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  3. com.google.android.exoplayer.chunk.ChunkSource

Java 类com.google.android.exoplayer.chunk.ChunkSource 实例源码

项目：ExoPlayer-Demo    文件：DashTest.java    
@Override
public TrackRenderer[] buildRenderers(HostActivity host, ExoPlayer player, Surface surface) {
  Handler handler = new Handler();
  LogcatLogger logger = new LogcatLogger(TAG, player);
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  String userAgent = TestUtil.getUserAgent(host);

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(host, null, userAgent);
  videoTrackSelector = new TrackSelector(AdaptationSet.TYPE_VIDEO,
      canIncludeAdditionalVideoFormats, videoFormats);
  ChunkSource videoChunkSource = new DashChunkSource(mpd, videoTrackSelector, videoDataSource,
      new FormatEvaluator.RandomEvaluator(0));
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, handler, logger, VIDEO_EVENT_ID,
      MIN_LOADABLE_RETRY_COUNT);
  DebugMediaCodecVideoTrackRenderer videoRenderer = new DebugMediaCodecVideoTrackRenderer(host,
      videoSampleSource, MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT,
      0, handler, logger, 50);
  videoCounters = videoRenderer.codecCounters;
  player.sendMessage(videoRenderer, DebugMediaCodecVideoTrackRenderer.MSG_SET_SURFACE, surface);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(host, null, userAgent);
  TrackSelector audioTrackSelector = new TrackSelector(AdaptationSet.TYPE_AUDIO, false,
      audioFormats);
  ChunkSource audioChunkSource = new DashChunkSource(mpd, audioTrackSelector, audioDataSource,
      null);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, handler, logger, AUDIO_EVENT_ID,
      MIN_LOADABLE_RETRY_COUNT);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(
      audioSampleSource, MediaCodecSelector.DEFAULT, handler, logger);
  audioCounters = audioRenderer.codecCounters;

  TrackRenderer[] renderers = new TrackRenderer[RENDERER_COUNT];
  renderers[VIDEO_RENDERER_INDEX] = videoRenderer;
  renderers[AUDIO_RENDERER_INDEX] = audioRenderer;
  return renderers;
}
项目：AndroidTvDemo    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
          player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_VIDEO);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
      drmSessionManager, true, mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_AUDIO);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      MediaCodecSelector.DEFAULT, drmSessionManager, true, mainHandler, player,
      AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_TEXT);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：ShaddockVideoPlayer    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager<FrameworkMediaCrypto> drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
          player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_VIDEO);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
      drmSessionManager, true, mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_AUDIO);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      MediaCodecSelector.DEFAULT, drmSessionManager, true, mainHandler, player,
      AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_TEXT);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：ShaddockVideoPlayer    文件：SmoothStreamingRendererBuilder.java    
@Override
public void onSingleManifest(SmoothStreamingManifest manifest) {
  if (canceled) {
    return;
  }

  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  // Check drm support if necessary.
  DrmSessionManager<FrameworkMediaCrypto> drmSessionManager = null;
  if (manifest.protectionElement != null) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newFrameworkInstance(
          manifest.protectionElement.uuid, player.getPlaybackLooper(), drmCallback, null,
          player.getMainHandler(), player);
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new SmoothStreamingChunkSource(manifestFetcher,
      DefaultSmoothStreamingTrackSelector.newVideoInstance(context, true, false),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
      drmSessionManager, true, mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new SmoothStreamingChunkSource(manifestFetcher,
      DefaultSmoothStreamingTrackSelector.newAudioInstance(),
      audioDataSource, null, LIVE_EDGE_LATENCY_MS);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      MediaCodecSelector.DEFAULT, drmSessionManager, true, mainHandler, player,
      AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new SmoothStreamingChunkSource(manifestFetcher,
      DefaultSmoothStreamingTrackSelector.newTextInstance(),
      textDataSource, null, LIVE_EDGE_LATENCY_MS);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：ExoPlayerController    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
          player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, drmSessionManager, true,
      mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      drmSessionManager, true, mainHandler, player, AudioCapabilities.getCapabilities(context));

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：FriendsCameraSDK-android    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
          player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_VIDEO);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
      drmSessionManager, true, mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_AUDIO);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      MediaCodecSelector.DEFAULT, drmSessionManager, true, mainHandler, player,
      AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_TEXT);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：talk-android    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
          player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, drmSessionManager, true,
      mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      drmSessionManager, true, mainHandler, player, AudioCapabilities.getCapabilities(context));

