Rollback of b25d6ef249

PiperOrigin-RevId: 719238418

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

@@ -76,6 +76,7 @@ public final class DefaultMuxer implements Muxer {
     }
   }
 
+  public static final String MUXER_NAME = FrameworkMuxer.MUXER_NAME;
   private final Muxer muxer;
 
   private DefaultMuxer(Muxer muxer) {

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

@@ -127,6 +127,8 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   }
 
   private static final int SUCCESS_PROGRESS_PERCENTAGE = 100;
+  private final String exporterName;
+  @Nullable private final String muxerName;
   private @MonotonicNonNull EditingSession editingSession;
   private long startTimeMs;
 
@@ -135,9 +137,16 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
    *
    * <p>A new instance must be created before starting a new export.
    *
+   * <p>Both {@code exporterName} and {@code muxerName} should follow the format
+   * "<packageName>:<version>".
+   *
    * @param context The {@link Context}.
+   * @param exporterName Java package name and version of the library or application implementing
+   *     the editing operation.
+   * @param muxerName Java package name and version of the library or application that writes to the
+   *     output file.
    */
-  public EditingMetricsCollector(Context context) {
+  public EditingMetricsCollector(Context context, String exporterName, @Nullable String muxerName) {
     @Nullable
     MediaMetricsManager mediaMetricsManager =
         (MediaMetricsManager) context.getSystemService(Context.MEDIA_METRICS_SERVICE);
@@ -145,6 +154,8 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
       editingSession = checkNotNull(mediaMetricsManager.createEditingSession());
       startTimeMs = SystemClock.DEFAULT.elapsedRealtime();
     }
+    this.exporterName = exporterName;
+    this.muxerName = muxerName;
   }
 
   /**
@@ -223,8 +234,16 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
   private EditingEndedEvent.Builder createEditingEndedEventBuilder(int finalState) {
     long endTimeMs = SystemClock.DEFAULT.elapsedRealtime();
-    return new EditingEndedEvent.Builder(finalState)
+    EditingEndedEvent.Builder editingEndedEventBuilder =
-        .setTimeSinceCreatedMillis(endTimeMs - startTimeMs);
+        new EditingEndedEvent.Builder(finalState)
+            .setTimeSinceCreatedMillis(endTimeMs - startTimeMs)
+            .setExporterName(exporterName);
+    if (muxerName != null) {
+      // TODO: b/391888233 - Update `PATTERN_KNOWN_EDITING_LIBRARY_NAMES` regex pattern to accept
+      //  Framework Muxer's library name.
+      editingEndedEventBuilder.setMuxerName(muxerName);
+    }
+    return editingEndedEventBuilder;
   }
 
   private static List<MediaItemInfo> getMediaItemInfos(

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

@@ -99,6 +99,7 @@ import java.util.Locale;
     }
   }
 
+  public static final String MUXER_NAME = "android.media:" + SDK_INT;
   public static final String MUXER_STOPPING_FAILED_ERROR_MESSAGE = "Failed to stop the MediaMuxer";
 
   // MediaMuxer supported sample formats are documented in MediaMuxer.addTrack(MediaFormat).

libraries/transformer/src/main/java/androidx/media3/transformer/InAppFragmentedMp4Muxer.java

@@ -19,6 +19,7 @@ import android.media.MediaCodec;
 import android.media.MediaCodec.BufferInfo;
 import androidx.media3.common.C;
 import androidx.media3.common.Format;
+import androidx.media3.common.MediaLibraryInfo;
 import androidx.media3.common.Metadata;
 import androidx.media3.common.MimeTypes;
 import androidx.media3.common.util.Log;
@@ -109,6 +110,9 @@ public final class InAppFragmentedMp4Muxer implements Muxer {
     }
   }
 
+  public static final String MUXER_NAME =
+      "androidx.media3.media3-muxer:" + MediaLibraryInfo.VERSION;
+
   private static final String TAG = "InAppFragmentedMp4Muxer";
   private static final int TRACK_ID_UNSET = -1;
 

libraries/transformer/src/main/java/androidx/media3/transformer/InAppMp4Muxer.java

@@ -20,6 +20,7 @@ import android.media.MediaCodec.BufferInfo;
 import androidx.annotation.Nullable;
 import androidx.media3.common.C;
 import androidx.media3.common.Format;
+import androidx.media3.common.MediaLibraryInfo;
 import androidx.media3.common.Metadata;
 import androidx.media3.common.MimeTypes;
 import androidx.media3.common.util.Log;
@@ -123,6 +124,9 @@ public final class InAppMp4Muxer implements Muxer {
     }
   }
 
+  public static final String MUXER_NAME =
+      "androidx.media3.media3-muxer:" + MediaLibraryInfo.VERSION;
+
   private static final String TAG = "InAppMp4Muxer";
   private static final int TRACK_ID_UNSET = -1;
 

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

@@ -745,6 +745,8 @@ public final class Transformer {
 
   private static final int TRANSFORMER_STATE_PROCESS_MEDIA_START = 5;
   private static final int TRANSFORMER_STATE_REMUX_REMAINING_MEDIA = 6;
+  private static final String EXPORTER_NAME =
+      "androidx.media3.media3-transformer:" + MediaLibraryInfo.VERSION;
   private final Context context;
   private final TransformationRequest transformationRequest;
   private final ImmutableList<AudioProcessor> audioProcessors;
@@ -1578,7 +1580,15 @@ public final class Transformer {
     }
     DebugTraceUtil.reset();
     if (canCollectEditingMetrics()) {
-      editingMetricsCollector = new EditingMetricsCollector(context);
+      @Nullable String muxerName = null;
+      if (muxerFactory instanceof InAppMp4Muxer.Factory) {
+        muxerName = InAppMp4Muxer.MUXER_NAME;
+      } else if (muxerFactory instanceof InAppFragmentedMp4Muxer.Factory) {
+        muxerName = InAppFragmentedMp4Muxer.MUXER_NAME;
+      } else if (muxerFactory instanceof DefaultMuxer.Factory) {
+        muxerName = DefaultMuxer.MUXER_NAME;
+      }
+      editingMetricsCollector = new EditingMetricsCollector(context, EXPORTER_NAME, muxerName);
     }
     transformerInternal =
         new TransformerInternal(