Make sure errors thrown in the PlayerListener are not swallowed

PiperOrigin-RevId: 515037497

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

@@ -300,6 +300,7 @@ public final class ExoPlayerAssetLoader implements AssetLoader {
 
 
     @Override
     @Override
     public void onTimelineChanged(Timeline timeline, int reason) {
     public void onTimelineChanged(Timeline timeline, int reason) {
+      try {
         if (progressState != PROGRESS_STATE_WAITING_FOR_AVAILABILITY) {
         if (progressState != PROGRESS_STATE_WAITING_FOR_AVAILABILITY) {
           return;
           return;
         }
         }
@@ -307,8 +308,8 @@ public final class ExoPlayerAssetLoader implements AssetLoader {
         timeline.getWindow(/* windowIndex= */ 0, window);
         timeline.getWindow(/* windowIndex= */ 0, window);
         if (!window.isPlaceholder) {
         if (!window.isPlaceholder) {
           long durationUs = window.durationUs;
           long durationUs = window.durationUs;
-        // Make progress permanently unavailable if the duration is unknown, so that it doesn't jump
-        // to a high value at the end of the export if the duration is set once the media is
+          // Make progress permanently unavailable if the duration is unknown, so that it doesn't
+          // jump to a high value at the end of the export if the duration is set once the media is
           // entirely loaded.
           // entirely loaded.
           progressState =
           progressState =
               durationUs <= 0 || durationUs == C.TIME_UNSET
               durationUs <= 0 || durationUs == C.TIME_UNSET
@@ -316,10 +317,15 @@ public final class ExoPlayerAssetLoader implements AssetLoader {
                   : PROGRESS_STATE_AVAILABLE;
                   : PROGRESS_STATE_AVAILABLE;
           assetLoaderListener.onDurationUs(window.durationUs);
           assetLoaderListener.onDurationUs(window.durationUs);
         }
         }
+      } catch (RuntimeException e) {
+        assetLoaderListener.onError(
+            ExportException.createForAssetLoader(e, ERROR_CODE_UNSPECIFIED));
+      }
     }
     }
 
 
     @Override
     @Override
     public void onTracksChanged(Tracks tracks) {
     public void onTracksChanged(Tracks tracks) {
+      try {
         int trackCount = 0;
         int trackCount = 0;
         if (tracks.isTypeSelected(C.TRACK_TYPE_AUDIO)) {
         if (tracks.isTypeSelected(C.TRACK_TYPE_AUDIO)) {
           trackCount++;
           trackCount++;
@@ -339,6 +345,10 @@ public final class ExoPlayerAssetLoader implements AssetLoader {
                   new IllegalStateException("The asset loader has no track to output."),
                   new IllegalStateException("The asset loader has no track to output."),
                   ERROR_CODE_FAILED_RUNTIME_CHECK));
                   ERROR_CODE_FAILED_RUNTIME_CHECK));
         }
         }
+      } catch (RuntimeException e) {
+        assetLoaderListener.onError(
+            ExportException.createForAssetLoader(e, ERROR_CODE_UNSPECIFIED));
+      }
     }
     }
 
 
     @Override
     @Override