com.google.android.exoplayer2.source.smoothstreaming.manifest.SsManifest Java Examples

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);
}
 

@Override
public void updateManifest(SsManifest newManifest) {
  StreamElement currentElement = manifest.streamElements[streamElementIndex];
  int currentElementChunkCount = currentElement.chunkCount;
  StreamElement newElement = newManifest.streamElements[streamElementIndex];
  if (currentElementChunkCount == 0 || newElement.chunkCount == 0) {
    // There's no overlap between the old and new elements because at least one is empty.
    currentManifestChunkOffset += currentElementChunkCount;
  } else {
    long currentElementEndTimeUs = currentElement.getStartTimeUs(currentElementChunkCount - 1)
        + currentElement.getChunkDurationUs(currentElementChunkCount - 1);
    long newElementStartTimeUs = newElement.getStartTimeUs(0);
    if (currentElementEndTimeUs <= newElementStartTimeUs) {
      // There's no overlap between the old and new elements.
      currentManifestChunkOffset += currentElementChunkCount;
    } else {
      // The new element overlaps with the old one.
      currentManifestChunkOffset += currentElement.getChunkIndex(newElementStartTimeUs);
    }
  }
  manifest = newManifest;
}
 

/**
 * Constructs an instance to play a given {@link SsManifest}, which must not be live.
 *
 * @param manifest The manifest. {@link SsManifest#isLive} must be false.
 * @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
 * @param minLoadableRetryCount The minimum number of times to retry if a loading error occurs.
 * @param eventHandler A handler for events. 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.
 * @deprecated Use {@link Factory} instead.
 */
@Deprecated
public SsMediaSource(
    SsManifest manifest,
    SsChunkSource.Factory chunkSourceFactory,
    int minLoadableRetryCount,
    @Nullable Handler eventHandler,
    @Nullable MediaSourceEventListener eventListener) {
  this(
      manifest,
      /* manifestUri= */ null,
      /* manifestDataSourceFactory= */ null,
      /* manifestParser= */ null,
      chunkSourceFactory,
      new DefaultCompositeSequenceableLoaderFactory(),
      DrmSessionManager.getDummyDrmSessionManager(),
      new DefaultLoadErrorHandlingPolicy(minLoadableRetryCount),
      DEFAULT_LIVE_PRESENTATION_DELAY_MS,
      /* tag= */ null);
  if (eventHandler != null && eventListener != null) {
    addEventListener(eventHandler, eventListener);
  }
}
 

@Override
public LoadErrorAction onLoadError(
    ParsingLoadable<SsManifest> loadable,
    long elapsedRealtimeMs,
    long loadDurationMs,
    IOException error,
    int errorCount) {
  long retryDelayMs =
      loadErrorHandlingPolicy.getRetryDelayMsFor(
          C.DATA_TYPE_MANIFEST, loadDurationMs, error, errorCount);
  LoadErrorAction loadErrorAction =
      retryDelayMs == C.TIME_UNSET
          ? Loader.DONT_RETRY_FATAL
          : Loader.createRetryAction(/* resetErrorCount= */ false, retryDelayMs);
  manifestEventDispatcher.loadError(
      loadable.dataSpec,
      loadable.getUri(),
      loadable.getResponseHeaders(),
      loadable.type,
      elapsedRealtimeMs,
      loadDurationMs,
      loadable.bytesLoaded(),
      error,
      !loadErrorAction.isRetry());
  return loadErrorAction;
}
 

/**
 * Constructs an instance to play the manifest at a given {@link Uri}, which may be live or
 * on-demand.
 *
 * @param manifestUri The manifest {@link Uri}.
 * @param manifestDataSourceFactory A factory for {@link DataSource} instances that will be used
 *     to load (and refresh) the manifest.
 * @param manifestParser A parser for loaded manifest data.
 * @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
 * @param minLoadableRetryCount The minimum number of times to retry if a loading error occurs.
 * @param livePresentationDelayMs For live playbacks, the duration in milliseconds by which the
 *     default start position should precede the end of the live window.
 * @param eventHandler A handler for events. 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.
 * @deprecated Use {@link Factory} instead.
 */
@Deprecated
public SsMediaSource(
    Uri manifestUri,
    DataSource.Factory manifestDataSourceFactory,
    ParsingLoadable.Parser<? extends SsManifest> manifestParser,
    SsChunkSource.Factory chunkSourceFactory,
    int minLoadableRetryCount,
    long livePresentationDelayMs,
    @Nullable Handler eventHandler,
    @Nullable MediaSourceEventListener eventListener) {
  this(
      /* manifest= */ null,
      manifestUri,
      manifestDataSourceFactory,
      manifestParser,
      chunkSourceFactory,
      new DefaultCompositeSequenceableLoaderFactory(),
      DrmSessionManager.getDummyDrmSessionManager(),
      new DefaultLoadErrorHandlingPolicy(minLoadableRetryCount),
      livePresentationDelayMs,
      /* tag= */ null);
  if (eventHandler != null && eventListener != null) {
    addEventListener(eventHandler, eventListener);
  }
}
 

