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HLS: ArrayIndexOutOfBoundsException on track update #3622

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juechemparathy opened this issue Dec 20, 2017 · 7 comments
Closed

HLS: ArrayIndexOutOfBoundsException on track update #3622

juechemparathy opened this issue Dec 20, 2017 · 7 comments
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@AquilesCanta
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@juechemparathy
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juechemparathy commented Dec 20, 2017 •
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12-20 13:52:50.414 32236-1196/com.google.android.exoplayer2.demo E/ExoPlayerImplInternal: Internal runtime error.
                                                                                          java.lang.ArrayIndexOutOfBoundsException: length=3; index=3
                                                                                              at com.google.android.exoplayer2.source.hls.HlsSampleStreamWrapper.discardBuffer(HlsSampleStreamWrapper.java:294)
                                                                                              at com.google.android.exoplayer2.source.hls.HlsMediaPeriod.discardBuffer(HlsMediaPeriod.java:188)
                                                                                              at com.google.android.exoplayer2.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:552)
                                                                                              at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:306)
                                                                                              at android.os.Handler.dispatchMessage(Handler.java:101)
                                                                                              at android.os.Looper.loop(Looper.java:164)
                                                                                              at android.os.HandlerThread.run(HandlerThread.java:65)

Reproduction steps

  1. Go to url in the related mail to ([email protected])
  2. Change the Audio track

Result: ArrayIndexOutOfBoundsException### Link to test content
@andrewlewis
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Are you able to reproduce the reported IndexOutOfBoundsException on the development branch? I'm not sure which version of the library you're using, but I couldn't reproduce it.

I did hit a NullPointerException part way through the stream after changing audio tracks in peekId3PrivTimestamp: it looks like we load an AAC chunk immediately after a TS chunk, which means that the AAC HlsMediaChunk's id3Data is null.

@juechemparathy
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juechemparathy commented Dec 21, 2017 •
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@andrewlewis for the quick response.Above logs are from latest dev-v2-r2.6.1.
Also make sure a server side ad shows up in the start.Most of the times it does.The crash happens when the ad completes and switch to main content.

Not sure if Null Pointer on peekId3PrivTimestamp is a side effect of ArrayIndexOutOfBoundsException mentioned above.
Video: https://drive.google.com/file/d/1yWx5UOZEsBYQM2svLQECxVlZWuQ-p-wf/view?usp=sharing
Adding some more logs below where I see both NPE and ArrayIndexOutOfBoundsException

