Switch DRM and download components from HttpDataSource to DataSource

All the (Http)DataSource interactions can be done with the DataSource
interface and don't need HttpDataSource.

PiperOrigin-RevId: 436520898

demos/main/src/main/java/com/google/android/exoplayer2/demo/DownloadTracker.java

@@ -46,7 +46,7 @@ import com.google.android.exoplayer2.source.TrackGroup;
 import com.google.android.exoplayer2.source.TrackGroupArray;
 import com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo;
 import com.google.android.exoplayer2.trackselection.TrackSelectionParameters;
-import com.google.android.exoplayer2.upstream.HttpDataSource;
+import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.util.Log;
 import com.google.android.exoplayer2.util.Util;
 import java.io.IOException;
@@ -66,7 +66,7 @@ public class DownloadTracker {
   private static final String TAG = "DownloadTracker";
 
   private final Context context;
-  private final HttpDataSource.Factory httpDataSourceFactory;
+  private final DataSource.Factory dataSourceFactory;
   private final CopyOnWriteArraySet<Listener> listeners;
   private final HashMap<Uri, Download> downloads;
   private final DownloadIndex downloadIndex;
@@ -74,11 +74,9 @@ public class DownloadTracker {
   @Nullable private StartDownloadDialogHelper startDownloadDialogHelper;
 
   public DownloadTracker(
-      Context context,
-      HttpDataSource.Factory httpDataSourceFactory,
-      DownloadManager downloadManager) {
+      Context context, DataSource.Factory dataSourceFactory, DownloadManager downloadManager) {
     this.context = context.getApplicationContext();
-    this.httpDataSourceFactory = httpDataSourceFactory;
+    this.dataSourceFactory = dataSourceFactory;
     listeners = new CopyOnWriteArraySet<>();
     downloads = new HashMap<>();
     downloadIndex = downloadManager.getDownloadIndex();
@@ -119,8 +117,7 @@ public class DownloadTracker {
       startDownloadDialogHelper =
           new StartDownloadDialogHelper(
               fragmentManager,
-              DownloadHelper.forMediaItem(
-                  context, mediaItem, renderersFactory, httpDataSourceFactory),
+              DownloadHelper.forMediaItem(context, mediaItem, renderersFactory, dataSourceFactory),
               mediaItem);
     }
   }
@@ -218,7 +215,7 @@ public class DownloadTracker {
           new WidevineOfflineLicenseFetchTask(
               format,
               mediaItem.localConfiguration.drmConfiguration,
-              httpDataSourceFactory,
+              dataSourceFactory,
               /* dialogHelper= */ this,
               helper);
       widevineOfflineLicenseFetchTask.execute();
@@ -361,7 +358,7 @@ public class DownloadTracker {
 
     private final Format format;
     private final MediaItem.DrmConfiguration drmConfiguration;
-    private final HttpDataSource.Factory httpDataSourceFactory;
+    private final DataSource.Factory dataSourceFactory;
     private final StartDownloadDialogHelper dialogHelper;
     private final DownloadHelper downloadHelper;
 
@@ -371,12 +368,12 @@ public class DownloadTracker {
     public WidevineOfflineLicenseFetchTask(
         Format format,
         MediaItem.DrmConfiguration drmConfiguration,
-        HttpDataSource.Factory httpDataSourceFactory,
+        DataSource.Factory dataSourceFactory,
         StartDownloadDialogHelper dialogHelper,
         DownloadHelper downloadHelper) {
       this.format = format;
       this.drmConfiguration = drmConfiguration;
-      this.httpDataSourceFactory = httpDataSourceFactory;
+      this.dataSourceFactory = dataSourceFactory;
       this.dialogHelper = dialogHelper;
       this.downloadHelper = downloadHelper;
     }
@@ -387,7 +384,7 @@ public class DownloadTracker {
           OfflineLicenseHelper.newWidevineInstance(
               drmConfiguration.licenseUri.toString(),
               drmConfiguration.forceDefaultLicenseUri,
-              httpDataSourceFactory,
+              dataSourceFactory,
               drmConfiguration.licenseRequestHeaders,
               new DrmSessionEventListener.EventDispatcher());
       try {

library/core/src/main/java/com/google/android/exoplayer2/drm/DefaultDrmSessionManagerProvider.java

@@ -22,8 +22,8 @@ import androidx.annotation.GuardedBy;
 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
 import com.google.android.exoplayer2.MediaItem;
+import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.upstream.DefaultHttpDataSource;
-import com.google.android.exoplayer2.upstream.HttpDataSource;
 import com.google.android.exoplayer2.util.Util;
 import com.google.common.primitives.Ints;
 import java.util.Map;
@@ -40,7 +40,7 @@ public final class DefaultDrmSessionManagerProvider implements DrmSessionManager
   @GuardedBy("lock")
   private @MonotonicNonNull DrmSessionManager manager;
 
-  @Nullable private HttpDataSource.Factory drmHttpDataSourceFactory;
+  @Nullable private DataSource.Factory drmHttpDataSourceFactory;
   @Nullable private String userAgent;
 
   public DefaultDrmSessionManagerProvider() {
@@ -48,23 +48,21 @@ public final class DefaultDrmSessionManagerProvider implements DrmSessionManager
   }
 
