Java DefaultBandwidthMeter类代码示例

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(DemoPlayer player) {
  Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
  Handler mainHandler = player.getMainHandler();

  // Build the video and audio renderers.
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, null);
  DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
      BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE, mainHandler, player, 0);
  MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
      sampleSource, MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
      mainHandler, player, 50);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
      MediaCodecSelector.DEFAULT, null, true, mainHandler, player,
      AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
  TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
      mainHandler.getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(DemoPlayer player) {
  Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

  // Build the video and audio renderers.
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
      null);
  DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
      BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
  MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
      sampleSource, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, player.getMainHandler(),
      player, 50);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
      null, true, player.getMainHandler(), player, AudioCapabilities.getCapabilities(context));
  TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
      player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(MediaPlayer player) {
  Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

  // Build the video and audio renderers.
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
      null);
  DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
      BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
  MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(sampleSource,
      null, true, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, null, player.getMainHandler(),
      player, 50);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
      null, true, player.getMainHandler(), player);
  TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
      player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(Player player) {
  Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

  // Build the video and audio renderers.
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
      null);
  DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
      BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
  MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
      sampleSource, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, player.getMainHandler(),
      player, 50);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
      null, true, player.getMainHandler(), player, AudioCapabilities.getCapabilities(context));
  TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
      player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
public void buildRenderers(EMExoPlayer player) {
    //Create the Sample Source to be used by the renderers
    Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(), player);
    DataSource dataSource = createDataSource(okHttpClient, null, userAgent);

    ExtractorSampleSource sampleSource = new ExtractorSampleSource(Uri.parse(MediaUtil.getUriWithProtocol(uri)), dataSource,
           allocator, BUFFER_SEGMENT_SIZE * BUFFER_SEGMENTS_TOTAL, player.getMainHandler(), player, 0);

    //Create the Renderers
    MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, sampleSource, MediaCodecSelector.DEFAULT,
            MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, MAX_JOIN_TIME, player.getMainHandler(), player, DROPPED_FRAME_NOTIFICATION_AMOUNT);
    EMMediaCodecAudioTrackRenderer audioRenderer = new EMMediaCodecAudioTrackRenderer(sampleSource, MediaCodecSelector.DEFAULT, null, true,
            player.getMainHandler(), player, AudioCapabilities.getCapabilities(context), streamType);
    TrackRenderer captionsRenderer = new TextTrackRenderer(sampleSource, player, player.getMainHandler().getLooper());


    //Create the Render list to send to the callback
    TrackRenderer[] renderers = new TrackRenderer[EMExoPlayer.RENDER_COUNT];
    renderers[EMExoPlayer.RENDER_VIDEO] = videoRenderer;
    renderers[EMExoPlayer.RENDER_AUDIO] = audioRenderer;
    renderers[EMExoPlayer.RENDER_CLOSED_CAPTION] = captionsRenderer;
    player.onRenderers(renderers, bandwidthMeter);
}
 

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(ExoPlayerWrapper player) {
    Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

    // Build the video and audio renderers.
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
            null);
    DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
    ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
            BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
    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,
            AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
    TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
            player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(FlyingPlayer player) {
  Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

  // Build the video and audio renderers.
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
      null);
  DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
      BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
  MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
      sampleSource, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, player.getMainHandler(),
      player, 50);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
      null, true, player.getMainHandler(), player, AudioCapabilities.getCapabilities(context));
  TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
      player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(DemoPlayer player) {
    Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

    // Build the video and audio renderers.
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
            null);
    DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
    ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
            BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
    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,
            AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
    TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
            player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void onManifest(String contentId, HlsPlaylist manifest) {
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();

  DataSource dataSource = new UriDataSource(userAgent, bandwidthMeter);
  HlsChunkSource chunkSource = new HlsChunkSource(dataSource, url, manifest, bandwidthMeter, null,
      HlsChunkSource.ADAPTIVE_MODE_SPLICE);
  HlsSampleSource sampleSource = new HlsSampleSource(chunkSource, true, 3);
  MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(sampleSource,
      MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, player.getMainHandler(), player, 50);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource);

  MetadataTrackRenderer<Map<String, Object>> id3Renderer =
      new MetadataTrackRenderer<Map<String, Object>>(sampleSource, new Id3Parser(),
          player.getId3MetadataRenderer(), player.getMainHandler().getLooper());

  Eia608TrackRenderer closedCaptionRenderer = new Eia608TrackRenderer(sampleSource, player,
      player.getMainHandler().getLooper());

  TrackRenderer[] renderers = new TrackRenderer[DemoPlayer.RENDERER_COUNT];
  renderers[DemoPlayer.TYPE_VIDEO] = videoRenderer;
  renderers[DemoPlayer.TYPE_AUDIO] = audioRenderer;
  renderers[DemoPlayer.TYPE_TIMED_METADATA] = id3Renderer;
  renderers[DemoPlayer.TYPE_TEXT] = closedCaptionRenderer;
  callback.onRenderers(null, null, renderers);
}
 

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(DemoPlayer player) {
  Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

  // Build the video and audio renderers.
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
      null);
  DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
      BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
  MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(sampleSource,
      null, true, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, null, player.getMainHandler(),
      player, 50);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
      null, true, player.getMainHandler(), player);
  TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
      player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(ExoplayerWrapper player) {
    Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

    // Build the video and audio renderers.
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
            null);
    DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
    ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
            BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
    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,
            AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
    TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
            player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(DemoPlayer player) {
    Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

    // Build the video and audio renderers.
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
            null);
    DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
    ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
            BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
    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,
            AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
    TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
            player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(VideoPlayer player) {
    Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);

    // Build the video and audio renderers.
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(player.getMainHandler(),
            null);
    DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
    ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
            BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
    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,
            AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
    TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
            player.getMainHandler().getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
@Override
public void buildRenderers(DemoPlayer player) {
  Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
  Handler mainHandler = player.getMainHandler();

  // Build the video and audio renderers.
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, null);
  dataSource  = new CameraDataSource( bandwidthMeter);
  try {
    dataSource.open(new DataSpec(uri));
  } catch (IOException e) {
    e.printStackTrace();
  }
  ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
      BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE, mainHandler, player, 0);
  MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
      sampleSource, MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
      mainHandler, player, 50);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
      MediaCodecSelector.DEFAULT, null, true, mainHandler, player,
      AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);
  TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, player,
      mainHandler.getLooper());

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

import com.google.android.exoplayer.upstream.DefaultBandwidthMeter; //导入依赖的package包/类
private void preparePlayer(boolean playWhenReady) {
        Uri uri = Uri.parse(dataPath);
        Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
        // Build the video and audio renderers.
        DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(getMainHandler(), null);
        DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
        ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource, allocator,
                BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE, null);


        TextureVideoTrackRenderer videoRenderer = new TextureVideoTrackRenderer(context, sampleSource, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000
                , null, true, getMainHandler(), this, 50);

        MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
                null, true, getMainHandler(), this, AudioCapabilities.getCapabilities(context));

        // Invoke the callback.
        TrackRenderer[] renderers = new TrackRenderer[RENDERER_COUNT];
        renderers[TYPE_VIDEO] = videoRenderer;
        renderers[TYPE_AUDIO] = audioRenderer;

        player.sendMessage(
                videoRenderer, MediaCodecVideoTrackRenderer.MSG_SET_SURFACE, surface);
        Log.e(TAG, "after send Message");
//        onRenderers(renderers, bandwidthMeter);
        player.prepare(renderers);
        player.setPlayWhenReady(playWhenReady);
    }