Merge branch 'main' into rtp-mpeg4

constants.gradle

@@ -37,6 +37,7 @@ project.ext {
     androidxAnnotationExperimentalVersion = '1.2.0'
     androidxAppCompatVersion = '1.3.1'
     androidxCollectionVersion = '1.1.0'
+    androidxConstraintLayoutVersion = '2.0.4'
     androidxCoreVersion = '1.7.0'
     androidxFuturesVersion = '1.1.0'
     androidxMediaVersion = '1.4.3'

demos/cast/src/main/java/androidx/media3/demo/cast/MainActivity.java

@@ -36,7 +36,7 @@ import androidx.media3.common.MediaItem;
 import androidx.media3.common.util.Assertions;
 import androidx.media3.common.util.Util;
 import androidx.media3.exoplayer.ExoPlayer;
-import androidx.media3.ui.StyledPlayerView;
+import androidx.media3.ui.PlayerView;
 import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -52,7 +52,7 @@ import com.google.android.gms.dynamite.DynamiteModule;
 public class MainActivity extends AppCompatActivity
     implements OnClickListener, PlayerManager.Listener {
 
-  private StyledPlayerView playerView;
+  private PlayerView playerView;
   private PlayerManager playerManager;
   private RecyclerView mediaQueueList;
   private MediaQueueListAdapter mediaQueueListAdapter;

demos/cast/src/main/java/androidx/media3/demo/cast/PlayerManager.java

@@ -28,8 +28,8 @@ import androidx.media3.common.Player.TimelineChangeReason;
 import androidx.media3.common.Timeline;
 import androidx.media3.common.TracksInfo;
 import androidx.media3.exoplayer.ExoPlayer;
-import androidx.media3.ui.StyledPlayerControlView;
+import androidx.media3.ui.PlayerControlView;
-import androidx.media3.ui.StyledPlayerView;
+import androidx.media3.ui.PlayerView;
 import com.google.android.gms.cast.framework.CastContext;
 import java.util.ArrayList;
 
@@ -51,7 +51,7 @@ import java.util.ArrayList;
   }
 
   private final Context context;
-  private final StyledPlayerView playerView;
+  private final PlayerView playerView;
   private final Player localPlayer;
   private final CastPlayer castPlayer;
   private final ArrayList<MediaItem> mediaQueue;
@@ -66,11 +66,11 @@ import java.util.ArrayList;
    *
    * @param context A {@link Context}.
    * @param listener A {@link Listener} for queue position changes.
-   * @param playerView The {@link StyledPlayerView} for playback.
+   * @param playerView The {@link PlayerView} for playback.
    * @param castContext The {@link CastContext}.
    */
   public PlayerManager(
-      Context context, Listener listener, StyledPlayerView playerView, CastContext castContext) {
+      Context context, Listener listener, PlayerView playerView, CastContext castContext) {
     this.context = context;
     this.listener = listener;
     this.playerView = playerView;
@@ -223,10 +223,12 @@ import java.util.ArrayList;
     if (currentPlayer != localPlayer || tracksInfo == lastSeenTrackGroupInfo) {
       return;
     }
-    if (!tracksInfo.isTypeSupportedOrEmpty(C.TRACK_TYPE_VIDEO)) {
+    if (tracksInfo.containsType(C.TRACK_TYPE_VIDEO)
+        && !tracksInfo.isTypeSupported(C.TRACK_TYPE_VIDEO, /* allowExceedsCapabilities= */ true)) {
       listener.onUnsupportedTrack(C.TRACK_TYPE_VIDEO);
     }
-    if (!tracksInfo.isTypeSupportedOrEmpty(C.TRACK_TYPE_AUDIO)) {
+    if (tracksInfo.containsType(C.TRACK_TYPE_AUDIO)
+        && !tracksInfo.isTypeSupported(C.TRACK_TYPE_AUDIO, /* allowExceedsCapabilities= */ true)) {
       listener.onUnsupportedTrack(C.TRACK_TYPE_AUDIO);
     }
     lastSeenTrackGroupInfo = tracksInfo;
@@ -270,7 +272,7 @@ import java.util.ArrayList;
               R.drawable.ic_baseline_cast_connected_400,
               /* theme= */ null));
     } else { // currentPlayer == localPlayer
-      playerView.setControllerShowTimeoutMs(StyledPlayerControlView.DEFAULT_SHOW_TIMEOUT_MS);
+      playerView.setControllerShowTimeoutMs(PlayerControlView.DEFAULT_SHOW_TIMEOUT_MS);
       playerView.setDefaultArtwork(null);
     }
 

demos/cast/src/main/res/layout/main_activity.xml

@@ -20,7 +20,7 @@
     android:layout_height="match_parent"
     android:keepScreenOn="true">
 
-  <androidx.media3.ui.StyledPlayerView android:id="@+id/player_view"
+  <androidx.media3.ui.PlayerView android:id="@+id/player_view"
       android:layout_width="match_parent"
       android:layout_height="0dp"
       android:layout_weight="1"

demos/gl/src/main/assets/bitmap_overlay_video_processor_fragment.glsl

@@ -15,19 +15,19 @@
 #extension GL_OES_EGL_image_external : require
 precision mediump float;
 // External texture containing video decoder output.
-uniform samplerExternalOES tex_sampler_0;
+uniform samplerExternalOES uTexSampler0;
 // Texture containing the overlap bitmap.
-uniform sampler2D tex_sampler_1;
+uniform sampler2D uTexSampler1;
 // Horizontal scaling factor for the overlap bitmap.
-uniform float scaleX;
+uniform float uScaleX;
 // Vertical scaling factory for the overlap bitmap.
-uniform float scaleY;
+uniform float uScaleY;
-varying vec2 v_texcoord;
+varying vec2 vTexCoords;
 void main() {
-  vec4 videoColor = texture2D(tex_sampler_0, v_texcoord);
+  vec4 videoColor = texture2D(uTexSampler0, vTexCoords);
-  vec4 overlayColor = texture2D(tex_sampler_1,
+  vec4 overlayColor = texture2D(uTexSampler1,
-                                vec2(v_texcoord.x * scaleX,
+                                vec2(vTexCoords.x * uScaleX,
-                                     v_texcoord.y * scaleY));
+                                     vTexCoords.y * uScaleY));
   // Blend the video decoder output and the overlay bitmap.
   gl_FragColor = videoColor * (1.0 - overlayColor.a)
       + overlayColor * overlayColor.a;

demos/gl/src/main/assets/bitmap_overlay_video_processor_vertex.glsl

@@ -11,11 +11,11 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-attribute vec4 a_position;
+attribute vec4 aFramePosition;
-attribute vec4 a_texcoord;
+attribute vec4 aTexCoords;
-uniform mat4 tex_transform;
+uniform mat4 uTexTransform;
-varying vec2 v_texcoord;
+varying vec2 vTexCoords;
 void main() {
- gl_Position = a_position;
+ gl_Position = aFramePosition;
- v_texcoord = (tex_transform * a_texcoord).xy;
+ vTexCoords = (uTexTransform * aTexCoords).xy;
 }

demos/gl/src/main/java/androidx/media3/demo/gl/BitmapOverlayVideoProcessor.java

@@ -27,6 +27,7 @@ import android.graphics.drawable.BitmapDrawable;
 import android.opengl.GLES20;
 import android.opengl.GLUtils;
 import androidx.media3.common.C;
+import androidx.media3.common.util.GlProgram;
 import androidx.media3.common.util.GlUtil;
 import java.io.IOException;
 import java.util.Locale;
@@ -50,7 +51,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   private final Bitmap logoBitmap;
   private final Canvas overlayCanvas;
 
-  private GlUtil.@MonotonicNonNull Program program;
+  private @MonotonicNonNull GlProgram program;
 
   private float bitmapScaleX;
   private float bitmapScaleY;
@@ -78,7 +79,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   public void initialize() {
     try {
       program =
-          new GlUtil.Program(
+          new GlProgram(
               context,
               /* vertexShaderFilePath= */ "bitmap_overlay_video_processor_vertex.glsl",
               /* fragmentShaderFilePath= */ "bitmap_overlay_video_processor_fragment.glsl");
@@ -86,23 +87,9 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
       throw new IllegalStateException(e);
     }
     program.setBufferAttribute(
-        "a_position",
+        "aFramePosition", GlUtil.getNormalizedCoordinateBounds(), GlUtil.RECTANGLE_VERTICES_COUNT);
-        new float[] {
-          -1, -1, 0, 1,
-          1, -1, 0, 1,
-          -1, 1, 0, 1,
-          1, 1, 0, 1
-        },
-        4);
     program.setBufferAttribute(
-        "a_texcoord",
+        "aTexCoords", GlUtil.getTextureCoordinateBounds(), GlUtil.RECTANGLE_VERTICES_COUNT);
-        new float[] {
-          0, 0, 0, 1,
-          1, 0, 0, 1,
-          0, 1, 0, 1,
-          1, 1, 0, 1
-        },
-        4);
     GLES20.glGenTextures(1, textures, 0);
     GLES20.glBindTexture(GL10.GL_TEXTURE_2D, textures[0]);
     GLES20.glTexParameterf(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_NEAREST);
@@ -131,12 +118,12 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
     GlUtil.checkGlError();
 
     // Run the shader program.
-    GlUtil.Program program = checkNotNull(this.program);
+    GlProgram program = checkNotNull(this.program);
-    program.setSamplerTexIdUniform("tex_sampler_0", frameTexture, /* unit= */ 0);
+    program.setSamplerTexIdUniform("uTexSampler0", frameTexture, /* unit= */ 0);
-    program.setSamplerTexIdUniform("tex_sampler_1", textures[0], /* unit= */ 1);
+    program.setSamplerTexIdUniform("uTexSampler1", textures[0], /* unit= */ 1);
-    program.setFloatUniform("scaleX", bitmapScaleX);
+    program.setFloatUniform("uScaleX", bitmapScaleX);
-    program.setFloatUniform("scaleY", bitmapScaleY);
+    program.setFloatUniform("uScaleY", bitmapScaleY);
-    program.setFloatsUniform("tex_transform", transformMatrix);
+    program.setFloatsUniform("uTexTransform", transformMatrix);
     program.bindAttributesAndUniforms();
     GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
     GLES20.glDrawArrays(GLES20.GL_TRIANGLE_STRIP, /* first= */ 0, /* count= */ 4);

demos/gl/src/main/java/androidx/media3/demo/gl/MainActivity.java

@@ -42,7 +42,7 @@ import androidx.media3.exoplayer.drm.HttpMediaDrmCallback;
 import androidx.media3.exoplayer.source.MediaSource;
 import androidx.media3.exoplayer.source.ProgressiveMediaSource;
 import androidx.media3.exoplayer.util.EventLogger;
-import androidx.media3.ui.StyledPlayerView;
+import androidx.media3.ui.PlayerView;
 import java.util.UUID;
 
 /**
@@ -61,7 +61,7 @@ public final class MainActivity extends Activity {
   private static final String DRM_SCHEME_EXTRA = "drm_scheme";
   private static final String DRM_LICENSE_URL_EXTRA = "drm_license_url";
 
-  @Nullable private StyledPlayerView playerView;
+  @Nullable private PlayerView playerView;
   @Nullable private VideoProcessingGLSurfaceView videoProcessingGLSurfaceView;
 
   @Nullable private ExoPlayer player;
@@ -181,7 +181,7 @@ public final class MainActivity extends Activity {
         Assertions.checkNotNull(this.videoProcessingGLSurfaceView);
     videoProcessingGLSurfaceView.setPlayer(player);
     Assertions.checkNotNull(playerView).setPlayer(player);
-    player.addAnalyticsListener(new EventLogger(/* trackSelector= */ null));
+    player.addAnalyticsListener(new EventLogger());
     this.player = player;
   }
 

demos/gl/src/main/res/layout/main_activity.xml

@@ -20,7 +20,7 @@
   android:layout_height="match_parent"
   android:keepScreenOn="true">
 
-  <androidx.media3.ui.StyledPlayerView
+  <androidx.media3.ui.PlayerView
     android:id="@+id/player_view"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"

demos/main/src/main/AndroidManifest.xml

@@ -76,6 +76,7 @@
         <data android:scheme="content"/>
         <data android:scheme="asset"/>
         <data android:scheme="file"/>
+        <data android:scheme="ssai"/>
       </intent-filter>
       <intent-filter>
         <action android:name="androidx.media3.demo.main.action.VIEW_LIST"/>

demos/main/src/main/assets/media.exolist.json

@@ -35,31 +35,31 @@
         "name": "HD (cenc)",
         "uri": "https://storage.googleapis.com/wvmedia/cenc/h264/tears/tears.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       },
       {
         "name": "UHD (cenc)",
         "uri": "https://storage.googleapis.com/wvmedia/cenc/h264/tears/tears_uhd.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       },
       {
         "name": "HD (cbcs)",
         "uri": "https://storage.googleapis.com/wvmedia/cbcs/h264/tears/tears_aes_cbcs.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       },
       {
         "name": "UHD (cbcs)",
         "uri": "https://storage.googleapis.com/wvmedia/cbcs/h264/tears/tears_aes_cbcs_uhd.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       },
       {
         "name": "Secure -> Clear -> Secure (cenc)",
         "uri": "https://storage.googleapis.com/exoplayer-test-media-1/widevine/tears_enc_clear_enc.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test",
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test",
         "drm_session_for_clear_content": true
       }
     ]
@@ -71,25 +71,25 @@
         "name": "HD (cenc, full-sample)",
         "uri": "https://storage.googleapis.com/wvmedia/cenc/vp9/tears/tears.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       },
       {
         "name": "UHD (cenc, full-sample)",
         "uri": "https://storage.googleapis.com/wvmedia/cenc/vp9/tears/tears_uhd.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       },
       {
         "name": "HD (cenc, sub-sample)",
         "uri": "https://storage.googleapis.com/wvmedia/cenc/vp9/subsample/24fps/tears/tears.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       },
       {
         "name": "UHD (cenc, sub-sample)",
         "uri": "https://storage.googleapis.com/wvmedia/cenc/vp9/subsample/24fps/tears/tears_uhd.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       }
     ]
   },
@@ -100,13 +100,13 @@
         "name": "HD (cenc)",
         "uri": "https://storage.googleapis.com/wvmedia/cenc/hevc/tears/tears.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       },
       {
         "name": "UHD (cenc)",
         "uri": "https://storage.googleapis.com/wvmedia/cenc/hevc/tears/tears_uhd.mpd",
         "drm_scheme": "widevine",
-        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?provider=widevine_test"
+        "drm_license_uri": "https://proxy.uat.widevine.com/proxy?video_id=2015_tears&provider=widevine_test"
       }
     ]
   },
@@ -387,6 +387,98 @@
       }
     ]
   },
+  {
+    "name": "IMA DAI streams",
+    "samples": [
+      {
+        "name": "HLS VOD: Demo (skippable pre/post), single ads [30 s]",
+        "uri": "ssai://dai.google.com/?contentSourceId=2483977&videoId=ima-vod-skippable-test&format=2&adsId=1"
+      },
+      {
+        "name": "HLS VOD: Tears of Steel (pre/mid/mid/mid/post), single ads [10s]",
+        "uri": "ssai://dai.google.com/?contentSourceId=2528370&videoId=tears-of-steel&format=2&adsId=1"
+      },
+      {
+        "name": "HLS Live: Big Buck Bunny (mid), 3 ads each [10 s]",
+        "uri": "ssai://dai.google.com/?assetKey=sN_IYUG8STe1ZzhIIE_ksA&format=2&adsId=3"
+      },
+      {
+        "name": "DASH VOD: Tears of Steel (11 periods, pre/mid/post), 2/5/2 ads [5/10s]",
+        "uri": "ssai://dai.google.com/?contentSourceId=2559737&videoId=tos-dash&format=0&adsId=1"
+      },
+      {
+        "name": "Playlist: No ads - HLS VOD: Demo (skippable pre/post) - No ads",
+        "playlist": [
+          {
+            "uri": "https://html5demos.com/assets/dizzy.mp4"
+          },
+          {
+            "uri": "ssai://dai.google.com/?contentSourceId=2483977&videoId=ima-vod-skippable-test&format=2&adsId=1"
+          },
+          {
+            "uri": "https://html5demos.com/assets/dizzy.mp4"
+          }
+        ]
+      },
+      {
+        "name": "Playlist: No ads - HLS VOD: Tears of steel (pre/mid/mid/mid/post) - No ads",
+        "playlist": [
+          {
+            "uri": "https://html5demos.com/assets/dizzy.mp4"
+          },
+          {
+            "uri": "ssai://dai.google.com/?contentSourceId=2528370&videoId=tears-of-steel&format=2&adsId=1"
+          },
+          {
+            "uri": "https://html5demos.com/assets/dizzy.mp4"
+          }
+        ]
+      },
+      {
+        "name": "Playlist: No ads - HLS Live: Big Buck Bunny (mid) - No ads",
+        "playlist": [
+          {
+            "uri": "https://html5demos.com/assets/dizzy.mp4"
+          },
+          {
+            "uri": "ssai://dai.google.com/?assetKey=sN_IYUG8STe1ZzhIIE_ksA&format=2&adsId=3"
+          },
+          {
+            "uri": "https://html5demos.com/assets/dizzy.mp4"
+          }
+        ]
+      },
+      {
+        "name": "Playlist: No ads - DASH VOD: Tears of Steel (11 periods, pre/mid/post) - No ads",
+        "playlist": [
+          {
+            "uri": "https://html5demos.com/assets/dizzy.mp4"
+          },
+          {
+            "uri": "ssai://dai.google.com/?contentSourceId=2559737&videoId=tos-dash&format=0&adsId=1"
+          },
+          {
+            "uri": "https://html5demos.com/assets/dizzy.mp4"
+          }
+        ]
+      },
+      {
+        "name": "Playlist: Client-side Ads - DASH VOD: Tears of Steel (11 periods, pre/mid/post) - No ads",
+        "playlist": [
+          {
+            "uri": "https://storage.googleapis.com/exoplayer-test-media-1/mkv/android-screens-lavf-56.36.100-aac-avc-main-1280x720.mkv",
+            "ad_tag_uri": "https://pubads.g.doubleclick.net/gampad/ads?sz=640x480&iu=/124319096/external/ad_rule_samples&ciu_szs=300x250&ad_rule=1&impl=s&gdfp_req=1&env=vp&output=vmap&unviewed_position_start=1&cust_params=deployment%3Ddevsite%26sample_ar%3Dpremidpost&cmsid=496&vid=short_onecue&correlator="
+          },
+          {
+            "uri": "ssai://dai.google.com/?contentSourceId=2559737&videoId=tos-dash&format=0&adsId=1"
+          },
+          {
+            "uri": "https://html5demos.com/assets/dizzy.mp4"
+          }
+        ]
+      }
+    ]
+  },
   {
     "name": "Playlists",
     "samples": [

demos/main/src/main/java/androidx/media3/demo/main/DemoUtil.java

@@ -16,7 +16,6 @@
 package androidx.media3.demo.main;
 
 import android.content.Context;
-import androidx.media3.common.util.Log;
 import androidx.media3.database.DatabaseProvider;
 import androidx.media3.database.StandaloneDatabaseProvider;
 import androidx.media3.datasource.DataSource;
@@ -31,12 +30,9 @@ import androidx.media3.datasource.cronet.CronetDataSource;
 import androidx.media3.datasource.cronet.CronetUtil;
 import androidx.media3.exoplayer.DefaultRenderersFactory;
 import androidx.media3.exoplayer.RenderersFactory;
-import androidx.media3.exoplayer.offline.ActionFileUpgradeUtil;
-import androidx.media3.exoplayer.offline.DefaultDownloadIndex;
 import androidx.media3.exoplayer.offline.DownloadManager;
 import androidx.media3.exoplayer.offline.DownloadNotificationHelper;
 import java.io.File;
-import java.io.IOException;
 import java.net.CookieHandler;
 import java.net.CookieManager;
 import java.net.CookiePolicy;
@@ -60,8 +56,6 @@ public final class DemoUtil {
   private static final boolean USE_CRONET_FOR_NETWORKING = true;
 
   private static final String TAG = "DemoUtil";
-  private static final String DOWNLOAD_ACTION_FILE = "actions";
-  private static final String DOWNLOAD_TRACKER_ACTION_FILE = "tracked_actions";
   private static final String DOWNLOAD_CONTENT_DIRECTORY = "downloads";
 
   private static DataSource.@MonotonicNonNull Factory dataSourceFactory;
@@ -155,14 +149,6 @@ public final class DemoUtil {
 
   private static synchronized void ensureDownloadManagerInitialized(Context context) {
     if (downloadManager == null) {
-      DefaultDownloadIndex downloadIndex = new DefaultDownloadIndex(getDatabaseProvider(context));
-      upgradeActionFile(
-          context, DOWNLOAD_ACTION_FILE, downloadIndex, /* addNewDownloadsAsCompleted= */ false);
-      upgradeActionFile(
-          context,
-          DOWNLOAD_TRACKER_ACTION_FILE,
-          downloadIndex,
-          /* addNewDownloadsAsCompleted= */ true);
       downloadManager =
           new DownloadManager(
               context,
@@ -175,23 +161,6 @@ public final class DemoUtil {
     }
   }
 
-  private static synchronized void upgradeActionFile(
-      Context context,
-      String fileName,
-      DefaultDownloadIndex downloadIndex,
-      boolean addNewDownloadsAsCompleted) {
-    try {
-      ActionFileUpgradeUtil.upgradeAndDelete(
-          new File(getDownloadDirectory(context), fileName),
-          /* downloadIdProvider= */ null,
-          downloadIndex,
-          /* deleteOnFailure= */ true,
-          addNewDownloadsAsCompleted);
-    } catch (IOException e) {
-      Log.e(TAG, "Failed to upgrade action file: " + fileName, e);
-    }
-  }
-
   private static synchronized DatabaseProvider getDatabaseProvider(Context context) {
     if (databaseProvider == null) {
       databaseProvider = new StandaloneDatabaseProvider(context);

demos/main/src/main/java/androidx/media3/demo/main/PlayerActivity.java

@@ -15,8 +15,6 @@
  */
 package androidx.media3.demo.main;
 
-import static androidx.media3.common.util.Assertions.checkNotNull;
-
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
@@ -43,6 +41,7 @@ import androidx.media3.exoplayer.ExoPlayer;
 import androidx.media3.exoplayer.RenderersFactory;
 import androidx.media3.exoplayer.drm.FrameworkMediaDrm;
 import androidx.media3.exoplayer.ima.ImaAdsLoader;
+import androidx.media3.exoplayer.ima.ImaServerSideAdInsertionMediaSource;
 import androidx.media3.exoplayer.mediacodec.MediaCodecRenderer.DecoderInitializationException;
 import androidx.media3.exoplayer.mediacodec.MediaCodecUtil.DecoderQueryException;
 import androidx.media3.exoplayer.offline.DownloadRequest;
@@ -52,24 +51,26 @@ import androidx.media3.exoplayer.source.ads.AdsLoader;
 import androidx.media3.exoplayer.trackselection.DefaultTrackSelector;
 import androidx.media3.exoplayer.util.DebugTextViewHelper;
 import androidx.media3.exoplayer.util.EventLogger;
-import androidx.media3.ui.StyledPlayerControlView;
+import androidx.media3.ui.PlayerControlView;
-import androidx.media3.ui.StyledPlayerView;
+import androidx.media3.ui.PlayerView;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
 /** An activity that plays media using {@link ExoPlayer}. */
 public class PlayerActivity extends AppCompatActivity
-    implements OnClickListener, StyledPlayerControlView.VisibilityListener {
+    implements OnClickListener, PlayerControlView.VisibilityListener {
 
   // Saved instance state keys.
 
   private static final String KEY_TRACK_SELECTION_PARAMETERS = "track_selection_parameters";
+  private static final String KEY_SERVER_SIDE_ADS_LOADER_STATE = "server_side_ads_loader_state";
   private static final String KEY_ITEM_INDEX = "item_index";
   private static final String KEY_POSITION = "position";
   private static final String KEY_AUTO_PLAY = "auto_play";
 
-  protected StyledPlayerView playerView;
+  protected PlayerView playerView;
   protected LinearLayout debugRootView;
   protected TextView debugTextView;
   protected @Nullable ExoPlayer player;
@@ -88,7 +89,10 @@ public class PlayerActivity extends AppCompatActivity
 
   // For ad playback only.
 
-  private AdsLoader adsLoader;
+  @Nullable private AdsLoader clientSideAdsLoader;
+  @Nullable private ImaServerSideAdInsertionMediaSource.AdsLoader serverSideAdsLoader;
+  private ImaServerSideAdInsertionMediaSource.AdsLoader.@MonotonicNonNull State
+      serverSideAdsLoaderState;
 
   // Activity lifecycle.
 
@@ -116,6 +120,12 @@ public class PlayerActivity extends AppCompatActivity
       startAutoPlay = savedInstanceState.getBoolean(KEY_AUTO_PLAY);
       startItemIndex = savedInstanceState.getInt(KEY_ITEM_INDEX);
       startPosition = savedInstanceState.getLong(KEY_POSITION);
+      Bundle adsLoaderStateBundle = savedInstanceState.getBundle(KEY_SERVER_SIDE_ADS_LOADER_STATE);
+      if (adsLoaderStateBundle != null) {
+        serverSideAdsLoaderState =
+            ImaServerSideAdInsertionMediaSource.AdsLoader.State.CREATOR.fromBundle(
+                adsLoaderStateBundle);
+      }
     } else {
       trackSelectionParameters =
           new DefaultTrackSelector.ParametersBuilder(/* context= */ this).build();
@@ -127,7 +137,7 @@ public class PlayerActivity extends AppCompatActivity
   public void onNewIntent(Intent intent) {
     super.onNewIntent(intent);
     releasePlayer();
-    releaseAdsLoader();
+    releaseClientSideAdsLoader();
     clearStartPosition();
     setIntent(intent);
   }
@@ -179,7 +189,7 @@ public class PlayerActivity extends AppCompatActivity
   @Override
   public void onDestroy() {
     super.onDestroy();
-    releaseAdsLoader();
+    releaseClientSideAdsLoader();
   }
 
   @Override
@@ -208,6 +218,9 @@ public class PlayerActivity extends AppCompatActivity
     outState.putBoolean(KEY_AUTO_PLAY, startAutoPlay);
     outState.putInt(KEY_ITEM_INDEX, startItemIndex);
     outState.putLong(KEY_POSITION, startPosition);
+    if (serverSideAdsLoaderState != null) {
+      outState.putBundle(KEY_SERVER_SIDE_ADS_LOADER_STATE, serverSideAdsLoaderState.toBundle());
+    }
   }
 
   // Activity input
@@ -234,7 +247,7 @@ public class PlayerActivity extends AppCompatActivity
     }
   }
 
-  // StyledPlayerControlView.VisibilityListener implementation
+  // PlayerControlView.VisibilityListener implementation
 
   @Override
   public void onVisibilityChange(int visibility) {
@@ -247,7 +260,9 @@ public class PlayerActivity extends AppCompatActivity
     setContentView(R.layout.player_activity);
   }
 
-  /** @return Whether initialization was successful. */
+  /**
+   * @return Whether initialization was successful.
+   */
   protected boolean initializePlayer() {
     if (player == null) {
       Intent intent = getIntent();
@@ -261,25 +276,22 @@ public class PlayerActivity extends AppCompatActivity
           intent.getBooleanExtra(IntentUtil.PREFER_EXTENSION_DECODERS_EXTRA, false);
       RenderersFactory renderersFactory =
           DemoUtil.buildRenderersFactory(/* context= */ this, preferExtensionDecoders);
-      MediaSource.Factory mediaSourceFactory =
-          new DefaultMediaSourceFactory(dataSourceFactory)
-              .setAdsLoaderProvider(this::getAdsLoader)
-              .setAdViewProvider(playerView);
 
       trackSelector = new DefaultTrackSelector(/* context= */ this);
       lastSeenTracksInfo = TracksInfo.EMPTY;
       player =
           new ExoPlayer.Builder(/* context= */ this)
               .setRenderersFactory(renderersFactory)
-              .setMediaSourceFactory(mediaSourceFactory)
+              .setMediaSourceFactory(createMediaSourceFactory())
               .setTrackSelector(trackSelector)
               .build();
       player.setTrackSelectionParameters(trackSelectionParameters);
       player.addListener(new PlayerEventListener());
-      player.addAnalyticsListener(new EventLogger(trackSelector));
+      player.addAnalyticsListener(new EventLogger());
       player.setAudioAttributes(AudioAttributes.DEFAULT, /* handleAudioFocus= */ true);
       player.setPlayWhenReady(startAutoPlay);
       playerView.setPlayer(player);
+      serverSideAdsLoader.setPlayer(player);
       debugViewHelper = new DebugTextViewHelper(player, debugTextView);
       debugViewHelper.start();
     }
@@ -293,6 +305,22 @@ public class PlayerActivity extends AppCompatActivity
     return true;
   }
 
+  private MediaSource.Factory createMediaSourceFactory() {
+    ImaServerSideAdInsertionMediaSource.AdsLoader.Builder serverSideAdLoaderBuilder =
+        new ImaServerSideAdInsertionMediaSource.AdsLoader.Builder(/* context= */ this, playerView);
+    if (serverSideAdsLoaderState != null) {
+      serverSideAdLoaderBuilder.setAdsLoaderState(serverSideAdsLoaderState);
+    }
+    serverSideAdsLoader = serverSideAdLoaderBuilder.build();
+    ImaServerSideAdInsertionMediaSource.Factory imaServerSideAdInsertionMediaSourceFactory =
+        new ImaServerSideAdInsertionMediaSource.Factory(
+            serverSideAdsLoader, new DefaultMediaSourceFactory(dataSourceFactory));
+    return new DefaultMediaSourceFactory(dataSourceFactory)
+        .setAdsLoaderProvider(this::getClientSideAdsLoader)
+        .setAdViewProvider(playerView)
+        .setServerSideAdInsertionMediaSourceFactory(imaServerSideAdInsertionMediaSourceFactory);
+  }
+
   private List<MediaItem> createMediaItems(Intent intent) {
     String action = intent.getAction();
     boolean actionIsListView = IntentUtil.ACTION_VIEW_LIST.equals(action);
@@ -304,7 +332,6 @@ public class PlayerActivity extends AppCompatActivity
 
     List<MediaItem> mediaItems =
         createMediaItems(intent, DemoUtil.getDownloadTracker(/* context= */ this));
-    boolean hasAds = false;
     for (int i = 0; i < mediaItems.size(); i++) {
       MediaItem mediaItem = mediaItems.get(i);
 
@@ -318,8 +345,7 @@ public class PlayerActivity extends AppCompatActivity
         return Collections.emptyList();
       }
 
-      MediaItem.DrmConfiguration drmConfiguration =
+      MediaItem.DrmConfiguration drmConfiguration = mediaItem.localConfiguration.drmConfiguration;
-          checkNotNull(mediaItem.localConfiguration).drmConfiguration;
       if (drmConfiguration != null) {
         if (Util.SDK_INT < 18) {
           showToast(R.string.error_drm_unsupported_before_api_18);
@@ -331,43 +357,44 @@ public class PlayerActivity extends AppCompatActivity
           return Collections.emptyList();
         }
       }
-      hasAds |= mediaItem.localConfiguration.adsConfiguration != null;
-    }
-    if (!hasAds) {
-      releaseAdsLoader();
     }
     return mediaItems;
   }
 
-  private AdsLoader getAdsLoader(MediaItem.AdsConfiguration adsConfiguration) {
+  private AdsLoader getClientSideAdsLoader(MediaItem.AdsConfiguration adsConfiguration) {
     // The ads loader is reused for multiple playbacks, so that ad playback can resume.
-    if (adsLoader == null) {
+    if (clientSideAdsLoader == null) {
-      adsLoader = new ImaAdsLoader.Builder(/* context= */ this).build();
+      clientSideAdsLoader = new ImaAdsLoader.Builder(/* context= */ this).build();
     }
-    adsLoader.setPlayer(player);
+    clientSideAdsLoader.setPlayer(player);
-    return adsLoader;
+    return clientSideAdsLoader;
   }
 
   protected void releasePlayer() {
     if (player != null) {
       updateTrackSelectorParameters();
       updateStartPosition();
+      serverSideAdsLoaderState = serverSideAdsLoader.release();
+      serverSideAdsLoader = null;
       debugViewHelper.stop();
       debugViewHelper = null;
       player.release();
       player = null;
+      playerView.setPlayer(/* player= */ null);
       mediaItems = Collections.emptyList();
     }
-    if (adsLoader != null) {
+    if (clientSideAdsLoader != null) {
-      adsLoader.setPlayer(null);
+      clientSideAdsLoader.setPlayer(null);
+    } else {
+      playerView.getAdViewGroup().removeAllViews();
     }
   }
 
-  private void releaseAdsLoader() {
+  private void releaseClientSideAdsLoader() {
-    if (adsLoader != null) {
+    if (clientSideAdsLoader != null) {
-      adsLoader.release();
+      clientSideAdsLoader.release();
-      adsLoader = null;
+      clientSideAdsLoader = null;
-      playerView.getOverlayFrameLayout().removeAllViews();
+      playerView.getAdViewGroup().removeAllViews();
     }
   }
 
@@ -441,10 +468,14 @@ public class PlayerActivity extends AppCompatActivity
       if (tracksInfo == lastSeenTracksInfo) {
         return;
       }
-      if (!tracksInfo.isTypeSupportedOrEmpty(C.TRACK_TYPE_VIDEO)) {
+      if (tracksInfo.containsType(C.TRACK_TYPE_VIDEO)
+          && !tracksInfo.isTypeSupported(
+              C.TRACK_TYPE_VIDEO, /* allowExceedsCapabilities= */ true)) {
         showToast(R.string.error_unsupported_video);
       }
-      if (!tracksInfo.isTypeSupportedOrEmpty(C.TRACK_TYPE_AUDIO)) {
+      if (tracksInfo.containsType(C.TRACK_TYPE_AUDIO)
+          && !tracksInfo.isTypeSupported(
+              C.TRACK_TYPE_AUDIO, /* allowExceedsCapabilities= */ true)) {
         showToast(R.string.error_unsupported_audio);
       }
       lastSeenTracksInfo = tracksInfo;
@@ -488,7 +519,7 @@ public class PlayerActivity extends AppCompatActivity
     for (MediaItem item : IntentUtil.createMediaItemsFromIntent(intent)) {
       @Nullable
       DownloadRequest downloadRequest =
-          downloadTracker.getDownloadRequest(checkNotNull(item.localConfiguration).uri);
+          downloadTracker.getDownloadRequest(item.localConfiguration.uri);
       if (downloadRequest != null) {
         MediaItem.Builder builder = item.buildUpon();
         builder

demos/main/src/main/res/layout/player_activity.xml

@@ -21,7 +21,7 @@
     android:layout_height="match_parent"
     android:keepScreenOn="true">
 
