Java 类com.google.android.exoplayer2.source.smoothstreaming.manifest.SsManifestParser 实例源码

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<>();
}

public SsMediaSource(Uri manifestUri, DataSource.Factory dataSourceFactory,
    SsChunkSource.Factory chunkSourceFactory, int minLoadableRetryCount,
    long livePresentationDelayMs, Handler eventHandler,
    AdaptiveMediaSourceEventListener eventListener) {
  this.manifestUri = Util.toLowerInvariant(manifestUri.getLastPathSegment()).equals("manifest")
      ? manifestUri : Uri.withAppendedPath(manifestUri, "Manifest");
  this.dataSourceFactory = dataSourceFactory;
  this.chunkSourceFactory = chunkSourceFactory;
  this.minLoadableRetryCount = minLoadableRetryCount;
  this.livePresentationDelayMs = livePresentationDelayMs;
  this.eventDispatcher = new EventDispatcher(eventHandler, eventListener);
  manifestParser = new SsManifestParser();
  mediaPeriods = new ArrayList<>();
}

@Override
public SsManifest getManifest(DataSource dataSource, Uri uri) throws IOException {
  DataSpec dataSpec = new DataSpec(uri,
      DataSpec.FLAG_ALLOW_CACHING_UNKNOWN_LENGTH | DataSpec.FLAG_ALLOW_GZIP);
  ParsingLoadable<SsManifest> loadable = new ParsingLoadable<>(dataSource, dataSpec,
      C.DATA_TYPE_MANIFEST, new SsManifestParser());
  loadable.load();
  return loadable.getResult();
}

/**
 * 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 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.
 */
public SsMediaSource(Uri manifestUri, DataSource.Factory manifestDataSourceFactory,
    SsChunkSource.Factory chunkSourceFactory, int minLoadableRetryCount,
    long livePresentationDelayMs, Handler eventHandler,
    AdaptiveMediaSourceEventListener eventListener) {
  this(manifestUri, manifestDataSourceFactory, new SsManifestParser(), chunkSourceFactory,
      minLoadableRetryCount, livePresentationDelayMs, 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.
 */
public SsMediaSource(Uri manifestUri, DataSource.Factory manifestDataSourceFactory,
    SsManifestParser manifestParser, SsChunkSource.Factory chunkSourceFactory,
    int minLoadableRetryCount, long livePresentationDelayMs, Handler eventHandler,
    AdaptiveMediaSourceEventListener eventListener) {
  this(null, manifestUri, manifestDataSourceFactory, manifestParser, chunkSourceFactory,
      minLoadableRetryCount, livePresentationDelayMs, 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 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,
    SsChunkSource.Factory chunkSourceFactory, int minLoadableRetryCount,
    long livePresentationDelayMs, Handler eventHandler, MediaSourceEventListener eventListener) {
  this(manifestUri, manifestDataSourceFactory, new SsManifestParser(), chunkSourceFactory,
      minLoadableRetryCount, livePresentationDelayMs, eventHandler, eventListener);
}