Live stream that worked with 2.12 does not work with 2.13.0 when tunneling is enabled

I’m in the process of updating from ExoPlayer v2.12.3 to v2.13.0, and during testing I discovered that a particular DASH live stream does not work when tunneling is enabled (it works fine with v2.12). More specifically, the stream starts playing, but after a few seconds the following exception is thrown:

com.google.android.exoplayer2.demo E/ExoPlayerImplInternal: Playback error
      com.google.android.exoplayer2.ExoPlaybackException: Unexpected runtime error
        at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:586)
        at android.os.Handler.dispatchMessage(Handler.java:103)
        at android.os.Looper.loop(Looper.java:214)
        at android.os.HandlerThread.run(HandlerThread.java:67)
     Caused by: java.lang.IllegalStateException
        at com.google.android.exoplayer2.util.Assertions.checkState(Assertions.java:86)
        at com.google.android.exoplayer2.audio.DefaultAudioSink.writeBuffer(DefaultAudioSink.java:912)
        at com.google.android.exoplayer2.audio.DefaultAudioSink.processBuffers(DefaultAudioSink.java:852)
        at com.google.android.exoplayer2.audio.DefaultAudioSink.drainToEndOfStream(DefaultAudioSink.java:1012)
        at com.google.android.exoplayer2.audio.DefaultAudioSink.handleBuffer(DefaultAudioSink.java:754)
        at com.google.android.exoplayer2.audio.MediaCodecAudioRenderer.processOutputBuffer(MediaCodecAudioRenderer.java:630)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.drainOutputBuffer(MediaCodecRenderer.java:1854)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.render(MediaCodecRenderer.java:824)
        at com.google.android.exoplayer2.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:947)
        at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:477)
        at android.os.Handler.dispatchMessage(Handler.java:103) 
        at android.os.Looper.loop(Looper.java:214) 
        at android.os.HandlerThread.run(HandlerThread.java:67) 

When tunneling is disabled, the stream works.

I have sent a bugreport to [e-mail]

[tonihei]

It supposed to be enabled for live streams that define a target live offset in the media. This should be the case for most DASH and HLS live streams as they define the target offset either directly or in the spec.

[ojw28]

The fix is https://github.com/google/ExoPlayer/commit/5e229b4f059b4df12e89905ec3e797b4fd30ac7b.