com.google.android.exoplayer2.extractor.mp4.TrackEncryptionBox Java Examples

The following examples show how to use com.google.android.exoplayer2.extractor.mp4.TrackEncryptionBox. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: SsMediaPeriod.java    From K-Sonic with MIT License 6 votes vote down vote up 
public SsMediaPeriod(SsManifest manifest, SsChunkSource.Factory chunkSourceFactory,
    int minLoadableRetryCount, EventDispatcher eventDispatcher,
    LoaderErrorThrower manifestLoaderErrorThrower, Allocator allocator) {
  this.chunkSourceFactory = chunkSourceFactory;
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.minLoadableRetryCount = minLoadableRetryCount;
  this.eventDispatcher = eventDispatcher;
  this.allocator = allocator;

  trackGroups = buildTrackGroups(manifest);
  ProtectionElement protectionElement = manifest.protectionElement;
  if (protectionElement != null) {
    byte[] keyId = getProtectionElementKeyId(protectionElement.data);
    trackEncryptionBoxes = new TrackEncryptionBox[] {
        new TrackEncryptionBox(true, INITIALIZATION_VECTOR_SIZE, keyId)};
  } else {
    trackEncryptionBoxes = null;
  }
  this.manifest = manifest;
  sampleStreams = newSampleStreamArray(0);
  sequenceableLoader = new CompositeSequenceableLoader(sampleStreams);
}
Example #2
Source File: DefaultSsChunkSource.java    From K-Sonic with MIT License 6 votes vote down vote up 
/**
 * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
 * @param manifest The initial manifest.
 * @param elementIndex The index of the stream element in the manifest.
 * @param trackSelection The track selection.
 * @param dataSource A {@link DataSource} suitable for loading the media data.
 * @param trackEncryptionBoxes Track encryption boxes for the stream.
 */
public DefaultSsChunkSource(LoaderErrorThrower manifestLoaderErrorThrower, SsManifest manifest,
    int elementIndex, TrackSelection trackSelection, DataSource dataSource,
    TrackEncryptionBox[] trackEncryptionBoxes) {
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.manifest = manifest;
  this.elementIndex = elementIndex;
  this.trackSelection = trackSelection;
  this.dataSource = dataSource;

  StreamElement streamElement = manifest.streamElements[elementIndex];

  extractorWrappers = new ChunkExtractorWrapper[trackSelection.length()];
  for (int i = 0; i < extractorWrappers.length; i++) {
    int manifestTrackIndex = trackSelection.getIndexInTrackGroup(i);
    Format format = streamElement.formats[manifestTrackIndex];
    int nalUnitLengthFieldLength = streamElement.type == C.TRACK_TYPE_VIDEO ? 4 : 0;
    Track track = new Track(manifestTrackIndex, streamElement.type, streamElement.timescale,
        C.TIME_UNSET, manifest.durationUs, format, Track.TRANSFORMATION_NONE,
        trackEncryptionBoxes, nalUnitLengthFieldLength, null, null);
    FragmentedMp4Extractor extractor = new FragmentedMp4Extractor(
        FragmentedMp4Extractor.FLAG_WORKAROUND_EVERY_VIDEO_FRAME_IS_SYNC_FRAME
        | FragmentedMp4Extractor.FLAG_WORKAROUND_IGNORE_TFDT_BOX, null, track);
    extractorWrappers[i] = new ChunkExtractorWrapper(extractor, format);
  }
}
Example #3
Source File: SsMediaPeriod.java    From TelePlus-Android with GNU General Public License v2.0 5 votes vote down vote up 
public SsMediaPeriod(
    SsManifest manifest,
    SsChunkSource.Factory chunkSourceFactory,
    @Nullable TransferListener transferListener,
    CompositeSequenceableLoaderFactory compositeSequenceableLoaderFactory,
    int minLoadableRetryCount,
    EventDispatcher eventDispatcher,
    LoaderErrorThrower manifestLoaderErrorThrower,
    Allocator allocator) {
  this.chunkSourceFactory = chunkSourceFactory;
  this.transferListener = transferListener;
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.minLoadableRetryCount = minLoadableRetryCount;
  this.eventDispatcher = eventDispatcher;
  this.allocator = allocator;
  this.compositeSequenceableLoaderFactory = compositeSequenceableLoaderFactory;