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：OKPlayer    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
          player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_VIDEO);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
      drmSessionManager, true, mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_AUDIO);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      MediaCodecSelector.DEFAULT, drmSessionManager, true, mainHandler, player,
      AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_TEXT);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：Mediathek    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
          player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
          Player.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, drmSessionManager, true,
      mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
          Player.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      drmSessionManager, true, mainHandler, player, AudioCapabilities.getCapabilities(context));

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
          Player.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, player,
      mainHandler.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);
}
项目：droidkaigi2016    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, false),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_VIDEO);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
      null, true, mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_AUDIO);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      MediaCodecSelector.DEFAULT, null, true, mainHandler, player,
      AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_TEXT);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：WliveTV    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
          player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, drmSessionManager, true,
      mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      drmSessionManager, true, mainHandler, player, AudioCapabilities.getCapabilities(context));

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：luxunPro    文件：DashRenderBuilder.java    
protected void buildTrackRenderers(DrmSessionManager drmSessionManager, boolean filterHdContent) {
    Handler mainHandler = player.getMainHandler();
    LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);


    //Create the Sample Source to be used by the Video Renderer
    DataSource dataSourceVideo = createDataSource(okHttpClient, bandwidthMeter, userAgent);
    ChunkSource chunkSourceVideo = new DashChunkSource(manifestFetcher, DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent), dataSourceVideo,
            new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS, elapsedRealtimeOffset, mainHandler, player, EMExoPlayer.RENDER_VIDEO);
    ChunkSampleSource sampleSourceVideo = new ChunkSampleSource(chunkSourceVideo, loadControl, BUFFER_SEGMENTS_VIDEO * BUFFER_SEGMENT_SIZE,
            mainHandler, player, EMExoPlayer.RENDER_VIDEO);


    //Create the Sample Source to be used by the Audio Renderer
    DataSource dataSourceAudio = createDataSource(okHttpClient, bandwidthMeter, userAgent);
    ChunkSource chunkSourceAudio = new DashChunkSource(manifestFetcher, DefaultDashTrackSelector.newAudioInstance(), dataSourceAudio,
            null, LIVE_EDGE_LATENCY_MS, elapsedRealtimeOffset, mainHandler, player, EMExoPlayer.RENDER_AUDIO);
    ChunkSampleSource sampleSourceAudio = new ChunkSampleSource(chunkSourceAudio, loadControl, BUFFER_SEGMENTS_AUDIO * BUFFER_SEGMENT_SIZE,
            mainHandler, player, EMExoPlayer.RENDER_AUDIO);


    //Create the Sample Source to be used by the Closed Captions Renderer
    DataSource dataSourceCC = createDataSource(okHttpClient, bandwidthMeter, userAgent);
    ChunkSource chunkSourceCC = new DashChunkSource(manifestFetcher, DefaultDashTrackSelector.newAudioInstance(), dataSourceCC,
            null, LIVE_EDGE_LATENCY_MS, elapsedRealtimeOffset, mainHandler, player, EMExoPlayer.RENDER_CLOSED_CAPTION);
    ChunkSampleSource sampleSourceCC = new ChunkSampleSource(chunkSourceCC, loadControl, BUFFER_SEGMENTS_TEXT * BUFFER_SEGMENT_SIZE,
            mainHandler, player, EMExoPlayer.RENDER_CLOSED_CAPTION);


    //Build the renderers
    MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, sampleSourceVideo, MediaCodecSelector.DEFAULT,
            MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, MAX_JOIN_TIME, drmSessionManager, true, mainHandler, player, DROPPED_FRAME_NOTIFICATION_AMOUNT);
    EMMediaCodecAudioTrackRenderer audioRenderer = new EMMediaCodecAudioTrackRenderer(sampleSourceAudio, MediaCodecSelector.DEFAULT,
            drmSessionManager, true, mainHandler, player, AudioCapabilities.getCapabilities(context), streamType);
    TextTrackRenderer captionsRenderer = new TextTrackRenderer(sampleSourceCC, player, mainHandler.getLooper());


    // Invoke 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);
}
项目：luxunPro    文件：SmoothStreamRenderBuilder.java    
protected void buildTrackRenderers(DrmSessionManager drmSessionManager) {
    Handler mainHandler = player.getMainHandler();
    LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);


