com.google.android.exoplayer2.trackselection.TrackSelection.Definition Java Examples

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Example #1
Source File: TrackSelectionUtil.java    From MediaSDK with Apache License 2.0 6 votes vote down vote up 
/**
 * Creates track selections for an array of track selection definitions, with at most one
 * multi-track adaptive selection.
 *
 * @param definitions The list of track selection {@link Definition definitions}. May include null
 *     values.
 * @param adaptiveTrackSelectionFactory A factory for the multi-track adaptive track selection.
 * @return The array of created track selection. For null entries in {@code definitions} returns
 *     null values.
 */
public static @NullableType TrackSelection[] createTrackSelectionsForDefinitions(
    @NullableType Definition[] definitions,
    AdaptiveTrackSelectionFactory adaptiveTrackSelectionFactory) {
  TrackSelection[] selections = new TrackSelection[definitions.length];
  boolean createdAdaptiveTrackSelection = false;
  for (int i = 0; i < definitions.length; i++) {
    Definition definition = definitions[i];
    if (definition == null) {
      continue;
    }
    if (definition.tracks.length > 1 && !createdAdaptiveTrackSelection) {
      createdAdaptiveTrackSelection = true;
      selections[i] = adaptiveTrackSelectionFactory.createAdaptiveTrackSelection(definition);
    } else {
      selections[i] =
          new FixedTrackSelection(
              definition.group, definition.tracks[0], definition.reason, definition.data);
    }
  }
  return selections;
}
Example #2
Source File: TrackSelectionUtil.java    From Telegram-FOSS with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Creates track selections for an array of track selection definitions, with at most one
 * multi-track adaptive selection.
 *
 * @param definitions The list of track selection {@link Definition definitions}. May include null
 *     values.
 * @param adaptiveTrackSelectionFactory A factory for the multi-track adaptive track selection.
 * @return The array of created track selection. For null entries in {@code definitions} returns
 *     null values.
 */
public static @NullableType TrackSelection[] createTrackSelectionsForDefinitions(
    @NullableType Definition[] definitions,
    AdaptiveTrackSelectionFactory adaptiveTrackSelectionFactory) {
  TrackSelection[] selections = new TrackSelection[definitions.length];
  boolean createdAdaptiveTrackSelection = false;
  for (int i = 0; i < definitions.length; i++) {
    Definition definition = definitions[i];
    if (definition == null) {
      continue;
    }
    if (definition.tracks.length > 1 && !createdAdaptiveTrackSelection) {
      createdAdaptiveTrackSelection = true;
      selections[i] = adaptiveTrackSelectionFactory.createAdaptiveTrackSelection(definition);
    } else {
      selections[i] =
          new FixedTrackSelection(
              definition.group, definition.tracks[0], definition.reason, definition.data);
    }
  }
  return selections;
}
Example #3
Source File: TrackSelectionUtil.java    From Telegram with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Creates track selections for an array of track selection definitions, with at most one
 * multi-track adaptive selection.
 *
 * @param definitions The list of track selection {@link Definition definitions}. May include null
 *     values.
 * @param adaptiveTrackSelectionFactory A factory for the multi-track adaptive track selection.
 * @return The array of created track selection. For null entries in {@code definitions} returns
 *     null values.
 */
public static @NullableType TrackSelection[] createTrackSelectionsForDefinitions(
    @NullableType Definition[] definitions,
    AdaptiveTrackSelectionFactory adaptiveTrackSelectionFactory) {
  TrackSelection[] selections = new TrackSelection[definitions.length];
  boolean createdAdaptiveTrackSelection = false;
  for (int i = 0; i < definitions.length; i++) {
    Definition definition = definitions[i];
    if (definition == null) {
      continue;
    }
    if (definition.tracks.length > 1 && !createdAdaptiveTrackSelection) {
      createdAdaptiveTrackSelection = true;
      selections[i] = adaptiveTrackSelectionFactory.createAdaptiveTrackSelection(definition);
    } else {
      selections[i] =
          new FixedTrackSelection(
              definition.group, definition.tracks[0], definition.reason, definition.data);
    }
  }
  return selections;
}
Example #4
Source File: BufferSizeAdaptationBuilder.java    From MediaSDK with Apache License 2.0 4 votes vote down vote up 
/**
 * Builds player components for buffer size based track adaptation.
 *
 * @return A pair of a {@link TrackSelection.Factory} and a {@link LoadControl}, which should be
 *     used to construct the player.
 */
public Pair<TrackSelection.Factory, LoadControl> buildPlayerComponents() {
  Assertions.checkArgument(hysteresisBufferMs < maxBufferMs - minBufferMs);
  Assertions.checkState(!buildCalled);
  buildCalled = true;

  DefaultLoadControl.Builder loadControlBuilder =
      new DefaultLoadControl.Builder()
          .setTargetBufferBytes(/* targetBufferBytes = */ Integer.MAX_VALUE)
          .setBufferDurationsMs(
              /* minBufferMs= */ maxBufferMs,
              maxBufferMs,
              bufferForPlaybackMs,
              bufferForPlaybackAfterRebufferMs);
  if (allocator != null) {
    loadControlBuilder.setAllocator(allocator);
  }