-  <androidx.media3.ui.StyledPlayerView android:id="@+id/player_view"
+  <androidx.media3.ui.PlayerView android:id="@+id/player_view"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
       app:show_shuffle_button="true"

demos/session/build.gradle

@@ -61,9 +61,9 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:' + androidxAppCompatVersion
     implementation 'androidx.multidex:multidex:' + androidxMultidexVersion
     implementation 'com.google.android.material:material:' + androidxMaterialVersion
-    implementation project(modulePrefix + ':lib-exoplayer')
+    implementation project(modulePrefix + 'lib-exoplayer')
-    implementation project(modulePrefix + ':lib-exoplayer-dash')
+    implementation project(modulePrefix + 'lib-exoplayer-dash')
-    implementation project(modulePrefix + ':lib-exoplayer-hls')
+    implementation project(modulePrefix + 'lib-exoplayer-hls')
-    implementation project(modulePrefix + ':lib-ui')
+    implementation project(modulePrefix + 'lib-ui')
-    implementation project(modulePrefix + ':lib-session')
+    implementation project(modulePrefix + 'lib-session')
 }

demos/session/src/main/AndroidManifest.xml

@@ -21,10 +21,9 @@
   <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
   <application
-      android:allowBackup="true"
+      android:allowBackup="false"
       android:icon="@mipmap/ic_launcher"
       android:label="@string/app_name"
-      android:supportsRtl="true"
       android:theme="@style/Theme.Media3Demo">
 
     <activity
@@ -38,13 +37,11 @@
 
     <activity
         android:name=".PlayerActivity"
-      android:exported="true">
+        android:exported="true"/>
-    </activity>
 
     <activity
         android:name=".PlayableFolderActivity"
-      android:exported="true">
+        android:exported="true"/>
-    </activity>
 
     <service
         android:name=".PlaybackService"

demos/session/src/main/assets/catalog.json

@@ -2,7 +2,7 @@
   "media": [
     {
       "id": "video_01",
-      "title": "Future Scenerio",
+      "title": "Future Scenario",
       "album": "Mango Open Movie project",
       "artist": "Blender Foundation",
       "genre": "Video",

demos/session/src/main/java/androidx/media3/demo/session/PlayerActivity.kt

@@ -34,7 +34,7 @@ import androidx.media3.common.MediaMetadata
 import androidx.media3.common.Player
 import androidx.media3.session.MediaController
 import androidx.media3.session.SessionToken
-import androidx.media3.ui.StyledPlayerView
+import androidx.media3.ui.PlayerView
 import com.google.common.util.concurrent.ListenableFuture
 import com.google.common.util.concurrent.MoreExecutors
 
@@ -43,7 +43,7 @@ class PlayerActivity : AppCompatActivity() {
   private val controller: MediaController?
     get() = if (controllerFuture.isDone) controllerFuture.get() else null
 
-  private lateinit var playerView: StyledPlayerView
+  private lateinit var playerView: PlayerView
   private lateinit var mediaList: ListView
   private lateinit var mediaListAdapter: PlayingMediaItemArrayAdapter
   private val subItemMediaList: MutableList<MediaItem> = mutableListOf()

demos/session/src/main/res/layout/activity_player.xml

@@ -26,7 +26,7 @@
     android:layout_height="300dp"
     android:layout_width="match_parent"
     >
-    <androidx.media3.ui.StyledPlayerView
+    <androidx.media3.ui.PlayerView
       android:id="@+id/player_view"
       android:layout_width="match_parent"
       android:layout_height="match_parent"

demos/session/src/main/res/layout/playable_items.xml

@@ -34,7 +34,7 @@
     android:layout_width="50dp"
     android:layout_height="match_parent"
     android:id="@+id/add_button"
-    android:background="@android:drawable/ic_input_add"
+    android:background="@drawable/baseline_playlist_add_white_48"
     />
 
 </LinearLayout>

demos/session/src/main/res/layout/playlist_items.xml

@@ -35,7 +35,7 @@
     android:layout_width="50dp"
     android:layout_height="match_parent"
     android:id="@+id/delete_button"
-    android:background="@android:drawable/ic_menu_close_clear_cancel"
+    android:background="@drawable/baseline_playlist_remove_white_48"
     />
 
 </LinearLayout>

demos/surface/src/main/AndroidManifest.xml

@@ -27,7 +27,9 @@
       android:label="@string/application_name"
       android:exported="true">
 
-    <activity android:name=".MainActivity">
+    <activity
+        android:name=".MainActivity"
+        android:exported="true">
       <intent-filter>
         <action android:name="android.intent.action.MAIN"/>
         <category android:name="android.intent.category.LAUNCHER"/>

demos/transformer/README.md

@@ -0,0 +1,9 @@
+# Transformer demo
+
+This app demonstrates how to use the [Transformer][] API to modify videos, for
+example by removing audio or video.
+
+See the [demos README](../README.md) for instructions on how to build and run
+this demo.
+
+[Transformer]: https://exoplayer.dev/transforming-media.html

demos/transformer/build.gradle

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+apply from: '../../constants.gradle'
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion project.ext.compileSdkVersion
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    defaultConfig {
+        versionName project.ext.releaseVersion
+        versionCode project.ext.releaseVersionCode
+        minSdkVersion 21
+        targetSdkVersion project.ext.appTargetSdkVersion
+        multiDexEnabled true
+    }
+
+    buildTypes {
+        release {
+            shrinkResources true
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt')
+            signingConfig signingConfigs.debug
+        }
+    }
+
+    lintOptions {
+        // This demo app isn't indexed and doesn't have translations.
+        disable 'GoogleAppIndexingWarning','MissingTranslation'
+    }
+}
+
+dependencies {
+    implementation 'androidx.core:core:' + androidxCoreVersion
+    compileOnly 'org.checkerframework:checker-qual:' + checkerframeworkVersion
+    implementation 'androidx.annotation:annotation:' + androidxAnnotationVersion
+    implementation 'androidx.appcompat:appcompat:' + androidxAppCompatVersion
+    implementation 'androidx.constraintlayout:constraintlayout:' + androidxConstraintLayoutVersion
+    implementation 'androidx.multidex:multidex:' + androidxMultidexVersion
+    implementation 'com.google.android.material:material:' + androidxMaterialVersion
+    implementation project(modulePrefix + 'lib-exoplayer')
+    implementation project(modulePrefix + 'lib-transformer')
+    implementation project(modulePrefix + 'lib-ui')
+}

demos/transformer/src/main/AndroidManifest.xml

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2021 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="androidx.media3.demo.transformer">
+  <uses-sdk />
+
+  <uses-permission android:name="android.permission.INTERNET"/>
+  <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+
+  <application
+      android:allowBackup="false"
+      android:icon="@mipmap/ic_launcher"
+      android:label="@string/app_name"
+      android:theme="@style/Theme.AppCompat"
+      android:taskAffinity=""
+      tools:targetApi="29">
+    <activity android:name=".ConfigurationActivity"
+        android:configChanges="keyboard|keyboardHidden|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
+        android:launchMode="singleTop"
+        android:label="@string/app_name"
+        android:exported="true"
+        android:theme="@style/Theme.MaterialComponents.DayNight.NoActionBar">
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN"/>
+        <category android:name="android.intent.category.LAUNCHER"/>
+      </intent-filter>
+      <intent-filter>
+        <action android:name="androidx.media3.demo.transformer.action.VIEW"/>
+        <category android:name="android.intent.category.DEFAULT"/>
+        <data android:scheme="http"/>
+        <data android:scheme="https"/>
+        <data android:scheme="content"/>
+        <data android:scheme="asset"/>
+        <data android:scheme="file"/>
+      </intent-filter>
+    </activity>
+    <activity android:name=".TransformerActivity"
+        android:configChanges="keyboard|keyboardHidden|orientation|screenSize|screenLayout|smallestScreenSize|uiMode"
+        android:launchMode="singleTop"
+        android:label="@string/app_name"
+        android:exported="true"
+        android:theme="@style/Theme.MaterialComponents.DayNight.NoActionBar"/>
+  </application>
+</manifest>

demos/transformer/src/main/java/androidx/media3/demo/transformer/ConfigurationActivity.java

@@ -0,0 +1,320 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package androidx.media3.demo.transformer;
+
+import static androidx.media3.common.util.Assertions.checkNotNull;
+import static androidx.media3.common.util.Assertions.checkState;
+
+import android.app.Activity;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.Spinner;
+import android.widget.TextView;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.media3.common.MimeTypes;
+import androidx.media3.common.util.Util;
+import java.util.Arrays;
+import java.util.List;
+import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
+import org.checkerframework.checker.nullness.qual.RequiresNonNull;
+
+/**
+ * An {@link Activity} that sets the configuration to use for transforming and playing media, using
+ * {@link TransformerActivity}.
+ */
+public final class ConfigurationActivity extends AppCompatActivity {
+  public static final String SHOULD_REMOVE_AUDIO = "should_remove_audio";
+  public static final String SHOULD_REMOVE_VIDEO = "should_remove_video";
+  public static final String SHOULD_FLATTEN_FOR_SLOW_MOTION = "should_flatten_for_slow_motion";
+  public static final String AUDIO_MIME_TYPE = "audio_mime_type";
+  public static final String VIDEO_MIME_TYPE = "video_mime_type";
+  public static final String RESOLUTION_HEIGHT = "resolution_height";
+  public static final String TRANSLATE_X = "translate_x";
+  public static final String TRANSLATE_Y = "translate_y";
+  public static final String SCALE_X = "scale_x";
+  public static final String SCALE_Y = "scale_y";
+  public static final String ROTATE_DEGREES = "rotate_degrees";
+  public static final String ENABLE_FALLBACK = "enable_fallback";
+  public static final String ENABLE_HDR_EDITING = "enable_hdr_editing";
+  private static final String[] INPUT_URIS = {
+    "https://html5demos.com/assets/dizzy.mp4",
+    "https://storage.googleapis.com/exoplayer-test-media-0/android-block-1080-hevc.mp4",
+    "https://storage.googleapis.com/exoplayer-test-media-0/BigBuckBunny_320x180.mp4",
+    "https://html5demos.com/assets/dizzy.webm",
+    "https://storage.googleapis.com/exoplayer-test-media-1/mp4/portrait_4k60.mp4",
+  };
+  private static final String[] URI_DESCRIPTIONS = { // same order as INPUT_URIS
+    "MP4 with H264 video and AAC audio",
+    "MP4 with H265 video and AAC audio",
+    "Long MP4 with H264 video and AAC audio",
+    "WebM with VP8 video and Vorbis audio",
+    "4K 60fps MP4 with H264 video and AAC audio (portrait, timestamps always increase)",
+  };
+  private static final String SAME_AS_INPUT_OPTION = "same as input";
+
+  private @MonotonicNonNull Button chooseFileButton;
+  private @MonotonicNonNull TextView chosenFileTextView;
+  private @MonotonicNonNull CheckBox removeAudioCheckbox;
+  private @MonotonicNonNull CheckBox removeVideoCheckbox;
+  private @MonotonicNonNull CheckBox flattenForSlowMotionCheckbox;
+  private @MonotonicNonNull Spinner audioMimeSpinner;
+  private @MonotonicNonNull Spinner videoMimeSpinner;
+  private @MonotonicNonNull Spinner resolutionHeightSpinner;
+  private @MonotonicNonNull Spinner translateSpinner;
+  private @MonotonicNonNull Spinner scaleSpinner;
+  private @MonotonicNonNull Spinner rotateSpinner;
+  private @MonotonicNonNull CheckBox enableFallbackCheckBox;
+  private @MonotonicNonNull CheckBox enableHdrEditingCheckBox;
+  private int inputUriPosition;
+
+  @Override
+  protected void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.configuration_activity);
+
+    findViewById(R.id.transform_button).setOnClickListener(this::startTransformation);
+
+    chooseFileButton = findViewById(R.id.choose_file_button);
+    chooseFileButton.setOnClickListener(this::chooseFile);
+
+    chosenFileTextView = findViewById(R.id.chosen_file_text_view);
+    chosenFileTextView.setText(URI_DESCRIPTIONS[inputUriPosition]);
+
+    removeAudioCheckbox = findViewById(R.id.remove_audio_checkbox);
+    removeAudioCheckbox.setOnClickListener(this::onRemoveAudio);
+
+    removeVideoCheckbox = findViewById(R.id.remove_video_checkbox);
+    removeVideoCheckbox.setOnClickListener(this::onRemoveVideo);
+
+    flattenForSlowMotionCheckbox = findViewById(R.id.flatten_for_slow_motion_checkbox);
+
+    ArrayAdapter<String> audioMimeAdapter =
+        new ArrayAdapter<>(/* context= */ this, R.layout.spinner_item);
+    audioMimeAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+    audioMimeSpinner = findViewById(R.id.audio_mime_spinner);
+    audioMimeSpinner.setAdapter(audioMimeAdapter);
+    audioMimeAdapter.addAll(
+        SAME_AS_INPUT_OPTION, MimeTypes.AUDIO_AAC, MimeTypes.AUDIO_AMR_NB, MimeTypes.AUDIO_AMR_WB);
+
+    ArrayAdapter<String> videoMimeAdapter =
+        new ArrayAdapter<>(/* context= */ this, R.layout.spinner_item);
+    videoMimeAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+    videoMimeSpinner = findViewById(R.id.video_mime_spinner);
+    videoMimeSpinner.setAdapter(videoMimeAdapter);
+    videoMimeAdapter.addAll(
+        SAME_AS_INPUT_OPTION, MimeTypes.VIDEO_H263, MimeTypes.VIDEO_H264, MimeTypes.VIDEO_MP4V);
+    if (Util.SDK_INT >= 24) {
+      videoMimeAdapter.add(MimeTypes.VIDEO_H265);
+    }
+
+    ArrayAdapter<String> resolutionHeightAdapter =
+        new ArrayAdapter<>(/* context= */ this, R.layout.spinner_item);
+    resolutionHeightAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+    resolutionHeightSpinner = findViewById(R.id.resolution_height_spinner);
+    resolutionHeightSpinner.setAdapter(resolutionHeightAdapter);
+    resolutionHeightAdapter.addAll(
+        SAME_AS_INPUT_OPTION, "144", "240", "360", "480", "720", "1080", "1440", "2160");
+
+    ArrayAdapter<String> translateAdapter =
+        new ArrayAdapter<>(/* context= */ this, R.layout.spinner_item);
+    translateAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+    translateSpinner = findViewById(R.id.translate_spinner);
+    translateSpinner.setAdapter(translateAdapter);
+    translateAdapter.addAll(
+        SAME_AS_INPUT_OPTION, "-.1, -.1", "0, 0", ".5, 0", "0, .5", "1, 1", "1.9, 0", "0, 1.9");
+
+    ArrayAdapter<String> scaleAdapter =
+        new ArrayAdapter<>(/* context= */ this, R.layout.spinner_item);
+    scaleAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+    scaleSpinner = findViewById(R.id.scale_spinner);
+    scaleSpinner.setAdapter(scaleAdapter);
+    scaleAdapter.addAll(SAME_AS_INPUT_OPTION, "-1, -1", "-1, 1", "1, 1", ".5, 1", ".5, .5", "2, 2");
+
+    ArrayAdapter<String> rotateAdapter =
+        new ArrayAdapter<>(/* context= */ this, R.layout.spinner_item);
+    rotateAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
+    rotateSpinner = findViewById(R.id.rotate_spinner);
+    rotateSpinner.setAdapter(rotateAdapter);
+    rotateAdapter.addAll(SAME_AS_INPUT_OPTION, "0", "10", "45", "60", "90", "180");
+
+    enableFallbackCheckBox = findViewById(R.id.enable_fallback_checkbox);
+    enableHdrEditingCheckBox = findViewById(R.id.hdr_editing_checkbox);
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    @Nullable Uri intentUri = getIntent().getData();
+    if (intentUri != null) {
+      checkNotNull(chooseFileButton).setEnabled(false);
+      checkNotNull(chosenFileTextView).setText(intentUri.toString());
+    }
+  }
+
+  @Override
+  protected void onNewIntent(Intent intent) {
+    super.onNewIntent(intent);
+    setIntent(intent);
+  }
+
+  @RequiresNonNull({
+    "removeAudioCheckbox",
+    "removeVideoCheckbox",
+    "flattenForSlowMotionCheckbox",
+    "audioMimeSpinner",
+    "videoMimeSpinner",
+    "resolutionHeightSpinner",
+    "translateSpinner",
+    "scaleSpinner",
+    "rotateSpinner",
+    "enableFallbackCheckBox",
+    "enableHdrEditingCheckBox"
+  })
+  private void startTransformation(View view) {
+    Intent transformerIntent = new Intent(this, TransformerActivity.class);
+    Bundle bundle = new Bundle();
+    bundle.putBoolean(SHOULD_REMOVE_AUDIO, removeAudioCheckbox.isChecked());
+    bundle.putBoolean(SHOULD_REMOVE_VIDEO, removeVideoCheckbox.isChecked());
+    bundle.putBoolean(SHOULD_FLATTEN_FOR_SLOW_MOTION, flattenForSlowMotionCheckbox.isChecked());
+    String selectedAudioMimeType = String.valueOf(audioMimeSpinner.getSelectedItem());
+    if (!SAME_AS_INPUT_OPTION.equals(selectedAudioMimeType)) {
+      bundle.putString(AUDIO_MIME_TYPE, selectedAudioMimeType);
+    }
+    String selectedVideoMimeType = String.valueOf(videoMimeSpinner.getSelectedItem());
+    if (!SAME_AS_INPUT_OPTION.equals(selectedVideoMimeType)) {
+      bundle.putString(VIDEO_MIME_TYPE, selectedVideoMimeType);
+    }
+    String selectedResolutionHeight = String.valueOf(resolutionHeightSpinner.getSelectedItem());
+    if (!SAME_AS_INPUT_OPTION.equals(selectedResolutionHeight)) {
+      bundle.putInt(RESOLUTION_HEIGHT, Integer.parseInt(selectedResolutionHeight));
+    }
+    String selectedTranslate = String.valueOf(translateSpinner.getSelectedItem());
+    if (!SAME_AS_INPUT_OPTION.equals(selectedTranslate)) {
+      List<String> translateXY = Arrays.asList(selectedTranslate.split(", "));
+      checkState(translateXY.size() == 2);
+      bundle.putFloat(TRANSLATE_X, Float.parseFloat(translateXY.get(0)));
+      bundle.putFloat(TRANSLATE_Y, Float.parseFloat(translateXY.get(1)));
+    }
+    String selectedScale = String.valueOf(scaleSpinner.getSelectedItem());
+    if (!SAME_AS_INPUT_OPTION.equals(selectedScale)) {
+      List<String> scaleXY = Arrays.asList(selectedScale.split(", "));
+      checkState(scaleXY.size() == 2);
+      bundle.putFloat(SCALE_X, Float.parseFloat(scaleXY.get(0)));
+      bundle.putFloat(SCALE_Y, Float.parseFloat(scaleXY.get(1)));
+    }
+    String selectedRotate = String.valueOf(rotateSpinner.getSelectedItem());
+    if (!SAME_AS_INPUT_OPTION.equals(selectedRotate)) {
+      bundle.putFloat(ROTATE_DEGREES, Float.parseFloat(selectedRotate));
+    }
+    bundle.putBoolean(ENABLE_FALLBACK, enableFallbackCheckBox.isChecked());
+    bundle.putBoolean(ENABLE_HDR_EDITING, enableHdrEditingCheckBox.isChecked());
+    transformerIntent.putExtras(bundle);
+
+    @Nullable Uri intentUri = getIntent().getData();
+    transformerIntent.setData(
+        intentUri != null ? intentUri : Uri.parse(INPUT_URIS[inputUriPosition]));
+
+    startActivity(transformerIntent);
+  }
+
+  private void chooseFile(View view) {
+    new AlertDialog.Builder(/* context= */ this)
+        .setTitle(R.string.choose_file_title)
+        .setSingleChoiceItems(URI_DESCRIPTIONS, inputUriPosition, this::selectFileInDialog)
+        .setPositiveButton(android.R.string.ok, /* listener= */ null)
+        .create()
+        .show();
+  }
+
+  @RequiresNonNull("chosenFileTextView")
+  private void selectFileInDialog(DialogInterface dialog, int which) {
+    inputUriPosition = which;
+    chosenFileTextView.setText(URI_DESCRIPTIONS[inputUriPosition]);
+  }
+
+  @RequiresNonNull({
+    "removeVideoCheckbox",
+    "audioMimeSpinner",
+    "videoMimeSpinner",
+    "resolutionHeightSpinner",
+    "translateSpinner",
+    "scaleSpinner",
+    "rotateSpinner",
+    "enableHdrEditingCheckBox"
+  })
+  private void onRemoveAudio(View view) {
+    if (((CheckBox) view).isChecked()) {
+      removeVideoCheckbox.setChecked(false);
+      enableTrackSpecificOptions(/* isAudioEnabled= */ false, /* isVideoEnabled= */ true);
+    } else {
+      enableTrackSpecificOptions(/* isAudioEnabled= */ true, /* isVideoEnabled= */ true);
+    }
+  }
+
+  @RequiresNonNull({
+    "removeAudioCheckbox",
+    "audioMimeSpinner",
+    "videoMimeSpinner",
+    "resolutionHeightSpinner",
+    "translateSpinner",
+    "scaleSpinner",
+    "rotateSpinner",
+    "enableHdrEditingCheckBox"
+  })
+  private void onRemoveVideo(View view) {
+    if (((CheckBox) view).isChecked()) {
+      removeAudioCheckbox.setChecked(false);
+      enableTrackSpecificOptions(/* isAudioEnabled= */ true, /* isVideoEnabled= */ false);
+    } else {
+      enableTrackSpecificOptions(/* isAudioEnabled= */ true, /* isVideoEnabled= */ true);
+    }
+  }
+
+  @RequiresNonNull({
+    "audioMimeSpinner",
+    "videoMimeSpinner",
+    "resolutionHeightSpinner",
+    "translateSpinner",
+    "scaleSpinner",
+    "rotateSpinner",
+    "enableHdrEditingCheckBox"
+  })
+  private void enableTrackSpecificOptions(boolean isAudioEnabled, boolean isVideoEnabled) {
+    audioMimeSpinner.setEnabled(isAudioEnabled);
+    videoMimeSpinner.setEnabled(isVideoEnabled);
+    resolutionHeightSpinner.setEnabled(isVideoEnabled);
+    translateSpinner.setEnabled(isVideoEnabled);
+    scaleSpinner.setEnabled(isVideoEnabled);
+    rotateSpinner.setEnabled(isVideoEnabled);
+    enableHdrEditingCheckBox.setEnabled(isVideoEnabled);
+
+    findViewById(R.id.audio_mime_text_view).setEnabled(isAudioEnabled);
+    findViewById(R.id.video_mime_text_view).setEnabled(isVideoEnabled);
+    findViewById(R.id.resolution_height_text_view).setEnabled(isVideoEnabled);
+    findViewById(R.id.translate).setEnabled(isVideoEnabled);
+    findViewById(R.id.scale).setEnabled(isVideoEnabled);
+    findViewById(R.id.rotate).setEnabled(isVideoEnabled);
+    findViewById(R.id.hdr_editing).setEnabled(isVideoEnabled);
+  }
+}

demos/transformer/src/main/java/androidx/media3/demo/transformer/TransformerActivity.java

@@ -0,0 +1,391 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package androidx.media3.demo.transformer;
+
+import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
+import static androidx.media3.common.util.Assertions.checkNotNull;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.graphics.Matrix;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.media3.common.C;
+import androidx.media3.common.MediaItem;
+import androidx.media3.common.util.Log;
+import androidx.media3.common.util.Util;
+import androidx.media3.exoplayer.ExoPlayer;
+import androidx.media3.exoplayer.util.DebugTextViewHelper;
+import androidx.media3.transformer.DefaultEncoderFactory;
+import androidx.media3.transformer.EncoderSelector;
+import androidx.media3.transformer.ProgressHolder;
+import androidx.media3.transformer.TransformationException;
+import androidx.media3.transformer.TransformationRequest;
+import androidx.media3.transformer.TransformationResult;
+import androidx.media3.transformer.Transformer;
+import androidx.media3.ui.AspectRatioFrameLayout;
+import androidx.media3.ui.PlayerView;
+import com.google.android.material.progressindicator.LinearProgressIndicator;
+import com.google.common.base.Stopwatch;
+import com.google.common.base.Ticker;
+import java.io.File;
+import java.io.IOException;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
+import org.checkerframework.checker.nullness.qual.RequiresNonNull;
+
+/** An {@link Activity} that transforms and plays media using {@link Transformer}. */
+public final class TransformerActivity extends AppCompatActivity {
+  private static final String TAG = "TransformerActivity";
+
+  private @MonotonicNonNull PlayerView playerView;
+  private @MonotonicNonNull TextView debugTextView;
+  private @MonotonicNonNull TextView informationTextView;
+  private @MonotonicNonNull ViewGroup progressViewGroup;
+  private @MonotonicNonNull LinearProgressIndicator progressIndicator;
+  private @MonotonicNonNull Stopwatch transformationStopwatch;
+  private @MonotonicNonNull AspectRatioFrameLayout debugFrame;
+
+  @Nullable private DebugTextViewHelper debugTextViewHelper;
+  @Nullable private ExoPlayer player;
+  @Nullable private Transformer transformer;
+  @Nullable private File externalCacheFile;
+
+  @Override
+  protected void onCreate(@Nullable Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.transformer_activity);
+
+    playerView = findViewById(R.id.player_view);
+    debugTextView = findViewById(R.id.debug_text_view);
+    informationTextView = findViewById(R.id.information_text_view);
+    progressViewGroup = findViewById(R.id.progress_view_group);
+    progressIndicator = findViewById(R.id.progress_indicator);
+    debugFrame = findViewById(R.id.debug_aspect_ratio_frame_layout);
+
+    transformationStopwatch =
+        Stopwatch.createUnstarted(
+            new Ticker() {
+              public long read() {
+                return android.os.SystemClock.elapsedRealtimeNanos();
+              }
+            });
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+
+    checkNotNull(progressIndicator);
+    checkNotNull(informationTextView);
+    checkNotNull(transformationStopwatch);
+    checkNotNull(playerView);
+    checkNotNull(debugTextView);
+    checkNotNull(progressViewGroup);
+    checkNotNull(debugFrame);
+    startTransformation();
+
+    playerView.onResume();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+
+    checkNotNull(transformer).cancel();
+    transformer = null;
+
+    // The stop watch is reset after cancelling the transformation, in case cancelling causes the
+    // stop watch to be stopped in a transformer callback.
+    checkNotNull(transformationStopwatch).reset();
+
+    checkNotNull(playerView).onPause();
+    releasePlayer();
+
+    checkNotNull(externalCacheFile).delete();
+    externalCacheFile = null;
+  }
+
+  @RequiresNonNull({
+    "playerView",
+    "debugTextView",
+    "informationTextView",
+    "progressIndicator",
+    "transformationStopwatch",
+    "progressViewGroup",
+    "debugFrame",
+  })
+  private void startTransformation() {
+    requestTransformerPermission();
+
+    Intent intent = getIntent();
+    Uri uri = checkNotNull(intent.getData());
+    try {
+      externalCacheFile = createExternalCacheFile("transformer-output.mp4");
+      String filePath = externalCacheFile.getAbsolutePath();
+      @Nullable Bundle bundle = intent.getExtras();
+      Transformer transformer = createTransformer(bundle, filePath);
+      transformationStopwatch.start();
+      transformer.startTransformation(MediaItem.fromUri(uri), filePath);
+      this.transformer = transformer;
+    } catch (IOException e) {
+      throw new IllegalStateException(e);
+    }
+    informationTextView.setText(R.string.transformation_started);
+    playerView.setVisibility(View.GONE);
+    Handler mainHandler = new Handler(getMainLooper());
+    ProgressHolder progressHolder = new ProgressHolder();
+    mainHandler.post(
+        new Runnable() {
+          @Override
+          public void run() {
+            if (transformer != null
+                && transformer.getProgress(progressHolder)
+                    != Transformer.PROGRESS_STATE_NO_TRANSFORMATION) {
+              progressIndicator.setProgress(progressHolder.progress);
+              informationTextView.setText(
+                  getString(
+                      R.string.transformation_timer,
+                      transformationStopwatch.elapsed(TimeUnit.SECONDS)));
+              mainHandler.postDelayed(/* r= */ this, /* delayMillis= */ 500);
+            }
+          }
+        });
+  }
+
+  // Create a cache file, resetting it if it already exists.
+  private File createExternalCacheFile(String fileName) throws IOException {
+    File file = new File(getExternalCacheDir(), fileName);
+    if (file.exists() && !file.delete()) {
+      throw new IllegalStateException("Could not delete the previous transformer output file");
+    }
+    if (!file.createNewFile()) {
+      throw new IllegalStateException("Could not create the transformer output file");
+    }
+    return file;
+  }
+
+  @RequiresNonNull({
+    "playerView",
+    "debugTextView",
+    "informationTextView",
+    "transformationStopwatch",
+    "progressViewGroup",
+    "debugFrame",
+  })
+  private Transformer createTransformer(@Nullable Bundle bundle, String filePath) {
+    Transformer.Builder transformerBuilder = new Transformer.Builder(/* context= */ this);
+    if (bundle != null) {
+      TransformationRequest.Builder requestBuilder = new TransformationRequest.Builder();
+      requestBuilder.setFlattenForSlowMotion(
+          bundle.getBoolean(ConfigurationActivity.SHOULD_FLATTEN_FOR_SLOW_MOTION));
+      @Nullable String audioMimeType = bundle.getString(ConfigurationActivity.AUDIO_MIME_TYPE);
+      if (audioMimeType != null) {
+        requestBuilder.setAudioMimeType(audioMimeType);
+      }
+      @Nullable String videoMimeType = bundle.getString(ConfigurationActivity.VIDEO_MIME_TYPE);
+      if (videoMimeType != null) {
+        requestBuilder.setVideoMimeType(videoMimeType);
+      }
+      int resolutionHeight =
+          bundle.getInt(
+              ConfigurationActivity.RESOLUTION_HEIGHT, /* defaultValue= */ C.LENGTH_UNSET);
+      if (resolutionHeight != C.LENGTH_UNSET) {
+        requestBuilder.setResolution(resolutionHeight);
+      }
+      Matrix transformationMatrix = getTransformationMatrix(bundle);
+      if (!transformationMatrix.isIdentity()) {
+        requestBuilder.setTransformationMatrix(transformationMatrix);
+      }
+      requestBuilder.experimental_setEnableHdrEditing(
+          bundle.getBoolean(ConfigurationActivity.ENABLE_HDR_EDITING));
+      transformerBuilder
+          .setTransformationRequest(requestBuilder.build())
+          .setRemoveAudio(bundle.getBoolean(ConfigurationActivity.SHOULD_REMOVE_AUDIO))
+          .setRemoveVideo(bundle.getBoolean(ConfigurationActivity.SHOULD_REMOVE_VIDEO))
+          .setEncoderFactory(
+              new DefaultEncoderFactory(
+                  EncoderSelector.DEFAULT,
+                  /* enableFallback= */ bundle.getBoolean(ConfigurationActivity.ENABLE_FALLBACK)));
+    }
+    return transformerBuilder
+        .addListener(
+            new Transformer.Listener() {
+              @Override
+              public void onTransformationCompleted(
+                  MediaItem mediaItem, TransformationResult transformationResult) {
+                TransformerActivity.this.onTransformationCompleted(filePath);
+              }
+
+              @Override
+              public void onTransformationError(
+                  MediaItem mediaItem, TransformationException exception) {
+                TransformerActivity.this.onTransformationError(exception);
+              }
+            })
+        .setDebugViewProvider(new DemoDebugViewProvider())
+        .build();
+  }
+
+  private static Matrix getTransformationMatrix(Bundle bundle) {
+    Matrix transformationMatrix = new Matrix();
+
+    float translateX = bundle.getFloat(ConfigurationActivity.TRANSLATE_X, /* defaultValue= */ 0);
+    float translateY = bundle.getFloat(ConfigurationActivity.TRANSLATE_Y, /* defaultValue= */ 0);
+    // TODO(b/201293185): Implement an AdvancedFrameEditor to handle translation, as the current
+    // transformationMatrix is automatically adjusted to focus on the original pixels and
+    // effectively undo translations.
+    transformationMatrix.postTranslate(translateX, translateY);
+
+    float scaleX = bundle.getFloat(ConfigurationActivity.SCALE_X, /* defaultValue= */ 1);
+    float scaleY = bundle.getFloat(ConfigurationActivity.SCALE_Y, /* defaultValue= */ 1);
+    transformationMatrix.postScale(scaleX, scaleY);
+
+    float rotateDegrees =
+        bundle.getFloat(ConfigurationActivity.ROTATE_DEGREES, /* defaultValue= */ 0);
+    transformationMatrix.postRotate(rotateDegrees);
+
+    return transformationMatrix;
+  }
+
+  @RequiresNonNull({
+    "informationTextView",
+    "progressViewGroup",
+    "debugFrame",
+    "transformationStopwatch",
+  })
+  private void onTransformationError(TransformationException exception) {
+    transformationStopwatch.stop();
+    informationTextView.setText(R.string.transformation_error);
+    progressViewGroup.setVisibility(View.GONE);
+    debugFrame.removeAllViews();
+    Toast.makeText(
+            TransformerActivity.this, "Transformation error: " + exception, Toast.LENGTH_LONG)
+        .show();
+    Log.e(TAG, "Transformation error", exception);
+  }
+
+  @RequiresNonNull({
+    "playerView",
+    "debugTextView",
+    "informationTextView",
+    "progressViewGroup",
+    "debugFrame",
+    "transformationStopwatch",
+  })
+  private void onTransformationCompleted(String filePath) {
+    transformationStopwatch.stop();
+    informationTextView.setText(
+        getString(
+            R.string.transformation_completed, transformationStopwatch.elapsed(TimeUnit.SECONDS)));
+    progressViewGroup.setVisibility(View.GONE);
+    debugFrame.removeAllViews();
+    playerView.setVisibility(View.VISIBLE);
+    playMediaItem(MediaItem.fromUri("file://" + filePath));
+    Log.d(TAG, "Output file path: file://" + filePath);
+  }
+
+  @RequiresNonNull({"playerView", "debugTextView"})
+  private void playMediaItem(MediaItem mediaItem) {
+    playerView.setPlayer(null);
+    releasePlayer();
+
+    ExoPlayer player = new ExoPlayer.Builder(/* context= */ this).build();
+    playerView.setPlayer(player);
+    player.setMediaItem(mediaItem);
+    player.play();
+    player.prepare();
+    this.player = player;
+    debugTextViewHelper = new DebugTextViewHelper(player, debugTextView);
+    debugTextViewHelper.start();
+  }
+
+  private void releasePlayer() {
+    if (debugTextViewHelper != null) {
+      debugTextViewHelper.stop();
+      debugTextViewHelper = null;
+    }
+    if (player != null) {
+      player.release();
+      player = null;
+    }
+  }
+
+  private void requestTransformerPermission() {
+    if (Util.SDK_INT < 23) {
+      return;
+    }
+    if (checkSelfPermission(READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
+      requestPermissions(new String[] {READ_EXTERNAL_STORAGE}, /* requestCode= */ 0);
+    }
+  }
+
+  private final class DemoDebugViewProvider implements Transformer.DebugViewProvider {
+
+    @Nullable
+    @Override
+    public SurfaceView getDebugPreviewSurfaceView(int width, int height) {
+      // Update the UI on the main thread and wait for the output surface to be available.
+      CountDownLatch surfaceCreatedCountDownLatch = new CountDownLatch(1);
+      SurfaceView surfaceView = new SurfaceView(/* context= */ TransformerActivity.this);
+      runOnUiThread(
+          () -> {
+            AspectRatioFrameLayout debugFrame = checkNotNull(TransformerActivity.this.debugFrame);
+            debugFrame.addView(surfaceView);
+            debugFrame.setAspectRatio((float) width / height);
+            surfaceView
+                .getHolder()
+                .addCallback(
+                    new SurfaceHolder.Callback() {
+                      @Override
+                      public void surfaceCreated(SurfaceHolder surfaceHolder) {
+                        surfaceCreatedCountDownLatch.countDown();
+                      }
+
+                      @Override
+                      public void surfaceChanged(
+                          SurfaceHolder surfaceHolder, int format, int width, int height) {
+                        // Do nothing.
+                      }
+
+                      @Override
+                      public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
+                        // Do nothing.
+                      }
+                    });
+          });
+      try {
+        surfaceCreatedCountDownLatch.await();
+      } catch (InterruptedException e) {
+        Log.w(TAG, "Interrupted waiting for debug surface.");
+        Thread.currentThread().interrupt();
+        return null;
+      }
+      return surfaceView;
+    }
+  }
+}

demos/transformer/src/main/java/androidx/media3/demo/transformer/package-info.java