@Override
public void onLoadCompleted(ParsingLoadable<SsManifest> loadable, long elapsedRealtimeMs,
    long loadDurationMs) {
  manifestEventDispatcher.loadCompleted(
      loadable.dataSpec,
      loadable.getUri(),
      loadable.getResponseHeaders(),
      loadable.type,
      elapsedRealtimeMs,
      loadDurationMs,
      loadable.bytesLoaded());
  manifest = loadable.getResult();
  manifestLoadStartTimestamp = elapsedRealtimeMs - loadDurationMs;
  processManifest();
  scheduleManifestRefresh();
}
 

@Override
protected List<Segment> getSegments(
    DataSource dataSource, SsManifest manifest, boolean allowIncompleteList) {
  ArrayList<Segment> segments = new ArrayList<>();
  for (StreamElement streamElement : manifest.streamElements) {
    for (int i = 0; i < streamElement.formats.length; i++) {
      for (int j = 0; j < streamElement.chunkCount; j++) {
        segments.add(
            new Segment(
                streamElement.getStartTimeUs(j),
                new DataSpec(streamElement.buildRequestUri(i, j))));
      }
    }
  }
  return segments;
}
 

public SsMediaPeriod(
    SsManifest manifest,
    SsChunkSource.Factory chunkSourceFactory,
    @Nullable TransferListener transferListener,
    CompositeSequenceableLoaderFactory compositeSequenceableLoaderFactory,
    DrmSessionManager<?> drmSessionManager,
    LoadErrorHandlingPolicy loadErrorHandlingPolicy,
    EventDispatcher eventDispatcher,
    LoaderErrorThrower manifestLoaderErrorThrower,
    Allocator allocator) {
  this.manifest = manifest;
  this.chunkSourceFactory = chunkSourceFactory;
  this.transferListener = transferListener;
  this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
  this.drmSessionManager = drmSessionManager;
  this.loadErrorHandlingPolicy = loadErrorHandlingPolicy;
  this.eventDispatcher = eventDispatcher;
  this.allocator = allocator;
  this.compositeSequenceableLoaderFactory = compositeSequenceableLoaderFactory;
  trackGroups = buildTrackGroups(manifest, drmSessionManager);
  sampleStreams = newSampleStreamArray(0);
  compositeSequenceableLoader =
      compositeSequenceableLoaderFactory.createCompositeSequenceableLoader(sampleStreams);
  eventDispatcher.mediaPeriodCreated();
}
 

private static TrackGroupArray buildTrackGroups(
    SsManifest manifest, DrmSessionManager<?> drmSessionManager) {
  TrackGroup[] trackGroups = new TrackGroup[manifest.streamElements.length];
  for (int i = 0; i < manifest.streamElements.length; i++) {
    Format[] manifestFormats = manifest.streamElements[i].formats;
    Format[] exposedFormats = new Format[manifestFormats.length];
    for (int j = 0; j < manifestFormats.length; j++) {
      Format manifestFormat = manifestFormats[j];
      exposedFormats[j] =
          manifestFormat.drmInitData != null
              ? manifestFormat.copyWithExoMediaCryptoType(
                  drmSessionManager.getExoMediaCryptoType(manifestFormat.drmInitData))
              : manifestFormat;
    }
    trackGroups[i] = new TrackGroup(exposedFormats);
  }
  return new TrackGroupArray(trackGroups);
}
 

