Add debug trace log for AssetLoader Renderer format events.

PiperOrigin-RevId: 634474584

libraries/effect/src/main/java/androidx/media3/effect/DebugTraceUtil.java

@@ -126,11 +126,11 @@ public final class DebugTraceUtil {
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @StringDef({
+    COMPONENT_ASSET_LOADER,
     COMPONENT_AUDIO_DECODER,
     COMPONENT_AUDIO_GRAPH,
     COMPONENT_AUDIO_MIXER,
     COMPONENT_AUDIO_ENCODER,
-    COMPONENT_VIDEO,
     COMPONENT_VIDEO_DECODER,
     COMPONENT_VFP,
     COMPONENT_BITMAP_TEXTURE_MANAGER,
@@ -143,9 +143,7 @@ public final class DebugTraceUtil {
   @Target(TYPE_USE)
   public @interface Component {}
 
-  // TODO - b/339639306: Migrate COMPONENT_VIDEO usage to COMPONENT_ASSETLOADER.
+  public static final String COMPONENT_ASSET_LOADER = "AssetLoader";
-  public static final String COMPONENT_VIDEO = "Video";
-
   public static final String COMPONENT_AUDIO_DECODER = "AudioDecoder";
   public static final String COMPONENT_AUDIO_GRAPH = "AudioGraph";
   public static final String COMPONENT_AUDIO_MIXER = "AudioMixer";
@@ -162,6 +160,7 @@ public final class DebugTraceUtil {
   // For a given component, events are in the rough expected order that they occur.
   private static final ImmutableMap<@Component String, List<@Event String>> COMPONENTS_TO_EVENTS =
       ImmutableMap.<String, List<String>>builder()
+          .put(COMPONENT_ASSET_LOADER, ImmutableList.of(EVENT_INPUT_FORMAT, EVENT_OUTPUT_FORMAT))
           .put(
               COMPONENT_AUDIO_DECODER,
               ImmutableList.of(
@@ -187,7 +186,6 @@ public final class DebugTraceUtil {
                   EVENT_PRODUCED_OUTPUT,
                   EVENT_INPUT_ENDED,
                   EVENT_OUTPUT_ENDED))
-          .put(COMPONENT_VIDEO, ImmutableList.of(EVENT_INPUT_FORMAT))
           .put(
               COMPONENT_VIDEO_DECODER,
               ImmutableList.of(

libraries/transformer/src/main/java/androidx/media3/transformer/ExoAssetLoaderVideoRenderer.java

@@ -17,8 +17,6 @@ package androidx.media3.transformer;
 
 import static androidx.media3.common.util.Assertions.checkNotNull;
 import static androidx.media3.common.util.Assertions.checkStateNotNull;
-import static androidx.media3.effect.DebugTraceUtil.COMPONENT_VIDEO;
-import static androidx.media3.effect.DebugTraceUtil.EVENT_INPUT_FORMAT;
 import static androidx.media3.transformer.TransformerUtil.getDecoderOutputColor;
 
 import android.media.MediaCodec;
@@ -27,7 +25,6 @@ import androidx.media3.common.C;
 import androidx.media3.common.ColorInfo;
 import androidx.media3.common.Format;
 import androidx.media3.decoder.DecoderInputBuffer;
-import androidx.media3.effect.DebugTraceUtil;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.List;
@@ -87,12 +84,6 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
 
   @Override
   protected void onInputFormatRead(Format inputFormat) {
-    DebugTraceUtil.logEvent(
-        COMPONENT_VIDEO,
-        EVENT_INPUT_FORMAT,
-        C.TIME_UNSET,
-        /* extraFormat= */ "%s",
-        /* extraArgs...= */ inputFormat);
     if (flattenForSlowMotion) {
       sefVideoSlowMotionFlattener = new SefSlowMotionFlattener(inputFormat);
     }

libraries/transformer/src/main/java/androidx/media3/transformer/SequenceAssetLoader.java

@@ -19,6 +19,9 @@ import static androidx.media3.common.util.Assertions.checkArgument;
 import static androidx.media3.common.util.Assertions.checkNotNull;
 import static androidx.media3.common.util.Assertions.checkState;
 import static androidx.media3.common.util.Assertions.checkStateNotNull;
+import static androidx.media3.effect.DebugTraceUtil.COMPONENT_ASSET_LOADER;
+import static androidx.media3.effect.DebugTraceUtil.EVENT_INPUT_FORMAT;
+import static androidx.media3.effect.DebugTraceUtil.EVENT_OUTPUT_FORMAT;
 import static androidx.media3.transformer.Transformer.PROGRESS_STATE_AVAILABLE;
 import static androidx.media3.transformer.Transformer.PROGRESS_STATE_NOT_STARTED;
 import static androidx.media3.transformer.TransformerUtil.getProcessedTrackType;
@@ -37,6 +40,7 @@ import androidx.media3.common.util.HandlerWrapper;
 import androidx.media3.common.util.TimestampIterator;
 import androidx.media3.common.util.Util;
 import androidx.media3.decoder.DecoderInputBuffer;
+import androidx.media3.effect.DebugTraceUtil;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import java.util.HashMap;
@@ -215,6 +219,14 @@ import java.util.concurrent.atomic.AtomicInteger;
   @Override
   public boolean onTrackAdded(Format inputFormat, @SupportedOutputTypes int supportedOutputTypes) {
     boolean isAudio = getProcessedTrackType(inputFormat.sampleMimeType) == C.TRACK_TYPE_AUDIO;
+    DebugTraceUtil.logEvent(
+        COMPONENT_ASSET_LOADER,
+        EVENT_INPUT_FORMAT,
+        C.TIME_UNSET,
+        "%s:%s",
+        isAudio ? "audio" : "video",
+        inputFormat);
+
     if (!isCurrentAssetFirstAsset) {
       return isAudio ? decodeAudio : decodeVideo;
     }
@@ -249,6 +261,14 @@ import java.util.concurrent.atomic.AtomicInteger;
   @Override
   public SampleConsumerWrapper onOutputFormat(Format format) throws ExportException {
     @C.TrackType int trackType = getProcessedTrackType(format.sampleMimeType);
+    DebugTraceUtil.logEvent(
+        COMPONENT_ASSET_LOADER,
+        EVENT_OUTPUT_FORMAT,
+        C.TIME_UNSET,
+        "%s:%s",
+        Util.getTrackTypeString(trackType),
+        format);
+
     SampleConsumerWrapper sampleConsumer;
     if (isCurrentAssetFirstAsset) {
       @Nullable