  TrackSelection.Factory trackSelectionFactory =
      new TrackSelection.Factory() {
        @Override
        public @NullableType TrackSelection[] createTrackSelections(
            @NullableType Definition[] definitions, BandwidthMeter bandwidthMeter) {
          return TrackSelectionUtil.createTrackSelectionsForDefinitions(
              definitions,
              definition ->
                  new BufferSizeAdaptiveTrackSelection(
                      definition.group,
                      definition.tracks,
                      bandwidthMeter,
                      minBufferMs,
                      maxBufferMs,
                      hysteresisBufferMs,
                      startUpBandwidthFraction,
                      startUpMinBufferForQualityIncreaseMs,
                      dynamicFormatFilter,
                      clock));
        }
      };

  return Pair.create(trackSelectionFactory, loadControlBuilder.createDefaultLoadControl());
}
Example #5
Source File: BufferSizeAdaptationBuilder.java    From Telegram-FOSS with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Builds player components for buffer size based track adaptation.
 *
 * @return A pair of a {@link TrackSelection.Factory} and a {@link LoadControl}, which should be
 *     used to construct the player.
 */
public Pair<TrackSelection.Factory, LoadControl> buildPlayerComponents() {
  Assertions.checkArgument(hysteresisBufferMs < maxBufferMs - minBufferMs);
  Assertions.checkState(!buildCalled);
  buildCalled = true;

  DefaultLoadControl.Builder loadControlBuilder =
      new DefaultLoadControl.Builder()
          .setTargetBufferBytes(/* targetBufferBytes = */ Integer.MAX_VALUE)
          .setBufferDurationsMs(
              /* minBufferMs= */ maxBufferMs,
              maxBufferMs,
              bufferForPlaybackMs,
              bufferForPlaybackAfterRebufferMs);
  if (allocator != null) {
    loadControlBuilder.setAllocator(allocator);
  }

  TrackSelection.Factory trackSelectionFactory =
      new TrackSelection.Factory() {
        @Override
        public @NullableType TrackSelection[] createTrackSelections(
            @NullableType Definition[] definitions, BandwidthMeter bandwidthMeter) {
          return TrackSelectionUtil.createTrackSelectionsForDefinitions(
              definitions,
              definition ->
                  new BufferSizeAdaptiveTrackSelection(
                      definition.group,
                      definition.tracks,
                      bandwidthMeter,
                      minBufferMs,
                      maxBufferMs,
                      hysteresisBufferMs,
                      startUpBandwidthFraction,
                      startUpMinBufferForQualityIncreaseMs,
                      dynamicFormatFilter,
                      clock));
        }
      };

  return Pair.create(trackSelectionFactory, loadControlBuilder.createDefaultLoadControl());
}
Example #6
Source File: BufferSizeAdaptationBuilder.java    From Telegram with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Builds player components for buffer size based track adaptation.
 *
 * @return A pair of a {@link TrackSelection.Factory} and a {@link LoadControl}, which should be
 *     used to construct the player.
 */
public Pair<TrackSelection.Factory, LoadControl> buildPlayerComponents() {
  Assertions.checkArgument(hysteresisBufferMs < maxBufferMs - minBufferMs);
  Assertions.checkState(!buildCalled);
  buildCalled = true;

  DefaultLoadControl.Builder loadControlBuilder =
      new DefaultLoadControl.Builder()
          .setTargetBufferBytes(/* targetBufferBytes = */ Integer.MAX_VALUE)
          .setBufferDurationsMs(
              /* minBufferMs= */ maxBufferMs,
              maxBufferMs,
              bufferForPlaybackMs,
              bufferForPlaybackAfterRebufferMs);
  if (allocator != null) {
    loadControlBuilder.setAllocator(allocator);
  }

  TrackSelection.Factory trackSelectionFactory =
      new TrackSelection.Factory() {
        @Override
        public @NullableType TrackSelection[] createTrackSelections(
            @NullableType Definition[] definitions, BandwidthMeter bandwidthMeter) {
          return TrackSelectionUtil.createTrackSelectionsForDefinitions(
              definitions,
              definition ->
                  new BufferSizeAdaptiveTrackSelection(
                      definition.group,
                      definition.tracks,
                      bandwidthMeter,
                      minBufferMs,
                      maxBufferMs,
                      hysteresisBufferMs,
                      startUpBandwidthFraction,
                      startUpMinBufferForQualityIncreaseMs,
                      dynamicFormatFilter,
                      clock));
        }
      };

  return Pair.create(trackSelectionFactory, loadControlBuilder.createDefaultLoadControl());
}
Example #7
Source File: TrackSelectionUtil.java    From MediaSDK with Apache License 2.0 2 votes vote down vote up 
/**
 * Creates an adaptive track selection for the provided track selection definition.
 *
 * @param trackSelectionDefinition A {@link Definition} for the track selection.
 * @return The created track selection.
 */
TrackSelection createAdaptiveTrackSelection(Definition trackSelectionDefinition);
Example #8
Source File: TrackSelectionUtil.java    From Telegram-FOSS with GNU General Public License v2.0 2 votes vote down vote up 
/**
 * Creates an adaptive track selection for the provided track selection definition.
 *
 * @param trackSelectionDefinition A {@link Definition} for the track selection.
 * @return The created track selection.
 */
TrackSelection createAdaptiveTrackSelection(Definition trackSelectionDefinition);
Example #9
Source File: TrackSelectionUtil.java    From Telegram with GNU General Public License v2.0 2 votes vote down vote up 
/**
 * Creates an adaptive track selection for the provided track selection definition.
 *
 * @param trackSelectionDefinition A {@link Definition} for the track selection.
 * @return The created track selection.
 */
TrackSelection createAdaptiveTrackSelection(Definition trackSelectionDefinition);