/**
 * Constructs an instance to play a given {@link SsManifest}, which must not be live.
 *
 * @param manifest The manifest. {@link SsManifest#isLive} must be false.
 * @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
 * @param minLoadableRetryCount The minimum number of times to retry if a loading error occurs.
 * @param eventHandler A handler for events. 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.
 * @deprecated Use {@link Factory} instead.
 */
@Deprecated
public SsMediaSource(
    SsManifest manifest,
    SsChunkSource.Factory chunkSourceFactory,
    int minLoadableRetryCount,
    Handler eventHandler,
    MediaSourceEventListener eventListener) {
  this(
      manifest,
      /* manifestUri= */ null,
      /* manifestDataSourceFactory= */ null,
      /* manifestParser= */ null,
      chunkSourceFactory,
      new DefaultCompositeSequenceableLoaderFactory(),
      minLoadableRetryCount,
      DEFAULT_LIVE_PRESENTATION_DELAY_MS,
      /* tag= */ null);
  if (eventHandler != null && eventListener != null) {
    addEventListener(eventHandler, eventListener);
  }
}
 

/**
 * Constructs an instance to play the manifest at a given {@link Uri}, which may be live or
 * on-demand.
 *
 * @param manifestUri The manifest {@link Uri}.
 * @param manifestDataSourceFactory A factory for {@link DataSource} instances that will be used
 *     to load (and refresh) the manifest.
 * @param manifestParser A parser for loaded manifest data.
 * @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
 * @param minLoadableRetryCount The minimum number of times to retry if a loading error occurs.
 * @param livePresentationDelayMs For live playbacks, the duration in milliseconds by which the
 *     default start position should precede the end of the live window.
 * @param eventHandler A handler for events. 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.
 * @deprecated Use {@link Factory} instead.
 */
@Deprecated
public SsMediaSource(
    Uri manifestUri,
    DataSource.Factory manifestDataSourceFactory,
    ParsingLoadable.Parser<? extends SsManifest> manifestParser,
    SsChunkSource.Factory chunkSourceFactory,
    int minLoadableRetryCount,
    long livePresentationDelayMs,
    Handler eventHandler,
    MediaSourceEventListener eventListener) {
  this(
      /* manifest= */ null,
      manifestUri,
      manifestDataSourceFactory,
      manifestParser,
      chunkSourceFactory,
      new DefaultCompositeSequenceableLoaderFactory(),
      minLoadableRetryCount,
      livePresentationDelayMs,
      /* tag= */ null);
  if (eventHandler != null && eventListener != null) {
    addEventListener(eventHandler, eventListener);
  }
}
 

private SsMediaSource(
    SsManifest manifest,
    Uri manifestUri,
    DataSource.Factory manifestDataSourceFactory,
    ParsingLoadable.Parser<? extends SsManifest> manifestParser,
    SsChunkSource.Factory chunkSourceFactory,
    CompositeSequenceableLoaderFactory compositeSequenceableLoaderFactory,
    int minLoadableRetryCount,
    long livePresentationDelayMs,
    @Nullable Object tag) {
  Assertions.checkState(manifest == null || !manifest.isLive);
  this.manifest = manifest;
  this.manifestUri = manifestUri == null ? null : SsUtil.fixManifestUri(manifestUri);
  this.manifestDataSourceFactory = manifestDataSourceFactory;
  this.manifestParser = manifestParser;
  this.chunkSourceFactory = chunkSourceFactory;
  this.compositeSequenceableLoaderFactory = compositeSequenceableLoaderFactory;
  this.minLoadableRetryCount = minLoadableRetryCount;
  this.livePresentationDelayMs = livePresentationDelayMs;
  this.manifestEventDispatcher = createEventDispatcher(/* mediaPeriodId= */ null);
  this.tag = tag;
  sideloadedManifest = manifest != null;
  mediaPeriods = new ArrayList<>();
}
 

@Override
public void updateManifest(SsManifest newManifest) {
  StreamElement currentElement = manifest.streamElements[streamElementIndex];
  int currentElementChunkCount = currentElement.chunkCount;
  StreamElement newElement = newManifest.streamElements[streamElementIndex];
  if (currentElementChunkCount == 0 || newElement.chunkCount == 0) {
    // There's no overlap between the old and new elements because at least one is empty.
    currentManifestChunkOffset += currentElementChunkCount;
  } else {
    long currentElementEndTimeUs = currentElement.getStartTimeUs(currentElementChunkCount - 1)
        + currentElement.getChunkDurationUs(currentElementChunkCount - 1);
    long newElementStartTimeUs = newElement.getStartTimeUs(0);
    if (currentElementEndTimeUs <= newElementStartTimeUs) {
      // There's no overlap between the old and new elements.
      currentManifestChunkOffset += currentElementChunkCount;
    } else {
      // The new element overlaps with the old one.
      currentManifestChunkOffset += currentElement.getChunkIndex(newElementStartTimeUs);
    }
  }
  manifest = newManifest;
}
 