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+@NonNullApi
+package androidx.media3.demo.transformer;
+
+import androidx.media3.common.util.NonNullApi;

demos/transformer/src/main/res/layout/configuration_activity.xml

@@ -0,0 +1,206 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2021 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  xmlns:tools="http://schemas.android.com/tools"
+  android:layout_width="match_parent"
+  android:layout_height="match_parent"
+  tools:context=".ConfigurationActivity">
+
+  <TextView
+    android:id="@+id/configuration_text_view"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_marginTop="24dp"
+    android:layout_marginStart="32dp"
+    android:layout_marginEnd="32dp"
+    android:text="@string/configuration"
+    android:textSize="24sp"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toTopOf="parent" />
+  <Button
+    android:id="@+id/choose_file_button"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_marginTop="32dp"
+    android:layout_marginStart="32dp"
+    android:layout_marginEnd="32dp"
+    android:text="@string/choose_file_title"
+    app:layout_constraintTop_toBottomOf="@+id/configuration_text_view"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintStart_toStartOf="parent" />
+  <TextView
+    android:id="@+id/chosen_file_text_view"
+    android:layout_width="0dp"
+    android:layout_height="wrap_content"
+    android:layout_marginTop="12dp"
+    android:layout_marginStart="32dp"
+    android:layout_marginEnd="32dp"
+    android:paddingLeft="24dp"
+    android:paddingRight="24dp"
+    android:textSize="12sp"
+    android:gravity="center"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toBottomOf="@+id/choose_file_button" />
+  <androidx.core.widget.NestedScrollView
+    android:layout_width="fill_parent"
+    android:layout_height="0dp"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toBottomOf="@+id/chosen_file_text_view"
+    app:layout_constraintBottom_toTopOf="@+id/transform_button">
+    <TableLayout
+      android:layout_width="fill_parent"
+      android:layout_height="wrap_content"
+      android:stretchColumns="1"
+      android:layout_marginTop="32dp"
+      android:measureWithLargestChild="true"
+      android:paddingLeft="24dp"
+      android:paddingRight="12dp"
+      app:layout_constraintEnd_toEndOf="parent"
+      app:layout_constraintStart_toStartOf="parent"
+      app:layout_constraintTop_toTopOf="parent"
+      app:layout_constraintBottom_toBottomOf="parent">
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:text="@string/remove_audio" />
+        <CheckBox
+          android:id="@+id/remove_audio_checkbox"
+          android:layout_gravity="right"/>
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:text="@string/remove_video"/>
+        <CheckBox
+          android:id="@+id/remove_video_checkbox"
+          android:layout_gravity="right" />
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:text="@string/flatten_for_slow_motion"/>
+        <CheckBox
+          android:id="@+id/flatten_for_slow_motion_checkbox"
+          android:layout_gravity="right" />
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:id="@+id/audio_mime_text_view"
+          android:text="@string/audio_mime"/>
+        <Spinner
+          android:id="@+id/audio_mime_spinner"
+          android:layout_gravity="right|center_vertical"
+          android:gravity="right" />
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:id="@+id/video_mime_text_view"
+          android:text="@string/video_mime"/>
+        <Spinner
+          android:id="@+id/video_mime_spinner"
+          android:layout_gravity="right|center_vertical"
+          android:gravity="right" />
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:id="@+id/resolution_height_text_view"
+          android:text="@string/resolution_height"/>
+        <Spinner
+          android:id="@+id/resolution_height_spinner"
+          android:layout_gravity="right|center_vertical"
+          android:gravity="right" />
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:id="@+id/translate"
+          android:text="@string/translate"/>
+        <Spinner
+          android:id="@+id/translate_spinner"
+          android:layout_gravity="right|center_vertical"
+          android:gravity="right" />
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:id="@+id/scale"
+          android:text="@string/scale"/>
+        <Spinner
+          android:id="@+id/scale_spinner"
+          android:layout_gravity="right|center_vertical"
+          android:gravity="right" />
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:id="@+id/rotate"
+          android:text="@string/rotate"/>
+        <Spinner
+          android:id="@+id/rotate_spinner"
+          android:layout_gravity="right|center_vertical"
+          android:gravity="right" />
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:text="@string/enable_fallback" />
+        <CheckBox
+          android:id="@+id/enable_fallback_checkbox"
+          android:layout_gravity="right"
+          android:checked="true"/>
+      </TableRow>
+      <TableRow
+        android:layout_weight="1"
+        android:gravity="center_vertical" >
+        <TextView
+          android:id="@+id/hdr_editing"
+          android:text="@string/hdr_editing" />
+        <CheckBox
+          android:id="@+id/hdr_editing_checkbox"
+          android:layout_gravity="right" />
+      </TableRow>
+    </TableLayout>
+  </androidx.core.widget.NestedScrollView>
+  <Button
+    android:id="@+id/transform_button"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_marginBottom="28dp"
+    android:layout_marginStart="32dp"
+    android:layout_marginEnd="32dp"
+    android:text="@string/transform"
+    app:layout_constraintBottom_toBottomOf="parent"
+    app:layout_constraintEnd_toEndOf="parent"
+    app:layout_constraintStart_toStartOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

demos/transformer/src/main/res/layout/spinner_item.xml

@@ -1,6 +1,6 @@
-<?xml version="1.0" encoding="UTF-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <!--
-  ~ Copyright 2018 The Android Open Source Project
+  ~ Copyright 2021 The Android Open Source Project
   ~
   ~ Licensed under the Apache License, Version 2.0 (the "License");
   ~ you may not use this file except in compliance with the License.
@@ -14,10 +14,13 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License.
   -->
-
+<TextView
-<resources xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+  android:layout_width="wrap_content"
-    <string name="default_notification_channel_name" msgid="7213672915724563695">"Now playing"</string>
+  android:layout_height="32dp"
-    <string name="play_button_content_description" msgid="963503759453979404">"Play"</string>
+  android:gravity="left|center_vertical"
-    <string name="media3_controls_pause_description" msgid="3510124037191104584">"Pause"</string>
+  android:paddingLeft="4dp"
-</resources>
+  android:paddingRight="4dp"
+  android:layout_marginLeft="4dp"
+  android:layout_marginRight="4dp"
+  android:textIsSelectable="false" />

demos/transformer/src/main/res/layout/transformer_activity.xml

@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright 2021 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  android:layout_width="match_parent"
+  android:layout_height="match_parent"
+  xmlns:app="http://schemas.android.com/apk/res-auto"
+  xmlns:tools="http://schemas.android.com/tools"
+  android:keepScreenOn="true"
+  android:orientation="vertical">
+
+  <com.google.android.material.card.MaterialCardView
+    android:layout_margin="8dp"
+    android:layout_height="wrap_content"
+    android:layout_width="match_parent"
+    app:cardCornerRadius="4dp"
+    app:cardElevation="2dp"
+    android:gravity="center_vertical" >
+
+    <TextView
+      android:id="@+id/information_text_view"
+      android:layout_width="wrap_content"
+      android:layout_height="match_parent"
+      android:orientation="vertical"
+      android:padding="8dp" />
+
+  </com.google.android.material.card.MaterialCardView>
+
+  <com.google.android.material.card.MaterialCardView
+    android:layout_width="match_parent"
+    android:layout_height="0dp"
+    android:layout_weight="1"
+    android:layout_margin="16dp"
+    app:cardCornerRadius="4dp"
+    app:cardElevation="2dp">
+      <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.media3.ui.PlayerView
+          android:id="@+id/player_view"
+          android:layout_width="match_parent"
+          android:layout_height="match_parent" />
+
+        <TextView
+          android:id="@+id/debug_text_view"
+          android:layout_width="match_parent"
+          android:layout_height="wrap_content"
+          android:textSize="10sp"
+          tools:ignore="SmallSp"/>
+
+        <LinearLayout
+          android:id="@+id/progress_view_group"
+          android:layout_height="match_parent"
+          android:layout_width="match_parent"
+          android:padding="8dp"
+          android:orientation="vertical">
+
+          <com.google.android.material.progressindicator.LinearProgressIndicator
+            android:id="@+id/progress_indicator"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="8dp"
+            android:layout_gravity="center" />
+
+          <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="8dp"
+            android:text="@string/debug_preview" />
+
+          <androidx.media3.ui.AspectRatioFrameLayout
+            android:id="@+id/debug_aspect_ratio_frame_layout"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <TextView
+              android:layout_width="match_parent"
+              android:layout_height="wrap_content"
+              android:text="@string/debug_preview_not_available" />
+
+          </androidx.media3.ui.AspectRatioFrameLayout>
+
+        </LinearLayout>
+
+      </FrameLayout>
+  </com.google.android.material.card.MaterialCardView>
+</LinearLayout>

demos/transformer/src/main/res/values/strings.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright 2021 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+  <string name="app_name" translatable="false">Transformer Demo</string>
+  <string name="configuration" translatable="false">Configuration</string>
+  <string name="choose_file_title" translatable="false">Choose file</string>
+  <string name="remove_audio" translatable="false">Remove audio</string>
+  <string name="remove_video" translatable="false">Remove video</string>
+  <string name="flatten_for_slow_motion" translatable="false">Flatten for slow motion</string>
+  <string name="audio_mime" translatable="false">Output audio MIME type</string>
+  <string name="video_mime" translatable="false">Output video MIME type</string>
+  <string name="resolution_height" translatable="false">Output video resolution</string>
+  <string name="translate" translatable="false">Translate video</string>
+  <string name="scale" translatable="false">Scale video</string>
+  <string name="rotate" translatable="false">Rotate video (degrees)</string>
+  <string name="enable_fallback" translatable="false">Enable fallback</string>
+  <string name="transform" translatable="false">Transform</string>
+  <string name="hdr_editing" translatable="false">[Experimental] HDR editing</string>
+  <string name="debug_preview" translatable="false">Debug preview:</string>
+  <string name="debug_preview_not_available" translatable="false">No debug preview available.</string>
+  <string name="transformation_started" translatable="false">Transformation started</string>
+  <string name="transformation_timer" translatable="false">Transformation started %d seconds ago.</string>
+  <string name="transformation_completed" translatable="false">Transformation completed in %d seconds.</string>
+  <string name="transformation_error" translatable="false">Transformation error</string>
+</resources>

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https://services.gradle.org/distributions/gradle-7.0.2-all.zip
+distributionUrl=https://services.gradle.org/distributions/gradle-7.3.3-all.zip

libraries/cast/build.gradle

@@ -14,7 +14,7 @@
 apply from: "$gradle.ext.androidxMediaSettingsDir/common_library_config.gradle"
 
 dependencies {
-    api 'com.google.android.gms:play-services-cast-framework:20.1.0'
+    api 'com.google.android.gms:play-services-cast-framework:21.0.1'
     implementation 'androidx.annotation:annotation:' + androidxAnnotationVersion
     implementation project(modulePrefix + 'lib-common')
     compileOnly 'org.checkerframework:checker-qual:' + checkerframeworkVersion

libraries/cast/src/main/java/androidx/media3/cast/CastPlayer.java

@@ -137,7 +137,7 @@ public final class CastPlayer extends BasePlayer {
   private final SeekResultCallback seekResultCallback;
 
   // Listeners and notification.
-  private final ListenerSet<Player.EventListener> listeners;
+  private final ListenerSet<Listener> listeners;
   @Nullable private SessionAvailabilityListener sessionAvailabilityListener;
 
   // Internal state.
@@ -150,7 +150,7 @@ public final class CastPlayer extends BasePlayer {
   private TrackSelectionArray currentTrackSelection;
   private TracksInfo currentTracksInfo;
   private Commands availableCommands;
-  @Player.State private int playbackState;
+  private @Player.State int playbackState;
   private int currentWindowIndex;
   private long lastReportedPositionMs;
   private int pendingSeekCount;
@@ -280,41 +280,11 @@ public final class CastPlayer extends BasePlayer {
 
   @Override
   public void addListener(Listener listener) {
-    EventListener eventListener = listener;
-    addListener(eventListener);
-  }
-
-  /**
-   * Registers a listener to receive events from the player.
-   *
-   * <p>The listener's methods will be called on the thread associated with {@link
-   * #getApplicationLooper()}.
-   *
-   * @param listener The listener to register.
-   * @deprecated Use {@link #addListener(Listener)} and {@link #removeListener(Listener)} instead.
-   */
-  @Deprecated
-  @SuppressWarnings("deprecation")
-  public void addListener(EventListener listener) {
     listeners.add(listener);
   }
 
   @Override
   public void removeListener(Listener listener) {
-    EventListener eventListener = listener;
-    removeListener(eventListener);
-  }
-
-  /**
-   * Unregister a listener registered through {@link #addListener(EventListener)}. The listener will
-   * no longer receive events from the player.
-   *
-   * @param listener The listener to unregister.
-   * @deprecated Use {@link #addListener(Listener)} and {@link #removeListener(Listener)} instead.
-   */
-  @Deprecated
-  @SuppressWarnings("deprecation")
-  public void removeListener(EventListener listener) {
     listeners.remove(listener);
   }
 
@@ -387,14 +357,12 @@ public final class CastPlayer extends BasePlayer {
   }
 
   @Override
-  @Player.State
+  public @Player.State int getPlaybackState() {
-  public int getPlaybackState() {
     return playbackState;
   }
 
   @Override
-  @PlaybackSuppressionReason
+  public @PlaybackSuppressionReason int getPlaybackSuppressionReason() {
-  public int getPlaybackSuppressionReason() {
     return Player.PLAYBACK_SUPPRESSION_REASON_NONE;
   }
 
@@ -475,7 +443,7 @@ public final class CastPlayer extends BasePlayer {
       }
       updateAvailableCommandsAndNotifyIfChanged();
     } else if (pendingSeekCount == 0) {
-      listeners.queueEvent(/* eventFlag= */ C.INDEX_UNSET, EventListener::onSeekProcessed);
+      listeners.queueEvent(/* eventFlag= */ C.INDEX_UNSET, Listener::onSeekProcessed);
     }
     listeners.flushEvents();
   }
@@ -559,7 +527,7 @@ public final class CastPlayer extends BasePlayer {
     setRepeatModeAndNotifyIfChanged(repeatMode);
     listeners.flushEvents();
     PendingResult<MediaChannelResult> pendingResult =
-        remoteMediaClient.queueSetRepeatMode(getCastRepeatMode(repeatMode), /* jsonObject= */ null);
+        remoteMediaClient.queueSetRepeatMode(getCastRepeatMode(repeatMode), /* customData= */ null);
     this.repeatMode.pendingResultCallback =
         new ResultCallback<MediaChannelResult>() {
           @Override
@@ -574,8 +542,7 @@ public final class CastPlayer extends BasePlayer {
   }
 
   @Override
-  @RepeatMode
+  public @RepeatMode int getRepeatMode() {
-  public int getRepeatMode() {
     return repeatMode.value;
   }
 
@@ -1070,7 +1037,8 @@ public final class CastPlayer extends BasePlayer {
       int[] trackSupport = new int[] {supported ? C.FORMAT_HANDLED : C.FORMAT_UNSUPPORTED_TYPE};
       final boolean[] trackSelected = new boolean[] {selected};
       trackGroupInfos[i] =
-          new TracksInfo.TrackGroupInfo(trackGroups[i], trackSupport, trackType, trackSelected);
+          new TracksInfo.TrackGroupInfo(
+              trackGroups[i], /* adaptiveSupported= */ false, trackSupport, trackSelected);
     }
     TrackGroupArray newTrackGroups = new TrackGroupArray(trackGroups);
     TrackSelectionArray newTrackSelections = new TrackSelectionArray(trackSelections);
@@ -1292,8 +1260,7 @@ public final class CastPlayer extends BasePlayer {
    * Retrieves the repeat mode from {@code remoteMediaClient} and maps it into a {@link
    * Player.RepeatMode}.
    */
-  @RepeatMode
+  private static @RepeatMode int fetchRepeatMode(RemoteMediaClient remoteMediaClient) {
-  private static int fetchRepeatMode(RemoteMediaClient remoteMediaClient) {
     MediaStatus mediaStatus = remoteMediaClient.getMediaStatus();
     if (mediaStatus == null) {
       // No media session active, yet.
@@ -1481,7 +1448,7 @@ public final class CastPlayer extends BasePlayer {
         currentWindowIndex = pendingSeekWindowIndex;
         pendingSeekWindowIndex = C.INDEX_UNSET;
         pendingSeekPositionMs = C.TIME_UNSET;
-        listeners.sendEvent(/* eventFlag= */ C.INDEX_UNSET, EventListener::onSeekProcessed);
+        listeners.sendEvent(/* eventFlag= */ C.INDEX_UNSET, Listener::onSeekProcessed);
       }
     }
   }

libraries/cast/src/main/java/androidx/media3/cast/CastTrackSelection.java

@@ -31,7 +31,9 @@ import androidx.media3.common.util.Assertions;
 
   private final TrackGroup trackGroup;
 
-  /** @param trackGroup The {@link TrackGroup} from which the first track will only be selected. */
+  /**
+   * @param trackGroup The {@link TrackGroup} from which the first track will only be selected.
+   */
   public CastTrackSelection(TrackGroup trackGroup) {
     this.trackGroup = trackGroup;
   }

libraries/cast/src/main/java/androidx/media3/cast/DefaultMediaItemConverter.java

@@ -19,11 +19,13 @@ import android.net.Uri;
 import androidx.annotation.Nullable;
 import androidx.media3.common.C;
 import androidx.media3.common.MediaItem;
+import androidx.media3.common.MimeTypes;
 import androidx.media3.common.util.Assertions;
 import androidx.media3.common.util.UnstableApi;
 import com.google.android.gms.cast.MediaInfo;
 import com.google.android.gms.cast.MediaMetadata;
 import com.google.android.gms.cast.MediaQueueItem;
+import com.google.android.gms.common.images.WebImage;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.UUID;
@@ -47,10 +49,43 @@ public final class DefaultMediaItemConverter implements MediaItemConverter {
 
   @Override
   public MediaItem toMediaItem(MediaQueueItem mediaQueueItem) {
-    // `item` came from `toMediaQueueItem()` so the custom JSON data must be set.
+    @Nullable MediaInfo mediaInfo = mediaQueueItem.getMedia();
-    MediaInfo mediaInfo = mediaQueueItem.getMedia();
     Assertions.checkNotNull(mediaInfo);
-    return getMediaItem(Assertions.checkNotNull(mediaInfo.getCustomData()));
+    androidx.media3.common.MediaMetadata.Builder metadataBuilder =
+        new androidx.media3.common.MediaMetadata.Builder();
+    @Nullable MediaMetadata metadata = mediaInfo.getMetadata();
+    if (metadata != null) {
+      if (metadata.containsKey(MediaMetadata.KEY_TITLE)) {
+        metadataBuilder.setTitle(metadata.getString(MediaMetadata.KEY_TITLE));
+      }
+      if (metadata.containsKey(MediaMetadata.KEY_SUBTITLE)) {
+        metadataBuilder.setSubtitle(metadata.getString(MediaMetadata.KEY_SUBTITLE));
+      }
+      if (metadata.containsKey(MediaMetadata.KEY_ARTIST)) {
+        metadataBuilder.setArtist(metadata.getString(MediaMetadata.KEY_ARTIST));
+      }
+      if (metadata.containsKey(MediaMetadata.KEY_ALBUM_ARTIST)) {
+        metadataBuilder.setAlbumArtist(metadata.getString(MediaMetadata.KEY_ALBUM_ARTIST));
+      }
+      if (metadata.containsKey(MediaMetadata.KEY_ALBUM_TITLE)) {
+        metadataBuilder.setArtist(metadata.getString(MediaMetadata.KEY_ALBUM_TITLE));
+      }
+      if (!metadata.getImages().isEmpty()) {
+        metadataBuilder.setArtworkUri(metadata.getImages().get(0).getUrl());
+      }
+      if (metadata.containsKey(MediaMetadata.KEY_COMPOSER)) {
+        metadataBuilder.setComposer(metadata.getString(MediaMetadata.KEY_COMPOSER));
+      }
+      if (metadata.containsKey(MediaMetadata.KEY_DISC_NUMBER)) {
+        metadataBuilder.setDiscNumber(metadata.getInt(MediaMetadata.KEY_DISC_NUMBER));
+      }
+      if (metadata.containsKey(MediaMetadata.KEY_TRACK_NUMBER)) {
+        metadataBuilder.setTrackNumber(metadata.getInt(MediaMetadata.KEY_TRACK_NUMBER));
+      }
+    }
+    // `mediaQueueItem` came from `toMediaQueueItem()` so the custom JSON data must be set.
+    return getMediaItem(
+        Assertions.checkNotNull(mediaInfo.getCustomData()), metadataBuilder.build());
   }
 
   @Override
@@ -59,10 +94,41 @@ public final class DefaultMediaItemConverter implements MediaItemConverter {
     if (mediaItem.localConfiguration.mimeType == null) {
       throw new IllegalArgumentException("The item must specify its mimeType");
     }
-    MediaMetadata metadata = new MediaMetadata(MediaMetadata.MEDIA_TYPE_MOVIE);
+    MediaMetadata metadata =
+        new MediaMetadata(
+            MimeTypes.isAudio(mediaItem.localConfiguration.mimeType)
+                ? MediaMetadata.MEDIA_TYPE_MUSIC_TRACK
+                : MediaMetadata.MEDIA_TYPE_MOVIE);
     if (mediaItem.mediaMetadata.title != null) {
       metadata.putString(MediaMetadata.KEY_TITLE, mediaItem.mediaMetadata.title.toString());
     }
+    if (mediaItem.mediaMetadata.subtitle != null) {
+      metadata.putString(MediaMetadata.KEY_SUBTITLE, mediaItem.mediaMetadata.subtitle.toString());
+    }
+    if (mediaItem.mediaMetadata.artist != null) {
+      metadata.putString(MediaMetadata.KEY_ARTIST, mediaItem.mediaMetadata.artist.toString());
+    }
+    if (mediaItem.mediaMetadata.albumArtist != null) {
+      metadata.putString(
+          MediaMetadata.KEY_ALBUM_ARTIST, mediaItem.mediaMetadata.albumArtist.toString());
+    }
+    if (mediaItem.mediaMetadata.albumTitle != null) {
+      metadata.putString(
+          MediaMetadata.KEY_ALBUM_TITLE, mediaItem.mediaMetadata.albumTitle.toString());
+    }
+    if (mediaItem.mediaMetadata.artworkUri != null) {
+      metadata.addImage(new WebImage(mediaItem.mediaMetadata.artworkUri));
+    }
+    if (mediaItem.mediaMetadata.composer != null) {
+      metadata.putString(MediaMetadata.KEY_COMPOSER, mediaItem.mediaMetadata.composer.toString());
+    }
+    if (mediaItem.mediaMetadata.discNumber != null) {
+      metadata.putInt(MediaMetadata.KEY_DISC_NUMBER, mediaItem.mediaMetadata.discNumber);
+    }
+    if (mediaItem.mediaMetadata.trackNumber != null) {
+      metadata.putInt(MediaMetadata.KEY_TRACK_NUMBER, mediaItem.mediaMetadata.trackNumber);
+    }
+
     MediaInfo mediaInfo =
         new MediaInfo.Builder(mediaItem.localConfiguration.uri.toString())
             .setStreamType(MediaInfo.STREAM_TYPE_BUFFERED)
@@ -75,19 +141,15 @@ public final class DefaultMediaItemConverter implements MediaItemConverter {
 
   // Deserialization.
 
-  private static MediaItem getMediaItem(JSONObject customData) {
+  private static MediaItem getMediaItem(
+      JSONObject customData, androidx.media3.common.MediaMetadata mediaMetadata) {
     try {
       JSONObject mediaItemJson = customData.getJSONObject(KEY_MEDIA_ITEM);
-      MediaItem.Builder builder = new MediaItem.Builder();
+      MediaItem.Builder builder =
-      builder.setUri(Uri.parse(mediaItemJson.getString(KEY_URI)));
+          new MediaItem.Builder()
-      builder.setMediaId(mediaItemJson.getString(KEY_MEDIA_ID));
+              .setUri(Uri.parse(mediaItemJson.getString(KEY_URI)))
-      if (mediaItemJson.has(KEY_TITLE)) {
+              .setMediaId(mediaItemJson.getString(KEY_MEDIA_ID))
-        androidx.media3.common.MediaMetadata mediaMetadata =
+              .setMediaMetadata(mediaMetadata);
-            new androidx.media3.common.MediaMetadata.Builder()
-                .setTitle(mediaItemJson.getString(KEY_TITLE))
-                .build();
-        builder.setMediaMetadata(mediaMetadata);
-      }
       if (mediaItemJson.has(KEY_MIME_TYPE)) {
         builder.setMimeType(mediaItemJson.getString(KEY_MIME_TYPE));
       }

libraries/common/build.gradle

@@ -17,9 +17,10 @@ apply from: "$gradle.ext.androidxMediaSettingsDir/common_library_config.gradle"
 // the Gradle properties of each library are populated and we can automatically
 // check if a 'releaseArtifactId' exists.
 rootProject.allprojects.forEach {
-    if ((it.name.contains('lib-') || it.name.contains('test-'))
+    if ((it.name.startsWith(modulePrefix.replace(':', '') + 'lib-')
+                || it.name.startsWith(modulePrefix.replace(':', '') + 'test-'))
             && !it.name.endsWith('-common')) {
-        evaluationDependsOn(modulePrefix + it.name)
+        evaluationDependsOn(':' + it.name)
     }
 }
 // copybara:media3-only
@@ -36,8 +37,9 @@ dependencies {
         // List all released targets as constraints. This ensures they are all
         // resolved to the same version.
         rootProject.allprojects.forEach {
-            if (it.hasProperty('releaseArtifactId')) {
+            if (it.hasProperty('releaseArtifactId')
-                implementation project(modulePrefix + it.name)
+                    && it.releaseArtifactId.startsWith('media3-')) {
+              implementation project(':' + it.name)
             }
         }
     }

libraries/common/src/main/java/androidx/media3/common/AdOverlayInfo.java

@@ -37,6 +37,8 @@ public final class AdOverlayInfo {
    * The purpose of the overlay. One of {@link #PURPOSE_CONTROLS}, {@link #PURPOSE_CLOSE_AD}, {@link
    * #PURPOSE_OTHER} or {@link #PURPOSE_NOT_VISIBLE}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -95,14 +97,18 @@ public final class AdOverlayInfo {
   /** An optional, detailed reason that the overlay view is needed. */
   @Nullable public final String reasonDetail;
 
-  /** @deprecated Use {@link Builder} instead. */
+  /**
+   * @deprecated Use {@link Builder} instead.
+   */
   @UnstableApi
   @Deprecated
   public AdOverlayInfo(View view, @Purpose int purpose) {
     this(view, purpose, /* detailedReason= */ null);
   }
 
-  /** @deprecated Use {@link Builder} instead. */
+  /**
+   * @deprecated Use {@link Builder} instead.
+   */
   @UnstableApi
   @Deprecated
   public AdOverlayInfo(View view, @Purpose int purpose, @Nullable String detailedReason) {

libraries/common/src/main/java/androidx/media3/common/AdPlaybackState.java

@@ -18,6 +18,11 @@ package androidx.media3.common;
 import static androidx.media3.common.util.Assertions.checkArgument;
 import static androidx.media3.common.util.Assertions.checkState;
 import static java.lang.Math.max;
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.LOCAL_VARIABLE;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import android.os.Bundle;
@@ -30,6 +35,7 @@ import androidx.media3.common.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Arrays;
 import org.checkerframework.checker.nullness.compatqual.NullableType;
@@ -61,7 +67,7 @@ public final class AdPlaybackState implements Bundleable {
     /** The URI of each ad in the ad group. */
     public final @NullableType Uri[] uris;
     /** The state of each ad in the ad group. */
-    @AdState public final int[] states;
+    public final @AdState int[] states;
     /** The durations of each ad in the ad group, in microseconds. */
     public final long[] durationsUs;
     /**
@@ -343,6 +349,7 @@ public final class AdPlaybackState implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_TIME_US,
       FIELD_COUNT,
@@ -414,8 +421,11 @@ public final class AdPlaybackState implements Bundleable {
    * #AD_STATE_AVAILABLE}, {@link #AD_STATE_SKIPPED}, {@link #AD_STATE_PLAYED} or {@link
    * #AD_STATE_ERROR}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
   @IntDef({
     AD_STATE_UNAVAILABLE,
     AD_STATE_AVAILABLE,
@@ -913,6 +923,7 @@ public final class AdPlaybackState implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_AD_GROUPS,
     FIELD_AD_RESUME_POSITION_US,

libraries/common/src/main/java/androidx/media3/common/AudioAttributes.java

@@ -15,6 +15,8 @@
  */
 package androidx.media3.common;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.DoNotInline;
 import androidx.annotation.IntDef;
@@ -25,6 +27,7 @@ import androidx.media3.common.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.lang.reflect.Method;
 
 /**
@@ -40,6 +43,11 @@ import java.lang.reflect.Method;
  */
 public final class AudioAttributes implements Bundleable {
 
+  /**
+   * The default audio attributes, where the content type is {@link C#CONTENT_TYPE_UNKNOWN}, usage
+   * is {@link C#USAGE_MEDIA}, capture policy is {@link C#ALLOW_CAPTURE_BY_ALL} and no flags are
+   * set.
+   */
   public static final AudioAttributes DEFAULT = new Builder().build();
 
   /** Builder for {@link AudioAttributes}. */
@@ -65,19 +73,19 @@ public final class AudioAttributes implements Bundleable {
       spatializationBehavior = C.SPATIALIZATION_BEHAVIOR_AUTO;
     }
 
-    /** @see android.media.AudioAttributes.Builder#setContentType(int) */
+    /** See {@link android.media.AudioAttributes.Builder#setContentType(int)} */
     public Builder setContentType(@C.AudioContentType int contentType) {
       this.contentType = contentType;
       return this;
     }
 
-    /** @see android.media.AudioAttributes.Builder#setFlags(int) */
+    /** See {@link android.media.AudioAttributes.Builder#setFlags(int)} */
     public Builder setFlags(@C.AudioFlags int flags) {
       this.flags = flags;
       return this;
     }
 
-    /** @see android.media.AudioAttributes.Builder#setUsage(int) */
+    /** See {@link android.media.AudioAttributes.Builder#setUsage(int)} */
     public Builder setUsage(@C.AudioUsage int usage) {
       this.usage = usage;
       return this;
@@ -91,7 +99,7 @@ public final class AudioAttributes implements Bundleable {
 
     // TODO[b/190759307] Update javadoc to link to AudioAttributes.Builder#setSpatializationBehavior
     //  once compile SDK target is set to 32.
-    /** See AudioAttributes.Builder#setSpatializationBehavior(int). */
+    /** See {@code android.media.AudioAttributes.Builder.setSpatializationBehavior(int)}. */
     public Builder setSpatializationBehavior(@C.SpatializationBehavior int spatializationBehavior) {
       this.spatializationBehavior = spatializationBehavior;
       return this;
@@ -104,10 +112,15 @@ public final class AudioAttributes implements Bundleable {
     }
   }
 
+  /** The {@link C.AudioContentType}. */
   public final @C.AudioContentType int contentType;
+  /** The {@link C.AudioFlags}. */
   public final @C.AudioFlags int flags;
+  /** The {@link C.AudioUsage}. */
   public final @C.AudioUsage int usage;
+  /** The {@link C.AudioAllowedCapturePolicy}. */
   public final @C.AudioAllowedCapturePolicy int allowedCapturePolicy;
+  /** The {@link C.SpatializationBehavior}. */
   public final @C.SpatializationBehavior int spatializationBehavior;
 
   @Nullable private android.media.AudioAttributes audioAttributesV21;
@@ -180,6 +193,7 @@ public final class AudioAttributes implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_CONTENT_TYPE,
     FIELD_FLAGS,

libraries/common/src/main/java/androidx/media3/common/BasePlayer.java

@@ -384,8 +384,7 @@ public abstract class BasePlayer implements Player {
         : timeline.getWindow(getCurrentMediaItemIndex(), window).getDurationMs();
   }
 
