Java 类com.google.android.exoplayer2.source.SequenceableLoader 实例源码

/**
 * @param trackType The type of the track. One of the {@link C} {@code TRACK_TYPE_*} constants.
 * @param chunkSource A {@link ChunkSource} from which chunks to load are obtained.
 * @param callback An {@link Callback} for the stream.
 * @param allocator An {@link Allocator} from which allocations can be obtained.
 * @param positionUs The position from which to start loading media.
 * @param minLoadableRetryCount The minimum number of times that the source should retry a load
 *     before propagating an error.
 * @param eventDispatcher A dispatcher to notify of events.
 */
public ChunkSampleStream(int trackType, T chunkSource,
    SequenceableLoader.Callback<ChunkSampleStream<T>> callback, Allocator allocator,
    long positionUs, int minLoadableRetryCount, EventDispatcher eventDispatcher) {
  this.trackType = trackType;
  this.chunkSource = chunkSource;
  this.callback = callback;
  this.eventDispatcher = eventDispatcher;
  this.minLoadableRetryCount = minLoadableRetryCount;
  loader = new Loader("Loader:ChunkSampleStream");
  nextChunkHolder = new ChunkHolder();
  mediaChunks = new LinkedList<>();
  readOnlyMediaChunks = Collections.unmodifiableList(mediaChunks);
  sampleQueue = new DefaultTrackOutput(allocator);
  lastSeekPositionUs = positionUs;
  pendingResetPositionUs = positionUs;
}