  trackGroups = buildTrackGroups(manifest);
  ProtectionElement protectionElement = manifest.protectionElement;
  if (protectionElement != null) {
    byte[] keyId = getProtectionElementKeyId(protectionElement.data);
    // We assume pattern encryption does not apply.
    trackEncryptionBoxes = new TrackEncryptionBox[] {
        new TrackEncryptionBox(true, null, INITIALIZATION_VECTOR_SIZE, keyId, 0, 0, null)};
  } else {
    trackEncryptionBoxes = null;
  }
  this.manifest = manifest;
  sampleStreams = newSampleStreamArray(0);
  compositeSequenceableLoader =
      compositeSequenceableLoaderFactory.createCompositeSequenceableLoader(sampleStreams);
  eventDispatcher.mediaPeriodCreated();
}
Example #4
Source File: DefaultSsChunkSource.java    From Telegram with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
 * @param manifest The initial manifest.
 * @param streamElementIndex The index of the stream element in the manifest.
 * @param trackSelection The track selection.
 * @param dataSource A {@link DataSource} suitable for loading the media data.
 */
public DefaultSsChunkSource(
    LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest,
    int streamElementIndex,
    TrackSelection trackSelection,
    DataSource dataSource) {
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.manifest = manifest;
  this.streamElementIndex = streamElementIndex;
  this.trackSelection = trackSelection;
  this.dataSource = dataSource;

  StreamElement streamElement = manifest.streamElements[streamElementIndex];
  extractorWrappers = new ChunkExtractorWrapper[trackSelection.length()];
  for (int i = 0; i < extractorWrappers.length; i++) {
    int manifestTrackIndex = trackSelection.getIndexInTrackGroup(i);
    Format format = streamElement.formats[manifestTrackIndex];
    TrackEncryptionBox[] trackEncryptionBoxes =
        format.drmInitData != null ? manifest.protectionElement.trackEncryptionBoxes : null;
    int nalUnitLengthFieldLength = streamElement.type == C.TRACK_TYPE_VIDEO ? 4 : 0;
    Track track = new Track(manifestTrackIndex, streamElement.type, streamElement.timescale,
        C.TIME_UNSET, manifest.durationUs, format, Track.TRANSFORMATION_NONE,
        trackEncryptionBoxes, nalUnitLengthFieldLength, null, null);
    FragmentedMp4Extractor extractor = new FragmentedMp4Extractor(
        FragmentedMp4Extractor.FLAG_WORKAROUND_EVERY_VIDEO_FRAME_IS_SYNC_FRAME
        | FragmentedMp4Extractor.FLAG_WORKAROUND_IGNORE_TFDT_BOX, null, track, null);
    extractorWrappers[i] = new ChunkExtractorWrapper(extractor, streamElement.type, format);
  }
}
Example #5
Source File: SsManifestParser.java    From Telegram with GNU General Public License v2.0 5 votes vote down vote up 
private static TrackEncryptionBox[] buildTrackEncryptionBoxes(byte[] initData) {
  return new TrackEncryptionBox[] {
    new TrackEncryptionBox(
        /* isEncrypted= */ true,
        /* schemeType= */ null,
        INITIALIZATION_VECTOR_SIZE,
        getProtectionElementKeyId(initData),
        /* defaultEncryptedBlocks= */ 0,
        /* defaultClearBlocks= */ 0,
        /* defaultInitializationVector= */ null)
  };
}
Example #6
Source File: DefaultSsChunkSource.java    From Telegram-FOSS with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
 * @param manifest The initial manifest.
 * @param streamElementIndex The index of the stream element in the manifest.
 * @param trackSelection The track selection.
 * @param dataSource A {@link DataSource} suitable for loading the media data.
 */
public DefaultSsChunkSource(
    LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest,
    int streamElementIndex,
    TrackSelection trackSelection,
    DataSource dataSource) {
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.manifest = manifest;
  this.streamElementIndex = streamElementIndex;
  this.trackSelection = trackSelection;
  this.dataSource = dataSource;

