Java 类com.google.android.exoplayer.extractor.mp4.Mp4Extractor 实例源码

@Override
public void buildRenderers(ExoPlayerHelper player) {
    Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

    // Build the video and audio renderers.
    Extractor webmExtractor = new WebmExtractor();
    Extractor mp4Extractor = new Mp4Extractor();
    DataSource dataSource = new FileDataSource();
    ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
            BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE, webmExtractor, mp4Extractor);
    MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
            sampleSource, MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, player.getMainHandler(),
            player, 50);
    MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource, MediaCodecSelector.DEFAULT,
            null, true, player.getMainHandler(), player);
    TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
            player.getMainHandler().getLooper());

    // Invoke the callback.
    TrackRenderer[] renderers = new TrackRenderer[ExoPlayerHelper.RENDERER_COUNT];
    renderers[ExoPlayerHelper.TYPE_VIDEO] = videoRenderer;
    renderers[ExoPlayerHelper.TYPE_AUDIO] = audioRenderer;
    renderers[ExoPlayerHelper.TYPE_TEXT] = textRenderer;
    player.onRenderers(renderers, null);
}

private void initRender(String url){
    Uri uri = Uri.parse(url);
    OkHttpDataSource okHttpDataSource = new OkHttpDataSource(RetrofitClient.getOkHttpClient(getContext())
            ,userAgent , null);
    okHttpDataSource.setRequestProperty("Referer", RetrofitClient.URL_REFERER);

    ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, okHttpDataSource, new DefaultAllocator(5 * K), 5 * K * K, new Mp4Extractor());


    mVideoRender = new MediaCodecVideoTrackRenderer(getContext()
            , sampleSource
            , MediaCodecSelector.DEFAULT
            , MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT);
    mAudioRender = new MediaCodecAudioTrackRenderer(sampleSource
            , MediaCodecSelector.DEFAULT);

    mPlayer.sendMessage(mVideoRender, MediaCodecVideoTrackRenderer.MSG_SET_SURFACE, mSurfaceView.getHolder().getSurface());
    mPlayer.setPlayWhenReady(true);
}