-  @RepeatMode
+  private @RepeatMode int getRepeatModeForNavigation() {
-  private int getRepeatModeForNavigation() {
     @RepeatMode int repeatMode = getRepeatMode();
     return repeatMode == REPEAT_MODE_ONE ? REPEAT_MODE_OFF : repeatMode;
   }

libraries/common/src/main/java/androidx/media3/common/C.java

@@ -29,6 +29,7 @@ import android.media.AudioManager;
 import android.media.MediaCodec;
 import android.media.MediaCrypto;
 import android.media.MediaFormat;
+import android.net.Uri;
 import android.view.Surface;
 import androidx.annotation.IntDef;
 import androidx.annotation.RequiresApi;
@@ -68,6 +69,9 @@ public final class C {
   /** Represents an unset or unknown rate. */
   public static final float RATE_UNSET = -Float.MAX_VALUE;
 
+  /** Represents an unset or unknown integer rate. */
+  @UnstableApi public static final int RATE_UNSET_INT = Integer.MIN_VALUE + 1;
+
   /** Represents an unset or unknown length. */
   public static final int LENGTH_UNSET = -1;
 
@@ -125,6 +129,9 @@ public final class C {
   /** The name of the sans-serif font family. */
   @UnstableApi public static final String SANS_SERIF_NAME = "sans-serif";
 
+  /** The {@link Uri#getScheme() URI scheme} used for content with server side ad insertion. */
+  @UnstableApi public static final String SSAI_SCHEME = "ssai";
+
   /**
    * Types of crypto implementation. May be one of {@link #CRYPTO_TYPE_NONE}, {@link
    * #CRYPTO_TYPE_UNSUPPORTED} or {@link #CRYPTO_TYPE_FRAMEWORK}. May also be an app-defined value
@@ -159,14 +166,21 @@ public final class C {
    */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({CRYPTO_MODE_UNENCRYPTED, CRYPTO_MODE_AES_CTR, CRYPTO_MODE_AES_CBC})
   @UnstableApi
   public @interface CryptoMode {}
-  /** @see MediaCodec#CRYPTO_MODE_UNENCRYPTED */
+  /**
+   * @see MediaCodec#CRYPTO_MODE_UNENCRYPTED
+   */
   @UnstableApi public static final int CRYPTO_MODE_UNENCRYPTED = MediaCodec.CRYPTO_MODE_UNENCRYPTED;
-  /** @see MediaCodec#CRYPTO_MODE_AES_CTR */
+  /**
+   * @see MediaCodec#CRYPTO_MODE_AES_CTR
+   */
   @UnstableApi public static final int CRYPTO_MODE_AES_CTR = MediaCodec.CRYPTO_MODE_AES_CTR;
-  /** @see MediaCodec#CRYPTO_MODE_AES_CBC */
+  /**
+   * @see MediaCodec#CRYPTO_MODE_AES_CBC
+   */
   @UnstableApi public static final int CRYPTO_MODE_AES_CBC = MediaCodec.CRYPTO_MODE_AES_CBC;
 
   /**
@@ -187,6 +201,7 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     Format.NO_VALUE,
     ENCODING_INVALID,
@@ -222,6 +237,7 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     Format.NO_VALUE,
     ENCODING_INVALID,
@@ -233,11 +249,17 @@ public final class C {
     ENCODING_PCM_FLOAT
   })
   public @interface PcmEncoding {}
-  /** @see AudioFormat#ENCODING_INVALID */
+  /**
+   * @see AudioFormat#ENCODING_INVALID
+   */
   @UnstableApi public static final int ENCODING_INVALID = AudioFormat.ENCODING_INVALID;
-  /** @see AudioFormat#ENCODING_PCM_8BIT */
+  /**
+   * @see AudioFormat#ENCODING_PCM_8BIT
+   */
   @UnstableApi public static final int ENCODING_PCM_8BIT = AudioFormat.ENCODING_PCM_8BIT;
-  /** @see AudioFormat#ENCODING_PCM_16BIT */
+  /**
+   * @see AudioFormat#ENCODING_PCM_16BIT
+   */
   @UnstableApi public static final int ENCODING_PCM_16BIT = AudioFormat.ENCODING_PCM_16BIT;
   /** Like {@link #ENCODING_PCM_16BIT}, but with the bytes in big endian order. */
   @UnstableApi public static final int ENCODING_PCM_16BIT_BIG_ENDIAN = 0x10000000;
@@ -245,41 +267,69 @@ public final class C {
   @UnstableApi public static final int ENCODING_PCM_24BIT = 0x20000000;
   /** PCM encoding with 32 bits per sample. */
   @UnstableApi public static final int ENCODING_PCM_32BIT = 0x30000000;
-  /** @see AudioFormat#ENCODING_PCM_FLOAT */
+  /**
+   * @see AudioFormat#ENCODING_PCM_FLOAT
+   */
   @UnstableApi public static final int ENCODING_PCM_FLOAT = AudioFormat.ENCODING_PCM_FLOAT;
-  /** @see AudioFormat#ENCODING_MP3 */
+  /**
+   * @see AudioFormat#ENCODING_MP3
+   */
   @UnstableApi public static final int ENCODING_MP3 = AudioFormat.ENCODING_MP3;
-  /** @see AudioFormat#ENCODING_AAC_LC */
+  /**
+   * @see AudioFormat#ENCODING_AAC_LC
+   */
   @UnstableApi public static final int ENCODING_AAC_LC = AudioFormat.ENCODING_AAC_LC;
-  /** @see AudioFormat#ENCODING_AAC_HE_V1 */
+  /**
+   * @see AudioFormat#ENCODING_AAC_HE_V1
+   */
   @UnstableApi public static final int ENCODING_AAC_HE_V1 = AudioFormat.ENCODING_AAC_HE_V1;
-  /** @see AudioFormat#ENCODING_AAC_HE_V2 */
+  /**
+   * @see AudioFormat#ENCODING_AAC_HE_V2
+   */
   @UnstableApi public static final int ENCODING_AAC_HE_V2 = AudioFormat.ENCODING_AAC_HE_V2;
-  /** @see AudioFormat#ENCODING_AAC_XHE */
+  /**
+   * @see AudioFormat#ENCODING_AAC_XHE
+   */
   @UnstableApi public static final int ENCODING_AAC_XHE = AudioFormat.ENCODING_AAC_XHE;
-  /** @see AudioFormat#ENCODING_AAC_ELD */
+  /**
+   * @see AudioFormat#ENCODING_AAC_ELD
+   */
   @UnstableApi public static final int ENCODING_AAC_ELD = AudioFormat.ENCODING_AAC_ELD;
   /** AAC Error Resilient Bit-Sliced Arithmetic Coding. */
   @UnstableApi public static final int ENCODING_AAC_ER_BSAC = 0x40000000;
-  /** @see AudioFormat#ENCODING_AC3 */
+  /**
+   * @see AudioFormat#ENCODING_AC3
+   */
   @UnstableApi public static final int ENCODING_AC3 = AudioFormat.ENCODING_AC3;
-  /** @see AudioFormat#ENCODING_E_AC3 */
+  /**
+   * @see AudioFormat#ENCODING_E_AC3
+   */
   @UnstableApi public static final int ENCODING_E_AC3 = AudioFormat.ENCODING_E_AC3;
-  /** @see AudioFormat#ENCODING_E_AC3_JOC */
+  /**
+   * @see AudioFormat#ENCODING_E_AC3_JOC
+   */
   @UnstableApi public static final int ENCODING_E_AC3_JOC = AudioFormat.ENCODING_E_AC3_JOC;
-  /** @see AudioFormat#ENCODING_AC4 */
+  /**
+   * @see AudioFormat#ENCODING_AC4
+   */
   @UnstableApi public static final int ENCODING_AC4 = AudioFormat.ENCODING_AC4;
-  /** @see AudioFormat#ENCODING_DTS */
+  /**
+   * @see AudioFormat#ENCODING_DTS
+   */
   @UnstableApi public static final int ENCODING_DTS = AudioFormat.ENCODING_DTS;
-  /** @see AudioFormat#ENCODING_DTS_HD */
+  /**
+   * @see AudioFormat#ENCODING_DTS_HD
+   */
   @UnstableApi public static final int ENCODING_DTS_HD = AudioFormat.ENCODING_DTS_HD;
-  /** @see AudioFormat#ENCODING_DOLBY_TRUEHD */
+  /**
+   * @see AudioFormat#ENCODING_DOLBY_TRUEHD
+   */
   @UnstableApi public static final int ENCODING_DOLBY_TRUEHD = AudioFormat.ENCODING_DOLBY_TRUEHD;
 
   /** Represents the behavior affecting whether spatialization will be used. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
-  @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
+  @Target(TYPE_USE)
   @IntDef({SPATIALIZATION_BEHAVIOR_AUTO, SPATIALIZATION_BEHAVIOR_NEVER})
   public @interface SpatializationBehavior {}
 
@@ -296,10 +346,13 @@ public final class C {
    * #STREAM_TYPE_RING}, {@link #STREAM_TYPE_SYSTEM}, {@link #STREAM_TYPE_VOICE_CALL} or {@link
    * #STREAM_TYPE_DEFAULT}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @SuppressLint("UniqueConstants") // Intentional duplication to set STREAM_TYPE_DEFAULT.
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
   @IntDef({
     STREAM_TYPE_ALARM,
     STREAM_TYPE_DTMF,
@@ -311,19 +364,33 @@ public final class C {
     STREAM_TYPE_DEFAULT
   })
   public @interface StreamType {}
-  /** @see AudioManager#STREAM_ALARM */
+  /**
+   * @see AudioManager#STREAM_ALARM
+   */
   @UnstableApi public static final int STREAM_TYPE_ALARM = AudioManager.STREAM_ALARM;
-  /** @see AudioManager#STREAM_DTMF */
+  /**
+   * @see AudioManager#STREAM_DTMF
+   */
   @UnstableApi public static final int STREAM_TYPE_DTMF = AudioManager.STREAM_DTMF;
-  /** @see AudioManager#STREAM_MUSIC */
+  /**
+   * @see AudioManager#STREAM_MUSIC
+   */
   @UnstableApi public static final int STREAM_TYPE_MUSIC = AudioManager.STREAM_MUSIC;
-  /** @see AudioManager#STREAM_NOTIFICATION */
+  /**
+   * @see AudioManager#STREAM_NOTIFICATION
+   */
   @UnstableApi public static final int STREAM_TYPE_NOTIFICATION = AudioManager.STREAM_NOTIFICATION;
-  /** @see AudioManager#STREAM_RING */
+  /**
+   * @see AudioManager#STREAM_RING
+   */
   @UnstableApi public static final int STREAM_TYPE_RING = AudioManager.STREAM_RING;
-  /** @see AudioManager#STREAM_SYSTEM */
+  /**
+   * @see AudioManager#STREAM_SYSTEM
+   */
   @UnstableApi public static final int STREAM_TYPE_SYSTEM = AudioManager.STREAM_SYSTEM;
-  /** @see AudioManager#STREAM_VOICE_CALL */
+  /**
+   * @see AudioManager#STREAM_VOICE_CALL
+   */
   @UnstableApi public static final int STREAM_TYPE_VOICE_CALL = AudioManager.STREAM_VOICE_CALL;
   /** The default stream type used by audio renderers. Equal to {@link #STREAM_TYPE_MUSIC}. */
   @UnstableApi public static final int STREAM_TYPE_DEFAULT = STREAM_TYPE_MUSIC;
@@ -333,6 +400,8 @@ public final class C {
    * #CONTENT_TYPE_MUSIC}, {@link #CONTENT_TYPE_SONIFICATION}, {@link #CONTENT_TYPE_SPEECH} or
    * {@link #CONTENT_TYPE_UNKNOWN}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -344,16 +413,26 @@ public final class C {
     CONTENT_TYPE_UNKNOWN
   })
   public @interface AudioContentType {}
-  /** @see android.media.AudioAttributes#CONTENT_TYPE_MOVIE */
+  /**
+   * @see android.media.AudioAttributes#CONTENT_TYPE_MOVIE
+   */
   public static final int CONTENT_TYPE_MOVIE = android.media.AudioAttributes.CONTENT_TYPE_MOVIE;
-  /** @see android.media.AudioAttributes#CONTENT_TYPE_MUSIC */
+  /**
+   * @see android.media.AudioAttributes#CONTENT_TYPE_MUSIC
+   */
   public static final int CONTENT_TYPE_MUSIC = android.media.AudioAttributes.CONTENT_TYPE_MUSIC;
-  /** @see android.media.AudioAttributes#CONTENT_TYPE_SONIFICATION */
+  /**
+   * @see android.media.AudioAttributes#CONTENT_TYPE_SONIFICATION
+   */
   public static final int CONTENT_TYPE_SONIFICATION =
       android.media.AudioAttributes.CONTENT_TYPE_SONIFICATION;
-  /** @see android.media.AudioAttributes#CONTENT_TYPE_SPEECH */
+  /**
+   * @see android.media.AudioAttributes#CONTENT_TYPE_SPEECH
+   */
   public static final int CONTENT_TYPE_SPEECH = android.media.AudioAttributes.CONTENT_TYPE_SPEECH;
-  /** @see android.media.AudioAttributes#CONTENT_TYPE_UNKNOWN */
+  /**
+   * @see android.media.AudioAttributes#CONTENT_TYPE_UNKNOWN
+   */
   public static final int CONTENT_TYPE_UNKNOWN = android.media.AudioAttributes.CONTENT_TYPE_UNKNOWN;
 
   /**
@@ -362,6 +441,8 @@ public final class C {
    * <p>Note that {@code FLAG_HW_AV_SYNC} is not available because the player takes care of setting
    * the flag when tunneling is enabled via a track selector.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -369,7 +450,9 @@ public final class C {
       flag = true,
       value = {FLAG_AUDIBILITY_ENFORCED})
   public @interface AudioFlags {}
-  /** @see android.media.AudioAttributes#FLAG_AUDIBILITY_ENFORCED */
+  /**
+   * @see android.media.AudioAttributes#FLAG_AUDIBILITY_ENFORCED
+   */
   public static final int FLAG_AUDIBILITY_ENFORCED =
       android.media.AudioAttributes.FLAG_AUDIBILITY_ENFORCED;
 
@@ -383,6 +466,8 @@ public final class C {
    * #USAGE_NOTIFICATION_RINGTONE}, {@link #USAGE_UNKNOWN}, {@link #USAGE_VOICE_COMMUNICATION} or
    * {@link #USAGE_VOICE_COMMUNICATION_SIGNALLING}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -405,46 +490,78 @@ public final class C {
     USAGE_VOICE_COMMUNICATION_SIGNALLING
   })
   public @interface AudioUsage {}
-  /** @see android.media.AudioAttributes#USAGE_ALARM */
+  /**
+   * @see android.media.AudioAttributes#USAGE_ALARM
+   */
   public static final int USAGE_ALARM = android.media.AudioAttributes.USAGE_ALARM;
-  /** @see android.media.AudioAttributes#USAGE_ASSISTANCE_ACCESSIBILITY */
+  /**
+   * @see android.media.AudioAttributes#USAGE_ASSISTANCE_ACCESSIBILITY
+   */
   public static final int USAGE_ASSISTANCE_ACCESSIBILITY =
       android.media.AudioAttributes.USAGE_ASSISTANCE_ACCESSIBILITY;
-  /** @see android.media.AudioAttributes#USAGE_ASSISTANCE_NAVIGATION_GUIDANCE */
+  /**
+   * @see android.media.AudioAttributes#USAGE_ASSISTANCE_NAVIGATION_GUIDANCE
+   */
   public static final int USAGE_ASSISTANCE_NAVIGATION_GUIDANCE =
       android.media.AudioAttributes.USAGE_ASSISTANCE_NAVIGATION_GUIDANCE;
-  /** @see android.media.AudioAttributes#USAGE_ASSISTANCE_SONIFICATION */
+  /**
+   * @see android.media.AudioAttributes#USAGE_ASSISTANCE_SONIFICATION
+   */
   public static final int USAGE_ASSISTANCE_SONIFICATION =
       android.media.AudioAttributes.USAGE_ASSISTANCE_SONIFICATION;
-  /** @see android.media.AudioAttributes#USAGE_ASSISTANT */
+  /**
+   * @see android.media.AudioAttributes#USAGE_ASSISTANT
+   */
   public static final int USAGE_ASSISTANT = android.media.AudioAttributes.USAGE_ASSISTANT;
-  /** @see android.media.AudioAttributes#USAGE_GAME */
+  /**
+   * @see android.media.AudioAttributes#USAGE_GAME
+   */
   public static final int USAGE_GAME = android.media.AudioAttributes.USAGE_GAME;
-  /** @see android.media.AudioAttributes#USAGE_MEDIA */
+  /**
+   * @see android.media.AudioAttributes#USAGE_MEDIA
+   */
   public static final int USAGE_MEDIA = android.media.AudioAttributes.USAGE_MEDIA;
-  /** @see android.media.AudioAttributes#USAGE_NOTIFICATION */
+  /**
+   * @see android.media.AudioAttributes#USAGE_NOTIFICATION
+   */
   public static final int USAGE_NOTIFICATION = android.media.AudioAttributes.USAGE_NOTIFICATION;
-  /** @see android.media.AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_DELAYED */
+  /**
+   * @see android.media.AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_DELAYED
+   */
   public static final int USAGE_NOTIFICATION_COMMUNICATION_DELAYED =
       android.media.AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_DELAYED;
-  /** @see android.media.AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_INSTANT */
+  /**
+   * @see android.media.AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_INSTANT
+   */
   public static final int USAGE_NOTIFICATION_COMMUNICATION_INSTANT =
       android.media.AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT;
-  /** @see android.media.AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_REQUEST */
+  /**
+   * @see android.media.AudioAttributes#USAGE_NOTIFICATION_COMMUNICATION_REQUEST
+   */
   public static final int USAGE_NOTIFICATION_COMMUNICATION_REQUEST =
       android.media.AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_REQUEST;
-  /** @see android.media.AudioAttributes#USAGE_NOTIFICATION_EVENT */
+  /**
+   * @see android.media.AudioAttributes#USAGE_NOTIFICATION_EVENT
+   */
   public static final int USAGE_NOTIFICATION_EVENT =
       android.media.AudioAttributes.USAGE_NOTIFICATION_EVENT;
-  /** @see android.media.AudioAttributes#USAGE_NOTIFICATION_RINGTONE */
+  /**
+   * @see android.media.AudioAttributes#USAGE_NOTIFICATION_RINGTONE
+   */
   public static final int USAGE_NOTIFICATION_RINGTONE =
       android.media.AudioAttributes.USAGE_NOTIFICATION_RINGTONE;
-  /** @see android.media.AudioAttributes#USAGE_UNKNOWN */
+  /**
+   * @see android.media.AudioAttributes#USAGE_UNKNOWN
+   */
   public static final int USAGE_UNKNOWN = android.media.AudioAttributes.USAGE_UNKNOWN;
-  /** @see android.media.AudioAttributes#USAGE_VOICE_COMMUNICATION */
+  /**
+   * @see android.media.AudioAttributes#USAGE_VOICE_COMMUNICATION
+   */
   public static final int USAGE_VOICE_COMMUNICATION =
       android.media.AudioAttributes.USAGE_VOICE_COMMUNICATION;
-  /** @see android.media.AudioAttributes#USAGE_VOICE_COMMUNICATION_SIGNALLING */
+  /**
+   * @see android.media.AudioAttributes#USAGE_VOICE_COMMUNICATION_SIGNALLING
+   */
   public static final int USAGE_VOICE_COMMUNICATION_SIGNALLING =
       android.media.AudioAttributes.USAGE_VOICE_COMMUNICATION_SIGNALLING;
 
@@ -452,6 +569,8 @@ public final class C {
    * Capture policies for audio attributes. One of {@link #ALLOW_CAPTURE_BY_ALL}, {@link
    * #ALLOW_CAPTURE_BY_NONE} or {@link #ALLOW_CAPTURE_BY_SYSTEM}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -464,62 +583,6 @@ public final class C {
   /** See {@link android.media.AudioAttributes#ALLOW_CAPTURE_BY_SYSTEM}. */
   public static final int ALLOW_CAPTURE_BY_SYSTEM = AudioAttributes.ALLOW_CAPTURE_BY_SYSTEM;
 
-  /**
-   * Audio focus types. One of {@link #AUDIOFOCUS_NONE}, {@link #AUDIOFOCUS_GAIN}, {@link
-   * #AUDIOFOCUS_GAIN_TRANSIENT}, {@link #AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK} or {@link
-   * #AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE}.
-   */
-  @UnstableApi
-  @Documented
-  @Retention(RetentionPolicy.SOURCE)
-  @IntDef({
-    AUDIOFOCUS_NONE,
-    AUDIOFOCUS_GAIN,
-    AUDIOFOCUS_GAIN_TRANSIENT,
-    AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK,
-    AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE
-  })
-  public @interface AudioFocusGain {}
-  /** @see AudioManager#AUDIOFOCUS_NONE */
-  @UnstableApi public static final int AUDIOFOCUS_NONE = AudioManager.AUDIOFOCUS_NONE;
-  /** @see AudioManager#AUDIOFOCUS_GAIN */
-  @UnstableApi public static final int AUDIOFOCUS_GAIN = AudioManager.AUDIOFOCUS_GAIN;
-  /** @see AudioManager#AUDIOFOCUS_GAIN_TRANSIENT */
-  @UnstableApi
-  public static final int AUDIOFOCUS_GAIN_TRANSIENT = AudioManager.AUDIOFOCUS_GAIN_TRANSIENT;
-  /** @see AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK */
-  @UnstableApi
-  public static final int AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK =
-      AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_MAY_DUCK;
-  /** @see AudioManager#AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE */
-  @UnstableApi
-  public static final int AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE =
-      AudioManager.AUDIOFOCUS_GAIN_TRANSIENT_EXCLUSIVE;
-
-  /**
-   * Playback offload mode. One of {@link #PLAYBACK_OFFLOAD_NOT_SUPPORTED},{@link
-   * #PLAYBACK_OFFLOAD_SUPPORTED} or {@link #PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED}.
-   */
-  @UnstableApi
-  @IntDef({
-    PLAYBACK_OFFLOAD_NOT_SUPPORTED,
-    PLAYBACK_OFFLOAD_SUPPORTED,
-    PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED
-  })
-  @Retention(RetentionPolicy.SOURCE)
-  public @interface AudioManagerOffloadMode {}
-  /** See AudioManager#PLAYBACK_OFFLOAD_NOT_SUPPORTED */
-  @UnstableApi
-  public static final int PLAYBACK_OFFLOAD_NOT_SUPPORTED =
-      AudioManager.PLAYBACK_OFFLOAD_NOT_SUPPORTED;
-  /** See AudioManager#PLAYBACK_OFFLOAD_SUPPORTED */
-  @UnstableApi
-  public static final int PLAYBACK_OFFLOAD_SUPPORTED = AudioManager.PLAYBACK_OFFLOAD_SUPPORTED;
-  /** See AudioManager#PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED */
-  @UnstableApi
-  public static final int PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED =
-      AudioManager.PLAYBACK_OFFLOAD_GAPLESS_SUPPORTED;
-
   /**
    * Flags which can apply to a buffer containing a media sample. Possible flag values are {@link
    * #BUFFER_FLAG_KEY_FRAME}, {@link #BUFFER_FLAG_END_OF_STREAM}, {@link #BUFFER_FLAG_LAST_SAMPLE},
@@ -528,6 +591,7 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(
       flag = true,
       value = {
@@ -560,6 +624,7 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(value = {VIDEO_OUTPUT_MODE_NONE, VIDEO_OUTPUT_MODE_YUV, VIDEO_OUTPUT_MODE_SURFACE_YUV})
   public @interface VideoOutputMode {}
   /** Video decoder output mode is not set. */
@@ -574,10 +639,13 @@ public final class C {
    * #VIDEO_SCALING_MODE_SCALE_TO_FIT}, {@link #VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING} or
    * {@link #VIDEO_SCALING_MODE_DEFAULT}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @SuppressLint("UniqueConstants") // Intentional duplication to set VIDEO_SCALING_MODE_DEFAULT.
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
   @IntDef({
     VIDEO_SCALING_MODE_SCALE_TO_FIT,
     VIDEO_SCALING_MODE_SCALE_TO_FIT_WITH_CROPPING,
@@ -596,9 +664,12 @@ public final class C {
   @UnstableApi public static final int VIDEO_SCALING_MODE_DEFAULT = VIDEO_SCALING_MODE_SCALE_TO_FIT;
 
   /** Strategies for calling {@link Surface#setFrameRate}. */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
   @IntDef({VIDEO_CHANGE_FRAME_RATE_STRATEGY_OFF, VIDEO_CHANGE_FRAME_RATE_STRATEGY_ONLY_IF_SEAMLESS})
   public @interface VideoChangeFrameRateStrategy {}
   /**
@@ -618,6 +689,8 @@ public final class C {
    * Track selection flags. Possible flag values are {@link #SELECTION_FLAG_DEFAULT}, {@link
    * #SELECTION_FLAG_FORCED} and {@link #SELECTION_FLAG_AUTOSELECT}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -651,9 +724,12 @@ public final class C {
    * Represents a streaming or other media type. One of {@link #TYPE_DASH}, {@link #TYPE_SS}, {@link
    * #TYPE_HLS}, {@link #TYPE_RTSP} or {@link #TYPE_OTHER}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
   @IntDef({TYPE_DASH, TYPE_SS, TYPE_HLS, TYPE_RTSP, TYPE_OTHER})
   public @interface ContentType {}
   /** Value returned by {@link Util#inferContentType(String)} for DASH manifests. */
@@ -693,6 +769,7 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(
       open = true,
       value = {
@@ -787,6 +864,7 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(
       open = true,
       value = {
@@ -890,6 +968,7 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     Format.NO_VALUE,
     STEREO_MODE_MONO,
@@ -917,13 +996,20 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({Format.NO_VALUE, COLOR_SPACE_BT709, COLOR_SPACE_BT601, COLOR_SPACE_BT2020})
   public @interface ColorSpace {}
-  /** @see MediaFormat#COLOR_STANDARD_BT709 */
+  /**
+   * @see MediaFormat#COLOR_STANDARD_BT709
+   */
   @UnstableApi public static final int COLOR_SPACE_BT709 = MediaFormat.COLOR_STANDARD_BT709;
-  /** @see MediaFormat#COLOR_STANDARD_BT601_PAL */
+  /**
+   * @see MediaFormat#COLOR_STANDARD_BT601_PAL
+   */
   @UnstableApi public static final int COLOR_SPACE_BT601 = MediaFormat.COLOR_STANDARD_BT601_PAL;
-  /** @see MediaFormat#COLOR_STANDARD_BT2020 */
+  /**
+   * @see MediaFormat#COLOR_STANDARD_BT2020
+   */
   @UnstableApi public static final int COLOR_SPACE_BT2020 = MediaFormat.COLOR_STANDARD_BT2020;
 
   /**
@@ -933,13 +1019,20 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({Format.NO_VALUE, COLOR_TRANSFER_SDR, COLOR_TRANSFER_ST2084, COLOR_TRANSFER_HLG})
   public @interface ColorTransfer {}
-  /** @see MediaFormat#COLOR_TRANSFER_SDR_VIDEO */
+  /**
+   * @see MediaFormat#COLOR_TRANSFER_SDR_VIDEO
+   */
   @UnstableApi public static final int COLOR_TRANSFER_SDR = MediaFormat.COLOR_TRANSFER_SDR_VIDEO;
-  /** @see MediaFormat#COLOR_TRANSFER_ST2084 */
+  /**
+   * @see MediaFormat#COLOR_TRANSFER_ST2084
+   */
   @UnstableApi public static final int COLOR_TRANSFER_ST2084 = MediaFormat.COLOR_TRANSFER_ST2084;
-  /** @see MediaFormat#COLOR_TRANSFER_HLG */
+  /**
+   * @see MediaFormat#COLOR_TRANSFER_HLG
+   */
   @UnstableApi public static final int COLOR_TRANSFER_HLG = MediaFormat.COLOR_TRANSFER_HLG;
 
   /**
@@ -949,17 +1042,23 @@ public final class C {
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({Format.NO_VALUE, COLOR_RANGE_LIMITED, COLOR_RANGE_FULL})
   public @interface ColorRange {}
-  /** @see MediaFormat#COLOR_RANGE_LIMITED */
+  /**
+   * @see MediaFormat#COLOR_RANGE_LIMITED
+   */
   @UnstableApi public static final int COLOR_RANGE_LIMITED = MediaFormat.COLOR_RANGE_LIMITED;
-  /** @see MediaFormat#COLOR_RANGE_FULL */
+  /**
+   * @see MediaFormat#COLOR_RANGE_FULL
+   */
   @UnstableApi public static final int COLOR_RANGE_FULL = MediaFormat.COLOR_RANGE_FULL;
 
   /** Video projection types. */
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     Format.NO_VALUE,
     PROJECTION_RECTANGULAR,
@@ -997,9 +1096,12 @@ public final class C {
    * #NETWORK_TYPE_4G}, {@link #NETWORK_TYPE_5G_SA}, {@link #NETWORK_TYPE_5G_NSA}, {@link
    * #NETWORK_TYPE_CELLULAR_UNKNOWN}, {@link #NETWORK_TYPE_ETHERNET} or {@link #NETWORK_TYPE_OTHER}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
   @IntDef({
     NETWORK_TYPE_UNKNOWN,
     NETWORK_TYPE_OFFLINE,
@@ -1044,6 +1146,8 @@ public final class C {
    * Mode specifying whether the player should hold a WakeLock and a WifiLock. One of {@link
    * #WAKE_MODE_NONE}, {@link #WAKE_MODE_LOCAL} or {@link #WAKE_MODE_NETWORK}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -1081,6 +1185,8 @@ public final class C {
    * {@link #ROLE_FLAG_TRANSCRIBES_DIALOG}, {@link #ROLE_FLAG_EASY_TO_READ} and {@link
    * #ROLE_FLAG_TRICK_PLAY}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -1156,9 +1262,12 @@ public final class C {
    * #FORMAT_EXCEEDS_CAPABILITIES}, {@link #FORMAT_UNSUPPORTED_DRM}, {@link
    * #FORMAT_UNSUPPORTED_SUBTYPE} or {@link #FORMAT_UNSUPPORTED_TYPE}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @UnstableApi
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
   @IntDef({
     FORMAT_HANDLED,
     FORMAT_EXCEEDS_CAPABILITIES,
@@ -1208,7 +1317,9 @@ public final class C {
    */
   @UnstableApi public static final int FORMAT_UNSUPPORTED_TYPE = 0b000;
 
-  /** @deprecated Use {@link Util#usToMs(long)}. */
+  /**
+   * @deprecated Use {@link Util#usToMs(long)}.
+   */
   @UnstableApi
   @InlineMe(
       replacement = "Util.usToMs(timeUs)",
@@ -1218,7 +1329,9 @@ public final class C {
     return Util.usToMs(timeUs);
   }
 
-  /** @deprecated Use {@link Util#msToUs(long)}. */
+  /**
+   * @deprecated Use {@link Util#msToUs(long)}.
+   */
   @UnstableApi
   @InlineMe(
       replacement = "Util.msToUs(timeMs)",
@@ -1228,7 +1341,9 @@ public final class C {
     return Util.msToUs(timeMs);
   }
 
-  /** @deprecated Use {@link Util#generateAudioSessionIdV21(Context)}. */
+  /**
+   * @deprecated Use {@link Util#generateAudioSessionIdV21(Context)}.
+   */
   @UnstableApi
   @InlineMe(
       replacement = "Util.generateAudioSessionIdV21(context)",
@@ -1239,7 +1354,9 @@ public final class C {
     return Util.generateAudioSessionIdV21(context);
   }
 
-  /** @deprecated Use {@link Util#getFormatSupportString(int)}. */
+  /**
+   * @deprecated Use {@link Util#getFormatSupportString(int)}.
+   */
   @UnstableApi
   @InlineMe(
       replacement = "Util.getFormatSupportString(formatSupport)",
@@ -1249,14 +1366,16 @@ public final class C {
     return Util.getFormatSupportString(formatSupport);
   }
 
-  /** @deprecated Use {@link Util#getErrorCodeForMediaDrmErrorCode(int)}. */
+  /**
+   * @deprecated Use {@link Util#getErrorCodeForMediaDrmErrorCode(int)}.
+   */
   @UnstableApi
   @InlineMe(
       replacement = "Util.getErrorCodeForMediaDrmErrorCode(mediaDrmErrorCode)",
       imports = {"androidx.media3.common.util.Util"})
   @Deprecated
-  @PlaybackException.ErrorCode
+  public static @PlaybackException.ErrorCode int getErrorCodeForMediaDrmErrorCode(
-  public static int getErrorCodeForMediaDrmErrorCode(int mediaDrmErrorCode) {
+      int mediaDrmErrorCode) {
     return Util.getErrorCodeForMediaDrmErrorCode(mediaDrmErrorCode);
   }
 }

libraries/common/src/main/java/androidx/media3/common/ColorInfo.java

@@ -15,6 +15,8 @@
  */
 package androidx.media3.common;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -22,6 +24,7 @@ import androidx.media3.common.util.UnstableApi;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Arrays;
 import org.checkerframework.dataflow.qual.Pure;
 
@@ -35,8 +38,7 @@ public final class ColorInfo implements Bundleable {
    * made.
    */
   @Pure
-  @C.ColorSpace
+  public static @C.ColorSpace int isoColorPrimariesToColorSpace(int isoColorPrimaries) {
-  public static int isoColorPrimariesToColorSpace(int isoColorPrimaries) {
     switch (isoColorPrimaries) {
       case 1:
         return C.COLOR_SPACE_BT709;
@@ -58,8 +60,8 @@ public final class ColorInfo implements Bundleable {
    * mapping can be made.
    */
   @Pure
-  @C.ColorTransfer
+  public static @C.ColorTransfer int isoTransferCharacteristicsToColorTransfer(
-  public static int isoTransferCharacteristicsToColorTransfer(int isoTransferCharacteristics) {
+      int isoTransferCharacteristics) {
     switch (isoTransferCharacteristics) {
       case 1: // BT.709.
       case 6: // SMPTE 170M.
@@ -78,20 +80,20 @@ public final class ColorInfo implements Bundleable {
    * The color space of the video. Valid values are {@link C#COLOR_SPACE_BT601}, {@link
    * C#COLOR_SPACE_BT709}, {@link C#COLOR_SPACE_BT2020} or {@link Format#NO_VALUE} if unknown.
    */
-  @C.ColorSpace public final int colorSpace;
+  public final @C.ColorSpace int colorSpace;
 
   /**
    * The color range of the video. Valid values are {@link C#COLOR_RANGE_LIMITED}, {@link
    * C#COLOR_RANGE_FULL} or {@link Format#NO_VALUE} if unknown.
    */
-  @C.ColorRange public final int colorRange;
+  public final @C.ColorRange int colorRange;
 