  StreamElement streamElement = manifest.streamElements[streamElementIndex];
  extractorWrappers = new ChunkExtractorWrapper[trackSelection.length()];
  for (int i = 0; i < extractorWrappers.length; i++) {
    int manifestTrackIndex = trackSelection.getIndexInTrackGroup(i);
    Format format = streamElement.formats[manifestTrackIndex];
    TrackEncryptionBox[] trackEncryptionBoxes =
        format.drmInitData != null ? manifest.protectionElement.trackEncryptionBoxes : null;
    int nalUnitLengthFieldLength = streamElement.type == C.TRACK_TYPE_VIDEO ? 4 : 0;
    Track track = new Track(manifestTrackIndex, streamElement.type, streamElement.timescale,
        C.TIME_UNSET, manifest.durationUs, format, Track.TRANSFORMATION_NONE,
        trackEncryptionBoxes, nalUnitLengthFieldLength, null, null);
    FragmentedMp4Extractor extractor = new FragmentedMp4Extractor(
        FragmentedMp4Extractor.FLAG_WORKAROUND_EVERY_VIDEO_FRAME_IS_SYNC_FRAME
        | FragmentedMp4Extractor.FLAG_WORKAROUND_IGNORE_TFDT_BOX, null, track, null);
    extractorWrappers[i] = new ChunkExtractorWrapper(extractor, streamElement.type, format);
  }
}
Example #7
Source File: SsManifestParser.java    From Telegram-FOSS with GNU General Public License v2.0 5 votes vote down vote up 
private static TrackEncryptionBox[] buildTrackEncryptionBoxes(byte[] initData) {
  return new TrackEncryptionBox[] {
    new TrackEncryptionBox(
        /* isEncrypted= */ true,
        /* schemeType= */ null,
        INITIALIZATION_VECTOR_SIZE,
        getProtectionElementKeyId(initData),
        /* defaultEncryptedBlocks= */ 0,
        /* defaultClearBlocks= */ 0,
        /* defaultInitializationVector= */ null)
  };
}
Example #8
Source File: DefaultSsChunkSource.java    From K-Sonic with MIT License 5 votes vote down vote up 
@Override
public SsChunkSource createChunkSource(LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest, int elementIndex, TrackSelection trackSelection,
    TrackEncryptionBox[] trackEncryptionBoxes) {
  DataSource dataSource = dataSourceFactory.createDataSource();
  return new DefaultSsChunkSource(manifestLoaderErrorThrower, manifest, elementIndex,
      trackSelection, dataSource, trackEncryptionBoxes);
}
Example #9
Source File: SsManifestParser.java    From MediaSDK with Apache License 2.0 5 votes vote down vote up 
private static TrackEncryptionBox[] buildTrackEncryptionBoxes(byte[] initData) {
  return new TrackEncryptionBox[] {
    new TrackEncryptionBox(
        /* isEncrypted= */ true,
        /* schemeType= */ null,
        INITIALIZATION_VECTOR_SIZE,
        getProtectionElementKeyId(initData),
        /* defaultEncryptedBlocks= */ 0,
        /* defaultClearBlocks= */ 0,
        /* defaultInitializationVector= */ null)
  };
}
Example #10
Source File: DefaultSsChunkSource.java    From TelePlus-Android with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
 * @param manifest The initial manifest.
 * @param streamElementIndex The index of the stream element in the manifest.
 * @param trackSelection The track selection.
 * @param dataSource A {@link DataSource} suitable for loading the media data.
 * @param trackEncryptionBoxes Track encryption boxes for the stream.
 */
public DefaultSsChunkSource(
    LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest,
    int streamElementIndex,
    TrackSelection trackSelection,
    DataSource dataSource,
    TrackEncryptionBox[] trackEncryptionBoxes) {
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.manifest = manifest;
  this.streamElementIndex = streamElementIndex;
  this.trackSelection = trackSelection;
  this.dataSource = dataSource;