   /**
-   * Sets the {@link HttpDataSource.Factory} to be used for creating {@link HttpMediaDrmCallback
-   * HttpMediaDrmCallbacks} which executes key and provisioning requests over HTTP. If {@code null}
-   * is passed the {@link DefaultHttpDataSource.Factory} is used.
+   * Sets the {@link DataSource.Factory} which is used to create {@link HttpMediaDrmCallback}
+   * instances. If {@code null} is passed a {@link DefaultHttpDataSource.Factory} is used.
    *
-   * @param drmHttpDataSourceFactory The HTTP data source factory or {@code null} to use {@link
+   * @param drmDataSourceFactory The data source factory or {@code null} to use {@link
    *     DefaultHttpDataSource.Factory}.
    */
-  public void setDrmHttpDataSourceFactory(
-      @Nullable HttpDataSource.Factory drmHttpDataSourceFactory) {
-    this.drmHttpDataSourceFactory = drmHttpDataSourceFactory;
+  public void setDrmHttpDataSourceFactory(@Nullable DataSource.Factory drmDataSourceFactory) {
+    this.drmHttpDataSourceFactory = drmDataSourceFactory;
   }
 
   /**
    * Sets the optional user agent to be used for DRM requests.
    *
-   * <p>In case a factory has been set by {@link
-   * #setDrmHttpDataSourceFactory(HttpDataSource.Factory)}, this user agent is ignored.
+   * <p>In case a factory has been set by {@link #setDrmHttpDataSourceFactory(DataSource.Factory)},
+   * this user agent is ignored.
    *
    * @param userAgent The user agent to be used for DRM requests.
    */
@@ -92,7 +90,7 @@ public final class DefaultDrmSessionManagerProvider implements DrmSessionManager
 
   @RequiresApi(18)
   private DrmSessionManager createManager(MediaItem.DrmConfiguration drmConfiguration) {
-    HttpDataSource.Factory dataSourceFactory =
+    DataSource.Factory dataSourceFactory =
         drmHttpDataSourceFactory != null
             ? drmHttpDataSourceFactory
             : new DefaultHttpDataSource.Factory().setUserAgent(userAgent);

library/core/src/main/java/com/google/android/exoplayer2/drm/HttpMediaDrmCallback.java

@@ -21,9 +21,9 @@ import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.drm.ExoMediaDrm.KeyRequest;
 import com.google.android.exoplayer2.drm.ExoMediaDrm.ProvisionRequest;
+import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.upstream.DataSourceInputStream;
 import com.google.android.exoplayer2.upstream.DataSpec;
-import com.google.android.exoplayer2.upstream.HttpDataSource;
 import com.google.android.exoplayer2.upstream.HttpDataSource.InvalidResponseCodeException;
 import com.google.android.exoplayer2.upstream.StatsDataSource;
 import com.google.android.exoplayer2.util.Assertions;
@@ -35,40 +35,46 @@ import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 
-/** A {@link MediaDrmCallback} that makes requests using {@link HttpDataSource} instances. */
+/** A {@link MediaDrmCallback} that makes requests using {@link DataSource} instances. */
 public final class HttpMediaDrmCallback implements MediaDrmCallback {
 
   private static final int MAX_MANUAL_REDIRECTS = 5;
 
-  private final HttpDataSource.Factory dataSourceFactory;
+  private final DataSource.Factory dataSourceFactory;
   @Nullable private final String defaultLicenseUrl;
   private final boolean forceDefaultLicenseUrl;
   private final Map<String, String> keyRequestProperties;
 
   /**
+   * Constructs an instance.
+   *
    * @param defaultLicenseUrl The default license URL. Used for key requests that do not specify
    *     their own license URL. May be {@code null} if it's known that all key requests will specify
    *     their own URLs.
-   * @param dataSourceFactory A factory from which to obtain {@link HttpDataSource} instances.
+   * @param dataSourceFactory A factory from which to obtain {@link DataSource} instances. This will
+   *     usually be an HTTP-based {@link DataSource}.
    */
   public HttpMediaDrmCallback(
-      @Nullable String defaultLicenseUrl, HttpDataSource.Factory dataSourceFactory) {
+      @Nullable String defaultLicenseUrl, DataSource.Factory dataSourceFactory) {
     this(defaultLicenseUrl, /* forceDefaultLicenseUrl= */ false, dataSourceFactory);
   }
 