    //Create the Sample Source to be used by the Video Renderer
    DataSource dataSourceVideo = createDataSource(okHttpClient, bandwidthMeter, userAgent);
    SmoothStreamingTrackSelector trackSelectorVideo = DefaultSmoothStreamingTrackSelector.newVideoInstance(context, true, false);
    ChunkSource chunkSourceVideo = new SmoothStreamingChunkSource(manifestFetcher, trackSelectorVideo, dataSourceVideo,
            new FormatEvaluator.AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS);
    ChunkSampleSource sampleSourceVideo = new ChunkSampleSource(chunkSourceVideo, loadControl, BUFFER_SEGMENTS_VIDEO * BUFFER_SEGMENT_SIZE,
            mainHandler, player, EMExoPlayer.RENDER_VIDEO);


    //Create the Sample Source to be used by the Audio Renderer
    DataSource dataSourceAudio = createDataSource(okHttpClient, bandwidthMeter, userAgent);
    SmoothStreamingTrackSelector trackSelectorAudio = DefaultSmoothStreamingTrackSelector.newAudioInstance();
    ChunkSource chunkSourceAudio = new SmoothStreamingChunkSource(manifestFetcher, trackSelectorAudio, dataSourceAudio, null, LIVE_EDGE_LATENCY_MS);
    ChunkSampleSource sampleSourceAudio = new ChunkSampleSource(chunkSourceAudio, loadControl, BUFFER_SEGMENTS_AUDIO * BUFFER_SEGMENT_SIZE,
            mainHandler, player, EMExoPlayer.RENDER_AUDIO);


    //Create the Sample Source to be used by the Closed Captions Renderer
    DataSource dataSourceCC = createDataSource(okHttpClient, bandwidthMeter, userAgent);
    SmoothStreamingTrackSelector trackSelectorCC = DefaultSmoothStreamingTrackSelector.newTextInstance();
    ChunkSource chunkSourceCC = new SmoothStreamingChunkSource(manifestFetcher, trackSelectorCC, dataSourceCC, null, LIVE_EDGE_LATENCY_MS);
    ChunkSampleSource sampleSourceCC = new ChunkSampleSource(chunkSourceCC, loadControl, BUFFER_SEGMENTS_TEXT * BUFFER_SEGMENT_SIZE,
            mainHandler, player, EMExoPlayer.RENDER_CLOSED_CAPTION);


    // Build the renderers
    MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, sampleSourceVideo, MediaCodecSelector.DEFAULT,
            MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, MAX_JOIN_TIME, drmSessionManager, true, mainHandler, player, DROPPED_FRAME_NOTIFICATION_AMOUNT);
    EMMediaCodecAudioTrackRenderer audioRenderer = new EMMediaCodecAudioTrackRenderer(sampleSourceAudio, MediaCodecSelector.DEFAULT, drmSessionManager,
            true, mainHandler, player, AudioCapabilities.getCapabilities(context), streamType);
    TextTrackRenderer captionsRenderer = new TextTrackRenderer(sampleSourceCC, player, mainHandler.getLooper());


    // Invoke 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);
}
项目：ExoPlayerWrapper    文件：DashRendererBuilder.java    
private void buildRenderers() {
    Period period = manifest.getPeriod(0);
    Handler mainHandler = player.getMainHandler();
    LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

    boolean hasContentProtection = false;
    for (int i = 0; i < period.adaptationSets.size(); i++) {
        AdaptationSet adaptationSet = period.adaptationSets.get(i);
        if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
            hasContentProtection |= adaptationSet.hasContentProtection();
        }
    }

    // Check drm support if necessary.
    boolean filterHdContent = false;
    StreamingDrmSessionManager drmSessionManager = null;
    if (hasContentProtection) {
        if (Util.SDK_INT < 18) {
            player.onRenderersError(
                    new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
            return;
        }
        try {
            drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
                    player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
            filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
        } catch (UnsupportedDrmException e) {
            player.onRenderersError(e);
            return;
        }
    }

    // Build the video renderer.
    DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
    ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
            DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
            videoDataSource, new FormatEvaluator.AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
            elapsedRealtimeOffset, mainHandler, player, ExoPlayerWrapper.TYPE_VIDEO);
    ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
            VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
            ExoPlayerWrapper.TYPE_VIDEO);
    TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
            MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
            drmSessionManager, true, mainHandler, player, 50);