/**
 * Constructs an instance to play a given {@link SsManifest}, which must not be live.
 *
 * @param manifest The manifest. {@link SsManifest#isLive} must be false.
 * @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
 * @param minLoadableRetryCount The minimum number of times to retry if a loading error occurs.
 * @param eventHandler A handler for events. 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.
 * @deprecated Use {@link Factory} instead.
 */
@Deprecated
public SsMediaSource(
    SsManifest manifest,
    SsChunkSource.Factory chunkSourceFactory,
    int minLoadableRetryCount,
    Handler eventHandler,
    MediaSourceEventListener eventListener) {
  this(
      manifest,
      /* manifestUri= */ null,
      /* manifestDataSourceFactory= */ null,
      /* manifestParser= */ null,
      chunkSourceFactory,
      new DefaultCompositeSequenceableLoaderFactory(),
      minLoadableRetryCount,
      DEFAULT_LIVE_PRESENTATION_DELAY_MS,
      /* tag= */ null);
  if (eventHandler != null && eventListener != null) {
    addEventListener(eventHandler, eventListener);
  }
}
 

/**
 * Constructs an instance to play the manifest at a given {@link Uri}, which may be live or
 * on-demand.
 *
 * @param manifestUri The manifest {@link Uri}.
 * @param manifestDataSourceFactory A factory for {@link DataSource} instances that will be used
 *     to load (and refresh) the manifest.
 * @param manifestParser A parser for loaded manifest data.
 * @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
 * @param minLoadableRetryCount The minimum number of times to retry if a loading error occurs.
 * @param livePresentationDelayMs For live playbacks, the duration in milliseconds by which the
 *     default start position should precede the end of the live window.
 * @param eventHandler A handler for events. 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.
 * @deprecated Use {@link Factory} instead.
 */
@Deprecated
public SsMediaSource(
    Uri manifestUri,
    DataSource.Factory manifestDataSourceFactory,
    ParsingLoadable.Parser<? extends SsManifest> manifestParser,
    SsChunkSource.Factory chunkSourceFactory,
    int minLoadableRetryCount,
    long livePresentationDelayMs,
    Handler eventHandler,
    MediaSourceEventListener eventListener) {
  this(
      /* manifest= */ null,
      manifestUri,
      manifestDataSourceFactory,
      manifestParser,
      chunkSourceFactory,
      new DefaultCompositeSequenceableLoaderFactory(),
      minLoadableRetryCount,
      livePresentationDelayMs,
      /* tag= */ null);
  if (eventHandler != null && eventListener != null) {
    addEventListener(eventHandler, eventListener);
  }
}
 

private SsMediaSource(
    SsManifest manifest,
    Uri manifestUri,
    DataSource.Factory manifestDataSourceFactory,
    ParsingLoadable.Parser<? extends SsManifest> manifestParser,
    SsChunkSource.Factory chunkSourceFactory,
    CompositeSequenceableLoaderFactory compositeSequenceableLoaderFactory,
    int minLoadableRetryCount,
    long livePresentationDelayMs,
    @Nullable Object tag) {
  Assertions.checkState(manifest == null || !manifest.isLive);
  this.manifest = manifest;
  this.manifestUri = manifestUri == null ? null : SsUtil.fixManifestUri(manifestUri);
  this.manifestDataSourceFactory = manifestDataSourceFactory;
  this.manifestParser = manifestParser;
  this.chunkSourceFactory = chunkSourceFactory;
  this.compositeSequenceableLoaderFactory = compositeSequenceableLoaderFactory;
  this.minLoadableRetryCount = minLoadableRetryCount;
  this.livePresentationDelayMs = livePresentationDelayMs;
  this.manifestEventDispatcher = createEventDispatcher(/* mediaPeriodId= */ null);
  this.tag = tag;
  sideloadedManifest = manifest != null;
  mediaPeriods = new ArrayList<>();
}
 