   /**
    * The color transfer characteristics of the video. Valid values are {@link C#COLOR_TRANSFER_HLG},
    * {@link C#COLOR_TRANSFER_ST2084}, {@link C#COLOR_TRANSFER_SDR} or {@link Format#NO_VALUE} if
    * unknown.
    */
-  @C.ColorTransfer public final int colorTransfer;
+  public final @C.ColorTransfer int colorTransfer;
 
   /** HdrStaticInfo as defined in CTA-861.3, or null if none specified. */
   @Nullable public final byte[] hdrStaticInfo;
@@ -163,6 +165,7 @@ public final class ColorInfo implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_COLOR_SPACE,
     FIELD_COLOR_RANGE,

libraries/common/src/main/java/androidx/media3/common/DeviceInfo.java

@@ -15,12 +15,13 @@
  */
 package androidx.media3.common;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 import androidx.media3.common.util.UnstableApi;
 import java.lang.annotation.Documented;
-import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
@@ -31,7 +32,7 @@ public final class DeviceInfo implements Bundleable {
   /** Types of playback. One of {@link #PLAYBACK_TYPE_LOCAL} or {@link #PLAYBACK_TYPE_REMOTE}. */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
-  @Target({ElementType.TYPE_USE})
+  @Target(TYPE_USE)
   @IntDef({
     PLAYBACK_TYPE_LOCAL,
     PLAYBACK_TYPE_REMOTE,
@@ -88,6 +89,7 @@ public final class DeviceInfo implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_PLAYBACK_TYPE, FIELD_MIN_VOLUME, FIELD_MAX_VOLUME})
   private @interface FieldNumber {}
 

libraries/common/src/main/java/androidx/media3/common/DrmInitData.java

@@ -52,7 +52,8 @@ public final class DrmInitData implements Comparator<SchemeData>, Parcelable {
    * @param mediaData DRM session acquisition data obtained from the media.
    * @return A {@link DrmInitData} obtained from merging a media manifest and a media stream.
    */
-  public static @Nullable DrmInitData createSessionCreationData(
+  @Nullable
+  public static DrmInitData createSessionCreationData(
       @Nullable DrmInitData manifestData, @Nullable DrmInitData mediaData) {
     ArrayList<SchemeData> result = new ArrayList<>();
     String schemeType = null;
@@ -91,7 +92,9 @@ public final class DrmInitData implements Comparator<SchemeData>, Parcelable {
   /** Number of {@link SchemeData}s. */
   public final int schemeDataCount;
 
-  /** @param schemeDatas Scheme initialization data for possibly multiple DRM schemes. */
+  /**
+   * @param schemeDatas Scheme initialization data for possibly multiple DRM schemes.
+   */
   public DrmInitData(List<SchemeData> schemeDatas) {
     this(null, false, schemeDatas.toArray(new SchemeData[0]));
   }
@@ -104,7 +107,9 @@ public final class DrmInitData implements Comparator<SchemeData>, Parcelable {
     this(schemeType, false, schemeDatas.toArray(new SchemeData[0]));
   }
 
-  /** @param schemeDatas Scheme initialization data for possibly multiple DRM schemes. */
+  /**
+   * @param schemeDatas Scheme initialization data for possibly multiple DRM schemes.
+   */
   public DrmInitData(SchemeData... schemeDatas) {
     this(null, schemeDatas);
   }

libraries/common/src/main/java/androidx/media3/common/FileTypes.java

@@ -16,6 +16,7 @@
 package androidx.media3.common;
 
 import static androidx.media3.common.MimeTypes.normalizeMimeType;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import androidx.annotation.IntDef;
@@ -25,6 +26,7 @@ import androidx.media3.common.util.UnstableApi;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.List;
 import java.util.Map;
 
@@ -39,6 +41,7 @@ public final class FileTypes {
    */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     UNKNOWN, AC3, AC4, ADTS, AMR, FLAC, FLV, MATROSKA, MP3, MP4, OGG, PS, TS, WAV, WEBVTT, JPEG
   })
@@ -111,8 +114,8 @@ public final class FileTypes {
   private FileTypes() {}
 
   /** Returns the {@link Type} corresponding to the response headers provided. */
-  @FileTypes.Type
+  public static @FileTypes.Type int inferFileTypeFromResponseHeaders(
-  public static int inferFileTypeFromResponseHeaders(Map<String, List<String>> responseHeaders) {
+      Map<String, List<String>> responseHeaders) {
     @Nullable List<String> contentTypes = responseHeaders.get(HEADER_CONTENT_TYPE);
     @Nullable
     String mimeType = contentTypes == null || contentTypes.isEmpty() ? null : contentTypes.get(0);
@@ -124,8 +127,7 @@ public final class FileTypes {
    *
    * <p>Returns {@link #UNKNOWN} if the mime type is {@code null}.
    */
-  @FileTypes.Type
+  public static @FileTypes.Type int inferFileTypeFromMimeType(@Nullable String mimeType) {
-  public static int inferFileTypeFromMimeType(@Nullable String mimeType) {
     if (mimeType == null) {
       return FileTypes.UNKNOWN;
     }
@@ -175,8 +177,7 @@ public final class FileTypes {
   }
 
   /** Returns the {@link Type} corresponding to the {@link Uri} provided. */
-  @FileTypes.Type
+  public static @FileTypes.Type int inferFileTypeFromUri(Uri uri) {
-  public static int inferFileTypeFromUri(Uri uri) {
     @Nullable String filename = uri.getLastPathSegment();
     if (filename == null) {
       return FileTypes.UNKNOWN;

libraries/common/src/main/java/androidx/media3/common/Format.java

@@ -15,6 +15,8 @@
  */
 package androidx.media3.common;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -25,6 +27,7 @@ import com.google.common.base.Joiner;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -153,14 +156,14 @@ public final class Format implements Bundleable {
     private int rotationDegrees;
     private float pixelWidthHeightRatio;
     @Nullable private byte[] projectionData;
-    @C.StereoMode private int stereoMode;
+    private @C.StereoMode int stereoMode;
     @Nullable private ColorInfo colorInfo;
 
     // Audio specific.
 
     private int channelCount;
     private int sampleRate;
-    @C.PcmEncoding private int pcmEncoding;
+    private @C.PcmEncoding int pcmEncoding;
     private int encoderDelay;
     private int encoderPadding;
 
@@ -170,7 +173,7 @@ public final class Format implements Bundleable {
 
     // Provided by the source.
 
-    @C.CryptoType private int cryptoType;
+    private @C.CryptoType int cryptoType;
 
     /** Creates a new instance with default values. */
     public Builder() {
@@ -724,7 +727,7 @@ public final class Format implements Bundleable {
    * modes are {@link C#STEREO_MODE_MONO}, {@link C#STEREO_MODE_TOP_BOTTOM}, {@link
    * C#STEREO_MODE_LEFT_RIGHT}, {@link C#STEREO_MODE_STEREO_MESH}.
    */
-  @UnstableApi @C.StereoMode public final int stereoMode;
+  @UnstableApi public final @C.StereoMode int stereoMode;
   /** The color metadata associated with the video, or null if not applicable. */
   @UnstableApi @Nullable public final ColorInfo colorInfo;
 
@@ -735,7 +738,7 @@ public final class Format implements Bundleable {
   /** The audio sampling rate in Hz, or {@link #NO_VALUE} if unknown or not applicable. */
   public final int sampleRate;
   /** The {@link C.PcmEncoding} for PCM audio. Set to {@link #NO_VALUE} for other media types. */
-  @UnstableApi @C.PcmEncoding public final int pcmEncoding;
+  @UnstableApi public final @C.PcmEncoding int pcmEncoding;
   /**
    * The number of frames to trim from the start of the decoded audio stream, or 0 if not
    * applicable.
@@ -759,14 +762,16 @@ public final class Format implements Bundleable {
    * {@link #drmInitData} is non-null, but may be {@link C#CRYPTO_TYPE_UNSUPPORTED} to indicate that
    * the samples are encrypted using an unsupported crypto type.
    */
-  @UnstableApi @C.CryptoType public final int cryptoType;
+  @UnstableApi public final @C.CryptoType int cryptoType;
 
   // Lazily initialized hashcode.
   private int hashCode;
 
   // Video.
 
-  /** @deprecated Use {@link Format.Builder}. */
+  /**
+   * @deprecated Use {@link Format.Builder}.
+   */
   @UnstableApi
   @Deprecated
   public static Format createVideoSampleFormat(
@@ -795,7 +800,9 @@ public final class Format implements Bundleable {
         .build();
   }
 
-  /** @deprecated Use {@link Format.Builder}. */
+  /**
+   * @deprecated Use {@link Format.Builder}.
+   */
   @UnstableApi
   @Deprecated
   public static Format createVideoSampleFormat(
@@ -830,7 +837,9 @@ public final class Format implements Bundleable {
 
   // Audio.
 
-  /** @deprecated Use {@link Format.Builder}. */
+  /**
+   * @deprecated Use {@link Format.Builder}.
+   */
   @UnstableApi
   @Deprecated
   public static Format createAudioSampleFormat(
@@ -861,7 +870,9 @@ public final class Format implements Bundleable {
         .build();
   }
 
-  /** @deprecated Use {@link Format.Builder}. */
+  /**
+   * @deprecated Use {@link Format.Builder}.
+   */
   @UnstableApi
   @Deprecated
   public static Format createAudioSampleFormat(
@@ -896,7 +907,9 @@ public final class Format implements Bundleable {
 
   // Generic.
 
-  /** @deprecated Use {@link Format.Builder}. */
+  /**
+   * @deprecated Use {@link Format.Builder}.
+   */
   @UnstableApi
   @Deprecated
   public static Format createContainerFormat(
@@ -923,7 +936,9 @@ public final class Format implements Bundleable {
         .build();
   }
 
-  /** @deprecated Use {@link Format.Builder}. */
+  /**
+   * @deprecated Use {@link Format.Builder}.
+   */
   @UnstableApi
   @Deprecated
   public static Format createSampleFormat(@Nullable String id, @Nullable String sampleMimeType) {
@@ -983,28 +998,36 @@ public final class Format implements Bundleable {
     return new Builder(this);
   }
 
-  /** @deprecated Use {@link #buildUpon()} and {@link Builder#setMaxInputSize(int)}. */
+  /**
+   * @deprecated Use {@link #buildUpon()} and {@link Builder#setMaxInputSize(int)}.
+   */
   @UnstableApi
   @Deprecated
   public Format copyWithMaxInputSize(int maxInputSize) {
     return buildUpon().setMaxInputSize(maxInputSize).build();
   }
 
-  /** @deprecated Use {@link #buildUpon()} and {@link Builder#setSubsampleOffsetUs(long)}. */
+  /**
+   * @deprecated Use {@link #buildUpon()} and {@link Builder#setSubsampleOffsetUs(long)}.
+   */
   @UnstableApi
   @Deprecated
   public Format copyWithSubsampleOffsetUs(long subsampleOffsetUs) {
     return buildUpon().setSubsampleOffsetUs(subsampleOffsetUs).build();
   }
 
-  /** @deprecated Use {@link #buildUpon()} and {@link Builder#setLabel(String)} . */
+  /**
+   * @deprecated Use {@link #buildUpon()} and {@link Builder#setLabel(String)} .
+   */
   @UnstableApi
   @Deprecated
   public Format copyWithLabel(@Nullable String label) {
     return buildUpon().setLabel(label).build();
   }
 
-  /** @deprecated Use {@link #withManifestFormatInfo(Format)}. */
+  /**
+   * @deprecated Use {@link #withManifestFormatInfo(Format)}.
+   */
   @UnstableApi
   @Deprecated
   public Format copyWithManifestFormatInfo(Format manifestFormat) {
@@ -1089,21 +1112,27 @@ public final class Format implements Bundleable {
     return buildUpon().setEncoderDelay(encoderDelay).setEncoderPadding(encoderPadding).build();
   }
 
-  /** @deprecated Use {@link #buildUpon()} and {@link Builder#setFrameRate(float)}. */
+  /**
+   * @deprecated Use {@link #buildUpon()} and {@link Builder#setFrameRate(float)}.
+   */
   @UnstableApi
   @Deprecated
   public Format copyWithFrameRate(float frameRate) {
     return buildUpon().setFrameRate(frameRate).build();
   }
 
-  /** @deprecated Use {@link #buildUpon()} and {@link Builder#setDrmInitData(DrmInitData)}. */
+  /**
+   * @deprecated Use {@link #buildUpon()} and {@link Builder#setDrmInitData(DrmInitData)}.
+   */
   @UnstableApi
   @Deprecated
   public Format copyWithDrmInitData(@Nullable DrmInitData drmInitData) {
     return buildUpon().setDrmInitData(drmInitData).build();
   }
 
-  /** @deprecated Use {@link #buildUpon()} and {@link Builder#setMetadata(Metadata)}. */
+  /**
+   * @deprecated Use {@link #buildUpon()} and {@link Builder#setMetadata(Metadata)}.
+   */
   @UnstableApi
   @Deprecated
   public Format copyWithMetadata(@Nullable Metadata metadata) {
@@ -1417,6 +1446,7 @@ public final class Format implements Bundleable {
   // Bundleable implementation.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_ID,
     FIELD_LABEL,

libraries/common/src/main/java/androidx/media3/common/HeartRating.java

@@ -16,6 +16,7 @@
 package androidx.media3.common;
 
 import static androidx.media3.common.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.IntDef;
@@ -25,6 +26,7 @@ import com.google.common.base.Objects;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * A rating expressed as "heart" or "no heart". It can be used to indicate whether the content is a
@@ -77,10 +79,11 @@ public final class HeartRating extends Rating {
 
   // Bundleable implementation.
 
-  @RatingType private static final int TYPE = RATING_TYPE_HEART;
+  private static final @RatingType int TYPE = RATING_TYPE_HEART;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE, FIELD_RATED, FIELD_IS_HEART})
   private @interface FieldNumber {}
 
@@ -102,7 +105,7 @@ public final class HeartRating extends Rating {
 
   private static HeartRating fromBundle(Bundle bundle) {
     checkArgument(
-        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_DEFAULT)
+        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_UNSET)
             == TYPE);
     boolean isRated = bundle.getBoolean(keyForField(FIELD_RATED), /* defaultValue= */ false);
     return isRated

libraries/common/src/main/java/androidx/media3/common/MediaItem.java

@@ -17,6 +17,7 @@ package androidx.media3.common;
 
 import static androidx.media3.common.util.Assertions.checkNotNull;
 import static androidx.media3.common.util.Assertions.checkState;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import android.os.Bundle;
@@ -31,6 +32,7 @@ import com.google.common.collect.ImmutableMap;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -710,7 +712,9 @@ public final class MediaItem implements Bundleable {
     /** The UUID of the protection scheme. */
     public final UUID scheme;
 
-    /** @deprecated Use {@link #scheme} instead. */
+    /**
+     * @deprecated Use {@link #scheme} instead.
+     */
     @UnstableApi @Deprecated public final UUID uuid;
 
     /**
@@ -719,7 +723,9 @@ public final class MediaItem implements Bundleable {
      */
     @Nullable public final Uri licenseUri;
 
-    /** @deprecated Use {@link #licenseRequestHeaders} instead. */
+    /**
+     * @deprecated Use {@link #licenseRequestHeaders} instead.
+     */
     @UnstableApi @Deprecated public final ImmutableMap<String, String> requestHeaders;
 
     /** The headers to attach to requests sent to the DRM license server. */
@@ -740,7 +746,9 @@ public final class MediaItem implements Bundleable {
      */
     public final boolean forceDefaultLicenseUri;
 
-    /** @deprecated Use {@link #forcedSessionTrackTypes}. */
+    /**
+     * @deprecated Use {@link #forcedSessionTrackTypes}.
+     */
     @UnstableApi @Deprecated public final ImmutableList<@C.TrackType Integer> sessionForClearTypes;
     /**
      * The types of tracks for which to always use a DRM session even if the content is unencrypted.
@@ -927,7 +935,9 @@ public final class MediaItem implements Bundleable {
 
     /** Optional subtitles to be sideloaded. */
     public final ImmutableList<SubtitleConfiguration> subtitleConfigurations;
-    /** @deprecated Use {@link #subtitleConfigurations} instead. */
+    /**
+     * @deprecated Use {@link #subtitleConfigurations} instead.
+     */
     @UnstableApi @Deprecated public final List<Subtitle> subtitles;
 
     /**
@@ -996,7 +1006,9 @@ public final class MediaItem implements Bundleable {
     }
   }
 
-  /** @deprecated Use {@link LocalConfiguration}. */
+  /**
+   * @deprecated Use {@link LocalConfiguration}.
+   */
   @UnstableApi
   @Deprecated
   public static final class PlaybackProperties extends LocalConfiguration {
@@ -1158,7 +1170,9 @@ public final class MediaItem implements Bundleable {
           builder.maxPlaybackSpeed);
     }
 
-    /** @deprecated Use {@link Builder} instead. */
+    /**
+     * @deprecated Use {@link Builder} instead.
+     */
     @UnstableApi
     @Deprecated
     public LiveConfiguration(
@@ -1210,6 +1224,7 @@ public final class MediaItem implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_TARGET_OFFSET_MS,
       FIELD_MIN_OFFSET_MS,
@@ -1424,19 +1439,25 @@ public final class MediaItem implements Bundleable {
     }
   }
 
-  /** @deprecated Use {@link MediaItem.SubtitleConfiguration} instead */
+  /**
+   * @deprecated Use {@link MediaItem.SubtitleConfiguration} instead
+   */
   @UnstableApi
   @Deprecated
   public static final class Subtitle extends SubtitleConfiguration {
 
-    /** @deprecated Use {@link Builder} instead. */
+    /**
+     * @deprecated Use {@link Builder} instead.
+     */
     @UnstableApi
     @Deprecated
     public Subtitle(Uri uri, String mimeType, @Nullable String language) {
       this(uri, mimeType, language, /* selectionFlags= */ 0);
     }
 
-    /** @deprecated Use {@link Builder} instead. */
+    /**
+     * @deprecated Use {@link Builder} instead.
+     */
     @UnstableApi
     @Deprecated
     public Subtitle(
@@ -1444,7 +1465,9 @@ public final class MediaItem implements Bundleable {
       this(uri, mimeType, language, selectionFlags, /* roleFlags= */ 0, /* label= */ null);
     }
 
-    /** @deprecated Use {@link Builder} instead. */
+    /**
+     * @deprecated Use {@link Builder} instead.
+     */
     @UnstableApi
     @Deprecated
     public Subtitle(
@@ -1547,7 +1570,9 @@ public final class MediaItem implements Bundleable {
         return buildClippingProperties();
       }
 
-      /** @deprecated Use {@link #build()} instead. */
+      /**
+       * @deprecated Use {@link #build()} instead.
+       */
       @UnstableApi
       @Deprecated
       public ClippingProperties buildClippingProperties() {
@@ -1625,6 +1650,7 @@ public final class MediaItem implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_START_POSITION_MS,
       FIELD_END_POSITION_MS,
@@ -1676,7 +1702,9 @@ public final class MediaItem implements Bundleable {
     }
   }
 
-  /** @deprecated Use {@link ClippingConfiguration} instead. */
+  /**
+   * @deprecated Use {@link ClippingConfiguration} instead.
+   */
   @UnstableApi
   @Deprecated
   public static final class ClippingProperties extends ClippingConfiguration {
@@ -1705,7 +1733,9 @@ public final class MediaItem implements Bundleable {
    * boundaries.
    */
   @Nullable public final LocalConfiguration localConfiguration;
-  /** @deprecated Use {@link #localConfiguration} instead. */
+  /**
+   * @deprecated Use {@link #localConfiguration} instead.
+   */
   @UnstableApi @Deprecated @Nullable public final PlaybackProperties playbackProperties;
 
   /** The live playback configuration. */
@@ -1716,7 +1746,9 @@ public final class MediaItem implements Bundleable {
 
   /** The clipping properties. */
   public final ClippingConfiguration clippingConfiguration;
-  /** @deprecated Use {@link #clippingConfiguration} instead. */
+  /**
+   * @deprecated Use {@link #clippingConfiguration} instead.
+   */
   @UnstableApi @Deprecated public final ClippingProperties clippingProperties;
 
   // Using PlaybackProperties and ClippingProperties until they're deleted.
@@ -1773,6 +1805,7 @@ public final class MediaItem implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_MEDIA_ID,
     FIELD_LIVE_CONFIGURATION,
@@ -1839,7 +1872,7 @@ public final class MediaItem implements Bundleable {
     return new MediaItem(
         mediaId,
         clippingConfiguration,
-        /* playbackProperties= */ null,
+        /* localConfiguration= */ null,
         liveConfiguration,
         mediaMetadata);
   }

libraries/common/src/main/java/androidx/media3/common/MediaMetadata.java

@@ -56,11 +56,11 @@ public final class MediaMetadata implements Bundleable {
     @Nullable private Rating userRating;
     @Nullable private Rating overallRating;
     @Nullable private byte[] artworkData;
-    @Nullable @PictureType private Integer artworkDataType;
+    @Nullable private @PictureType Integer artworkDataType;
     @Nullable private Uri artworkUri;
     @Nullable private Integer trackNumber;
     @Nullable private Integer totalTrackCount;
-    @Nullable @FolderType private Integer folderType;
+    @Nullable private @FolderType Integer folderType;
     @Nullable private Boolean isPlayable;
     @Nullable private Integer recordingYear;
     @Nullable private Integer recordingMonth;
@@ -248,7 +248,9 @@ public final class MediaMetadata implements Bundleable {
       return this;
     }
 
-    /** @deprecated Use {@link #setRecordingYear(Integer)} instead. */
+    /**
+     * @deprecated Use {@link #setRecordingYear(Integer)} instead.
+     */
     @UnstableApi
     @Deprecated
     public Builder setYear(@Nullable Integer year) {
@@ -521,6 +523,8 @@ public final class MediaMetadata implements Bundleable {
    * href="https://www.bluetooth.com/specifications/specs/a-v-remote-control-profile-1-6-2/">Bluetooth
    * AVRCP 1.6.2</a>).
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -559,6 +563,8 @@ public final class MediaMetadata implements Bundleable {
    * <p>Values sourced from the ID3 v2.4 specification (See section 4.14 of
    * https://id3.org/id3v2.4.0-frames).
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -650,7 +656,9 @@ public final class MediaMetadata implements Bundleable {
   @Nullable public final @FolderType Integer folderType;
   /** Optional boolean for media playability. */
   @Nullable public final Boolean isPlayable;
-  /** @deprecated Use {@link #recordingYear} instead. */
+  /**
+   * @deprecated Use {@link #recordingYear} instead.
+   */
   @UnstableApi @Deprecated @Nullable public final Integer year;
   /** Optional year of the recording date. */
   @Nullable public final Integer recordingYear;
@@ -829,6 +837,7 @@ public final class MediaMetadata implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_TITLE,
     FIELD_ARTIST,

libraries/common/src/main/java/androidx/media3/common/Metadata.java

@@ -62,12 +62,16 @@ public final class Metadata implements Parcelable {
 
   private final Entry[] entries;
 
-  /** @param entries The metadata entries. */
+  /**
+   * @param entries The metadata entries.
+   */
   public Metadata(Entry... entries) {
     this.entries = entries;
   }
 
-  /** @param entries The metadata entries. */
+  /**
+   * @param entries The metadata entries.
+   */
   public Metadata(List<? extends Entry> entries) {
     this.entries = entries.toArray(new Entry[0]);
   }

libraries/common/src/main/java/androidx/media3/common/MimeTypes.java

@@ -552,8 +552,7 @@ public final class MimeTypes {
    * @return The corresponding {@link C.Encoding}, or {@link C#ENCODING_INVALID}.
    */
   @UnstableApi
-  @C.Encoding
+  public static @C.Encoding int getEncoding(String mimeType, @Nullable String codec) {
-  public static int getEncoding(String mimeType, @Nullable String codec) {
     switch (mimeType) {
       case MimeTypes.AUDIO_MPEG:
         return C.ENCODING_MP3;
@@ -728,8 +727,7 @@ public final class MimeTypes {
     }
 
     /** Returns the encoding for {@link #audioObjectTypeIndication}. */
-    @C.Encoding
+    public @C.Encoding int getEncoding() {
-    public int getEncoding() {
       // See AUDIO_OBJECT_TYPE_AAC_* constants in AacUtil.
       switch (audioObjectTypeIndication) {
         case 2:

libraries/common/src/main/java/androidx/media3/common/PercentageRating.java

@@ -16,6 +16,7 @@
 package androidx.media3.common;
 
 import static androidx.media3.common.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.FloatRange;
@@ -26,6 +27,7 @@ import com.google.common.base.Objects;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** A rating expressed as a percentage. */
 public final class PercentageRating extends Rating {
@@ -75,10 +77,11 @@ public final class PercentageRating extends Rating {
 
   // Bundleable implementation.
 
-  @RatingType private static final int TYPE = RATING_TYPE_PERCENTAGE;
+  private static final @RatingType int TYPE = RATING_TYPE_PERCENTAGE;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE, FIELD_PERCENT})
   private @interface FieldNumber {}
 
@@ -98,7 +101,7 @@ public final class PercentageRating extends Rating {
 
   private static PercentageRating fromBundle(Bundle bundle) {
     checkArgument(
-        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_DEFAULT)
+        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_UNSET)
             == TYPE);
     float percent = bundle.getFloat(keyForField(FIELD_PERCENT), /* defaultValue= */ RATING_UNSET);
     return percent == RATING_UNSET ? new PercentageRating() : new PercentageRating(percent);

libraries/common/src/main/java/androidx/media3/common/PlaybackException.java

@@ -46,6 +46,8 @@ public class PlaybackException extends Exception implements Bundleable {
    * <p>This list of errors may be extended in future versions, and {@link Player} implementations
    * may define custom error codes.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -408,6 +410,7 @@ public class PlaybackException extends Exception implements Bundleable {
    */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef(
       open = true,
       value = {

libraries/common/src/main/java/androidx/media3/common/PlaybackParameters.java

@@ -15,6 +15,8 @@
  */
 package androidx.media3.common;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.CheckResult;
 import androidx.annotation.FloatRange;
@@ -26,6 +28,7 @@ import androidx.media3.common.util.Util;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** Parameters that apply to playback, including speed setting. */
 public final class PlaybackParameters implements Bundleable {
@@ -121,6 +124,7 @@ public final class PlaybackParameters implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_SPEED, FIELD_PITCH})
   private @interface FieldNumber {}
 

libraries/common/src/main/java/androidx/media3/common/Rating.java

@@ -15,12 +15,15 @@
  */
 package androidx.media3.common;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.IntDef;
 import androidx.media3.common.util.UnstableApi;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * A rating for media content. The style of a rating can be one of {@link HeartRating}, {@link
@@ -41,8 +44,9 @@ public abstract class Rating implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
-    RATING_TYPE_DEFAULT,
+    RATING_TYPE_UNSET,
     RATING_TYPE_HEART,
     RATING_TYPE_PERCENTAGE,
     RATING_TYPE_STAR,
@@ -50,7 +54,7 @@ public abstract class Rating implements Bundleable {
   })
   /* package */ @interface RatingType {}
 
-  /* package */ static final int RATING_TYPE_DEFAULT = -1;
+  /* package */ static final int RATING_TYPE_UNSET = -1;
   /* package */ static final int RATING_TYPE_HEART = 0;
   /* package */ static final int RATING_TYPE_PERCENTAGE = 1;
   /* package */ static final int RATING_TYPE_STAR = 2;
@@ -58,6 +62,7 @@ public abstract class Rating implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE})
   private @interface FieldNumber {}
 
@@ -69,7 +74,7 @@ public abstract class Rating implements Bundleable {
   private static Rating fromBundle(Bundle bundle) {
     @RatingType
     int ratingType =
-        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_DEFAULT);
+        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_UNSET);
     switch (ratingType) {
       case RATING_TYPE_HEART:
         return HeartRating.CREATOR.fromBundle(bundle);
@@ -79,8 +84,9 @@ public abstract class Rating implements Bundleable {
         return StarRating.CREATOR.fromBundle(bundle);
       case RATING_TYPE_THUMB:
         return ThumbRating.CREATOR.fromBundle(bundle);
+      case RATING_TYPE_UNSET:
       default:
-        throw new IllegalArgumentException("Encountered unknown rating type: " + ratingType);
+        throw new IllegalArgumentException("Unknown RatingType: " + ratingType);
     }
   }
 

libraries/common/src/main/java/androidx/media3/common/StarRating.java

@@ -16,6 +16,7 @@
 package androidx.media3.common;
 
 import static androidx.media3.common.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.FloatRange;
@@ -27,6 +28,7 @@ import com.google.common.base.Objects;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** A rating expressed as a fractional number of stars. */
 public final class StarRating extends Rating {
@@ -101,11 +103,12 @@ public final class StarRating extends Rating {
 
   // Bundleable implementation.
 
-  @RatingType private static final int TYPE = RATING_TYPE_STAR;
+  private static final @RatingType int TYPE = RATING_TYPE_STAR;
   private static final int MAX_STARS_DEFAULT = 5;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE, FIELD_MAX_STARS, FIELD_STAR_RATING})
   private @interface FieldNumber {}
 
@@ -127,7 +130,7 @@ public final class StarRating extends Rating {
 
   private static StarRating fromBundle(Bundle bundle) {
     checkArgument(
-        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_DEFAULT)
+        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_UNSET)
             == TYPE);
     int maxStars =
         bundle.getInt(keyForField(FIELD_MAX_STARS), /* defaultValue= */ MAX_STARS_DEFAULT);

libraries/common/src/main/java/androidx/media3/common/StreamKey.java

@@ -44,7 +44,9 @@ public final class StreamKey implements Comparable<StreamKey>, Parcelable {
   /** The stream index. */
   public final int streamIndex;
 
-  /** @deprecated Use {@link #streamIndex}. */
+  /**
+   * @deprecated Use {@link #streamIndex}.
+   */
   @Deprecated public final int trackIndex;
 
   /**

libraries/common/src/main/java/androidx/media3/common/ThumbRating.java

@@ -16,6 +16,7 @@
 package androidx.media3.common;
 
 import static androidx.media3.common.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.IntDef;
@@ -25,6 +26,7 @@ import com.google.common.base.Objects;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** A rating expressed as "thumbs up" or "thumbs down". */
 public final class ThumbRating extends Rating {
@@ -74,10 +76,11 @@ public final class ThumbRating extends Rating {
 
   // Bundleable implementation.
 
