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POAndroid MediaMuxer illegalstateexception failed to stop the muxer mMediaMuxer.stop()
 

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  1. POAndroid MediaMuxer illegalstateexception failed to stop the muxer mMediaMuxer.stop()
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    <p>I am having problems stopping the MediaMuxer.</p> <p>Pretty much have followed <a href="http://bigflake.com/mediacodec/EncodeAndMuxTest.java.txt" rel="nofollow">fadden's example</a> all the way, except I am using audio, so I am not 100% sure the audio and video tracks line up yet. This might be the problem.</p> <p>When I hit the breakpoint for mMediaMuxer.stop() I get a fatal error:</p> <pre><code>09-30 17:11:21.677: E/AndroidRuntime(32304): FATAL EXCEPTION: CaptureManager 09-30 17:11:21.677: E/AndroidRuntime(32304): java.lang.IllegalStateException: Failed to stop the muxer 09-30 17:11:21.677: E/AndroidRuntime(32304): at android.media.MediaMuxer.nativeStop(Native Method) 09-30 17:11:21.677: E/AndroidRuntime(32304): at android.media.MediaMuxer.stop(MediaMuxer.java:190) 09-30 17:11:21.677: E/AndroidRuntime(32304): at com.harmonicprocesses.penelopefree.camera.MyMediaMux.stop(MyMediaMux.java:97) 09-30 17:11:21.677: E/AndroidRuntime(32304): at com.harmonicprocesses.penelopefree.camera.CaptureManager.stopMuxer(CaptureManager.java:86) 09-30 17:11:21.677: E/AndroidRuntime(32304): at com.harmonicprocesses.penelopefree.camera.MyMediaCodec.stop(MyMediaCodec.java:209) 09-30 17:11:21.677: E/AndroidRuntime(32304): at com.harmonicprocesses.penelopefree.camera.MyMediaCodec.checkEOS(MyMediaCodec.java:190) 09-30 17:11:21.677: E/AndroidRuntime(32304): at com.harmonicprocesses.penelopefree.camera.MyMediaCodec.runQue(MyMediaCodec.java:177) 09-30 17:11:21.677: E/AndroidRuntime(32304): at com.harmonicprocesses.penelopefree.camera.MyMediaCodec.runQue(MyMediaCodec.java:182) 09-30 17:11:21.677: E/AndroidRuntime(32304): at com.harmonicprocesses.penelopefree.camera.MyMediaCodec.sendEOS(MyMediaCodec.java:199) 09-30 17:11:21.677: E/AndroidRuntime(32304): at com.harmonicprocesses.penelopefree.camera.CaptureManager$2.run(CaptureManager.java:94) 09-30 17:11:21.677: E/AndroidRuntime(32304): at android.os.Handler.handleCallback(Handler.java:730) 09-30 17:11:21.677: E/AndroidRuntime(32304): at android.os.Handler.dispatchMessage(Handler.java:92) 09-30 17:11:21.677: E/AndroidRuntime(32304): at android.os.Looper.loop(Looper.java:137) 09-30 17:11:21.677: E/AndroidRuntime(32304): at android.os.HandlerThread.run(HandlerThread.java:61) </code></pre> <p>I can step into it far enough to tell MediaMuxer.mState = MUXER_STATE_INITIALIZED when I call stop. But it is failing in the nativeStart(mNativeObject) ...</p> <pre><code>if (mState == MUXER_STATE_INITIALIZED) { nativeStart(mNativeObject); mState = MUXER_STATE_STARTED; </code></pre>
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    1. COAre there other messages in logcat preceding the exception? Error messages, status updates ("Video track stopped"), ...?
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    2. COYes, there were, I am a bit away from this now, I kind of gave up the approach of copying info to the surface through a Parcel or canvas. I am following your 2nd example as best I can to get to work with my stuff. I believe this had to do with the muxer not being set up correctly, but I really couldn't say. I would think the muxer should be able to package the data as an mp4 even if the data is scrambled garbage. But I wasn't able to get the files it was creating to play. VLC was thru this errors "mp4 error: MP4 plugin discarded (no moov,foov,moof box)"
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