无法在回收站视图上使用 exoplayer 播放视频

【问题标题】：Can't play video with exoplayer on recycler view无法在回收站视图上使用 exoplayer 播放视频
【发布时间】：2022-06-23 19:55:16
【问题描述】：

我正在 RecyclerView 中使用 ExoPlayer 从 Firebase 存储中加载一些视频，但是由于某种原因，当我滚动到 RecyclerView 的底部时（并且可能带有播放器的项目正在被销毁）并且我再次上传视频不玩，我在下面收到此错误：

错误：

2022-03-27 12:24:53.519 8762-11091/com.george.socialmeme E/ACodec: Unable to instantiate codec 'OMX.MTK.VIDEO.DECODER.AVC' with err 0xfffffff4.
2022-03-27 12:24:53.519 8762-11091/com.george.socialmeme E/ACodec: signalError(omxError 0xfffffff4, internalError -12)
2022-03-27 12:24:53.519 8762-11090/com.george.socialmeme E/MediaCodec: Codec reported err 0xfffffff4, actionCode 0, while in state 1
2022-03-27 12:24:53.578 8762-11093/com.george.socialmeme E/ACodec: Unable to instantiate codec 'OMX.MTK.VIDEO.DECODER.AVC' with err 0xfffffff4.
2022-03-27 12:24:53.578 8762-11093/com.george.socialmeme E/ACodec: signalError(omxError 0xfffffff4, internalError -12)
2022-03-27 12:24:53.578 8762-11092/com.george.socialmeme E/MediaCodec: Codec reported err 0xfffffff4, actionCode 0, while in state 1
2022-03-27 12:24:53.584 8762-11044/com.george.socialmeme E/MediaCodecVideoRenderer: Video codec error
      com.google.android.exoplayer2.mediacodec.MediaCodecRenderer$DecoderInitializationException: Decoder init failed: OMX.MTK.VIDEO.DECODER.AVC, Format(1, null, null, video/avc, avc1.4D401E, -1, null, [720, 720, 30.0], [-1, -1])
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.maybeInitCodecWithFallback(MediaCodecRenderer.java:1017)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.maybeInitCodecOrBypass(MediaCodecRenderer.java:546)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.onInputFormatChanged(MediaCodecRenderer.java:1437)
        at com.google.android.exoplayer2.video.MediaCodecVideoRenderer.onInputFormatChanged(MediaCodecVideoRenderer.java:799)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.readSourceOmittingSampleData(MediaCodecRenderer.java:950)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.render(MediaCodecRenderer.java:779)
        at com.google.android.exoplayer2.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:998)
        at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:499)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:246)
        at android.os.HandlerThread.run(HandlerThread.java:67)
     Caused by: android.media.MediaCodec$CodecException: Failed to initialize OMX.MTK.VIDEO.DECODER.AVC, error 0xfffffff4
        at android.media.MediaCodec.native_setup(Native Method)
        at android.media.MediaCodec.<init>(MediaCodec.java:1912)
        at android.media.MediaCodec.createByCodecName(MediaCodec.java:1890)
        at com.google.android.exoplayer2.mediacodec.SynchronousMediaCodecAdapter$Factory.createCodec(SynchronousMediaCodecAdapter.java:74)
        at com.google.android.exoplayer2.mediacodec.SynchronousMediaCodecAdapter$Factory.createAdapter(SynchronousMediaCodecAdapter.java:49)
        at com.google.android.exoplayer2.mediacodec.DefaultMediaCodecAdapterFactory.createAdapter(DefaultMediaCodecAdapterFactory.java:130)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.initCodec(MediaCodecRenderer.java:1095)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.maybeInitCodecWithFallback(MediaCodecRenderer.java:1006)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.maybeInitCodecOrBypass(MediaCodecRenderer.java:546) 
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.onInputFormatChanged(MediaCodecRenderer.java:1437) 
        at com.google.android.exoplayer2.video.MediaCodecVideoRenderer.onInputFormatChanged(MediaCodecVideoRenderer.java:799) 
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.readSourceOmittingSampleData(MediaCodecRenderer.java:950) 
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.render(MediaCodecRenderer.java:779) 
        at com.google.android.exoplayer2.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:998) 
        at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:499) 
        at android.os.Handler.dispatchMessage(Handler.java:102) 
        at android.os.Looper.loop(Looper.java:246) 
        at android.os.HandlerThread.run(HandlerThread.java:67) 
2022-03-27 12:24:53.587 8762-11044/com.george.socialmeme E/ExoPlayerImplInternal: Playback error