  StreamElement streamElement = manifest.streamElements[streamElementIndex];
  extractorWrappers = new ChunkExtractorWrapper[trackSelection.length()];
  for (int i = 0; i < extractorWrappers.length; i++) {
    int manifestTrackIndex = trackSelection.getIndexInTrackGroup(i);
    Format format = streamElement.formats[manifestTrackIndex];
    int nalUnitLengthFieldLength = streamElement.type == C.TRACK_TYPE_VIDEO ? 4 : 0;
    Track track = new Track(manifestTrackIndex, streamElement.type, streamElement.timescale,
        C.TIME_UNSET, manifest.durationUs, format, Track.TRANSFORMATION_NONE,
        trackEncryptionBoxes, nalUnitLengthFieldLength, null, null);
    FragmentedMp4Extractor extractor = new FragmentedMp4Extractor(
        FragmentedMp4Extractor.FLAG_WORKAROUND_EVERY_VIDEO_FRAME_IS_SYNC_FRAME
        | FragmentedMp4Extractor.FLAG_WORKAROUND_IGNORE_TFDT_BOX, null, track, null);
    extractorWrappers[i] = new ChunkExtractorWrapper(extractor, streamElement.type, format);
  }
}
Example #11
Source File: DefaultSsChunkSource.java    From TelePlus-Android with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public SsChunkSource createChunkSource(
    LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest,
    int elementIndex,
    TrackSelection trackSelection,
    TrackEncryptionBox[] trackEncryptionBoxes,
    @Nullable TransferListener transferListener) {
  DataSource dataSource = dataSourceFactory.createDataSource();
  if (transferListener != null) {
    dataSource.addTransferListener(transferListener);
  }
  return new DefaultSsChunkSource(manifestLoaderErrorThrower, manifest, elementIndex,
      trackSelection, dataSource, trackEncryptionBoxes);
}
Example #12
Source File: SsMediaPeriod.java    From TelePlus-Android with GNU General Public License v2.0 5 votes vote down vote up 
public SsMediaPeriod(
    SsManifest manifest,
    SsChunkSource.Factory chunkSourceFactory,
    @Nullable TransferListener transferListener,
    CompositeSequenceableLoaderFactory compositeSequenceableLoaderFactory,
    int minLoadableRetryCount,
    EventDispatcher eventDispatcher,
    LoaderErrorThrower manifestLoaderErrorThrower,
    Allocator allocator) {
  this.chunkSourceFactory = chunkSourceFactory;
  this.transferListener = transferListener;
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.minLoadableRetryCount = minLoadableRetryCount;
  this.eventDispatcher = eventDispatcher;
  this.allocator = allocator;
  this.compositeSequenceableLoaderFactory = compositeSequenceableLoaderFactory;