@Override
public LoadErrorAction onLoadError(
    ParsingLoadable<SsManifest> loadable,
    long elapsedRealtimeMs,
    long loadDurationMs,
    IOException error,
    int errorCount) {
  boolean isFatal = error instanceof ParserException;
  manifestEventDispatcher.loadError(
      loadable.dataSpec,
      loadable.getUri(),
      loadable.type,
      elapsedRealtimeMs,
      loadDurationMs,
      loadable.bytesLoaded(),
      error,
      isFatal);
  return isFatal ? Loader.DONT_RETRY_FATAL : Loader.RETRY;
}
 

@Override
public LoadErrorAction onLoadError(
    ParsingLoadable<SsManifest> loadable,
    long elapsedRealtimeMs,
    long loadDurationMs,
    IOException error,
    int errorCount) {
  boolean isFatal = error instanceof ParserException;
  manifestEventDispatcher.loadError(
      loadable.dataSpec,
      loadable.getUri(),
      loadable.type,
      elapsedRealtimeMs,
      loadDurationMs,
      loadable.bytesLoaded(),
      error,
      isFatal);
  return isFatal ? Loader.DONT_RETRY_FATAL : Loader.RETRY;
}
 

@Override
public void updateManifest(SsManifest newManifest) {
  StreamElement currentElement = manifest.streamElements[streamElementIndex];
  int currentElementChunkCount = currentElement.chunkCount;
  StreamElement newElement = newManifest.streamElements[streamElementIndex];
  if (currentElementChunkCount == 0 || newElement.chunkCount == 0) {
    // There's no overlap between the old and new elements because at least one is empty.
    currentManifestChunkOffset += currentElementChunkCount;
  } else {
    long currentElementEndTimeUs = currentElement.getStartTimeUs(currentElementChunkCount - 1)
        + currentElement.getChunkDurationUs(currentElementChunkCount - 1);
    long newElementStartTimeUs = newElement.getStartTimeUs(0);
    if (currentElementEndTimeUs <= newElementStartTimeUs) {
      // There's no overlap between the old and new elements.
      currentManifestChunkOffset += currentElementChunkCount;
    } else {
      // The new element overlaps with the old one.
      currentManifestChunkOffset += currentElement.getChunkIndex(newElementStartTimeUs);
    }
  }
  manifest = newManifest;
}
 

/**
 * Returns a new {@link SsMediaSource} using the current parameters and the specified sideloaded
 * manifest.
 *
 * @param manifest The manifest. {@link SsManifest#isLive} must be false.
 * @return The new {@link SsMediaSource}.
 * @throws IllegalArgumentException If {@link SsManifest#isLive} is true.
 */
public SsMediaSource createMediaSource(SsManifest manifest) {
  Assertions.checkArgument(!manifest.isLive);
  isCreateCalled = true;
  if (streamKeys != null && !streamKeys.isEmpty()) {
    manifest = manifest.copy(streamKeys);
  }
  return new SsMediaSource(
      manifest,
      /* manifestUri= */ null,
      /* manifestDataSourceFactory= */ null,
      /* manifestParser= */ null,
      chunkSourceFactory,
      compositeSequenceableLoaderFactory,
      drmSessionManager,
      loadErrorHandlingPolicy,
      livePresentationDelayMs,
      tag);
}
 

@Override
protected List<Segment> getSegments(
    DataSource dataSource, SsManifest manifest, boolean allowIncompleteList) {
  ArrayList<Segment> segments = new ArrayList<>();
  for (StreamElement streamElement : manifest.streamElements) {
    for (int i = 0; i < streamElement.formats.length; i++) {
      for (int j = 0; j < streamElement.chunkCount; j++) {
        segments.add(
            new Segment(
                streamElement.getStartTimeUs(j),
                new DataSpec(streamElement.buildRequestUri(i, j))));
      }
    }
  }
  return segments;
}
 

private SsMediaSource(SsManifest manifest, Uri manifestUri,
    DataSource.Factory manifestDataSourceFactory, SsManifestParser manifestParser,
    SsChunkSource.Factory chunkSourceFactory, int minLoadableRetryCount,
    long livePresentationDelayMs, Handler eventHandler,
    AdaptiveMediaSourceEventListener eventListener) {
  Assertions.checkState(manifest == null || !manifest.isLive);
  this.manifest = manifest;
  this.manifestUri = manifestUri == null ? null
      : Util.toLowerInvariant(manifestUri.getLastPathSegment()).equals("manifest") ? manifestUri
          : Uri.withAppendedPath(manifestUri, "Manifest");
  this.manifestDataSourceFactory = manifestDataSourceFactory;
  this.manifestParser = manifestParser;
  this.chunkSourceFactory = chunkSourceFactory;
  this.minLoadableRetryCount = minLoadableRetryCount;
  this.livePresentationDelayMs = livePresentationDelayMs;
  this.eventDispatcher = new EventDispatcher(eventHandler, eventListener);
  mediaPeriods = new ArrayList<>();
}
 