      com.google.android.exoplayer2.ExoPlaybackException: MediaCodecVideoRenderer error, index=0, format=Format(1, null, null, video/avc, avc1.4D401E, -1, null, [720, 720, 30.0], [-1, -1]), format_supported=YES
        at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:575)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:246)
        at android.os.HandlerThread.run(HandlerThread.java:67)
     Caused by: com.google.android.exoplayer2.mediacodec.MediaCodecRenderer$DecoderInitializationException: Decoder init failed: OMX.MTK.VIDEO.DECODER.AVC, Format(1, null, null, video/avc, avc1.4D401E, -1, null, [720, 720, 30.0], [-1, -1])
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.maybeInitCodecWithFallback(MediaCodecRenderer.java:1017)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.maybeInitCodecOrBypass(MediaCodecRenderer.java:546)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.onInputFormatChanged(MediaCodecRenderer.java:1437)
        at com.google.android.exoplayer2.video.MediaCodecVideoRenderer.onInputFormatChanged(MediaCodecVideoRenderer.java:799)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.readSourceOmittingSampleData(MediaCodecRenderer.java:950)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.render(MediaCodecRenderer.java:779)
        at com.google.android.exoplayer2.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:998)
        at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:499)
        at android.os.Handler.dispatchMessage(Handler.java:102) 
        at android.os.Looper.loop(Looper.java:246) 
        at android.os.HandlerThread.run(HandlerThread.java:67) 
     Caused by: android.media.MediaCodec$CodecException: Failed to initialize OMX.MTK.VIDEO.DECODER.AVC, error 0xfffffff4
        at android.media.MediaCodec.native_setup(Native Method)
        at android.media.MediaCodec.<init>(MediaCodec.java:1912)
        at android.media.MediaCodec.createByCodecName(MediaCodec.java:1890)
        at com.google.android.exoplayer2.mediacodec.SynchronousMediaCodecAdapter$Factory.createCodec(SynchronousMediaCodecAdapter.java:74)
        at com.google.android.exoplayer2.mediacodec.SynchronousMediaCodecAdapter$Factory.createAdapter(SynchronousMediaCodecAdapter.java:49)
        at com.google.android.exoplayer2.mediacodec.DefaultMediaCodecAdapterFactory.createAdapter(DefaultMediaCodecAdapterFactory.java:130)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.initCodec(MediaCodecRenderer.java:1095)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.maybeInitCodecWithFallback(MediaCodecRenderer.java:1006)
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.maybeInitCodecOrBypass(MediaCodecRenderer.java:546) 
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.onInputFormatChanged(MediaCodecRenderer.java:1437) 
        at com.google.android.exoplayer2.video.MediaCodecVideoRenderer.onInputFormatChanged(MediaCodecVideoRenderer.java:799) 
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.readSourceOmittingSampleData(MediaCodecRenderer.java:950) 
        at com.google.android.exoplayer2.mediacodec.MediaCodecRenderer.render(MediaCodecRenderer.java:779) 
        at com.google.android.exoplayer2.ExoPlayerImplInternal.doSomeWork(ExoPlayerImplInternal.java:998) 
        at com.google.android.exoplayer2.ExoPlayerImplInternal.handleMessage(ExoPlayerImplInternal.java:499) 
        at android.os.Handler.dispatchMessage(Handler.java:102) 
        at android.os.Looper.loop(Looper.java:246) 
        at android.os.HandlerThread.run(HandlerThread.java:67) 

我的适配器中 ExoPlayer 的代码：

ExoPlayer player = new ExoPlayer.Builder(context).build();
MediaItem mediaItem = MediaItem.fromUri(postList.get(position).getVideoUrl());
player.setMediaItem(mediaItem);
player.prepare();
videoViewHolder.andExoPlayerView.setPlayer(player);

player.addAnalyticsListener(new AnalyticsListener() {

    @Override
    public void onPlayerError(@NonNull EventTime eventTime, @NonNull PlaybackException error) {
        Toast.makeText(context, "" + error.getMessage(), Toast.LENGTH_SHORT).show();
    }
});

【问题讨论】：

  • 这段代码中到底有什么不符合您的预期？告诉我们共享代码有什么问题。你有什么错误吗？

标签： java android firebase


【解决方案1】：

如果你使用 Jetpack Compose，那么在使用后使用 DisposableEffect 清理 Exoplayer：enter image description here

【讨论】：

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