12-21 10:00:35.086 19983-19990/com.google.android.exoplayer2.demo I/zygote64: After code cache collection, code=251KB, data=148KB
12-21 10:00:35.086 19983-19990/com.google.android.exoplayer2.demo I/zygote64: Increasing code cache capacity to 1024KB
12-21 10:00:35.749 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: loading [false]
12-21 10:00:37.449 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: audioDisabled [5.70]
12-21 10:00:37.474 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: Tracks [
12-21 10:00:37.474 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:   Renderer:0 [
12-21 10:00:37.474 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     Group:0, adaptive_supported=YES [
12-21 10:00:37.474 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [X] Track:0, id=0, mimeType=video/avc, bitrate=355732, res=408x170, supported=YES
12-21 10:00:37.474 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [X] Track:1, id=1, mimeType=video/avc, bitrate=589685, res=696x290, supported=YES
12-21 10:00:37.474 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [X] Track:2, id=2, mimeType=video/avc, bitrate=1003586, res=888x370, supported=YES
12-21 10:00:37.474 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [X] Track:3, id=3, mimeType=video/avc, bitrate=2052829, res=1272x530, supported=YES
12-21 10:00:37.474 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [X] Track:4, id=4, mimeType=video/avc, bitrate=107001, res=192x80, supported=YES
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [X] Track:5, id=5, mimeType=video/avc, bitrate=202564, res=240x100, supported=YES
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     ]
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     Group:1, adaptive_supported=N/A [
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [ ] Track:0, id=Spanish, mimeType=video/avc, language=es, supported=YES
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     ]
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:   ]
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:   Renderer:1 [
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     Group:0, adaptive_supported=N/A [
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [ ] Track:0, id=English, mimeType=audio/mp4a-latm, channels=2, sample_rate=24000, language=en, supported=YES
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     ]
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     Group:1, adaptive_supported=N/A [
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [X] Track:0, id=1/15, mimeType=audio/mp4a-latm, channels=2, sample_rate=24000, supported=YES
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     ]
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:   ]
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:   Renderer:2 [
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     Group:0, adaptive_supported=N/A [
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [ ] Track:0, id=1/8219, mimeType=application/cea-608, supported=YES
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     ]
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     Group:1, adaptive_supported=N/A [
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [ ] Track:0, id=English, mimeType=text/vtt, language=en, supported=YES
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     ]
12-21 10:00:37.475 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     Group:2, adaptive_supported=N/A [
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [ ] Track:0, id=English, mimeType=text/vtt, language=en, supported=YES
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     ]
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:   ]
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:   Renderer:3 [
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     Group:0, adaptive_supported=N/A [
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [X] Track:0, id=1/21, mimeType=application/id3, supported=YES
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     ]
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     Group:1, adaptive_supported=N/A [
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:       [ ] Track:0, id=1/21, mimeType=application/id3, supported=YES
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:     ]
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger:   ]
12-21 10:00:37.476 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: ]
12-21 10:00:37.477 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: audioEnabled [5.73]
12-21 10:00:37.480 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: loading [true]
12-21 10:00:37.486 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: audioDecoderInitialized [5.74, OMX.google.aac.decoder]
12-21 10:00:37.486 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: audioFormatChanged [5.74, id=1/15, mimeType=audio/mp4a-latm, channels=2, sample_rate=24000]
12-21 10:00:37.653 19983-20014/com.google.android.exoplayer2.demo D/AudioTrack: Client defaulted notificationFrames to 6000 for frameCount 12000
12-21 10:00:37.658 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: audioSessionId [3425]
12-21 10:00:37.800 19983-20025/com.google.android.exoplayer2.demo E/LoadTask: Unexpected exception loading stream
                                                                              java.lang.NullPointerException: Attempt to read from field 'byte[] com.google.android.exoplayer2.util.ParsableByteArray.data' on a null object reference
                                                                                  at com.google.android.exoplayer2.source.hls.HlsMediaChunk.peekId3PrivTimestamp(HlsMediaChunk.java:278)
                                                                                  at com.google.android.exoplayer2.source.hls.HlsMediaChunk.loadMedia(HlsMediaChunk.java:244)
                                                                                  at com.google.android.exoplayer2.source.hls.HlsMediaChunk.load(HlsMediaChunk.java:191)
                                                                                  at com.google.android.exoplayer2.upstream.Loader$LoadTask.run(Loader.java:315)
                                                                                  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
                                                                                  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
                                                                                  at java.lang.Thread.run(Thread.java:764)
12-21 10:00:37.827 19983-20014/com.google.android.exoplayer2.demo E/ExoPlayerImplInternal: Internal runtime error.
                                                                                           java.lang.ArrayIndexOutOfBoundsException: length=3; index=3
                                                                                               at com.google.android.exoplayer2.source.hls.HlsSampleStreamWrapper.discardBuffer(HlsSampleStreamWrapper.java:294)
                                                                                               at com.google.android.exoplayer2.source.hls.HlsMediaPeriod.discardBuffer(HlsMediaPeriod.java:188)
                                                                                               at com.google.android.exoplayer2.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:552)
                                                                                               at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:306)
                                                                                               at android.os.Handler.dispatchMessage(Handler.java:101)
                                                                                               at android.os.Looper.loop(Looper.java:164)
                                                                                               at android.os.HandlerThread.run(HandlerThread.java:65)
12-21 10:00:37.853 19983-20028/com.google.android.exoplayer2.demo D/SurfaceUtils: disconnecting from surface 0x7877691010, reason disconnectFromSurface
12-21 10:00:37.856 19983-19983/com.google.android.exoplayer2.demo E/EventLogger: playerFailed [6.11]
                                                                                 com.google.android.exoplayer2.ExoPlaybackException
                                                                                     at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:360)
                                                                                     at android.os.Handler.dispatchMessage(Handler.java:101)
                                                                                     at android.os.Looper.loop(Looper.java:164)
                                                                                     at android.os.HandlerThread.run(HandlerThread.java:65)
                                                                                  Caused by: java.lang.ArrayIndexOutOfBoundsException: length=3; index=3
                                                                                     at com.google.android.exoplayer2.source.hls.HlsSampleStreamWrapper.discardBuffer(HlsSampleStreamWrapper.java:294)
                                                                                     at com.google.android.exoplayer2.source.hls.HlsMediaPeriod.discardBuffer(HlsMediaPeriod.java:188)
                                                                                     at com.google.android.exoplayer2.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:552)
                                                                                     at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:306)
                                                                                     at android.os.Handler.dispatchMessage(Handler.java:101) 
                                                                                     at android.os.Looper.loop(Looper.java:164) 
                                                                                     at android.os.HandlerThread.run(HandlerThread.java:65) 
12-21 10:00:37.879 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: videoDisabled [6.13]
12-21 10:00:37.880 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: audioDisabled [6.13]
12-21 10:00:37.885 19983-19983/com.google.android.exoplayer2.demo D/EventLogger: loading [false]

@andrewlewis
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Yes, I was seeing the server-side ad. Tentatively marking as a bug.

@ojw28 ojw28 changed the title ArrayIndexOutOfBoundsException on track update HLS: ArrayIndexOutOfBoundsException on track update Dec 22, 2017
@tprochazka
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tprochazka commented Dec 31, 2017 •
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I have the same crash on 2.6.0 and I'm not changing audio track.

@AquilesCanta
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Sorry for the delay, and thanks for the reminder (was on holidays when this was reported).

As @andrewlewis pointed out, the issue was the change in the container formats across segments. A fix for this will be pushed soon, but I didn't manage to reproduce the IndexOutOfBoundsException. There have been a lot of changes in the track mapping lately, so please update to a version that has the new fix and try it out. And let us know if the issue persists. Thanks!

ojw28 pushed a commit that referenced this issue Jan 23, 2018
@AquilesCanta @ojw28
Make id3 context usage robust against container format changes
605aeb3 
Issue:#3622

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=182363243
@ojw28
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ojw28 commented Jan 23, 2018

Fixed in dev-v2.

@ojw28 ojw28 closed this as completed Jan 23, 2018
@juechemparathy
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@AquilesCanta - Looks good! Thanks.

@google google locked and limited conversation to collaborators Jun 29, 2018
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@andrewlewis @tprochazka @juechemparathy @ojw28 @AquilesCanta