Add error code for muxer timeout

PiperOrigin-RevId: 519965132

library/transformer/src/main/java/com/google/android/exoplayer2/transformer/ExportException.java

@@ -67,6 +67,7 @@ public final class ExportException extends Exception {
         ERROR_CODE_VIDEO_FRAME_PROCESSING_FAILED,
         ERROR_CODE_AUDIO_PROCESSING_FAILED,
         ERROR_CODE_MUXING_FAILED,
+        ERROR_CODE_MUXING_TIMEOUT,
       })
   public @interface ErrorCode {}
 
@@ -161,6 +162,12 @@ public final class ExportException extends Exception {
 
   /** Caused by a failure while muxing media samples. */
   public static final int ERROR_CODE_MUXING_FAILED = 7001;
+  /**
+   * Caused by a timeout while muxing media samples.
+   *
+   * @see Muxer#getMaxDelayBetweenSamplesMs()
+   */
+  public static final int ERROR_CODE_MUXING_TIMEOUT = 7002;
 
   /* package */ static final ImmutableBiMap<String, @ErrorCode Integer> NAME_TO_ERROR_CODE =
       new ImmutableBiMap.Builder<String, @ErrorCode Integer>()
@@ -183,6 +190,7 @@ public final class ExportException extends Exception {
           .put("ERROR_CODE_VIDEO_FRAME_PROCESSING_FAILED", ERROR_CODE_VIDEO_FRAME_PROCESSING_FAILED)
           .put("ERROR_CODE_AUDIO_PROCESSING_FAILED", ERROR_CODE_AUDIO_PROCESSING_FAILED)
           .put("ERROR_CODE_MUXING_FAILED", ERROR_CODE_MUXING_FAILED)
+          .put("ERROR_CODE_MUXING_TIMEOUT", ERROR_CODE_MUXING_TIMEOUT)
           .buildOrThrow();
 
   /** Returns the name of a given {@code errorCode}. */

library/transformer/src/main/java/com/google/android/exoplayer2/transformer/MuxerWrapper.java

@@ -301,7 +301,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
                           "No output sample written in the last "
                               + maxDelayBetweenSamplesMs
                               + " milliseconds. Aborting transformation."),
-                      ExportException.ERROR_CODE_MUXING_FAILED));
+                      ExportException.ERROR_CODE_MUXING_TIMEOUT));
             },
             maxDelayBetweenSamplesMs,
             MILLISECONDS);

library/transformer/src/test/java/com/google/android/exoplayer2/transformer/MediaItemExportTest.java

@@ -821,7 +821,7 @@ public final class MediaItemExportTest {
     ExportException exception =
         assertThrows(ExportException.class, () -> TransformerTestRunner.runLooper(transformer));
     assertThat(exception).hasCauseThat().isInstanceOf(IllegalStateException.class);
-    assertThat(exception.errorCode).isEqualTo(ExportException.ERROR_CODE_MUXING_FAILED);
+    assertThat(exception.errorCode).isEqualTo(ExportException.ERROR_CODE_MUXING_TIMEOUT);
   }
 
   @Test