-  @RatingType private static final int TYPE = RATING_TYPE_THUMB;
+  private static final @RatingType int TYPE = RATING_TYPE_THUMB;
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_RATING_TYPE, FIELD_RATED, FIELD_IS_THUMBS_UP})
   private @interface FieldNumber {}
 
@@ -99,7 +102,7 @@ public final class ThumbRating extends Rating {
 
   private static ThumbRating fromBundle(Bundle bundle) {
     checkArgument(
-        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_DEFAULT)
+        bundle.getInt(keyForField(FIELD_RATING_TYPE), /* defaultValue= */ RATING_TYPE_UNSET)
             == TYPE);
     boolean rated = bundle.getBoolean(keyForField(FIELD_RATED), /* defaultValue= */ false);
     return rated

libraries/common/src/main/java/androidx/media3/common/Timeline.java

@@ -20,6 +20,7 @@ import static androidx.media3.common.util.Assertions.checkArgument;
 import static androidx.media3.common.util.Assertions.checkState;
 import static java.lang.Math.max;
 import static java.lang.Math.min;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.net.Uri;
 import android.os.Bundle;
@@ -37,6 +38,7 @@ import com.google.errorprone.annotations.InlineMe;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -167,7 +169,9 @@ public abstract class Timeline implements Bundleable {
      */
     public Object uid;
 
-    /** @deprecated Use {@link #mediaItem} instead. */
+    /**
+     * @deprecated Use {@link #mediaItem} instead.
+     */
     @UnstableApi @Deprecated @Nullable public Object tag;
 
     /** The {@link MediaItem} associated to the window. Not necessarily unique. */
@@ -210,7 +214,9 @@ public abstract class Timeline implements Bundleable {
     /** Whether this window may change when the timeline is updated. */
     public boolean isDynamic;
 
-    /** @deprecated Use {@link #isLive()} instead. */
+    /**
+     * @deprecated Use {@link #isLive()} instead.
+     */
     @UnstableApi @Deprecated public boolean isLive;
 
     /**
@@ -414,6 +420,7 @@ public abstract class Timeline implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_MEDIA_ITEM,
       FIELD_PRESENTATION_START_TIME_MS,
@@ -903,6 +910,7 @@ public abstract class Timeline implements Bundleable {
 
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_WINDOW_INDEX,
       FIELD_DURATION_US,
@@ -1174,7 +1182,9 @@ public abstract class Timeline implements Bundleable {
         == C.INDEX_UNSET;
   }
 
-  /** @deprecated Use {@link #getPeriodPositionUs(Window, Period, int, long)} instead. */
+  /**
+   * @deprecated Use {@link #getPeriodPositionUs(Window, Period, int, long)} instead.
+   */
   @UnstableApi
   @Deprecated
   @InlineMe(replacement = "this.getPeriodPositionUs(window, period, windowIndex, windowPositionUs)")
@@ -1182,7 +1192,9 @@ public abstract class Timeline implements Bundleable {
       Window window, Period period, int windowIndex, long windowPositionUs) {
     return getPeriodPositionUs(window, period, windowIndex, windowPositionUs);
   }
-  /** @deprecated Use {@link #getPeriodPositionUs(Window, Period, int, long, long)} instead. */
+  /**
+   * @deprecated Use {@link #getPeriodPositionUs(Window, Period, int, long, long)} instead.
+   */
   @UnstableApi
   @Deprecated
   @Nullable
@@ -1362,6 +1374,7 @@ public abstract class Timeline implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_WINDOWS,
     FIELD_PERIODS,

libraries/common/src/main/java/androidx/media3/common/TrackGroup.java

@@ -16,6 +16,7 @@
 package androidx.media3.common;
 
 import static androidx.media3.common.util.Assertions.checkArgument;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.CheckResult;
@@ -29,6 +30,7 @@ import com.google.common.collect.Lists;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Arrays;
 import java.util.List;
 
@@ -41,6 +43,8 @@ public final class TrackGroup implements Bundleable {
   public final int length;
   /** An identifier for the track group. */
   public final String id;
+  /** The type of tracks in the group. */
+  public final @C.TrackType int type;
 
   private final Format[] formats;
 
@@ -69,6 +73,11 @@ public final class TrackGroup implements Bundleable {
     this.id = id;
     this.formats = formats;
     this.length = formats.length;
+    @C.TrackType int type = MimeTypes.getTrackType(formats[0].sampleMimeType);
+    if (type == C.TRACK_TYPE_UNKNOWN) {
+      type = MimeTypes.getTrackType(formats[0].containerMimeType);
+    }
+    this.type = type;
     verifyCorrectness();
   }
 
@@ -132,13 +141,14 @@ public final class TrackGroup implements Bundleable {
       return false;
     }
     TrackGroup other = (TrackGroup) obj;
-    return length == other.length && id.equals(other.id) && Arrays.equals(formats, other.formats);
+    return id.equals(other.id) && Arrays.equals(formats, other.formats);
   }
 
   // Bundleable implementation.
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({FIELD_FORMATS, FIELD_ID})
   private @interface FieldNumber {}
 
@@ -204,8 +214,7 @@ public final class TrackGroup implements Bundleable {
     return language == null || language.equals(C.LANGUAGE_UNDETERMINED) ? "" : language;
   }
 
-  @C.RoleFlags
+  private static @C.RoleFlags int normalizeRoleFlags(@C.RoleFlags int roleFlags) {
-  private static int normalizeRoleFlags(@C.RoleFlags int roleFlags) {
     // Treat trick-play and non-trick-play formats as compatible.
     return roleFlags | C.ROLE_FLAG_TRICK_PLAY;
   }

libraries/common/src/main/java/androidx/media3/common/TrackGroupArray.java

@@ -15,6 +15,8 @@
  */
 package androidx.media3.common;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -25,6 +27,7 @@ import com.google.common.collect.ImmutableList;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.List;
 
 /** An immutable array of {@link TrackGroup}s. */
@@ -105,6 +108,7 @@ public final class TrackGroupArray implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_TRACK_GROUPS,
   })

libraries/common/src/main/java/androidx/media3/common/TrackSelection.java

@@ -15,10 +15,11 @@
  */
 package androidx.media3.common;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import androidx.annotation.IntDef;
 import androidx.media3.common.util.UnstableApi;
 import java.lang.annotation.Documented;
-import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
@@ -38,7 +39,7 @@ public interface TrackSelection {
    */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
-  @Target({ElementType.TYPE_USE})
+  @Target(TYPE_USE)
   @IntDef(
       open = true,
       value = {TYPE_UNSET})

libraries/common/src/main/java/androidx/media3/common/TrackSelectionArray.java

@@ -32,7 +32,9 @@ public final class TrackSelectionArray {
   // Lazily initialized hashcode.
   private int hashCode;
 
-  /** @param trackSelections The selections. Must not be null, but may contain null elements. */
+  /**
+   * @param trackSelections The selections. Must not be null, but may contain null elements.
+   */
   public TrackSelectionArray(@NullableType TrackSelection... trackSelections) {
     this.trackSelections = trackSelections;
     this.length = trackSelections.length;

libraries/common/src/main/java/androidx/media3/common/TrackSelectionOverride.java

@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package androidx.media3.common;
+
+import static androidx.media3.common.util.Assertions.checkNotNull;
+import static java.util.Collections.max;
+import static java.util.Collections.min;
+
+import android.os.Bundle;
+import androidx.annotation.IntDef;
+import androidx.annotation.Nullable;
+import androidx.media3.common.util.UnstableApi;
+import com.google.common.collect.ImmutableList;
+import com.google.common.primitives.Ints;
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.List;
+
+/**
+ * Forces the selection of {@link #trackIndices} for a {@link TrackGroup}.
+ *
+ * <p>If multiple tracks in {@link #trackGroup} are overridden, as many as possible will be selected
+ * depending on the player capabilities.
+ *
+ * <p>If {@link #trackIndices} is empty, no tracks from {@link #trackGroup} will be played. This is
+ * similar to {@link TrackSelectionParameters#disabledTrackTypes}, except it will only affect the
+ * playback of the associated {@link TrackGroup}. For example, if the only {@link
+ * C#TRACK_TYPE_VIDEO} {@link TrackGroup} is associated with no tracks, no video will play until the
+ * next video starts.
+ */
+public final class TrackSelectionOverride implements Bundleable {
+
+  /** The {@link TrackGroup} whose {@link #trackIndices} are forced to be selected. */
+  public final TrackGroup trackGroup;
+  /** The indices of tracks in a {@link TrackGroup} to be selected. */
+  public final ImmutableList<Integer> trackIndices;
+
+  @Documented
+  @Retention(RetentionPolicy.SOURCE)
+  @IntDef({
+    FIELD_TRACK_GROUP,
+    FIELD_TRACKS,
+  })
+  private @interface FieldNumber {}
+
+  private static final int FIELD_TRACK_GROUP = 0;
+  private static final int FIELD_TRACKS = 1;
+
+  /** Constructs an instance to force all tracks in {@code trackGroup} to be selected. */
+  public TrackSelectionOverride(TrackGroup trackGroup) {
+    this.trackGroup = trackGroup;
+    ImmutableList.Builder<Integer> builder = new ImmutableList.Builder<>();
+    for (int i = 0; i < trackGroup.length; i++) {
+      builder.add(i);
+    }
+    this.trackIndices = builder.build();
+  }
+
+  /**
+   * Constructs an instance to force {@code trackIndices} in {@code trackGroup} to be selected.
+   *
+   * @param trackGroup The {@link TrackGroup} for which to override the track selection.
+   * @param trackIndices The indices of the tracks in the {@link TrackGroup} to select.
+   */
+  public TrackSelectionOverride(TrackGroup trackGroup, List<Integer> trackIndices) {
+    if (!trackIndices.isEmpty()) {
+      if (min(trackIndices) < 0 || max(trackIndices) >= trackGroup.length) {
+        throw new IndexOutOfBoundsException();
+      }
+    }
+    this.trackGroup = trackGroup;
+    this.trackIndices = ImmutableList.copyOf(trackIndices);
+  }
+
+  /** Returns the {@link C.TrackType} of the overridden track group. */
+  public @C.TrackType int getTrackType() {
+    return trackGroup.type;
+  }
+
+  @Override
+  public boolean equals(@Nullable Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (obj == null || getClass() != obj.getClass()) {
+      return false;
+    }
+    TrackSelectionOverride that = (TrackSelectionOverride) obj;
+    return trackGroup.equals(that.trackGroup) && trackIndices.equals(that.trackIndices);
+  }
+
+  @Override
+  public int hashCode() {
+    return trackGroup.hashCode() + 31 * trackIndices.hashCode();
+  }
+
+  // Bundleable implementation
+
+  @UnstableApi
+  @Override
+  public Bundle toBundle() {
+    Bundle bundle = new Bundle();
+    bundle.putBundle(keyForField(FIELD_TRACK_GROUP), trackGroup.toBundle());
+    bundle.putIntArray(keyForField(FIELD_TRACKS), Ints.toArray(trackIndices));
+    return bundle;
+  }
+
+  /** Object that can restore {@code TrackSelectionOverride} from a {@link Bundle}. */
+  @UnstableApi
+  public static final Creator<TrackSelectionOverride> CREATOR =
+      bundle -> {
+        @Nullable Bundle trackGroupBundle = bundle.getBundle(keyForField(FIELD_TRACK_GROUP));
+        checkNotNull(trackGroupBundle); // Mandatory as there are no reasonable defaults.
+        TrackGroup trackGroup = TrackGroup.CREATOR.fromBundle(trackGroupBundle);
+        @Nullable int[] tracks = bundle.getIntArray(keyForField(FIELD_TRACKS));
+        if (tracks == null) {
+          return new TrackSelectionOverride(trackGroup);
+        }
+        return new TrackSelectionOverride(trackGroup, Ints.asList(tracks));
+      };
+
+  private static String keyForField(@FieldNumber int field) {
+    return Integer.toString(field, Character.MAX_RADIX);
+  }
+}

libraries/common/src/main/java/androidx/media3/common/TrackSelectionOverrides.java

@@ -1,309 +0,0 @@
-/*
- * Copyright (C) 2021 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package androidx.media3.common;
-
-import static androidx.media3.common.util.Assertions.checkNotNull;
-import static androidx.media3.common.util.BundleableUtil.fromBundleNullableList;
-import static androidx.media3.common.util.BundleableUtil.toBundleArrayList;
-import static java.util.Collections.max;
-import static java.util.Collections.min;
-
-import android.os.Bundle;
-import androidx.annotation.IntDef;
-import androidx.annotation.Nullable;
-import androidx.media3.common.util.UnstableApi;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.primitives.Ints;
-import java.lang.annotation.Documented;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-
-/**
- * Forces the selection of the specified tracks in {@link TrackGroup TrackGroups}.
- *
- * <p>Each {@link TrackSelectionOverride override} only affects the selection of tracks of that
- * {@link C.TrackType type}. For example overriding the selection of an {@link C#TRACK_TYPE_AUDIO
- * audio} {@link TrackGroup} will not affect the selection of {@link C#TRACK_TYPE_VIDEO video} or
- * {@link C#TRACK_TYPE_TEXT text} tracks.
- *
- * <p>If multiple {@link TrackGroup TrackGroups} of the same {@link C.TrackType} are overridden,
- * which tracks will be selected depend on the player capabilities. For example, by default {@code
- * ExoPlayer} doesn't support selecting more than one {@link TrackGroup} per {@link C.TrackType}.
- *
- * <p>Overrides of {@link TrackGroup} that are not currently available are ignored. For example,
- * when the player transitions to the next {@link MediaItem} in a playlist, any overrides of the
- * previous {@link MediaItem} are ignored.
- *
- * @see TrackSelectionParameters#trackSelectionOverrides
- */
-public final class TrackSelectionOverrides implements Bundleable {
-
-  /** Builder for {@link TrackSelectionOverrides}. */
-  public static final class Builder {
-    // Cannot use ImmutableMap.Builder as it doesn't support removing entries.
-    private final HashMap<TrackGroup, TrackSelectionOverride> overrides;
-
-    /** Creates an builder with no {@link TrackSelectionOverride}. */
-    public Builder() {
-      overrides = new HashMap<>();
-    }
-
-    private Builder(Map<TrackGroup, TrackSelectionOverride> overrides) {
-      this.overrides = new HashMap<>(overrides);
-    }
-
-    /** Adds an override for the provided {@link TrackGroup}. */
-    @UnstableApi
-    public Builder addOverride(TrackSelectionOverride override) {
-      overrides.put(override.trackGroup, override);
-      return this;
-    }
-
-    /** Removes the override associated with the provided {@link TrackGroup} if present. */
-    @UnstableApi
-    public Builder clearOverride(TrackGroup trackGroup) {
-      overrides.remove(trackGroup);
-      return this;
-    }
-
-    /** Set the override for the type of the provided {@link TrackGroup}. */
-    public Builder setOverrideForType(TrackSelectionOverride override) {
-      clearOverridesOfType(override.getTrackType());
-      overrides.put(override.trackGroup, override);
-      return this;
-    }
-
-    /**
-     * Remove any override associated with {@link TrackGroup TrackGroups} of type {@code trackType}.
-     */
-    public Builder clearOverridesOfType(@C.TrackType int trackType) {
-      for (Iterator<TrackSelectionOverride> it = overrides.values().iterator(); it.hasNext(); ) {
-        TrackSelectionOverride trackSelectionOverride = it.next();
-        if (trackSelectionOverride.getTrackType() == trackType) {
-          it.remove();
-        }
-      }
-      return this;
-    }
-
-    /** Returns a new {@link TrackSelectionOverrides} instance with the current builder values. */
-    public TrackSelectionOverrides build() {
-      return new TrackSelectionOverrides(overrides);
-    }
-  }
-
-  /**
-   * Forces the selection of {@link #trackIndices} for a {@link TrackGroup}.
-   *
-   * <p>If multiple tracks in {@link #trackGroup} are overridden, as many as possible will be
-   * selected depending on the player capabilities.
-   *
-   * <p>If {@link #trackIndices} is empty, no tracks from {@link #trackGroup} will be played. This
-   * is similar to {@link TrackSelectionParameters#disabledTrackTypes}, except it will only affect
-   * the playback of the associated {@link TrackGroup}. For example, if the only {@link
-   * C#TRACK_TYPE_VIDEO} {@link TrackGroup} is associated with no tracks, no video will play until
-   * the next video starts.
-   */
-  public static final class TrackSelectionOverride implements Bundleable {
-
-    /** The {@link TrackGroup} whose {@link #trackIndices} are forced to be selected. */
-    public final TrackGroup trackGroup;
-    /** The indices of tracks in a {@link TrackGroup} to be selected. */
-    public final ImmutableList<Integer> trackIndices;
-
-    /** Constructs an instance to force all tracks in {@code trackGroup} to be selected. */
-    public TrackSelectionOverride(TrackGroup trackGroup) {
-      this.trackGroup = trackGroup;
-      ImmutableList.Builder<Integer> builder = new ImmutableList.Builder<>();
-      for (int i = 0; i < trackGroup.length; i++) {
-        builder.add(i);
-      }
-      this.trackIndices = builder.build();
-    }
-
-    /**
-     * Constructs an instance to force {@code trackIndices} in {@code trackGroup} to be selected.
-     *
-     * @param trackGroup The {@link TrackGroup} for which to override the track selection.
-     * @param trackIndices The indices of the tracks in the {@link TrackGroup} to select.
-     */
-    public TrackSelectionOverride(TrackGroup trackGroup, List<Integer> trackIndices) {
-      if (!trackIndices.isEmpty()) {
-        if (min(trackIndices) < 0 || max(trackIndices) >= trackGroup.length) {
-          throw new IndexOutOfBoundsException();
-        }
-      }
-      this.trackGroup = trackGroup;
-      this.trackIndices = ImmutableList.copyOf(trackIndices);
-    }
-
-    @Override
-    public boolean equals(@Nullable Object obj) {
-      if (this == obj) {
-        return true;
-      }
-      if (obj == null || getClass() != obj.getClass()) {
-        return false;
-      }
-      TrackSelectionOverride that = (TrackSelectionOverride) obj;
-      return trackGroup.equals(that.trackGroup) && trackIndices.equals(that.trackIndices);
-    }
-
-    @Override
-    public int hashCode() {
-      return trackGroup.hashCode() + 31 * trackIndices.hashCode();
-    }
-
-    /** Returns the {@link C.TrackType} of the overriden track group. */
-    public @C.TrackType int getTrackType() {
-      return MimeTypes.getTrackType(trackGroup.getFormat(0).sampleMimeType);
-    }
-
-    // Bundleable implementation
-
-    @Documented
-    @Retention(RetentionPolicy.SOURCE)
-    @IntDef({
-      FIELD_TRACK_GROUP,
-      FIELD_TRACKS,
-    })
-    private @interface FieldNumber {}
-
-    private static final int FIELD_TRACK_GROUP = 0;
-    private static final int FIELD_TRACKS = 1;
-
-    @UnstableApi
-    @Override
-    public Bundle toBundle() {
-      Bundle bundle = new Bundle();
-      bundle.putBundle(keyForField(FIELD_TRACK_GROUP), trackGroup.toBundle());
-      bundle.putIntArray(keyForField(FIELD_TRACKS), Ints.toArray(trackIndices));
-      return bundle;
-    }
-
-    /** Object that can restore {@code TrackSelectionOverride} from a {@link Bundle}. */
-    @UnstableApi
-    public static final Creator<TrackSelectionOverride> CREATOR =
-        bundle -> {
-          @Nullable Bundle trackGroupBundle = bundle.getBundle(keyForField(FIELD_TRACK_GROUP));
-          checkNotNull(trackGroupBundle); // Mandatory as there are no reasonable defaults.
-          TrackGroup trackGroup = TrackGroup.CREATOR.fromBundle(trackGroupBundle);
-          @Nullable int[] tracks = bundle.getIntArray(keyForField(FIELD_TRACKS));
-          if (tracks == null) {
-            return new TrackSelectionOverride(trackGroup);
-          }
-          return new TrackSelectionOverride(trackGroup, Ints.asList(tracks));
-        };
-
-    private static String keyForField(@FieldNumber int field) {
-      return Integer.toString(field, Character.MAX_RADIX);
-    }
-  }
-
-  /** Empty {@code TrackSelectionOverrides}, where no track selection is overridden. */
-  public static final TrackSelectionOverrides EMPTY =
-      new TrackSelectionOverrides(ImmutableMap.of());
-
-  private final ImmutableMap<TrackGroup, TrackSelectionOverride> overrides;
-
-  private TrackSelectionOverrides(Map<TrackGroup, TrackSelectionOverride> overrides) {
-    this.overrides = ImmutableMap.copyOf(overrides);
-  }
-
-  /** Returns a {@link Builder} initialized with the values of this instance. */
-  public Builder buildUpon() {
-    return new Builder(overrides);
-  }
-
-  /** Returns a list of the {@link TrackSelectionOverride overrides}. */
-  @UnstableApi
-  public ImmutableList<TrackSelectionOverride> asList() {
-    return ImmutableList.copyOf(overrides.values());
-  }
-
-  /**
-   * Returns the {@link TrackSelectionOverride} of the provided {@link TrackGroup} or {@code null}
-   * if there is none.
-   */
-  @Nullable
-  public TrackSelectionOverride getOverride(TrackGroup trackGroup) {
-    return overrides.get(trackGroup);
-  }
-
-  @Override
-  public boolean equals(@Nullable Object obj) {
-    if (this == obj) {
-      return true;
-    }
-    if (obj == null || getClass() != obj.getClass()) {
-      return false;
-    }
-    TrackSelectionOverrides that = (TrackSelectionOverrides) obj;
-    return overrides.equals(that.overrides);
-  }
-
-  @Override
-  public int hashCode() {
-    return overrides.hashCode();
-  }
-
-  // Bundleable implementation
-
-  @Documented
-  @Retention(RetentionPolicy.SOURCE)
-  @IntDef({
-    FIELD_OVERRIDES,
-  })
-  private @interface FieldNumber {}
-
-  private static final int FIELD_OVERRIDES = 0;
-
-  @UnstableApi
-  @Override
-  public Bundle toBundle() {
-    Bundle bundle = new Bundle();
-    bundle.putParcelableArrayList(
-        keyForField(FIELD_OVERRIDES), toBundleArrayList(overrides.values()));
-    return bundle;
-  }
-
-  /** Object that can restore {@code TrackSelectionOverrides} from a {@link Bundle}. */
-  @UnstableApi
-  public static final Creator<TrackSelectionOverrides> CREATOR =
-      bundle -> {
-        List<TrackSelectionOverride> trackSelectionOverrides =
-            fromBundleNullableList(
-                TrackSelectionOverride.CREATOR,
-                bundle.getParcelableArrayList(keyForField(FIELD_OVERRIDES)),
-                ImmutableList.of());
-        ImmutableMap.Builder<TrackGroup, TrackSelectionOverride> builder =
-            new ImmutableMap.Builder<>();
-        for (int i = 0; i < trackSelectionOverrides.size(); i++) {
-          TrackSelectionOverride trackSelectionOverride = trackSelectionOverrides.get(i);
-          builder.put(trackSelectionOverride.trackGroup, trackSelectionOverride);
-        }
-        return new TrackSelectionOverrides(builder.build());
-      };
-
-  private static String keyForField(@FieldNumber int field) {
-    return Integer.toString(field, Character.MAX_RADIX);
-  }
-}

libraries/common/src/main/java/androidx/media3/common/TrackSelectionParameters.java

@@ -16,7 +16,8 @@
 package androidx.media3.common;
 
 import static androidx.media3.common.util.Assertions.checkNotNull;
-import static androidx.media3.common.util.BundleableUtil.fromNullableBundle;
+import static androidx.media3.common.util.BundleableUtil.fromBundleNullableList;
+import static androidx.media3.common.util.BundleableUtil.toBundleArrayList;
 import static com.google.common.base.MoreObjects.firstNonNull;
 
 import android.content.Context;
@@ -30,11 +31,15 @@ import androidx.annotation.RequiresApi;
 import androidx.media3.common.util.UnstableApi;
 import androidx.media3.common.util.Util;
 import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.primitives.Ints;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
 import java.util.Locale;
 import java.util.Set;
 import org.checkerframework.checker.initialization.qual.UnknownInitialization;
@@ -93,7 +98,7 @@ public class TrackSelectionParameters implements Bundleable {
     // General
     private boolean forceLowestBitrate;
     private boolean forceHighestSupportedBitrate;
-    private TrackSelectionOverrides trackSelectionOverrides;
+    private HashMap<TrackGroup, TrackSelectionOverride> overrides;
     private ImmutableSet<@C.TrackType Integer> disabledTrackTypes;
 
     /**
@@ -126,7 +131,7 @@ public class TrackSelectionParameters implements Bundleable {
       // General
       forceLowestBitrate = false;
       forceHighestSupportedBitrate = false;
-      trackSelectionOverrides = TrackSelectionOverrides.EMPTY;
+      overrides = new HashMap<>();
       disabledTrackTypes = ImmutableSet.of();
     }
 
@@ -234,11 +239,16 @@ public class TrackSelectionParameters implements Bundleable {
           bundle.getBoolean(
               keyForField(FIELD_FORCE_HIGHEST_SUPPORTED_BITRATE),
               DEFAULT_WITHOUT_CONTEXT.forceHighestSupportedBitrate);
-      trackSelectionOverrides =
+      overrides = new HashMap<>();
-          fromNullableBundle(
+      List<TrackSelectionOverride> overrideList =
-              TrackSelectionOverrides.CREATOR,
+          fromBundleNullableList(
-              bundle.getBundle(keyForField(FIELD_SELECTION_OVERRIDE_KEYS)),
+              TrackSelectionOverride.CREATOR,
-              TrackSelectionOverrides.EMPTY);
+              bundle.getParcelableArrayList(keyForField(FIELD_SELECTION_OVERRIDES)),
+              ImmutableList.of());
+      for (int i = 0; i < overrideList.size(); i++) {
+        TrackSelectionOverride override = overrideList.get(i);
+        overrides.put(override.trackGroup, override);
+      }
       disabledTrackTypes =
           ImmutableSet.copyOf(
               Ints.asList(
@@ -252,7 +262,7 @@ public class TrackSelectionParameters implements Bundleable {
       "preferredAudioLanguages",
       "preferredAudioMimeTypes",
       "preferredTextLanguages",
-      "trackSelectionOverrides",
+      "overrides",
       "disabledTrackTypes",
     })
     private void init(@UnknownInitialization Builder this, TrackSelectionParameters parameters) {
@@ -283,8 +293,8 @@ public class TrackSelectionParameters implements Bundleable {
       // General
       forceLowestBitrate = parameters.forceLowestBitrate;
       forceHighestSupportedBitrate = parameters.forceHighestSupportedBitrate;
-      trackSelectionOverrides = parameters.trackSelectionOverrides;
       disabledTrackTypes = parameters.disabledTrackTypes;
+      overrides = new HashMap<>(parameters.overrides);
     }
 
     /** Overrides the value of the builder with the value of {@link TrackSelectionParameters}. */
@@ -644,14 +654,42 @@ public class TrackSelectionParameters implements Bundleable {
       return this;
     }
 
+    /** Adds an override for the provided {@link TrackGroup}. */
+    public Builder addOverride(TrackSelectionOverride override) {
+      overrides.put(override.trackGroup, override);
+      return this;
+    }
+
+    /** Removes the override associated with the provided {@link TrackGroup} if present. */
+    public Builder clearOverride(TrackGroup trackGroup) {
+      overrides.remove(trackGroup);
+      return this;
+    }
+
+    /** Set the override for the type of the provided {@link TrackGroup}. */
+    public Builder setOverrideForType(TrackSelectionOverride override) {
+      clearOverridesOfType(override.getTrackType());
+      overrides.put(override.trackGroup, override);
+      return this;
+    }
+
     /**
-     * Sets the selection overrides.
+     * Remove any override associated with {@link TrackGroup TrackGroups} of type {@code trackType}.
-     *
-     * @param trackSelectionOverrides The track selection overrides.
-     * @return This builder.
      */
-    public Builder setTrackSelectionOverrides(TrackSelectionOverrides trackSelectionOverrides) {
+    public Builder clearOverridesOfType(@C.TrackType int trackType) {
-      this.trackSelectionOverrides = trackSelectionOverrides;
+      Iterator<TrackSelectionOverride> it = overrides.values().iterator();
+      while (it.hasNext()) {
+        TrackSelectionOverride override = it.next();
+        if (override.getTrackType() == trackType) {
+          it.remove();
+        }
+      }
+      return this;
+    }
+
+    /** Removes all track overrides. */
+    public Builder clearOverrides() {
+      overrides.clear();
       return this;
     }
 
@@ -858,8 +896,9 @@ public class TrackSelectionParameters implements Bundleable {
    */
   public final boolean forceHighestSupportedBitrate;
 
-  /** Overrides to force tracks to be selected. */
+  /** Overrides to force selection of specific tracks. */
-  public final TrackSelectionOverrides trackSelectionOverrides;
+  public final ImmutableMap<TrackGroup, TrackSelectionOverride> overrides;
+
   /**
    * The track types that are disabled. No track of a disabled type will be selected, thus no track
    * type contained in the set will be played. The default value is that no track type is disabled
@@ -896,7 +935,7 @@ public class TrackSelectionParameters implements Bundleable {
     // General
     this.forceLowestBitrate = builder.forceLowestBitrate;
     this.forceHighestSupportedBitrate = builder.forceHighestSupportedBitrate;
-    this.trackSelectionOverrides = builder.trackSelectionOverrides;
+    this.overrides = ImmutableMap.copyOf(builder.overrides);
     this.disabledTrackTypes = builder.disabledTrackTypes;
   }
 
@@ -941,7 +980,7 @@ public class TrackSelectionParameters implements Bundleable {
         // General
         && forceLowestBitrate == other.forceLowestBitrate
         && forceHighestSupportedBitrate == other.forceHighestSupportedBitrate
-        && trackSelectionOverrides.equals(other.trackSelectionOverrides)
+        && overrides.equals(other.overrides)
         && disabledTrackTypes.equals(other.disabledTrackTypes);
   }
 
@@ -975,7 +1014,7 @@ public class TrackSelectionParameters implements Bundleable {
     // General
     result = 31 * result + (forceLowestBitrate ? 1 : 0);
     result = 31 * result + (forceHighestSupportedBitrate ? 1 : 0);
-    result = 31 * result + trackSelectionOverrides.hashCode();
+    result = 31 * result + overrides.hashCode();
     result = 31 * result + disabledTrackTypes.hashCode();
     return result;
   }
@@ -1007,8 +1046,7 @@ public class TrackSelectionParameters implements Bundleable {
     FIELD_PREFERRED_AUDIO_MIME_TYPES,
     FIELD_FORCE_LOWEST_BITRATE,
     FIELD_FORCE_HIGHEST_SUPPORTED_BITRATE,
-    FIELD_SELECTION_OVERRIDE_KEYS,
+    FIELD_SELECTION_OVERRIDES,
-    FIELD_SELECTION_OVERRIDE_VALUES,
     FIELD_DISABLED_TRACK_TYPE,
     FIELD_PREFERRED_VIDEO_ROLE_FLAGS
   })
@@ -1036,10 +1074,9 @@ public class TrackSelectionParameters implements Bundleable {
   private static final int FIELD_PREFERRED_AUDIO_MIME_TYPES = 20;
   private static final int FIELD_FORCE_LOWEST_BITRATE = 21;
   private static final int FIELD_FORCE_HIGHEST_SUPPORTED_BITRATE = 22;
-  private static final int FIELD_SELECTION_OVERRIDE_KEYS = 23;
+  private static final int FIELD_SELECTION_OVERRIDES = 23;
-  private static final int FIELD_SELECTION_OVERRIDE_VALUES = 24;
+  private static final int FIELD_DISABLED_TRACK_TYPE = 24;
-  private static final int FIELD_DISABLED_TRACK_TYPE = 25;
+  private static final int FIELD_PREFERRED_VIDEO_ROLE_FLAGS = 25;
-  private static final int FIELD_PREFERRED_VIDEO_ROLE_FLAGS = 26;
 
   @UnstableApi
   @Override
@@ -1083,8 +1120,8 @@ public class TrackSelectionParameters implements Bundleable {
     bundle.putBoolean(keyForField(FIELD_FORCE_LOWEST_BITRATE), forceLowestBitrate);
     bundle.putBoolean(
         keyForField(FIELD_FORCE_HIGHEST_SUPPORTED_BITRATE), forceHighestSupportedBitrate);
-    bundle.putBundle(
+    bundle.putParcelableArrayList(
-        keyForField(FIELD_SELECTION_OVERRIDE_KEYS), trackSelectionOverrides.toBundle());
+        keyForField(FIELD_SELECTION_OVERRIDES), toBundleArrayList(overrides.values()));
     bundle.putIntArray(keyForField(FIELD_DISABLED_TRACK_TYPE), Ints.toArray(disabledTrackTypes));
 
     return bundle;

libraries/common/src/main/java/androidx/media3/common/TracksInfo.java

@@ -20,6 +20,7 @@ import static androidx.media3.common.util.Assertions.checkNotNull;
 import static androidx.media3.common.util.BundleableUtil.fromBundleNullableList;
 import static androidx.media3.common.util.BundleableUtil.fromNullableBundle;
 import static androidx.media3.common.util.BundleableUtil.toBundleArrayList;
+import static java.lang.annotation.ElementType.TYPE_USE;
 
 import android.os.Bundle;
 import androidx.annotation.IntDef;
@@ -31,79 +32,135 @@ import com.google.common.primitives.Booleans;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.Arrays;
 import java.util.List;
 
-/** Immutable information ({@link TrackGroupInfo}) about tracks. */
+/** Information about groups of tracks. */
 public final class TracksInfo implements Bundleable {
+
   /**
-   * Information about tracks in a {@link TrackGroup}: their {@link C.TrackType}, if their format is
+   * Information about a single group of tracks, including the underlying {@link TrackGroup}, the
-   * supported by the player and if they are selected for playback.
+   * {@link C.TrackType type} of tracks it contains, and the level to which each track is supported
+   * by the player.
    */
   public static final class TrackGroupInfo implements Bundleable {
+
+    /** The number of tracks in the group. */
+    public final int length;
+
     private final TrackGroup trackGroup;
-    @C.FormatSupport private final int[] trackSupport;
+    private final boolean adaptiveSupported;
-    private final @C.TrackType int trackType;
+    private final @C.FormatSupport int[] trackSupport;
     private final boolean[] trackSelected;
 
     /**
      * Constructs a TrackGroupInfo.
      *
      * @param trackGroup The {@link TrackGroup} described.
+     * @param adaptiveSupported Whether adaptive selections containing more than one track in the
+     *     {@code trackGroup} are supported.
      * @param trackSupport The {@link C.FormatSupport} of each track in the {@code trackGroup}.
-     * @param trackType The {@link C.TrackType} of the tracks in the {@code trackGroup}.
+     * @param tracksSelected Whether each track in the {@code trackGroup} is selected.
-     * @param tracksSelected Whether a track is selected for each track in {@code trackGroup}.
      */
     @UnstableApi
     public TrackGroupInfo(
         TrackGroup trackGroup,
+        boolean adaptiveSupported,
         @C.FormatSupport int[] trackSupport,
-        @C.TrackType int trackType,
         boolean[] tracksSelected) {
-      int length = trackGroup.length;
+      length = trackGroup.length;
       checkArgument(length == trackSupport.length && length == tracksSelected.length);
       this.trackGroup = trackGroup;
+      this.adaptiveSupported = adaptiveSupported && length > 1;
       this.trackSupport = trackSupport.clone();
-      this.trackType = trackType;
       this.trackSelected = tracksSelected.clone();
     }
 
-    /** Returns the {@link TrackGroup} described by this {@code TrackGroupInfo}. */
+    /** Returns the underlying {@link TrackGroup}. */
     public TrackGroup getTrackGroup() {
       return trackGroup;
     }
 
     /**
-     * Returns the level of support for a track in a {@link TrackGroup}.
+     * Returns the {@link Format} for a specified track.
+     *
+     * @param trackIndex The index of the track in the {@link TrackGroup}.
+     * @return The {@link Format} of the track.
+     */
+    public Format getTrackFormat(int trackIndex) {
+      return trackGroup.getFormat(trackIndex);
+    }
+
+    /**
+     * Returns the level of support for a specified track.
      *
      * @param trackIndex The index of the track in the {@link TrackGroup}.
      * @return The {@link C.FormatSupport} of the track.
      */
     @UnstableApi
-    @C.FormatSupport
+    public @C.FormatSupport int getTrackSupport(int trackIndex) {
-    public int getTrackSupport(int trackIndex) {
       return trackSupport[trackIndex];
     }
 
     /**
-     * Returns if a track in a {@link TrackGroup} is supported for playback.
+     * Returns whether a specified track is supported for playback, without exceeding the advertised
+     * capabilities of the device. Equivalent to {@code isTrackSupported(trackIndex, false)}.
      *
      * @param trackIndex The index of the track in the {@link TrackGroup}.
      * @return True if the track's format can be played, false otherwise.
      */
     public boolean isTrackSupported(int trackIndex) {
-      return trackSupport[trackIndex] == C.FORMAT_HANDLED;
+      return isTrackSupported(trackIndex, /* allowExceedsCapabilities= */ false);
     }
 
-    /** Returns if at least one track in a {@link TrackGroup} is selected for playback. */
+    /**
+     * Returns whether a specified track is supported for playback.
+     *
+     * @param trackIndex The index of the track in the {@link TrackGroup}.
+     * @param allowExceedsCapabilities Whether to consider the track as supported if it has a
+     *     supported {@link Format#sampleMimeType MIME type}, but otherwise exceeds the advertised
+     *     capabilities of the device. For example, a video track for which there's a corresponding
+     *     decoder whose maximum advertised resolution is exceeded by the resolution of the track.
+     *     Such tracks may be playable in some cases.
+     * @return True if the track's format can be played, false otherwise.
+     */
+    public boolean isTrackSupported(int trackIndex, boolean allowExceedsCapabilities) {
+      return trackSupport[trackIndex] == C.FORMAT_HANDLED
+          || (allowExceedsCapabilities
+              && trackSupport[trackIndex] == C.FORMAT_EXCEEDS_CAPABILITIES);
+    }
+
+    /** Returns whether at least one track in the group is selected for playback. */
     public boolean isSelected() {
       return Booleans.contains(trackSelected, true);
     }
 