    // Build the audio renderer.
    DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
    ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
            DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
            elapsedRealtimeOffset, mainHandler, player, ExoPlayerWrapper.TYPE_AUDIO);
    ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
            AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
            ExoPlayerWrapper.TYPE_AUDIO);
    TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
            MediaCodecSelector.DEFAULT, drmSessionManager, true, mainHandler, player,
            AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

    // Build the text renderer.
    DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
    ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
            DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
            elapsedRealtimeOffset, mainHandler, player, ExoPlayerWrapper.TYPE_TEXT);
    ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
            TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
            ExoPlayerWrapper.TYPE_TEXT);
    TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, player,
            mainHandler.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);
}
项目：android-exoplayer    文件：SmoothStreamingRendererBuilder.java    
@Override
public void onManifest(String contentId, SmoothStreamingManifest manifest) {
  Handler mainHandler = playerActivity.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new BufferPool(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter();

  // Obtain stream elements for playback.
  int maxDecodableFrameSize = MediaCodecUtil.maxH264DecodableFrameSize();
  int audioStreamElementIndex = -1;
  int videoStreamElementIndex = -1;
  ArrayList<Integer> videoTrackIndexList = new ArrayList<Integer>();
  for (int i = 0; i < manifest.streamElements.length; i++) {
    if (audioStreamElementIndex == -1
        && manifest.streamElements[i].type == StreamElement.TYPE_AUDIO) {
      audioStreamElementIndex = i;
    } else if (videoStreamElementIndex == -1
        && manifest.streamElements[i].type == StreamElement.TYPE_VIDEO) {
      videoStreamElementIndex = i;
      StreamElement streamElement = manifest.streamElements[i];
      for (int j = 0; j < streamElement.tracks.length; j++) {
        TrackElement trackElement = streamElement.tracks[j];
        if (trackElement.maxWidth * trackElement.maxHeight <= maxDecodableFrameSize) {
          videoTrackIndexList.add(j);
        } else {
          // The device isn't capable of playing this stream.
        }
      }
    }
  }
  int[] videoTrackIndices = Util.toArray(videoTrackIndexList);

  // Build the video renderer.
  DataSource videoDataSource = new UriDataSource(userAgent, bandwidthMeter);
  ChunkSource videoChunkSource = new SmoothStreamingChunkSource(manifestFetcher,
      videoStreamElementIndex, videoTrackIndices, videoDataSource,
      new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, true);
  MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(videoSampleSource,
      MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 0, mainHandler, playerActivity, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new UriDataSource(userAgent, bandwidthMeter);
  ChunkSource audioChunkSource = new SmoothStreamingChunkSource(manifestFetcher,
      audioStreamElementIndex, new int[] {0}, audioDataSource,
      new FormatEvaluator.FixedEvaluator(), LIVE_EDGE_LATENCY_MS);
  SampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, true);
  MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(
      audioSampleSource);
  callback.onRenderers(videoRenderer, audioRenderer);
}
项目：Android-Birdcopy-Application    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
          player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      FlyingPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, drmSessionManager, true,
      mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      FlyingPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      drmSessionManager, true, mainHandler, player, AudioCapabilities.getCapabilities(context));

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      FlyingPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, player,
      mainHandler.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);
}
项目：droidkaigi2016    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
          new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newVideoInstance(context, true, false),
      videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_VIDEO);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
      VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
      MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
      null, true, mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_AUDIO);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
      AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
      MediaCodecSelector.DEFAULT, null, true, mainHandler, player,
      AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
      DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
      elapsedRealtimeOffset, mainHandler, player, DemoPlayer.TYPE_TEXT);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
      TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
      DemoPlayer.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, 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);
}
项目：google-media-framework-android    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  StreamingDrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
              new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
              player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
      filterHdContent = getWidevineSecurityLevel(drmSessionManager) != SECURITY_LEVEL_1;
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
          DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
          videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
          elapsedRealtimeOffset, mainHandler, player, ExoplayerWrapper.TYPE_VIDEO);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
          VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
          ExoplayerWrapper.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
          MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, drmSessionManager, true,
          mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
          DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
          elapsedRealtimeOffset, mainHandler, player, ExoplayerWrapper.TYPE_AUDIO);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
          AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
          ExoplayerWrapper.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
          MediaCodecSelector.DEFAULT, drmSessionManager, true, mainHandler, player,
          AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
          DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
          elapsedRealtimeOffset, mainHandler, player, ExoplayerWrapper.TYPE_TEXT);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
          TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
          ExoplayerWrapper.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, player,
          mainHandler.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);
}
项目：player-sdk-native-android    文件：DashRendererBuilder.java    
private void buildRenderers() {
  Period period = manifest.getPeriod(0);
  Handler mainHandler = player.getMainHandler();
  LoadControl loadControl = new DefaultLoadControl(new DefaultAllocator(BUFFER_SEGMENT_SIZE));
  DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(mainHandler, player);

