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Error when textTrackTranscodingEnabled is set to true #836

@TheBeastLT

Description

@TheBeastLT

Version

Media3 1.2.0

More version details

No response

Devices that reproduce the issue

Any device

Devices that do not reproduce the issue

No response

Reproducible in the demo app?

Yes

Reproduction steps

When playing a mkv video with embedded subtitles and with the setTextTrackTranscodingEnabled feature enabled an exception occurrs when trying to play the video.

Without the feature enabled the file plays fine.

Expected result

Video should play fine with setTextTrackTranscodingEnabled feature enabled

Actual result

Playback error
  androidx.media3.exoplayer.ExoPlaybackException: Source error
      at androidx.media3.exoplayer.ExoPlayerImplInternal.handleIoException(ExoPlayerImplInternal.java:701)
      at androidx.media3.exoplayer.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:677)
      at android.os.Handler.dispatchMessage(Handler.java:102)
      at android.os.Looper.loopOnce(Looper.java:201)
      at android.os.Looper.loop(Looper.java:288)
      at android.os.HandlerThread.run(HandlerThread.java:67)
  Caused by: androidx.media3.exoplayer.upstream.Loader$UnexpectedLoaderException: Unexpected RuntimeException: Tried to marshall a Parcel that contained Binder objects.
      at androidx.media3.exoplayer.upstream.Loader$LoadTask.run(Loader.java:438)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1137)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:637)
      at java.lang.Thread.run(Thread.java:1012)
  Caused by: java.lang.RuntimeException: Tried to marshall a Parcel that contained Binder objects.
      at android.os.Parcel.nativeMarshall(Native Method)
      at android.os.Parcel.marshall(Parcel.java:747)
      at androidx.media3.extractor.text.CueEncoder.encode(CueEncoder.java:45)
      at androidx.media3.extractor.text.SubtitleTranscodingTrackOutput.outputSample(SubtitleTranscodingTrackOutput.java:161)
      at androidx.media3.extractor.text.SubtitleTranscodingTrackOutput.lambda$sampleMetadata$0$androidx-media3-extractor-text-SubtitleTranscodingTrackOutput(SubtitleTranscodingTrackOutput.java:152)
      at androidx.media3.extractor.text.SubtitleTranscodingTrackOutput$$ExternalSyntheticLambda0.accept(Unknown Source:8)
      at androidx.media3.extractor.text.pgs.PgsParser.parse(PgsParser.java:88)
      at androidx.media3.extractor.text.SubtitleTranscodingTrackOutput.sampleMetadata(SubtitleTranscodingTrackOutput.java:147)
      at androidx.media3.extractor.mkv.MatroskaExtractor.commitSampleToOutput(MatroskaExtractor.java:1454)
      at androidx.media3.extractor.mkv.MatroskaExtractor.endMasterElement(MatroskaExtractor.java:799)
      at androidx.media3.extractor.mkv.MatroskaExtractor$InnerEbmlProcessor.endMasterElement(MatroskaExtractor.java:1970)
      at androidx.media3.extractor.mkv.DefaultEbmlReader.read(DefaultEbmlReader.java:88)
      at androidx.media3.extractor.mkv.MatroskaExtractor.read(MatroskaExtractor.java:530)
      at androidx.media3.extractor.text.SubtitleTranscodingExtractor.read(SubtitleTranscodingExtractor.java:76)
      at androidx.media3.exoplayer.source.BundledExtractorsAdapter.read(BundledExtractorsAdapter.java:133)
      at androidx.media3.exoplayer.source.ProgressiveMediaPeriod$ExtractingLoadable.load(ProgressiveMediaPeriod.java:1063)
      at androidx.media3.exoplayer.upstream.Loader$LoadTask.run(Loader.java:417)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1137) 
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:637) 
      at java.lang.Thread.run(Thread.java:1012) 

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