/**
 * @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);
  }
}
 

@Override
public void updateManifest(SsManifest newManifest) {
  StreamElement currentElement = manifest.streamElements[elementIndex];
  int currentElementChunkCount = currentElement.chunkCount;
  StreamElement newElement = newManifest.streamElements[elementIndex];
  if (currentElementChunkCount == 0 || newElement.chunkCount == 0) {
    // There's no overlap between the old and new elements because at least one is empty.
    currentManifestChunkOffset += currentElementChunkCount;
  } else {
    long currentElementEndTimeUs = currentElement.getStartTimeUs(currentElementChunkCount - 1)
        + currentElement.getChunkDurationUs(currentElementChunkCount - 1);
    long newElementStartTimeUs = newElement.getStartTimeUs(0);
    if (currentElementEndTimeUs <= newElementStartTimeUs) {
      // There's no overlap between the old and new elements.
      currentManifestChunkOffset += currentElementChunkCount;
    } else {
      // The new element overlaps with the old one.
      currentManifestChunkOffset += currentElement.getChunkIndex(newElementStartTimeUs);
    }
  }
  manifest = newManifest;
}
 

public void updateManifest(SsManifest manifest) {
  this.manifest = manifest;
  for (ChunkSampleStream<SsChunkSource> sampleStream : sampleStreams) {
    sampleStream.getChunkSource().updateManifest(manifest);
  }
  callback.onContinueLoadingRequested(this);
}
 

/**
 * Constructs an instance to play a given {@link SsManifest}, which must not be live.
 *
 * @param manifest The manifest. {@link SsManifest#isLive} must be false.
 * @param chunkSourceFactory A factory for {@link SsChunkSource} instances.
 * @param eventHandler A handler for events. 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.
 * @deprecated Use {@link Factory} instead.
 */
@Deprecated
public SsMediaSource(
    SsManifest manifest,
    SsChunkSource.Factory chunkSourceFactory,
    Handler eventHandler,
    MediaSourceEventListener eventListener) {
  this(manifest, chunkSourceFactory, DEFAULT_MIN_LOADABLE_RETRY_COUNT,
      eventHandler, eventListener);
}
 

@Override
public void onLoadCanceled(ParsingLoadable<SsManifest> loadable, long elapsedRealtimeMs,
    long loadDurationMs, boolean released) {
  manifestEventDispatcher.loadCanceled(
      loadable.dataSpec,
      loadable.getUri(),
      loadable.type,
      elapsedRealtimeMs,
      loadDurationMs,
      loadable.bytesLoaded());
}
 

private void startLoadingManifest() {
  ParsingLoadable<SsManifest> loadable = new ParsingLoadable<>(manifestDataSource,
      manifestUri, C.DATA_TYPE_MANIFEST, manifestParser);
  long elapsedRealtimeMs = manifestLoader.startLoading(loadable, this, minLoadableRetryCount);
  manifestEventDispatcher.loadStarted(
      loadable.dataSpec, loadable.dataSpec.uri, loadable.type, elapsedRealtimeMs);
}
 

/**
 * Returns a new {@link SsMediaSource} using the current parameters and the specified sideloaded
 * manifest.
 *
 * @param manifest The manifest. {@link SsManifest#isLive} must be false.
 * @return The new {@link SsMediaSource}.
 * @throws IllegalArgumentException If {@link SsManifest#isLive} is true.
 */
public SsMediaSource createMediaSource(SsManifest manifest) {
  Assertions.checkArgument(!manifest.isLive);
  isCreateCalled = true;
  return new SsMediaSource(
      manifest,
      /* manifestUri= */ null,
      /* manifestDataSourceFactory= */ null,
      /* manifestParser= */ null,
      chunkSourceFactory,
      compositeSequenceableLoaderFactory,
      minLoadableRetryCount,
      livePresentationDelayMs,
      tag);
}
 

@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);
}