-    /** Returns if at least one track in a {@link TrackGroup} is supported. */
+    /** Returns whether adaptive selections containing more than one track are supported. */
+    public boolean isAdaptiveSupported() {
+      return adaptiveSupported;
+    }
+
+    /**
+     * Returns whether at least one track in the group is supported for playback, without exceeding
+     * the advertised capabilities of the device. Equivalent to {@code isSupported(false)}.
+     */
     public boolean isSupported() {
+      return isSupported(/* allowExceedsCapabilities= */ false);
+    }
+
+    /**
+     * Returns whether at least one track in the group is supported for playback.
+     *
+     * @param allowExceedsCapabilities Whether to consider a track as supported if it has a
+     *     supported {@link Format#sampleMimeType MIME type}, but otherwise exceeds the advertised
+     *     capabilities of the device. For example, a video track for which there's a corresponding
+     *     decoder whose maximum advertised resolution is exceeded by the resolution of the track.
+     *     Such tracks may be playable in some cases.
+     */
+    public boolean isSupported(boolean allowExceedsCapabilities) {
       for (int i = 0; i < trackSupport.length; i++) {
-        if (isTrackSupported(i)) {
+        if (isTrackSupported(i, allowExceedsCapabilities)) {
           return true;
         }
       }
@@ -111,29 +168,26 @@ public final class TracksInfo implements Bundleable {
     }
 
     /**
-     * Returns if a track in a {@link TrackGroup} is selected for playback.
+     * Returns whether a specified track is selected for playback.
      *
-     * <p>Multiple tracks of a track group may be selected. This is common in adaptive streaming,
+     * <p>Note that multiple tracks in the group may be selected. This is common in adaptive
-     * where multiple tracks of different quality are selected and the player switches between them
+     * streaming, where tracks of different qualities are selected and the player switches between
-     * depending on the network and the {@link TrackSelectionParameters}.
+     * them during playback (e.g., based on the available network bandwidth).
      *
-     * <p>While this class doesn't provide which selected track is currently playing, some player
+     * <p>This class doesn't provide a way to determine which of the selected tracks is currently
-     * implementations have ways of getting such information. For example ExoPlayer provides this
+     * playing, however some player implementations have ways of getting such information. For
-     * information in {@code ExoTrackSelection.getSelectedFormat}.
+     * example, ExoPlayer provides this information via {@code ExoTrackSelection.getSelectedFormat}.
      *
      * @param trackIndex The index of the track in the {@link TrackGroup}.
-     * @return true if the track is selected, false otherwise.
+     * @return True if the track is selected, false otherwise.
      */
     public boolean isTrackSelected(int trackIndex) {
       return trackSelected[trackIndex];
     }
 
-    /**
+    /** Returns the {@link C.TrackType} of the group. */
-     * Returns the {@link C.TrackType} of the tracks in the {@link TrackGroup}. Tracks in a group
-     * are all of the same type.
-     */
     public @C.TrackType int getTrackType() {
-      return trackType;
+      return trackGroup.type;
     }
 
     @Override
@@ -145,7 +199,7 @@ public final class TracksInfo implements Bundleable {
         return false;
       }
       TrackGroupInfo that = (TrackGroupInfo) other;
-      return trackType == that.trackType
+      return adaptiveSupported == that.adaptiveSupported
           && trackGroup.equals(that.trackGroup)
           && Arrays.equals(trackSupport, that.trackSupport)
           && Arrays.equals(trackSelected, that.trackSelected);
@@ -154,8 +208,8 @@ public final class TracksInfo implements Bundleable {
     @Override
     public int hashCode() {
       int result = trackGroup.hashCode();
+      result = 31 * result + (adaptiveSupported ? 1 : 0);
       result = 31 * result + Arrays.hashCode(trackSupport);
-      result = 31 * result + trackType;
       result = 31 * result + Arrays.hashCode(trackSelected);
       return result;
     }
@@ -163,26 +217,27 @@ public final class TracksInfo implements Bundleable {
     // Bundleable implementation.
     @Documented
     @Retention(RetentionPolicy.SOURCE)
+    @Target(TYPE_USE)
     @IntDef({
       FIELD_TRACK_GROUP,
       FIELD_TRACK_SUPPORT,
-      FIELD_TRACK_TYPE,
       FIELD_TRACK_SELECTED,
+      FIELD_ADAPTIVE_SUPPORTED,
     })
     private @interface FieldNumber {}
 
     private static final int FIELD_TRACK_GROUP = 0;
     private static final int FIELD_TRACK_SUPPORT = 1;
-    private static final int FIELD_TRACK_TYPE = 2;
     private static final int FIELD_TRACK_SELECTED = 3;
+    private static final int FIELD_ADAPTIVE_SUPPORTED = 4;
 
     @Override
     public Bundle toBundle() {
       Bundle bundle = new Bundle();
       bundle.putBundle(keyForField(FIELD_TRACK_GROUP), trackGroup.toBundle());
       bundle.putIntArray(keyForField(FIELD_TRACK_SUPPORT), trackSupport);
-      bundle.putInt(keyForField(FIELD_TRACK_TYPE), trackType);
       bundle.putBooleanArray(keyForField(FIELD_TRACK_SELECTED), trackSelected);
+      bundle.putBoolean(keyForField(FIELD_ADAPTIVE_SUPPORTED), adaptiveSupported);
       return bundle;
     }
 
@@ -194,17 +249,16 @@ public final class TracksInfo implements Bundleable {
               fromNullableBundle(
                   TrackGroup.CREATOR, bundle.getBundle(keyForField(FIELD_TRACK_GROUP)));
           checkNotNull(trackGroup); // Can't create a trackGroup info without a trackGroup
-          @C.FormatSupport
+          final @C.FormatSupport int[] trackSupport =
-          final int[] trackSupport =
               MoreObjects.firstNonNull(
                   bundle.getIntArray(keyForField(FIELD_TRACK_SUPPORT)), new int[trackGroup.length]);
-          @C.TrackType
-          int trackType = bundle.getInt(keyForField(FIELD_TRACK_TYPE), C.TRACK_TYPE_UNKNOWN);
           boolean[] selected =
               MoreObjects.firstNonNull(
                   bundle.getBooleanArray(keyForField(FIELD_TRACK_SELECTED)),
                   new boolean[trackGroup.length]);
-          return new TrackGroupInfo(trackGroup, trackSupport, trackType, selected);
+          boolean adaptiveSupported =
+              bundle.getBoolean(keyForField(FIELD_ADAPTIVE_SUPPORTED), false);
+          return new TrackGroupInfo(trackGroup, adaptiveSupported, trackSupport, selected);
         };
 
     private static String keyForField(@FieldNumber int field) {
@@ -214,36 +268,85 @@ public final class TracksInfo implements Bundleable {
 
   private final ImmutableList<TrackGroupInfo> trackGroupInfos;
 
-  /** An empty {@code TrackInfo} containing no {@link TrackGroupInfo}. */
+  /** An {@code TrackInfo} that contains no tracks. */
   @UnstableApi public static final TracksInfo EMPTY = new TracksInfo(ImmutableList.of());
 
-  /** Constructs {@code TracksInfo} from the provided {@link TrackGroupInfo}. */
+  /**
+   * Constructs an instance.
+   *
+   * @param trackGroupInfos The {@link TrackGroupInfo TrackGroupInfos} describing the groups of
+   *     tracks.
+   */
   @UnstableApi
   public TracksInfo(List<TrackGroupInfo> trackGroupInfos) {
     this.trackGroupInfos = ImmutableList.copyOf(trackGroupInfos);
   }
 
-  /** Returns the {@link TrackGroupInfo TrackGroupInfos}, describing each {@link TrackGroup}. */
+  /** Returns the {@link TrackGroupInfo TrackGroupInfos} describing the groups of tracks. */
   public ImmutableList<TrackGroupInfo> getTrackGroupInfos() {
     return trackGroupInfos;
   }
 
-  /** Returns if there is at least one track of type {@code trackType} but none are supported. */
+  /** Returns true if there are tracks of type {@code trackType}, and false otherwise. */
-  public boolean isTypeSupportedOrEmpty(@C.TrackType int trackType) {
+  public boolean containsType(@C.TrackType int trackType) {
-    boolean supported = true;
     for (int i = 0; i < trackGroupInfos.size(); i++) {
-      if (trackGroupInfos.get(i).trackType == trackType) {
+      if (trackGroupInfos.get(i).getTrackType() == trackType) {
-        if (trackGroupInfos.get(i).isSupported()) {
         return true;
-        } else {
-          supported = false;
       }
     }
-    }
+    return false;
-    return supported;
   }
 
-  /** Returns if at least one track of the type {@code trackType} is selected for playback. */
+  /**
+   * Returns true if at least one track of type {@code trackType} is {@link
+   * TrackGroupInfo#isTrackSupported(int) supported}.
+   */
+  public boolean isTypeSupported(@C.TrackType int trackType) {
+    return isTypeSupported(trackType, /* allowExceedsCapabilities= */ false);
+  }
+
+  /**
+   * Returns true if at least one track of type {@code trackType} is {@link
+   * TrackGroupInfo#isTrackSupported(int, boolean) supported}.
+   *
+   * @param allowExceedsCapabilities Whether to consider the track as supported if it has a
+   *     supported {@link Format#sampleMimeType MIME type}, but otherwise exceeds the advertised
+   *     capabilities of the device. For example, a video track for which there's a corresponding
+   *     decoder whose maximum advertised resolution is exceeded by the resolution of the track.
+   *     Such tracks may be playable in some cases.
+   */
+  public boolean isTypeSupported(@C.TrackType int trackType, boolean allowExceedsCapabilities) {
+    for (int i = 0; i < trackGroupInfos.size(); i++) {
+      if (trackGroupInfos.get(i).getTrackType() == trackType) {
+        if (trackGroupInfos.get(i).isSupported(allowExceedsCapabilities)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
+  /**
+   * @deprecated Use {@link #containsType(int)} and {@link #isTypeSupported(int)}.
+   */
+  @Deprecated
+  @UnstableApi
+  @SuppressWarnings("deprecation")
+  public boolean isTypeSupportedOrEmpty(@C.TrackType int trackType) {
+    return isTypeSupportedOrEmpty(trackType, /* allowExceedsCapabilities= */ false);
+  }
+
+  /**
+   * @deprecated Use {@link #containsType(int)} and {@link #isTypeSupported(int, boolean)}.
+   */
+  @Deprecated
+  @UnstableApi
+  public boolean isTypeSupportedOrEmpty(
+      @C.TrackType int trackType, boolean allowExceedsCapabilities) {
+    return !containsType(trackType) || isTypeSupported(trackType, allowExceedsCapabilities);
+  }
+
+  /** Returns true if at least one track of the type {@code trackType} is selected for playback. */
   public boolean isTypeSelected(@C.TrackType int trackType) {
     for (int i = 0; i < trackGroupInfos.size(); i++) {
       TrackGroupInfo trackGroupInfo = trackGroupInfos.get(i);
@@ -274,6 +377,7 @@ public final class TracksInfo implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_TRACK_GROUP_INFOS,
   })

libraries/common/src/main/java/androidx/media3/common/VideoSize.java

@@ -15,6 +15,8 @@
  */
 package androidx.media3.common;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.os.Bundle;
 import androidx.annotation.FloatRange;
 import androidx.annotation.IntDef;
@@ -24,6 +26,7 @@ import androidx.media3.common.util.UnstableApi;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** Represents the video size. */
 public final class VideoSize implements Bundleable {
@@ -131,6 +134,7 @@ public final class VideoSize implements Bundleable {
   // Bundleable implementation.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_WIDTH,
     FIELD_HEIGHT,

libraries/common/src/main/java/androidx/media3/common/text/Cue.java

@@ -59,6 +59,8 @@ public final class Cue implements Bundleable {
    * The type of anchor, which may be unset. One of {@link #TYPE_UNSET}, {@link #ANCHOR_TYPE_START},
    * {@link #ANCHOR_TYPE_MIDDLE} or {@link #ANCHOR_TYPE_END}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -87,6 +89,8 @@ public final class Cue implements Bundleable {
    * The type of line, which may be unset. One of {@link #TYPE_UNSET}, {@link #LINE_TYPE_FRACTION}
    * or {@link #LINE_TYPE_NUMBER}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -104,6 +108,8 @@ public final class Cue implements Bundleable {
    * {@link #TEXT_SIZE_TYPE_FRACTIONAL}, {@link #TEXT_SIZE_TYPE_FRACTIONAL_IGNORE_PADDING} or {@link
    * #TEXT_SIZE_TYPE_ABSOLUTE}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -128,6 +134,8 @@ public final class Cue implements Bundleable {
    * The type of vertical layout for this cue, which may be unset (i.e. horizontal). One of {@link
    * #TYPE_UNSET}, {@link #VERTICAL_TYPE_RL} or {@link #VERTICAL_TYPE_LR}.
    */
+  // @Target list includes both 'default' targets and TYPE_USE, to ensure backwards compatibility
+  // with Kotlin usages from before TYPE_USE was added.
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Target({FIELD, METHOD, PARAMETER, LOCAL_VARIABLE, TYPE_USE})
@@ -561,7 +569,7 @@ public final class Cue implements Bundleable {
     @Nullable private Alignment textAlignment;
     @Nullable private Alignment multiRowAlignment;
     private float line;
-    @LineType private int lineType;
+    private @LineType int lineType;
     private @AnchorType int lineAnchor;
     private float position;
     private @AnchorType int positionAnchor;
@@ -722,8 +730,7 @@ public final class Cue implements Bundleable {
      * @see Cue#lineType
      */
     @Pure
-    @LineType
+    public @LineType int getLineType() {
-    public int getLineType() {
       return lineType;
     }
 
@@ -743,8 +750,7 @@ public final class Cue implements Bundleable {
      * @see Cue#lineAnchor
      */
     @Pure
-    @AnchorType
+    public @AnchorType int getLineAnchor() {
-    public int getLineAnchor() {
       return lineAnchor;
     }
 
@@ -786,8 +792,7 @@ public final class Cue implements Bundleable {
      * @see Cue#positionAnchor
      */
     @Pure
-    @AnchorType
+    public @AnchorType int getPositionAnchor() {
-    public int getPositionAnchor() {
       return positionAnchor;
     }
 
@@ -809,8 +814,7 @@ public final class Cue implements Bundleable {
      * @see Cue#textSizeType
      */
     @Pure
-    @TextSizeType
+    public @TextSizeType int getTextSizeType() {
-    public int getTextSizeType() {
       return textSizeType;
     }
 
@@ -928,8 +932,7 @@ public final class Cue implements Bundleable {
      * @see Cue#verticalType
      */
     @Pure
-    @VerticalType
+    public @VerticalType int getVerticalType() {
-    public int getVerticalType() {
       return verticalType;
     }
 
@@ -960,6 +963,7 @@ public final class Cue implements Bundleable {
 
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({
     FIELD_TEXT,
     FIELD_TEXT_ALIGNMENT,

libraries/common/src/main/java/androidx/media3/common/text/RubySpan.java

@@ -39,7 +39,7 @@ public final class RubySpan implements LanguageFeatureSpan {
   public final String rubyText;
 
   /** The position of the ruby text relative to the base text. */
-  @TextAnnotation.Position public final int position;
+  public final @TextAnnotation.Position int position;
 
   public RubySpan(String rubyText, @TextAnnotation.Position int position) {
     this.rubyText = rubyText;

libraries/common/src/main/java/androidx/media3/common/text/TextAnnotation.java

@@ -15,12 +15,14 @@
  */
 package androidx.media3.common.text;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
 import static java.lang.annotation.RetentionPolicy.SOURCE;
 
 import androidx.annotation.IntDef;
 import androidx.media3.common.util.UnstableApi;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
 
 /** Properties of a text annotation (i.e. ruby, text emphasis marks). */
 @UnstableApi
@@ -57,6 +59,7 @@ public final class TextAnnotation {
    */
   @Documented
   @Retention(SOURCE)
+  @Target(TYPE_USE)
   @IntDef({POSITION_UNKNOWN, POSITION_BEFORE, POSITION_AFTER})
   public @interface Position {}
 

libraries/common/src/main/java/androidx/media3/common/text/TextEmphasisSpan.java

@@ -15,12 +15,14 @@
  */
 package androidx.media3.common.text;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
 import static java.lang.annotation.RetentionPolicy.SOURCE;
 
 import androidx.annotation.IntDef;
 import androidx.media3.common.util.UnstableApi;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
 
 /**
  * A styling span for text emphasis marks.
@@ -50,6 +52,7 @@ public final class TextEmphasisSpan implements LanguageFeatureSpan {
    */
   @Documented
   @Retention(SOURCE)
+  @Target(TYPE_USE)
   @IntDef({MARK_SHAPE_NONE, MARK_SHAPE_CIRCLE, MARK_SHAPE_DOT, MARK_SHAPE_SESAME})
   public @interface MarkShape {}
 
@@ -71,6 +74,7 @@ public final class TextEmphasisSpan implements LanguageFeatureSpan {
    */
   @Documented
   @Retention(SOURCE)
+  @Target(TYPE_USE)
   @IntDef({MARK_FILL_UNKNOWN, MARK_FILL_FILLED, MARK_FILL_OPEN})
   public @interface MarkFill {}
 
@@ -79,13 +83,13 @@ public final class TextEmphasisSpan implements LanguageFeatureSpan {
   public static final int MARK_FILL_OPEN = 2;
 
   /** The mark shape used for text emphasis. */
-  @MarkShape public int markShape;
+  public @MarkShape int markShape;
 
   /** The mark fill for the text emphasis mark. */
-  @MarkShape public int markFill;
+  public @MarkShape int markFill;
 
   /** The position of the text emphasis relative to the base text. */
-  @TextAnnotation.Position public final int position;
+  public final @TextAnnotation.Position int position;
 
   public TextEmphasisSpan(
       @MarkShape int shape, @MarkFill int fill, @TextAnnotation.Position int position) {

libraries/common/src/main/java/androidx/media3/common/util/Clock.java

@@ -36,10 +36,14 @@ public interface Clock {
    */
   long currentTimeMillis();
 
-  /** @see android.os.SystemClock#elapsedRealtime() */
+  /**
+   * @see android.os.SystemClock#elapsedRealtime()
+   */
   long elapsedRealtime();
 
-  /** @see android.os.SystemClock#uptimeMillis() */
+  /**
+   * @see android.os.SystemClock#uptimeMillis()
+   */
   long uptimeMillis();
 
   /**

libraries/common/src/main/java/androidx/media3/common/util/EGLSurfaceTexture.java

@@ -15,6 +15,8 @@
  */
 package androidx.media3.common.util;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.graphics.SurfaceTexture;
 import android.opengl.EGL14;
 import android.opengl.EGLConfig;
@@ -29,6 +31,7 @@ import androidx.annotation.RequiresApi;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /** Generates a {@link SurfaceTexture} using EGL/GLES functions. */
 @RequiresApi(17)
@@ -47,6 +50,7 @@ public final class EGLSurfaceTexture implements SurfaceTexture.OnFrameAvailableL
    */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({SECURE_MODE_NONE, SECURE_MODE_SURFACELESS_CONTEXT, SECURE_MODE_PROTECTED_PBUFFER})
   public @interface SecureMode {}
 

libraries/common/src/main/java/androidx/media3/common/util/GlProgram.java

@@ -0,0 +1,403 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package androidx.media3.common.util;
+
+import static androidx.media3.common.util.Assertions.checkNotNull;
+
+import android.content.Context;
+import android.opengl.GLES11Ext;
+import android.opengl.GLES20;
+import androidx.annotation.Nullable;
+import java.io.IOException;
+import java.nio.Buffer;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Represents a GLSL shader program.
+ *
+ * <p>After constructing a program, keep a reference for its lifetime and call {@link #delete()} (or
+ * release the current GL context) when it's no longer needed.
+ */
+@UnstableApi
+public final class GlProgram {
+
+  // https://www.khronos.org/registry/OpenGL/extensions/EXT/EXT_YUV_target.txt
+  private static final int GL_SAMPLER_EXTERNAL_2D_Y2Y_EXT = 0x8BE7;
+  /** The identifier of a compiled and linked GLSL shader program. */
+  private final int programId;
+
+  private final Attribute[] attributes;
+  private final Uniform[] uniforms;
+  private final Map<String, Attribute> attributeByName;
+  private final Map<String, Uniform> uniformByName;
+
+  /**
+   * Compiles a GL shader program from vertex and fragment shader GLSL GLES20 code.
+   *
+   * @param context The {@link Context}.
+   * @param vertexShaderFilePath The path to a vertex shader program.
+   * @param fragmentShaderFilePath The path to a fragment shader program.
+   * @throws IOException When failing to read shader files.
+   */
+  public GlProgram(Context context, String vertexShaderFilePath, String fragmentShaderFilePath)
+      throws IOException {
+    this(
+        GlUtil.loadAsset(context, vertexShaderFilePath),
+        GlUtil.loadAsset(context, fragmentShaderFilePath));
+  }
+
+  /**
+   * Creates a GL shader program from vertex and fragment shader GLSL GLES20 code.
+   *
+   * <p>This involves slow steps, like compiling, linking, and switching the GL program, so do not
+   * call this in fast rendering loops.
+   *
+   * @param vertexShaderGlsl The vertex shader program.
+   * @param fragmentShaderGlsl The fragment shader program.
+   */
+  public GlProgram(String vertexShaderGlsl, String fragmentShaderGlsl) {
+    programId = GLES20.glCreateProgram();
+    GlUtil.checkGlError();
+
+    // Add the vertex and fragment shaders.
+    addShader(programId, GLES20.GL_VERTEX_SHADER, vertexShaderGlsl);
+    addShader(programId, GLES20.GL_FRAGMENT_SHADER, fragmentShaderGlsl);
+
+    // Link and use the program, and enumerate attributes/uniforms.
+    GLES20.glLinkProgram(programId);
+    int[] linkStatus = new int[] {GLES20.GL_FALSE};
+    GLES20.glGetProgramiv(programId, GLES20.GL_LINK_STATUS, linkStatus, /* offset= */ 0);
+    if (linkStatus[0] != GLES20.GL_TRUE) {
+      GlUtil.throwGlException(
+          "Unable to link shader program: \n" + GLES20.glGetProgramInfoLog(programId));
+    }
+    GLES20.glUseProgram(programId);
+    attributeByName = new HashMap<>();
+    int[] attributeCount = new int[1];
+    GLES20.glGetProgramiv(programId, GLES20.GL_ACTIVE_ATTRIBUTES, attributeCount, /* offset= */ 0);
+    attributes = new Attribute[attributeCount[0]];
+    for (int i = 0; i < attributeCount[0]; i++) {
+      Attribute attribute = Attribute.create(programId, i);
+      attributes[i] = attribute;
+      attributeByName.put(attribute.name, attribute);
+    }
+    uniformByName = new HashMap<>();
+    int[] uniformCount = new int[1];
+    GLES20.glGetProgramiv(programId, GLES20.GL_ACTIVE_UNIFORMS, uniformCount, /* offset= */ 0);
+    uniforms = new Uniform[uniformCount[0]];
+    for (int i = 0; i < uniformCount[0]; i++) {
+      Uniform uniform = Uniform.create(programId, i);
+      uniforms[i] = uniform;
+      uniformByName.put(uniform.name, uniform);
+    }
+    GlUtil.checkGlError();
+  }
+
+  private static void addShader(int programId, int type, String glsl) {
+    int shader = GLES20.glCreateShader(type);
+    GLES20.glShaderSource(shader, glsl);
+    GLES20.glCompileShader(shader);
+
+    int[] result = new int[] {GLES20.GL_FALSE};
+    GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, result, /* offset= */ 0);
+    if (result[0] != GLES20.GL_TRUE) {
+      GlUtil.throwGlException(GLES20.glGetShaderInfoLog(shader) + ", source: " + glsl);
+    }
+
+    GLES20.glAttachShader(programId, shader);
+    GLES20.glDeleteShader(shader);
+    GlUtil.checkGlError();
+  }
+
+  private static int getAttributeLocation(int programId, String attributeName) {
+    return GLES20.glGetAttribLocation(programId, attributeName);
+  }
+
+  /** Returns the location of an {@link Attribute}. */
+  private int getAttributeLocation(String attributeName) {
+    return getAttributeLocation(programId, attributeName);
+  }
+
+  private static int getUniformLocation(int programId, String uniformName) {
+    return GLES20.glGetUniformLocation(programId, uniformName);
+  }
+
+  /** Returns the location of a {@link Uniform}. */
+  public int getUniformLocation(String uniformName) {
+    return getUniformLocation(programId, uniformName);
+  }
+
+  /**
+   * Uses the program.
+   *
+   * <p>Call this in the rendering loop to switch between different programs.
+   */
+  public void use() {
+    // TODO(b/214975934): When multiple GL programs are supported by Transformer, make sure
+    // to call use() to switch between programs.
+    GLES20.glUseProgram(programId);
+    GlUtil.checkGlError();
+  }
+
+  /** Deletes the program. Deleted programs cannot be used again. */
+  public void delete() {
+    GLES20.glDeleteProgram(programId);
+    GlUtil.checkGlError();
+  }
+
+  /**
+   * Returns the location of an {@link Attribute}, which has been enabled as a vertex attribute
+   * array.
+   */
+  public int getAttributeArrayLocationAndEnable(String attributeName) {
+    int location = getAttributeLocation(attributeName);
+    GLES20.glEnableVertexAttribArray(location);
+    GlUtil.checkGlError();
+    return location;
+  }
+
+  /** Sets a float buffer type attribute. */
+  public void setBufferAttribute(String name, float[] values, int size) {
+    checkNotNull(attributeByName.get(name)).setBuffer(values, size);
+  }
+
+  /** Sets a texture sampler type uniform. */
+  public void setSamplerTexIdUniform(String name, int texId, int unit) {
+    checkNotNull(uniformByName.get(name)).setSamplerTexId(texId, unit);
+  }
+
+  /** Sets a float type uniform. */
+  public void setFloatUniform(String name, float value) {
+    checkNotNull(uniformByName.get(name)).setFloat(value);
+  }
+
+  /** Sets a float array type uniform. */
+  public void setFloatsUniform(String name, float[] value) {
+    checkNotNull(uniformByName.get(name)).setFloats(value);
+  }
+
+  /** Binds all attributes and uniforms in the program. */
+  public void bindAttributesAndUniforms() {
+    for (Attribute attribute : attributes) {
+      attribute.bind();
+    }
+    for (Uniform uniform : uniforms) {
+      uniform.bind();
+    }
+  }
+
+  /** Returns the length of the null-terminated C string in {@code cString}. */
+  private static int getCStringLength(byte[] cString) {
+    for (int i = 0; i < cString.length; ++i) {
+      if (cString[i] == '\0') {
+        return i;
+      }
+    }
+    return cString.length;
+  }
+
+  /**
+   * GL attribute, which can be attached to a buffer with {@link Attribute#setBuffer(float[], int)}.
+   */
+  private static final class Attribute {
+
+    /* Returns the attribute at the given index in the program. */
+    public static Attribute create(int programId, int index) {
+      int[] length = new int[1];
+      GLES20.glGetProgramiv(
+          programId, GLES20.GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, length, /* offset= */ 0);
+      byte[] nameBytes = new byte[length[0]];
+
+      GLES20.glGetActiveAttrib(
+          programId,
+          index,
+          length[0],
+          /* unusedLength */ new int[1],
+          /* lengthOffset= */ 0,
+          /* unusedSize */ new int[1],
+          /* sizeOffset= */ 0,
+          /* unusedType */ new int[1],
+          /* typeOffset= */ 0,
+          nameBytes,
+          /* nameOffset= */ 0);
+      String name = new String(nameBytes, /* offset= */ 0, getCStringLength(nameBytes));
+      int location = getAttributeLocation(programId, name);
+
+      return new Attribute(name, index, location);
+    }
+
+    /** The name of the attribute in the GLSL sources. */
+    public final String name;
+
+    private final int index;
+    private final int location;
+
+    @Nullable private Buffer buffer;
+    private int size;
+
+    private Attribute(String name, int index, int location) {
+      this.name = name;
+      this.index = index;
+      this.location = location;
+    }
+
+    /**
+     * Configures {@link #bind()} to attach vertices in {@code buffer} (each of size {@code size}
+     * elements) to this {@link Attribute}.
+     *
+     * @param buffer Buffer to bind to this attribute.
+     * @param size Number of elements per vertex.
+     */
+    public void setBuffer(float[] buffer, int size) {
+      this.buffer = GlUtil.createBuffer(buffer);
+      this.size = size;
+    }
+
+    /**
+     * Sets the vertex attribute to whatever was attached via {@link #setBuffer(float[], int)}.
+     *
+     * <p>Should be called before each drawing call.
+     */
+    public void bind() {
+      Buffer buffer = checkNotNull(this.buffer, "call setBuffer before bind");
+      GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, /* buffer= */ 0);
+      GLES20.glVertexAttribPointer(
+          location, size, GLES20.GL_FLOAT, /* normalized= */ false, /* stride= */ 0, buffer);
+      GLES20.glEnableVertexAttribArray(index);
+      GlUtil.checkGlError();
+    }
+  }
+
+  /**
+   * GL uniform, which can be attached to a sampler using {@link Uniform#setSamplerTexId(int, int)}.
+   */
+  private static final class Uniform {
+
+    /** Returns the uniform at the given index in the program. */
+    public static Uniform create(int programId, int index) {
+      int[] length = new int[1];
+      GLES20.glGetProgramiv(
+          programId, GLES20.GL_ACTIVE_UNIFORM_MAX_LENGTH, length, /* offset= */ 0);
+
+      int[] type = new int[1];
+      byte[] nameBytes = new byte[length[0]];
+
+      GLES20.glGetActiveUniform(
+          programId,
+          index,
+          length[0],
+          /* unusedLength */ new int[1],
+          /* lengthOffset= */ 0,
+          /* unusedSize */ new int[1],
+          /*sizeOffset= */ 0,
+          type,
+          /* typeOffset= */ 0,
+          nameBytes,
+          /* nameOffset= */ 0);
+      String name = new String(nameBytes, /* offset= */ 0, getCStringLength(nameBytes));
+      int location = getUniformLocation(programId, name);
+
+      return new Uniform(name, location, type[0]);
+    }
+
+    /** The name of the uniform in the GLSL sources. */
+    public final String name;
+
+    private final int location;
+    private final int type;
+    private final float[] value;
+
+    private int texId;
+    private int unit;
+
+    private Uniform(String name, int location, int type) {
+      this.name = name;
+      this.location = location;
+      this.type = type;
+      this.value = new float[16];
+    }
+
+    /**
+     * Configures {@link #bind()} to use the specified {@code texId} for this sampler uniform.
+     *
+     * @param texId The GL texture identifier from which to sample.
+     * @param unit The GL texture unit index.
+     */
+    public void setSamplerTexId(int texId, int unit) {
+      this.texId = texId;
+      this.unit = unit;
+    }
+
+    /** Configures {@link #bind()} to use the specified float {@code value} for this uniform. */
+    public void setFloat(float value) {
+      this.value[0] = value;
+    }
+
+    /** Configures {@link #bind()} to use the specified float[] {@code value} for this uniform. */
+    public void setFloats(float[] value) {
+      System.arraycopy(value, /* srcPos= */ 0, this.value, /* destPos= */ 0, value.length);
+    }
+
+    /**
+     * Sets the uniform to whatever value was passed via {@link #setSamplerTexId(int, int)}, {@link
+     * #setFloat(float)} or {@link #setFloats(float[])}.
+     *
+     * <p>Should be called before each drawing call.
+     */
+    public void bind() {
+      if (type == GLES20.GL_FLOAT) {
+        GLES20.glUniform1fv(location, /* count= */ 1, value, /* offset= */ 0);
+        GlUtil.checkGlError();
+        return;
+      }
+
+      if (type == GLES20.GL_FLOAT_MAT3) {
+        GLES20.glUniformMatrix3fv(
+            location, /* count= */ 1, /* transpose= */ false, value, /* offset= */ 0);
+        GlUtil.checkGlError();
+        return;
+      }
+
+      if (type == GLES20.GL_FLOAT_MAT4) {
+        GLES20.glUniformMatrix4fv(
+            location, /* count= */ 1, /* transpose= */ false, value, /* offset= */ 0);
+        GlUtil.checkGlError();
+        return;
+      }
+
+      if (texId == 0) {
+        throw new IllegalStateException("No call to setSamplerTexId() before bind.");
+      }
+      GLES20.glActiveTexture(GLES20.GL_TEXTURE0 + unit);
+      if (type == GLES11Ext.GL_SAMPLER_EXTERNAL_OES || type == GL_SAMPLER_EXTERNAL_2D_Y2Y_EXT) {
+        GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, texId);
+      } else if (type == GLES20.GL_SAMPLER_2D) {
+        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
+      } else {
+        throw new IllegalStateException("Unexpected uniform type: " + type);
+      }
+      GLES20.glUniform1i(location, unit);
+      GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
+      GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
+      GLES20.glTexParameteri(
+          GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
+      GLES20.glTexParameteri(
+          GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
+      GlUtil.checkGlError();
+    }
+  }
+}

libraries/common/src/main/java/androidx/media3/common/util/GlUtil.java

@@ -16,7 +16,6 @@
 package androidx.media3.common.util;
 
 import static android.opengl.GLU.gluErrorString;
-import static androidx.media3.common.util.Assertions.checkNotNull;
 
 import android.content.Context;
 import android.content.pm.PackageManager;
@@ -33,16 +32,13 @@ import androidx.annotation.RequiresApi;
 import androidx.media3.common.C;
 import java.io.IOException;
 import java.io.InputStream;
-import java.nio.Buffer;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
 import java.nio.FloatBuffer;
-import java.nio.IntBuffer;
-import java.util.HashMap;
-import java.util.Map;
 import javax.microedition.khronos.egl.EGL10;
 
-/** OpenGL ES 2.0 utilities. */
+/** OpenGL ES utilities. */
+@SuppressWarnings("InlinedApi") // GLES constants are used safely based on the API version.
 @UnstableApi
 public final class GlUtil {
 
