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ExoPlayer crash on dolby digital stream when connected to bluetooth audio device

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#3,223 3 comments 0 reactions 1 assignee View on GitHub

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@tianyif is already working on this.

Since May 18, 2026.

Assessment

This issue has not been assessed yet.

Description

bug
Version

Media3 1.9.0

More version details

No response

Devices that reproduce the issue

Google Tv Streamer

Devices that do not reproduce the issue

No response

Reproducible in the demo app?

No

Reproduction steps

Get a Google Tv Streamer and connect to rainberry 5.1 sound system via bluetooth (This is the sound system I am using to test but I don't think it matters). Let the player play some dolby digital stream.

Expected result

Player not crashing

Actual result

Playback crashes:

14:56:40.526  E  [MediaCodecAudioRenderer] Audio sink error
                 androidx.media3.exoplayer.audio.AudioSink$InitializationException: AudioTrack init failed 0 Config(48000, 252, 5, 28000) Format(Audio2_6, null, audio/mp4, audio/ac3, ac-3, 448000, dd, [-1, -1, -1.0, null], [6, 48000])
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.buildAudioOutput(DefaultAudioSink.java:1067)
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.buildAudioOutputWithRetry(DefaultAudioSink.java:1033)
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.initializeAudioOutput(DefaultAudioSink.java:811)
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.handleBuffer(DefaultAudioSink.java:914)
                 	at androidx.media3.exoplayer.audio.MediaCodecAudioRenderer.processOutputBuffer(MediaCodecAudioRenderer.java:859)
                 	at androidx.media3.exoplayer.mediacodec.MediaCodecRenderer.drainOutputBuffer(MediaCodecRenderer.java:2259)
                 	at androidx.media3.exoplayer.mediacodec.MediaCodecRenderer.render(MediaCodecRenderer.java:945)
                 	at androidx.media3.exoplayer.RendererHolder.render(RendererHolder.java:392)
                 	at androidx.media3.exoplayer.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:1378)
                 	at androidx.media3.exoplayer.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:707)
                 	at android.os.Handler.dispatchMessage(Handler.java:102)
                 	at android.os.Looper.loopOnce(Looper.java:205)
                 	at android.os.Looper.loop(Looper.java:294)
                 	at android.os.HandlerThread.run(HandlerThread.java:67)
                 Caused by: androidx.media3.exoplayer.audio.AudioOutputProvider$InitializationException: java.lang.UnsupportedOperationException: Cannot create AudioTrack
                 	at androidx.media3.exoplayer.audio.AudioTrackAudioOutputProvider.getAudioOutput(AudioTrackAudioOutputProvider.java:356)
                 	at androidx.media3.exoplayer.audio.AudioTrackAudioOutputProvider.getAudioOutput(AudioTrackAudioOutputProvider.java:62)
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.buildAudioOutput(DefaultAudioSink.java:1058)
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.buildAudioOutputWithRetry(DefaultAudioSink.java:1033) 
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.initializeAudioOutput(DefaultAudioSink.java:811) 
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.handleBuffer(DefaultAudioSink.java:914) 
                 	at androidx.media3.exoplayer.audio.MediaCodecAudioRenderer.processOutputBuffer(MediaCodecAudioRenderer.java:859) 
                 	at androidx.media3.exoplayer.mediacodec.MediaCodecRenderer.drainOutputBuffer(MediaCodecRenderer.java:2259) 
                 	at androidx.media3.exoplayer.mediacodec.MediaCodecRenderer.render(MediaCodecRenderer.java:945) 
                 	at androidx.media3.exoplayer.RendererHolder.render(RendererHolder.java:392) 
                 	at androidx.media3.exoplayer.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:1378) 
                 	at androidx.media3.exoplayer.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:707) 
                 	at android.os.Handler.dispatchMessage(Handler.java:102) 
                 	at android.os.Looper.loopOnce(Looper.java:205) 
                 	at android.os.Looper.loop(Looper.java:294) 
                 	at android.os.HandlerThread.run(HandlerThread.java:67) 
                 Caused by: java.lang.UnsupportedOperationException: Cannot create AudioTrack
                 	at android.media.AudioTrack$Builder.build(AudioTrack.java:1455)
                 	at androidx.media3.exoplayer.audio.AudioTrackAudioOutputProvider.getAudioOutput(AudioTrackAudioOutputProvider.java:353)
                 	at androidx.media3.exoplayer.audio.AudioTrackAudioOutputProvider.getAudioOutput(AudioTrackAudioOutputProvider.java:62) 
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.buildAudioOutput(DefaultAudioSink.java:1058) 
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.buildAudioOutputWithRetry(DefaultAudioSink.java:1033) 
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.initializeAudioOutput(DefaultAudioSink.java:811) 
                 	at androidx.media3.exoplayer.audio.DefaultAudioSink.handleBuffer(DefaultAudioSink.java:914) 
                 	at androidx.media3.exoplayer.audio.MediaCodecAudioRenderer.processOutputBuffer(MediaCodecAudioRenderer.java:859) 
                 	at androidx.media3.exoplayer.mediacodec.MediaCodecRenderer.drainOutputBuffer(MediaCodecRenderer.java:2259) 
                 	at androidx.media3.exoplayer.mediacodec.MediaCodecRenderer.render(MediaCodecRenderer.java:945) 
                 	at androidx.media3.exoplayer.RendererHolder.render(RendererHolder.java:392) 
                 	at androidx.media3.exoplayer.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:1378) 
                 	at androidx.media3.exoplayer.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:707) 
                 	at android.os.Handler.dispatchMessage(Handler.java:102) 
                 	at android.os.Looper.loopOnce(Looper.java:205) 
                 	at android.os.Looper.loop(Looper.java:294) 
                 	at android.os.HandlerThread.run(HandlerThread.java:67) 

I noticed on the device, this function returns: [ENCODING_PCM_16BIT, ENCODING_PCM_16BIT, ENCODING_E_AC3, ENCODING_AC4, ENCODING_E_AC3_JOC], but later when the player tries to initialize an AudioTrack with ENCODING_E_AC3 then the above crash happen.

It may be an OS level bug, but should you move this bluetooth check before the getCapabilitiesInternalForDirectPlayback call?

Media

Any dolby digital stream. But I cannot provide one.

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