  trackGroups = buildTrackGroups(manifest);
  ProtectionElement protectionElement = manifest.protectionElement;
  if (protectionElement != null) {
    byte[] keyId = getProtectionElementKeyId(protectionElement.data);
    // We assume pattern encryption does not apply.
    trackEncryptionBoxes = new TrackEncryptionBox[] {
        new TrackEncryptionBox(true, null, INITIALIZATION_VECTOR_SIZE, keyId, 0, 0, null)};
  } else {
    trackEncryptionBoxes = null;
  }
  this.manifest = manifest;
  sampleStreams = newSampleStreamArray(0);
  compositeSequenceableLoader =
      compositeSequenceableLoaderFactory.createCompositeSequenceableLoader(sampleStreams);
  eventDispatcher.mediaPeriodCreated();
}
Example #13
Source File: DefaultSsChunkSource.java    From TelePlus-Android with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
 * @param manifest The initial manifest.
 * @param streamElementIndex The index of the stream element in the manifest.
 * @param trackSelection The track selection.
 * @param dataSource A {@link DataSource} suitable for loading the media data.
 * @param trackEncryptionBoxes Track encryption boxes for the stream.
 */
public DefaultSsChunkSource(
    LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest,
    int streamElementIndex,
    TrackSelection trackSelection,
    DataSource dataSource,
    TrackEncryptionBox[] trackEncryptionBoxes) {
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.manifest = manifest;
  this.streamElementIndex = streamElementIndex;
  this.trackSelection = trackSelection;
  this.dataSource = dataSource;

  StreamElement streamElement = manifest.streamElements[streamElementIndex];
  extractorWrappers = new ChunkExtractorWrapper[trackSelection.length()];
  for (int i = 0; i < extractorWrappers.length; i++) {
    int manifestTrackIndex = trackSelection.getIndexInTrackGroup(i);
    Format format = streamElement.formats[manifestTrackIndex];
    int nalUnitLengthFieldLength = streamElement.type == C.TRACK_TYPE_VIDEO ? 4 : 0;
    Track track = new Track(manifestTrackIndex, streamElement.type, streamElement.timescale,
        C.TIME_UNSET, manifest.durationUs, format, Track.TRANSFORMATION_NONE,
        trackEncryptionBoxes, nalUnitLengthFieldLength, null, null);
    FragmentedMp4Extractor extractor = new FragmentedMp4Extractor(
        FragmentedMp4Extractor.FLAG_WORKAROUND_EVERY_VIDEO_FRAME_IS_SYNC_FRAME
        | FragmentedMp4Extractor.FLAG_WORKAROUND_IGNORE_TFDT_BOX, null, track, null);
    extractorWrappers[i] = new ChunkExtractorWrapper(extractor, streamElement.type, format);
  }
}
Example #14
Source File: DefaultSsChunkSource.java    From TelePlus-Android with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public SsChunkSource createChunkSource(
    LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest,
    int elementIndex,
    TrackSelection trackSelection,
    TrackEncryptionBox[] trackEncryptionBoxes,
    @Nullable TransferListener transferListener) {
  DataSource dataSource = dataSourceFactory.createDataSource();
  if (transferListener != null) {
    dataSource.addTransferListener(transferListener);
  }
  return new DefaultSsChunkSource(manifestLoaderErrorThrower, manifest, elementIndex,
      trackSelection, dataSource, trackEncryptionBoxes);
}
Example #15
Source File: DefaultSsChunkSource.java    From MediaSDK with Apache License 2.0 5 votes vote down vote up 
/**
 * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
 * @param manifest The initial manifest.
 * @param streamElementIndex The index of the stream element in the manifest.
 * @param trackSelection The track selection.
 * @param dataSource A {@link DataSource} suitable for loading the media data.
 */
public DefaultSsChunkSource(
    LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest,
    int streamElementIndex,
    TrackSelection trackSelection,
    DataSource dataSource) {
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.manifest = manifest;
  this.streamElementIndex = streamElementIndex;
  this.trackSelection = trackSelection;
  this.dataSource = dataSource;

