com.google.android.exoplayer.upstream.Allocator Java Examples

@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);
}
 

@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);
}
 

@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);
}
 

@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);
}
 

@Override
protected void buildRenderers(RendererBuilderCallback callback) {
    Allocator allocator = new DefaultAllocator(bufferSegmentSize);
    DataSource dataSource = new DefaultUriDataSource(context, bandwidthMeter, userAgent);
    ExtractorSampleSource sampleSource = new ExtractorSampleSource(uri, dataSource,
            allocator, bufferSegmentSize * bufferSegmentCount);
    MediaCodecVideoTrackRenderer videoRenderer = new MediaCodecVideoTrackRenderer(context,
            sampleSource, MediaCodecSelector.DEFAULT,
            MediaCodec.VIDEO_SCALING_MODE_SCALE_TO_FIT, 5000,
            eventHandler, eventProxy, 50);
    MediaCodecAudioTrackRenderer audioRenderer = new MediaCodecAudioTrackRenderer(sampleSource,
            MediaCodecSelector.DEFAULT, null, true, eventHandler, eventProxy,
            AudioCapabilities.getCapabilities(context), AudioManager.STREAM_MUSIC);

    TrackRenderer textRenderer = new TextTrackRenderer(sampleSource, eventProxy,
            eventHandler.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;
    callback.onRenderers(renderers, bandwidthMeter);
}
 

@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);
}
 

private SampleSource createSource() {
    Allocator allocator = new DefaultAllocator(BUFFER_SEGMENT_SIZE);
    DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(handler,
            null);
    DataSource dataSource = new DefaultUriDataSource(getContext(), bandwidthMeter, "Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.76 Mobile Safari/537.36");
    ExtractorSampleSource sampleSource = new ExtractorSampleSource(mUri, dataSource, allocator,
            BUFFER_SEGMENT_COUNT * BUFFER_SEGMENT_SIZE);
    return sampleSource;
}
 

@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);
}
 

@Override
public Allocator getAllocator() {
  return allocator;
}
 

/**
 * Constructs a new instance.
 *
 * @param allocator The {@link Allocator} used by the loader.
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 * @param lowWatermarkMs The minimum duration of media that can be buffered for the control to
 *     be in the draining state. If less media is buffered, then the control will transition to
 *     the filling state.
 * @param highWatermarkMs The minimum duration of media that can be buffered for the control to
 *     transition from filling to draining.
 * @param lowPoolLoad The minimum fraction of the buffer that must be utilized for the control
 *     to be in the draining state. If the utilization is lower, then the control will transition
 *     to the filling state.
 * @param highPoolLoad The minimum fraction of the buffer that must be utilized for the control
 *     to transition from the loading state to the draining state.
 */
public DefaultLoadControl(Allocator allocator, Handler eventHandler, EventListener eventListener,
    int lowWatermarkMs, int highWatermarkMs, float lowPoolLoad, float highPoolLoad) {
  this.allocator = allocator;
  this.eventHandler = eventHandler;
  this.eventListener = eventListener;
  this.loaders = new ArrayList<Object>();
  this.loaderStates = new HashMap<Object, LoaderState>();
  this.lowWatermarkUs = lowWatermarkMs * 1000L;
  this.highWatermarkUs = highWatermarkMs * 1000L;
  this.lowPoolLoad = lowPoolLoad;
  this.highPoolLoad = highPoolLoad;
}
 

/**
 * Gets the {@link Allocator} that loaders should use to obtain memory allocations into which
 * data can be loaded.
 *
 * @return The {@link Allocator} to use.
 */
Allocator getAllocator();
 

/**
 * Initializes the {@link Chunk}.
 *
 * @param allocator An {@link Allocator} from which the {@link Allocation} needed to contain the
 *     data can be obtained.
 */
public final void init(Allocator allocator) {
  Assertions.checkState(dataSourceStream == null);
  dataSourceStream = new DataSourceStream(dataSource, dataSpec, allocator);
}
 

/**
 * Constructs a new instance, using the {@code DEFAULT_*} constants defined in this class.
 *
 * @param allocator The {@link Allocator} used by the loader.
 */
public DefaultLoadControl(Allocator allocator) {
  this(allocator, null, null);
}
 

/**
 * Constructs a new instance, using the {@code DEFAULT_*} constants defined in this class.
 *
 * @param allocator The {@link Allocator} used by the loader.
 * @param eventHandler A handler to use when delivering events to {@code eventListener}. May be
 *     null if delivery of events is not required.
 * @param eventListener A listener of events. May be null if delivery of events is not required.
 */
public DefaultLoadControl(Allocator allocator, Handler eventHandler,
    EventListener eventListener) {
  this(allocator, eventHandler, eventListener, DEFAULT_LOW_WATERMARK_MS,
      DEFAULT_HIGH_WATERMARK_MS, DEFAULT_LOW_POOL_LOAD, DEFAULT_HIGH_POOL_LOAD);
}