Report the skipped silence more deterministically

Issue: #1035
#minor-release
PiperOrigin-RevId: 605361126

RELEASENOTES.md

@@ -22,6 +22,8 @@
  * Improve silence skipping algorithm with smooth volume ramp, retained
  minimal silence and more natural silence durations
  ([#7423](https:/google/ExoPlayer/issues/7423)).
+ * Report the skipped silence more deterministically
+ ([#1035](https:/androidx/media/issues/1035)).
 * Video:
 * Text:
 * Metadata:

libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioSink.java

@@ -99,7 +99,7 @@ public final class DefaultAudioSink implements AudioSink {
  private static final int AUDIO_TRACK_SMALLER_BUFFER_RETRY_SIZE = 1_000_000;
 
  /** The minimum duration of the skipped silence to be reported as discontinuity. */
- private static final int MINIMUM_REPORT_SKIPPED_SILENCE_DURATION_US = 1_000_000;
+ private static final int MINIMUM_REPORT_SKIPPED_SILENCE_DURATION_US = 300_000;
 
  /**
  * The delay of reporting the skipped silence, during which the default audio sink checks if there
@@ -2340,10 +2340,8 @@ private void maybeReportSkippedSilence() {
  if (accumulatedSkippedSilenceDurationUs >= MINIMUM_REPORT_SKIPPED_SILENCE_DURATION_US) {
  // If the existing silence is already long enough, report the silence
  listener.onSilenceSkipped();
+ accumulatedSkippedSilenceDurationUs = 0;
  }
- // Reset the accumulated silence anyway as the later silences are far from the current one
- // and should be treated separately.
- accumulatedSkippedSilenceDurationUs = 0;
  }
 
  @RequiresApi(23)