  StreamElement streamElement = manifest.streamElements[streamElementIndex];
  extractorWrappers = new ChunkExtractorWrapper[trackSelection.length()];
  for (int i = 0; i < extractorWrappers.length; i++) {
    int manifestTrackIndex = trackSelection.getIndexInTrackGroup(i);
    Format format = streamElement.formats[manifestTrackIndex];
    TrackEncryptionBox[] trackEncryptionBoxes =
        format.drmInitData != null ? manifest.protectionElement.trackEncryptionBoxes : null;
    int nalUnitLengthFieldLength = streamElement.type == C.TRACK_TYPE_VIDEO ? 4 : 0;
    Track track = new Track(manifestTrackIndex, streamElement.type, streamElement.timescale,
        C.TIME_UNSET, manifest.durationUs, format, Track.TRANSFORMATION_NONE,
        trackEncryptionBoxes, nalUnitLengthFieldLength, null, null);
    FragmentedMp4Extractor extractor = new FragmentedMp4Extractor(
        FragmentedMp4Extractor.FLAG_WORKAROUND_EVERY_VIDEO_FRAME_IS_SYNC_FRAME
        | FragmentedMp4Extractor.FLAG_WORKAROUND_IGNORE_TFDT_BOX, null, track, null);
    extractorWrappers[i] = new ChunkExtractorWrapper(extractor, streamElement.type, format);
  }
}
Example #16
Source File: SsChunkSource.java    From K-Sonic with MIT License 4 votes vote down vote up 
SsChunkSource createChunkSource(LoaderErrorThrower manifestLoaderErrorThrower,
SsManifest manifest, int elementIndex, TrackSelection trackSelection,
TrackEncryptionBox[] trackEncryptionBoxes);
Example #17
Source File: SsManifest.java    From Telegram-FOSS with GNU General Public License v2.0 4 votes vote down vote up 
public ProtectionElement(UUID uuid, byte[] data, TrackEncryptionBox[] trackEncryptionBoxes) {
  this.uuid = uuid;
  this.data = data;
  this.trackEncryptionBoxes = trackEncryptionBoxes;
}
Example #18
Source File: SsManifest.java    From Telegram with GNU General Public License v2.0 4 votes vote down vote up 
public ProtectionElement(UUID uuid, byte[] data, TrackEncryptionBox[] trackEncryptionBoxes) {
  this.uuid = uuid;
  this.data = data;
  this.trackEncryptionBoxes = trackEncryptionBoxes;
}
Example #19
Source File: SsManifest.java    From MediaSDK with Apache License 2.0 4 votes vote down vote up 
public ProtectionElement(UUID uuid, byte[] data, TrackEncryptionBox[] trackEncryptionBoxes) {
  this.uuid = uuid;
  this.data = data;
  this.trackEncryptionBoxes = trackEncryptionBoxes;
}
Example #20
Source File: SsChunkSource.java    From TelePlus-Android with GNU General Public License v2.0 3 votes vote down vote up 
/**
 * Creates a new {@link SsChunkSource}.
 *
 * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
 * @param manifest The initial manifest.
 * @param streamElementIndex The index of the corresponding stream element in the manifest.
 * @param trackSelection The track selection.
 * @param trackEncryptionBoxes Track encryption boxes for the stream.
 * @param transferListener The transfer listener which should be informed of any data transfers.
 *     May be null if no listener is available.
 * @return The created {@link SsChunkSource}.
 */
SsChunkSource createChunkSource(
    LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest,
    int streamElementIndex,
    TrackSelection trackSelection,
    TrackEncryptionBox[] trackEncryptionBoxes,
    @Nullable TransferListener transferListener);
Example #21
Source File: SsChunkSource.java    From TelePlus-Android with GNU General Public License v2.0 3 votes vote down vote up 
/**
 * Creates a new {@link SsChunkSource}.
 *
 * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
 * @param manifest The initial manifest.
 * @param streamElementIndex The index of the corresponding stream element in the manifest.
 * @param trackSelection The track selection.
 * @param trackEncryptionBoxes Track encryption boxes for the stream.
 * @param transferListener The transfer listener which should be informed of any data transfers.
 *     May be null if no listener is available.
 * @return The created {@link SsChunkSource}.
 */
SsChunkSource createChunkSource(
    LoaderErrorThrower manifestLoaderErrorThrower,
    SsManifest manifest,
    int streamElementIndex,
    TrackSelection trackSelection,
    TrackEncryptionBox[] trackEncryptionBoxes,
    @Nullable TransferListener transferListener);