   /**
+   * Constructs an instance.
+   *
    * @param defaultLicenseUrl The default license URL. Used for key requests that do not specify
    *     their own license URL, or for all key requests if {@code forceDefaultLicenseUrl} is set to
    *     true. May be {@code null} if {@code forceDefaultLicenseUrl} is {@code false} and if it's
    *     known that all key requests will specify their own URLs.
    * @param forceDefaultLicenseUrl Whether to force use of {@code defaultLicenseUrl} for key
    *     requests that include their own license URL.
-   * @param dataSourceFactory A factory from which to obtain {@link HttpDataSource} instances.
+   * @param dataSourceFactory A factory from which to obtain {@link DataSource} instances. This will
+   *     * usually be an HTTP-based {@link DataSource}.
    */
   public HttpMediaDrmCallback(
       @Nullable String defaultLicenseUrl,
       boolean forceDefaultLicenseUrl,
-      HttpDataSource.Factory dataSourceFactory) {
+      DataSource.Factory dataSourceFactory) {
     Assertions.checkArgument(!(forceDefaultLicenseUrl && TextUtils.isEmpty(defaultLicenseUrl)));
     this.dataSourceFactory = dataSourceFactory;
     this.defaultLicenseUrl = defaultLicenseUrl;
@@ -154,7 +160,7 @@ public final class HttpMediaDrmCallback implements MediaDrmCallback {
   }
 
   private static byte[] executePost(
-      HttpDataSource.Factory dataSourceFactory,
+      DataSource.Factory dataSourceFactory,
       String url,
       @Nullable byte[] httpBody,
       Map<String, String> requestProperties)

library/core/src/main/java/com/google/android/exoplayer2/drm/OfflineLicenseHelper.java

@@ -27,7 +27,7 @@ import com.google.android.exoplayer2.analytics.PlayerId;
 import com.google.android.exoplayer2.drm.DefaultDrmSessionManager.Mode;
 import com.google.android.exoplayer2.drm.DrmSession.DrmSessionException;
 import com.google.android.exoplayer2.source.MediaSource.MediaPeriodId;
-import com.google.android.exoplayer2.upstream.HttpDataSource;
+import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.util.Assertions;
 import java.util.Map;
 import java.util.UUID;
@@ -50,20 +50,17 @@ public final class OfflineLicenseHelper {
    *
    * @param defaultLicenseUrl The default license URL. Used for key requests that do not specify
    *     their own license URL.
-   * @param httpDataSourceFactory A factory from which to obtain {@link HttpDataSource} instances.
+   * @param dataSourceFactory A factory from which to obtain {@link DataSource} instances.
    * @param eventDispatcher A {@link DrmSessionEventListener.EventDispatcher} used to distribute
    *     DRM-related events.
    * @return A new instance which uses Widevine CDM.
    */
   public static OfflineLicenseHelper newWidevineInstance(
       String defaultLicenseUrl,
-      HttpDataSource.Factory httpDataSourceFactory,
+      DataSource.Factory dataSourceFactory,
       DrmSessionEventListener.EventDispatcher eventDispatcher) {
     return newWidevineInstance(
-        defaultLicenseUrl,
-        /* forceDefaultLicenseUrl= */ false,
-        httpDataSourceFactory,
-        eventDispatcher);
+        defaultLicenseUrl, /* forceDefaultLicenseUrl= */ false, dataSourceFactory, eventDispatcher);
   }
 
   /**
@@ -74,7 +71,7 @@ public final class OfflineLicenseHelper {
    *     their own license URL.
    * @param forceDefaultLicenseUrl Whether to use {@code defaultLicenseUrl} for key requests that
    *     include their own license URL.
-   * @param httpDataSourceFactory A factory from which to obtain {@link HttpDataSource} instances.
+   * @param dataSourceFactory A factory from which to obtain {@link DataSource} instances.
    * @param eventDispatcher A {@link DrmSessionEventListener.EventDispatcher} used to distribute
    *     DRM-related events.
    * @return A new instance which uses Widevine CDM.
@@ -82,12 +79,12 @@ public final class OfflineLicenseHelper {
   public static OfflineLicenseHelper newWidevineInstance(
       String defaultLicenseUrl,
       boolean forceDefaultLicenseUrl,
-      HttpDataSource.Factory httpDataSourceFactory,
+      DataSource.Factory dataSourceFactory,
       DrmSessionEventListener.EventDispatcher eventDispatcher) {
     return newWidevineInstance(
         defaultLicenseUrl,
         forceDefaultLicenseUrl,
-        httpDataSourceFactory,
+        dataSourceFactory,
         /* optionalKeyRequestParameters= */ null,
         eventDispatcher);
   }
@@ -110,7 +107,7 @@ public final class OfflineLicenseHelper {
   public static OfflineLicenseHelper newWidevineInstance(
       String defaultLicenseUrl,
       boolean forceDefaultLicenseUrl,
-      HttpDataSource.Factory httpDataSourceFactory,
+      DataSource.Factory dataSourceFactory,
       @Nullable Map<String, String> optionalKeyRequestParameters,
       DrmSessionEventListener.EventDispatcher eventDispatcher) {
     return new OfflineLicenseHelper(
@@ -118,7 +115,7 @@ public final class OfflineLicenseHelper {
             .setKeyRequestParameters(optionalKeyRequestParameters)
             .build(
                 new HttpMediaDrmCallback(
-                    defaultLicenseUrl, forceDefaultLicenseUrl, httpDataSourceFactory)),
+                    defaultLicenseUrl, forceDefaultLicenseUrl, dataSourceFactory)),
         eventDispatcher);
   }