  boolean hasContentProtection = false;
  for (int i = 0; i < period.adaptationSets.size(); i++) {
    AdaptationSet adaptationSet = period.adaptationSets.get(i);
    if (adaptationSet.type != AdaptationSet.TYPE_UNKNOWN) {
      hasContentProtection |= adaptationSet.hasContentProtection();
    }
  }

  // Check drm support if necessary.
  boolean filterHdContent = false;
  DrmSessionManager drmSessionManager = null;
  if (hasContentProtection) {
    if (Util.SDK_INT < 18) {
      player.onRenderersError(
              new UnsupportedDrmException(UnsupportedDrmException.REASON_UNSUPPORTED_SCHEME));
      return;
    }
    try {
      if (drmCallback instanceof ExtendedMediaDrmCallback) {
        drmSessionManager = ((ExtendedMediaDrmCallback) drmCallback).getSessionManager();
      }
      if (drmSessionManager == null) {
        drmSessionManager = StreamingDrmSessionManager.newWidevineInstance(
                player.getPlaybackLooper(), drmCallback, null, player.getMainHandler(), player);
        filterHdContent = getWidevineSecurityLevel((StreamingDrmSessionManager) drmSessionManager) != SECURITY_LEVEL_1;
      }
    } catch (UnsupportedDrmException e) {
      player.onRenderersError(e);
      return;
    }
  }

  // Build the video renderer.
  DataSource videoDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource videoChunkSource = new DashChunkSource(manifestFetcher,
          DefaultDashTrackSelector.newVideoInstance(context, true, filterHdContent),
          videoDataSource, new AdaptiveEvaluator(bandwidthMeter), LIVE_EDGE_LATENCY_MS,
          elapsedRealtimeOffset, mainHandler, player,ExoplayerWrapper.TYPE_VIDEO);
  ChunkSampleSource videoSampleSource = new ChunkSampleSource(videoChunkSource, loadControl,
          VIDEO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
          ExoplayerWrapper.TYPE_VIDEO);
  TrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context, videoSampleSource,
          MediaCodecSelector.DEFAULT, MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000, drmSessionManager, true,
          mainHandler, player, 50);

  // Build the audio renderer.
  DataSource audioDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource audioChunkSource = new DashChunkSource(manifestFetcher,
          DefaultDashTrackSelector.newAudioInstance(), audioDataSource, null, LIVE_EDGE_LATENCY_MS,
          elapsedRealtimeOffset, mainHandler, player, ExoplayerWrapper.TYPE_AUDIO);
  ChunkSampleSource audioSampleSource = new ChunkSampleSource(audioChunkSource, loadControl,
          AUDIO_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
          ExoplayerWrapper.TYPE_AUDIO);
  TrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(audioSampleSource,
          MediaCodecSelector.DEFAULT, drmSessionManager, true, mainHandler, player,
          AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

  // Build the text renderer.
  DataSource textDataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
  ChunkSource textChunkSource = new DashChunkSource(manifestFetcher,
          DefaultDashTrackSelector.newTextInstance(), textDataSource, null, LIVE_EDGE_LATENCY_MS,
          elapsedRealtimeOffset, mainHandler, player, ExoplayerWrapper.TYPE_TEXT);
  ChunkSampleSource textSampleSource = new ChunkSampleSource(textChunkSource, loadControl,
          TEXT_BUFFER_SEGMENTS * BUFFER_SEGMENT_SIZE, mainHandler, player,
          ExoplayerWrapper.TYPE_TEXT);
  TrackRenderer textRenderer = new TextTrackRenderer(textSampleSource, player,
          mainHandler.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);
}