@@ -54,163 +50,73 @@ public final class GlUtil {
     }
   }
 
-  /**
-   * Represents a GLSL shader program.
-   *
-   * <p>After constructing a program, keep a reference for its lifetime and call {@link #delete()}
-   * (or release the current GL context) when it's no longer needed.
-   */
-  public static final class Program {
-    /** The identifier of a compiled and linked GLSL shader program. */
-    private final int programId;
-
-    private final Attribute[] attributes;
-    private final Uniform[] uniforms;
-    private final Map<String, Attribute> attributeByName;
-    private final Map<String, Uniform> uniformByName;
-
-    /**
-     * Compiles a GL shader program from vertex and fragment shader GLSL GLES20 code.
-     *
-     * @param context The {@link Context}.
-     * @param vertexShaderFilePath The path to a vertex shader program.
-     * @param fragmentShaderFilePath The path to a fragment shader program.
-     * @throws IOException When failing to read shader files.
-     */
-    public Program(Context context, String vertexShaderFilePath, String fragmentShaderFilePath)
-        throws IOException {
-      this(loadAsset(context, vertexShaderFilePath), loadAsset(context, fragmentShaderFilePath));
-    }
-
-    /**
-     * Creates a GL shader program from vertex and fragment shader GLSL GLES20 code.
-     *
-     * <p>This involves slow steps, like compiling, linking, and switching the GL program, so do not
-     * call this in fast rendering loops.
-     *
-     * @param vertexShaderGlsl The vertex shader program.
-     * @param fragmentShaderGlsl The fragment shader program.
-     */
-    public Program(String vertexShaderGlsl, String fragmentShaderGlsl) {
-      programId = GLES20.glCreateProgram();
-      checkGlError();
-
-      // Add the vertex and fragment shaders.
-      addShader(programId, GLES20.GL_VERTEX_SHADER, vertexShaderGlsl);
-      addShader(programId, GLES20.GL_FRAGMENT_SHADER, fragmentShaderGlsl);
-
-      // Link and use the program, and enumerate attributes/uniforms.
-      GLES20.glLinkProgram(programId);
-      int[] linkStatus = new int[] {GLES20.GL_FALSE};
-      GLES20.glGetProgramiv(programId, GLES20.GL_LINK_STATUS, linkStatus, /* offset= */ 0);
-      if (linkStatus[0] != GLES20.GL_TRUE) {
-        throwGlException(
-            "Unable to link shader program: \n" + GLES20.glGetProgramInfoLog(programId));
-      }
-      GLES20.glUseProgram(programId);
-      attributeByName = new HashMap<>();
-      int[] attributeCount = new int[1];
-      GLES20.glGetProgramiv(
-          programId, GLES20.GL_ACTIVE_ATTRIBUTES, attributeCount, /* offset= */ 0);
-      attributes = new Attribute[attributeCount[0]];
-      for (int i = 0; i < attributeCount[0]; i++) {
-        Attribute attribute = Attribute.create(programId, i);
-        attributes[i] = attribute;
-        attributeByName.put(attribute.name, attribute);
-      }
-      uniformByName = new HashMap<>();
-      int[] uniformCount = new int[1];
-      GLES20.glGetProgramiv(programId, GLES20.GL_ACTIVE_UNIFORMS, uniformCount, /* offset= */ 0);
-      uniforms = new Uniform[uniformCount[0]];
-      for (int i = 0; i < uniformCount[0]; i++) {
-        Uniform uniform = Uniform.create(programId, i);
-        uniforms[i] = uniform;
-        uniformByName.put(uniform.name, uniform);
-      }
-      checkGlError();
-    }
-
-    /**
-     * Uses the program.
-     *
-     * <p>Call this in the rendering loop to switch between different programs.
-     */
-    public void use() {
-      // TODO(http://b/205002913): When multiple GL programs are supported by Transformer, make sure
-      // to call use() to switch between programs.
-      GLES20.glUseProgram(programId);
-      checkGlError();
-    }
-
-    /** Deletes the program. Deleted programs cannot be used again. */
-    public void delete() {
-      GLES20.glDeleteProgram(programId);
-      checkGlError();
-    }
-
-    /**
-     * Returns the location of an {@link Attribute}, which has been enabled as a vertex attribute
-     * array.
-     */
-    public int getAttributeArrayLocationAndEnable(String attributeName) {
-      int location = getAttributeLocation(attributeName);
-      GLES20.glEnableVertexAttribArray(location);
-      checkGlError();
-      return location;
-    }
-
-    /** Returns the location of an {@link Attribute}. */
-    private int getAttributeLocation(String attributeName) {
-      return GlUtil.getAttributeLocation(programId, attributeName);
-    }
-
-    /** Returns the location of a {@link Uniform}. */
-    public int getUniformLocation(String uniformName) {
-      return GlUtil.getUniformLocation(programId, uniformName);
-    }
-
-    /** Sets a float buffer type attribute. */
-    public void setBufferAttribute(String name, float[] values, int size) {
-      checkNotNull(attributeByName.get(name)).setBuffer(values, size);
-    }
-
-    /** Sets a texture sampler type uniform. */
-    public void setSamplerTexIdUniform(String name, int texId, int unit) {
-      checkNotNull(uniformByName.get(name)).setSamplerTexId(texId, unit);
-    }
-
-    /** Sets a float type uniform. */
-    public void setFloatUniform(String name, float value) {
-      checkNotNull(uniformByName.get(name)).setFloat(value);
-    }
-
-    /** Sets a float array type uniform. */
-    public void setFloatsUniform(String name, float[] value) {
-      checkNotNull(uniformByName.get(name)).setFloats(value);
-    }
-
-    /** Binds all attributes and uniforms in the program. */
-    public void bindAttributesAndUniforms() {
-      for (Attribute attribute : attributes) {
-        attribute.bind();
-      }
-      for (Uniform uniform : uniforms) {
-        uniform.bind();
-      }
-    }
-  }
-
   /** Whether to throw a {@link GlException} in case of an OpenGL error. */
   public static boolean glAssertionsEnabled = false;
 
+  /** Number of vertices in a rectangle. */
+  public static final int RECTANGLE_VERTICES_COUNT = 4;
+
   private static final String TAG = "GlUtil";
 
+  // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_protected_content.txt
   private static final String EXTENSION_PROTECTED_CONTENT = "EGL_EXT_protected_content";
+  // https://www.khronos.org/registry/EGL/extensions/KHR/EGL_KHR_surfaceless_context.txt
   private static final String EXTENSION_SURFACELESS_CONTEXT = "EGL_KHR_surfaceless_context";
 
+  // https://www.khronos.org/registry/EGL/extensions/KHR/EGL_KHR_gl_colorspace.txt
+  private static final int EGL_GL_COLORSPACE_KHR = 0x309D;
+  // https://www.khronos.org/registry/EGL/extensions/EXT/EGL_EXT_gl_colorspace_bt2020_linear.txt
+  private static final int EGL_GL_COLORSPACE_BT2020_PQ_EXT = 0x3340;
+
+  private static final int[] EGL_WINDOW_SURFACE_ATTRIBUTES_NONE = new int[] {EGL14.EGL_NONE};
+  private static final int[] EGL_WINDOW_SURFACE_ATTRIBUTES_BT2020_PQ =
+      new int[] {EGL_GL_COLORSPACE_KHR, EGL_GL_COLORSPACE_BT2020_PQ_EXT, EGL14.EGL_NONE};
+  private static final int[] EGL_CONFIG_ATTRIBUTES_RGBA_8888 =
+      new int[] {
+        EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
+        EGL14.EGL_RED_SIZE, /* redSize= */ 8,
+        EGL14.EGL_GREEN_SIZE, /* greenSize= */ 8,
+        EGL14.EGL_BLUE_SIZE, /* blueSize= */ 8,
+        EGL14.EGL_ALPHA_SIZE, /* alphaSize= */ 8,
+        EGL14.EGL_DEPTH_SIZE, /* depthSize= */ 0,
+        EGL14.EGL_STENCIL_SIZE, /* stencilSize= */ 0,
+        EGL14.EGL_NONE
+      };
+  private static final int[] EGL_CONFIG_ATTRIBUTES_RGBA_1010102 =
+      new int[] {
+        EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
+        EGL14.EGL_RED_SIZE, /* redSize= */ 10,
+        EGL14.EGL_GREEN_SIZE, /* greenSize= */ 10,
+        EGL14.EGL_BLUE_SIZE, /* blueSize= */ 10,
+        EGL14.EGL_ALPHA_SIZE, /* alphaSize= */ 2,
+        EGL14.EGL_DEPTH_SIZE, /* depthSize= */ 0,
+        EGL14.EGL_STENCIL_SIZE, /* stencilSize= */ 0,
+        EGL14.EGL_NONE
+      };
+
   /** Class only contains static methods. */
   private GlUtil() {}
 
+  /** Bounds of normalized device coordinates, commonly used for defining viewport boundaries. */
+  public static float[] getNormalizedCoordinateBounds() {
+    return new float[] {
+      -1, -1, 0, 1,
+      1, -1, 0, 1,
+      -1, 1, 0, 1,
+      1, 1, 0, 1
+    };
+  }
+
+  /** Typical bounds used for sampling from textures. */
+  public static float[] getTextureCoordinateBounds() {
+    return new float[] {
+      0, 0, 0, 1,
+      1, 0, 0, 1,
+      0, 1, 0, 1,
+      1, 1, 0, 1
+    };
+  }
+
   /**
    * Returns whether creating a GL context with {@value #EXTENSION_PROTECTED_CONTENT} is possible.
    * If {@code true}, the device supports a protected output path for DRM content when using GL.
@@ -260,7 +166,16 @@ public final class GlUtil {
   /** Returns a new {@link EGLContext} for the specified {@link EGLDisplay}. */
   @RequiresApi(17)
   public static EGLContext createEglContext(EGLDisplay eglDisplay) {
-    return Api17.createEglContext(eglDisplay);
+    return Api17.createEglContext(eglDisplay, /* version= */ 2, EGL_CONFIG_ATTRIBUTES_RGBA_8888);
+  }
+
+  /**
+   * Returns a new {@link EGLContext} for the specified {@link EGLDisplay}, requesting ES 3 and an
+   * RGBA 1010102 config.
+   */
+  @RequiresApi(17)
+  public static EGLContext createEglContextEs3Rgba1010102(EGLDisplay eglDisplay) {
+    return Api17.createEglContext(eglDisplay, /* version= */ 3, EGL_CONFIG_ATTRIBUTES_RGBA_1010102);
   }
 
   /**
@@ -271,7 +186,24 @@ public final class GlUtil {
    */
   @RequiresApi(17)
   public static EGLSurface getEglSurface(EGLDisplay eglDisplay, Object surface) {
-    return Api17.getEglSurface(eglDisplay, surface);
+    return Api17.getEglSurface(
+        eglDisplay, surface, EGL_CONFIG_ATTRIBUTES_RGBA_8888, EGL_WINDOW_SURFACE_ATTRIBUTES_NONE);
+  }
+
+  /**
+   * Returns a new {@link EGLSurface} wrapping the specified {@code surface}, for HDR rendering with
+   * Rec. 2020 color primaries and using the PQ transfer function.
+   *
+   * @param eglDisplay The {@link EGLDisplay} to attach the surface to.
+   * @param surface The surface to wrap; must be a surface, surface texture or surface holder.
+   */
+  @RequiresApi(17)
+  public static EGLSurface getEglSurfaceBt2020Pq(EGLDisplay eglDisplay, Object surface) {
+    return Api17.getEglSurface(
+        eglDisplay,
+        surface,
+        EGL_CONFIG_ATTRIBUTES_RGBA_1010102,
+        EGL_WINDOW_SURFACE_ATTRIBUTES_BT2020_PQ);
   }
 
   /**
@@ -291,13 +223,29 @@ public final class GlUtil {
   }
 
   /**
-   * Makes the specified {@code surface} the render target, using a viewport of {@code width} by
+   * Makes the specified {@code eglSurface} the render target, using a viewport of {@code width} by
    * {@code height} pixels.
    */
   @RequiresApi(17)
-  public static void focusSurface(
+  public static void focusEglSurface(
-      EGLDisplay eglDisplay, EGLContext eglContext, EGLSurface surface, int width, int height) {
+      EGLDisplay eglDisplay, EGLContext eglContext, EGLSurface eglSurface, int width, int height) {
-    Api17.focusSurface(eglDisplay, eglContext, surface, width, height);
+    Api17.focusRenderTarget(
+        eglDisplay, eglContext, eglSurface, /* framebuffer= */ 0, width, height);
+  }
+
+  /**
+   * Makes the specified {@code framebuffer} the render target, using a viewport of {@code width} by
+   * {@code height} pixels.
+   */
+  @RequiresApi(17)
+  public static void focusFramebuffer(
+      EGLDisplay eglDisplay,
+      EGLContext eglContext,
+      EGLSurface eglSurface,
+      int framebuffer,
+      int width,
+      int height) {
+    Api17.focusRenderTarget(eglDisplay, eglContext, eglSurface, framebuffer, width, height);
   }
 
   /**
@@ -362,46 +310,73 @@ public final class GlUtil {
    * GL_CLAMP_TO_EDGE wrapping.
    */
   public static int createExternalTexture() {
+    return generateAndBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES);
+  }
+
+  /**
+   * Returns the texture identifier for a newly-allocated texture with the specified dimensions.
+   *
+   * @param width of the new texture in pixels
+   * @param height of the new texture in pixels
+   */
+  public static int createTexture(int width, int height) {
+    int texId = generateAndBindTexture(GLES20.GL_TEXTURE_2D);
+    ByteBuffer byteBuffer = ByteBuffer.allocateDirect(width * height * 4);
+    GLES20.glTexImage2D(
+        GLES20.GL_TEXTURE_2D,
+        /* level= */ 0,
+        GLES20.GL_RGBA,
+        width,
+        height,
+        /* border= */ 0,
+        GLES20.GL_RGBA,
+        GLES20.GL_UNSIGNED_BYTE,
+        byteBuffer);
+    checkGlError();
+    return texId;
+  }
+
+  /**
+   * Returns a GL texture identifier of a newly generated and bound texture of the requested type
+   * with default configuration of GL_LINEAR filtering and GL_CLAMP_TO_EDGE wrapping.
+   *
+   * @param textureTarget The target to which the texture is bound, e.g. {@link
+   *     GLES20#GL_TEXTURE_2D} for a two-dimensional texture or {@link
+   *     GLES11Ext#GL_TEXTURE_EXTERNAL_OES} for an external texture.
+   */
+  private static int generateAndBindTexture(int textureTarget) {
     int[] texId = new int[1];
-    GLES20.glGenTextures(/* n= */ 1, IntBuffer.wrap(texId));
+    GLES20.glGenTextures(/* n= */ 1, texId, /* offset= */ 0);
-    GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, texId[0]);
+    checkGlError();
-    GLES20.glTexParameteri(
+    GLES20.glBindTexture(textureTarget, texId[0]);
-        GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
+    checkGlError();
-    GLES20.glTexParameteri(
+    GLES20.glTexParameteri(textureTarget, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
-        GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
+    checkGlError();
-    GLES20.glTexParameteri(
+    GLES20.glTexParameteri(textureTarget, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
-        GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
+    checkGlError();
-    GLES20.glTexParameteri(
+    GLES20.glTexParameteri(textureTarget, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
-        GLES11Ext.GL_TEXTURE_EXTERNAL_OES, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
     checkGlError();
     return texId[0];
   }
 
-  private static void addShader(int programId, int type, String glsl) {
+  /**
-    int shader = GLES20.glCreateShader(type);
+   * Returns a new framebuffer for the texture.
-    GLES20.glShaderSource(shader, glsl);
+   *
-    GLES20.glCompileShader(shader);
+   * @param texId The identifier of the texture to attach to the framebuffer.
-
+   */
-    int[] result = new int[] {GLES20.GL_FALSE};
+  public static int createFboForTexture(int texId) {
-    GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, result, /* offset= */ 0);
+    int[] fboId = new int[1];
-    if (result[0] != GLES20.GL_TRUE) {
+    GLES20.glGenFramebuffers(/* n= */ 1, fboId, /* offset= */ 0);
-      throwGlException(GLES20.glGetShaderInfoLog(shader) + ", source: " + glsl);
-    }
-
-    GLES20.glAttachShader(programId, shader);
-    GLES20.glDeleteShader(shader);
     checkGlError();
+    GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, fboId[0]);
+    checkGlError();
+    GLES20.glFramebufferTexture2D(
+        GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0, GLES20.GL_TEXTURE_2D, texId, 0);
+    checkGlError();
+    return fboId[0];
   }
 
-  private static int getAttributeLocation(int programId, String attributeName) {
+  /* package */ static void throwGlException(String errorMsg) {
-    return GLES20.glGetAttribLocation(programId, attributeName);
-  }
-
-  private static int getUniformLocation(int programId, String uniformName) {
-    return GLES20.glGetUniformLocation(programId, uniformName);
-  }
-
-  private static void throwGlException(String errorMsg) {
     Log.e(TAG, errorMsg);
     if (glAssertionsEnabled) {
       throw new GlException(errorMsg);
@@ -414,200 +389,6 @@ public final class GlUtil {
     }
   }
 
-  /** Returns the length of the null-terminated string in {@code strVal}. */
-  private static int strlen(byte[] strVal) {
-    for (int i = 0; i < strVal.length; ++i) {
-      if (strVal[i] == '\0') {
-        return i;
-      }
-    }
-    return strVal.length;
-  }
-
-  /**
-   * GL attribute, which can be attached to a buffer with {@link Attribute#setBuffer(float[], int)}.
-   */
-  private static final class Attribute {
-
-    /* Returns the attribute at the given index in the program. */
-    public static Attribute create(int programId, int index) {
-      int[] length = new int[1];
-      GLES20.glGetProgramiv(
-          programId, GLES20.GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, length, /* offset= */ 0);
-      byte[] nameBytes = new byte[length[0]];
-
-      GLES20.glGetActiveAttrib(
-          programId,
-          index,
-          length[0],
-          /* unusedLength */ new int[1],
-          /* lengthOffset= */ 0,
-          /* unusedSize */ new int[1],
-          /* sizeOffset= */ 0,
-          /* unusedType */ new int[1],
-          /* typeOffset= */ 0,
-          nameBytes,
-          /* nameOffset= */ 0);
-      String name = new String(nameBytes, /* offset= */ 0, strlen(nameBytes));
-      int location = getAttributeLocation(programId, name);
-
-      return new Attribute(name, index, location);
-    }
-
-    /** The name of the attribute in the GLSL sources. */
-    public final String name;
-
-    private final int index;
-    private final int location;
-
-    @Nullable private Buffer buffer;
-    private int size;
-
-    private Attribute(String name, int index, int location) {
-      this.name = name;
-      this.index = index;
-      this.location = location;
-    }
-
-    /**
-     * Configures {@link #bind()} to attach vertices in {@code buffer} (each of size {@code size}
-     * elements) to this {@link Attribute}.
-     *
-     * @param buffer Buffer to bind to this attribute.
-     * @param size Number of elements per vertex.
-     */
-    public void setBuffer(float[] buffer, int size) {
-      this.buffer = createBuffer(buffer);
-      this.size = size;
-    }
-
-    /**
-     * Sets the vertex attribute to whatever was attached via {@link #setBuffer(float[], int)}.
-     *
-     * <p>Should be called before each drawing call.
-     */
-    public void bind() {
-      Buffer buffer = checkNotNull(this.buffer, "call setBuffer before bind");
-      GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, /* buffer= */ 0);
-      GLES20.glVertexAttribPointer(
-          location, size, GLES20.GL_FLOAT, /* normalized= */ false, /* stride= */ 0, buffer);
-      GLES20.glEnableVertexAttribArray(index);
-      checkGlError();
-    }
-  }
-
-  /**
-   * GL uniform, which can be attached to a sampler using {@link Uniform#setSamplerTexId(int, int)}.
-   */
-  private static final class Uniform {
-
-    /** Returns the uniform at the given index in the program. */
-    public static Uniform create(int programId, int index) {
-      int[] length = new int[1];
-      GLES20.glGetProgramiv(
-          programId, GLES20.GL_ACTIVE_UNIFORM_MAX_LENGTH, length, /* offset= */ 0);
-
-      int[] type = new int[1];
-      byte[] nameBytes = new byte[length[0]];
-
-      GLES20.glGetActiveUniform(
-          programId,
-          index,
-          length[0],
-          /* unusedLength */ new int[1],
-          /* lengthOffset= */ 0,
-          /* unusedSize */ new int[1],
-          /*sizeOffset= */ 0,
-          type,
-          /* typeOffset= */ 0,
-          nameBytes,
-          /* nameOffset= */ 0);
-      String name = new String(nameBytes, /* offset= */ 0, strlen(nameBytes));
-      int location = getUniformLocation(programId, name);
-
-      return new Uniform(name, location, type[0]);
-    }
-
-    /** The name of the uniform in the GLSL sources. */
-    public final String name;
-
-    private final int location;
-    private final int type;
-    private final float[] value;
-
-    private int texId;
-    private int unit;
-
-    private Uniform(String name, int location, int type) {
-      this.name = name;
-      this.location = location;
-      this.type = type;
-      this.value = new float[16];
-    }
-
-    /**
-     * Configures {@link #bind()} to use the specified {@code texId} for this sampler uniform.
-     *
-     * @param texId The GL texture identifier from which to sample.
-     * @param unit The GL texture unit index.
-     */
-    public void setSamplerTexId(int texId, int unit) {
-      this.texId = texId;
-      this.unit = unit;
-    }
-
-    /** Configures {@link #bind()} to use the specified float {@code value} for this uniform. */
-    public void setFloat(float value) {
-      this.value[0] = value;
-    }
-
-    /** Configures {@link #bind()} to use the specified float[] {@code value} for this uniform. */
-    public void setFloats(float[] value) {
-      System.arraycopy(value, /* srcPos= */ 0, this.value, /* destPos= */ 0, value.length);
-    }
-
-    /**
-     * Sets the uniform to whatever value was passed via {@link #setSamplerTexId(int, int)}, {@link
-     * #setFloat(float)} or {@link #setFloats(float[])}.
-     *
-     * <p>Should be called before each drawing call.
-     */
-    public void bind() {
-      if (type == GLES20.GL_FLOAT) {
-        GLES20.glUniform1fv(location, /* count= */ 1, value, /* offset= */ 0);
-        checkGlError();
-        return;
-      }
-
-      if (type == GLES20.GL_FLOAT_MAT4) {
-        GLES20.glUniformMatrix4fv(
-            location, /* count= */ 1, /* transpose= */ false, value, /* offset= */ 0);
-        checkGlError();
-        return;
-      }
-
-      if (texId == 0) {
-        throw new IllegalStateException("No call to setSamplerTexId() before bind.");
-      }
-      GLES20.glActiveTexture(GLES20.GL_TEXTURE0 + unit);
-      if (type == GLES11Ext.GL_SAMPLER_EXTERNAL_OES) {
-        GLES20.glBindTexture(GLES11Ext.GL_TEXTURE_EXTERNAL_OES, texId);
-      } else if (type == GLES20.GL_SAMPLER_2D) {
-        GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, texId);
-      } else {
-        throw new IllegalStateException("Unexpected uniform type: " + type);
-      }
-      GLES20.glUniform1i(location, unit);
-      GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
-      GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
-      GLES20.glTexParameteri(
-          GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
-      GLES20.glTexParameteri(
-          GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
-      checkGlError();
-    }
-  }
-
   @RequiresApi(17)
   private static final class Api17 {
     private Api17() {}
@@ -629,12 +410,13 @@ public final class GlUtil {
     }
 
     @DoNotInline
-    public static EGLContext createEglContext(EGLDisplay eglDisplay) {
+    public static EGLContext createEglContext(
-      int[] contextAttributes = {EGL14.EGL_CONTEXT_CLIENT_VERSION, 2, EGL14.EGL_NONE};
+        EGLDisplay eglDisplay, int version, int[] configAttributes) {
+      int[] contextAttributes = {EGL14.EGL_CONTEXT_CLIENT_VERSION, version, EGL14.EGL_NONE};
       EGLContext eglContext =
           EGL14.eglCreateContext(
               eglDisplay,
-              getEglConfig(eglDisplay),
+              getEglConfig(eglDisplay, configAttributes),
               EGL14.EGL_NO_CONTEXT,
               contextAttributes,
               /* offset= */ 0);
@@ -642,32 +424,41 @@ public final class GlUtil {
         EGL14.eglTerminate(eglDisplay);
         throwGlException(
             "eglCreateContext() failed to create a valid context. The device may not support EGL"
-                + " version 2");
+                + " version "
+                + version);
       }
       checkGlError();
       return eglContext;
     }
 
     @DoNotInline
-    public static EGLSurface getEglSurface(EGLDisplay eglDisplay, Object surface) {
+    public static EGLSurface getEglSurface(
+        EGLDisplay eglDisplay,
+        Object surface,
+        int[] configAttributes,
+        int[] windowSurfaceAttributes) {
       return EGL14.eglCreateWindowSurface(
           eglDisplay,
-          getEglConfig(eglDisplay),
+          getEglConfig(eglDisplay, configAttributes),
           surface,
-          new int[] {EGL14.EGL_NONE},
+          windowSurfaceAttributes,
           /* offset= */ 0);
     }
 
     @DoNotInline
-    public static void focusSurface(
+    public static void focusRenderTarget(
-        EGLDisplay eglDisplay, EGLContext eglContext, EGLSurface surface, int width, int height) {
+        EGLDisplay eglDisplay,
-      int[] boundFrameBuffer = new int[1];
+        EGLContext eglContext,
-      GLES20.glGetIntegerv(GLES20.GL_FRAMEBUFFER_BINDING, boundFrameBuffer, /* offset= */ 0);
+        EGLSurface eglSurface,
-      int defaultFrameBuffer = 0;
+        int framebuffer,
-      if (boundFrameBuffer[0] != defaultFrameBuffer) {
+        int width,
-        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, defaultFrameBuffer);
+        int height) {
+      int[] boundFramebuffer = new int[1];
+      GLES20.glGetIntegerv(GLES20.GL_FRAMEBUFFER_BINDING, boundFramebuffer, /* offset= */ 0);
+      if (boundFramebuffer[0] != framebuffer) {
+        GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, framebuffer);
       }
-      EGL14.eglMakeCurrent(eglDisplay, surface, surface, eglContext);
+      EGL14.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext);
       GLES20.glViewport(/* x= */ 0, /* y= */ 0, width, height);
     }
 
@@ -695,22 +486,11 @@ public final class GlUtil {
     }
 
     @DoNotInline
-    private static EGLConfig getEglConfig(EGLDisplay eglDisplay) {
+    private static EGLConfig getEglConfig(EGLDisplay eglDisplay, int[] attributes) {
-      int[] defaultConfiguration =
-          new int[] {
-            EGL14.EGL_RENDERABLE_TYPE, EGL14.EGL_OPENGL_ES2_BIT,
-            EGL14.EGL_RED_SIZE, /* redSize= */ 8,
-            EGL14.EGL_GREEN_SIZE, /* greenSize= */ 8,
-            EGL14.EGL_BLUE_SIZE, /* blueSize= */ 8,
-            EGL14.EGL_ALPHA_SIZE, /* alphaSize= */ 8,
-            EGL14.EGL_DEPTH_SIZE, /* depthSize= */ 0,
-            EGL14.EGL_STENCIL_SIZE, /* stencilSize= */ 0,
-            EGL14.EGL_NONE
-          };
       EGLConfig[] eglConfigs = new EGLConfig[1];
       if (!EGL14.eglChooseConfig(
           eglDisplay,
-          defaultConfiguration,
+          attributes,
           /* attrib_listOffset= */ 0,
           eglConfigs,
           /* configsOffset= */ 0,

libraries/common/src/main/java/androidx/media3/common/util/LibraryLoader.java

@@ -19,7 +19,7 @@ import java.util.Arrays;
 
 /** Configurable loader for native libraries. */
 @UnstableApi
-public final class LibraryLoader {
+public abstract class LibraryLoader {
 
   private static final String TAG = "LibraryLoader";
 
@@ -27,7 +27,9 @@ public final class LibraryLoader {
   private boolean loadAttempted;
   private boolean isAvailable;
 
-  /** @param libraries The names of the libraries to load. */
+  /**
+   * @param libraries The names of the libraries to load.
+   */
   public LibraryLoader(String... libraries) {
     nativeLibraries = libraries;
   }
@@ -49,7 +51,7 @@ public final class LibraryLoader {
     loadAttempted = true;
     try {
       for (String lib : nativeLibraries) {
-        System.loadLibrary(lib);
+        loadLibrary(lib);
       }
       isAvailable = true;
     } catch (UnsatisfiedLinkError exception) {
@@ -59,4 +61,17 @@ public final class LibraryLoader {
     }
     return isAvailable;
   }
+
+  /**
+   * Should be implemented to call {@code System.loadLibrary(name)}.
+   *
+   * <p>It's necessary for each subclass to implement this method because {@link
+   * System#loadLibrary(String)} uses reflection to obtain the calling class, which is then used to
+   * obtain the class loader to use when loading the native library. If this class were to implement
+   * the method directly, and if a subclass were to have a different class loader, then loading of
+   * the native library would fail.
+   *
+   * @param name The name of the library to load.
+   */
+  protected abstract void loadLibrary(String name);
 }

libraries/common/src/main/java/androidx/media3/common/util/ListenerSet.java

@@ -118,6 +118,21 @@ public final class ListenerSet<T extends @NonNull Object> {
    */
   @CheckResult
   public ListenerSet<T> copy(Looper looper, IterationFinishedEvent<T> iterationFinishedEvent) {
+    return copy(looper, clock, iterationFinishedEvent);
+  }
+
+  /**
+   * Copies the listener set.
+   *
+   * @param looper The new {@link Looper} for the copied listener set.
+   * @param clock The new {@link Clock} for the copied listener set.
+   * @param iterationFinishedEvent The new {@link IterationFinishedEvent} sent when all other events
+   *     sent during one {@link Looper} message queue iteration were handled by the listeners.
+   * @return The copied listener set.
+   */
+  @CheckResult
+  public ListenerSet<T> copy(
+      Looper looper, Clock clock, IterationFinishedEvent<T> iterationFinishedEvent) {
     return new ListenerSet<>(listeners, looper, clock, iterationFinishedEvent);
   }
 
@@ -152,6 +167,11 @@ public final class ListenerSet<T extends @NonNull Object> {
     }
   }
 
+  /** Removes all listeners from the set. */
+  public void clear() {
+    listeners.clear();
+  }
+
   /** Returns the number of added listeners. */
   public int size() {
     return listeners.size();

libraries/common/src/main/java/androidx/media3/common/util/Log.java

@@ -15,6 +15,8 @@
  */
 package androidx.media3.common.util;
 
+import static java.lang.annotation.ElementType.TYPE_USE;
+
 import android.text.TextUtils;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
@@ -22,6 +24,7 @@ import androidx.annotation.Size;
 import java.lang.annotation.Documented;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.net.UnknownHostException;
 import org.checkerframework.dataflow.qual.Pure;
 
@@ -35,8 +38,9 @@ public final class Log {
    */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
+  @Target(TYPE_USE)
   @IntDef({LOG_LEVEL_ALL, LOG_LEVEL_INFO, LOG_LEVEL_WARNING, LOG_LEVEL_ERROR, LOG_LEVEL_OFF})
-  @interface LogLevel {}
+  public @interface LogLevel {}
   /** Log level to log all messages. */
   public static final int LOG_LEVEL_ALL = 0;
   /** Log level to only log informative, warning and error messages. */
@@ -78,7 +82,9 @@ public final class Log {
     Log.logStackTraces = logStackTraces;
   }
 
-  /** @see android.util.Log#d(String, String) */
+  /**
+   * @see android.util.Log#d(String, String)
+   */
   @Pure
   public static void d(@Size(max = 23) String tag, String message) {
     if (logLevel == LOG_LEVEL_ALL) {
@@ -86,13 +92,17 @@ public final class Log {
     }
   }
 
-  /** @see android.util.Log#d(String, String, Throwable) */
+  /**
+   * @see android.util.Log#d(String, String, Throwable)
+   */
   @Pure
   public static void d(@Size(max = 23) String tag, String message, @Nullable Throwable throwable) {
     d(tag, appendThrowableString(message, throwable));
   }
 
-  /** @see android.util.Log#i(String, String) */
+  /**
+   * @see android.util.Log#i(String, String)
+   */
   @Pure
   public static void i(@Size(max = 23) String tag, String message) {
     if (logLevel <= LOG_LEVEL_INFO) {
@@ -100,13 +110,17 @@ public final class Log {
     }
   }
 
-  /** @see android.util.Log#i(String, String, Throwable) */
+  /**
+   * @see android.util.Log#i(String, String, Throwable)
+   */
   @Pure
   public static void i(@Size(max = 23) String tag, String message, @Nullable Throwable throwable) {
     i(tag, appendThrowableString(message, throwable));
   }
 
-  /** @see android.util.Log#w(String, String) */
+  /**
+   * @see android.util.Log#w(String, String)
+   */
   @Pure
   public static void w(@Size(max = 23) String tag, String message) {
     if (logLevel <= LOG_LEVEL_WARNING) {
@@ -114,13 +128,17 @@ public final class Log {
     }
   }
 
-  /** @see android.util.Log#w(String, String, Throwable) */
+  /**
+   * @see android.util.Log#w(String, String, Throwable)
+   */
   @Pure
   public static void w(@Size(max = 23) String tag, String message, @Nullable Throwable throwable) {
     w(tag, appendThrowableString(message, throwable));
   }
 
-  /** @see android.util.Log#e(String, String) */
+  /**
+   * @see android.util.Log#e(String, String)
+   */
   @Pure
   public static void e(@Size(max = 23) String tag, String message) {
     if (logLevel <= LOG_LEVEL_ERROR) {
@@ -128,7 +146,9 @@ public final class Log {
     }
   }
 
-  /** @see android.util.Log#e(String, String, Throwable) */
+  /**
+   * @see android.util.Log#e(String, String, Throwable)
+   */
   @Pure
   public static void e(@Size(max = 23) String tag, String message, @Nullable Throwable throwable) {
     e(tag, appendThrowableString(message, throwable));

libraries/common/src/main/java/androidx/media3/common/util/LongArray.java

@@ -30,7 +30,9 @@ public final class LongArray {
     this(DEFAULT_INITIAL_CAPACITY);
   }
 
-  /** @param initialCapacity The initial capacity of the array. */
+  /**
+   * @param initialCapacity The initial capacity of the array.
+   */
   public LongArray(int initialCapacity) {
     values = new long[initialCapacity];
   }

libraries/common/src/main/java/androidx/media3/common/util/MediaFormatUtil.java

@@ -221,6 +221,17 @@ public final class MediaFormatUtil {
       case C.ENCODING_PCM_FLOAT:
         mediaFormatPcmEncoding = AudioFormat.ENCODING_PCM_FLOAT;
         break;
+      case C.ENCODING_PCM_24BIT:
+        mediaFormatPcmEncoding = AudioFormat.ENCODING_PCM_24BIT_PACKED;
+        break;
+      case C.ENCODING_PCM_32BIT:
+        mediaFormatPcmEncoding = AudioFormat.ENCODING_PCM_32BIT;
+        break;
+      case C.ENCODING_INVALID:
+        mediaFormatPcmEncoding = AudioFormat.ENCODING_INVALID;
+        break;
+      case Format.NO_VALUE:
+      case C.ENCODING_PCM_16BIT_BIG_ENDIAN:
       default:
         // No matching value. Do nothing.
         return;