Esempio n. 1
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 /**
  * Injects metadata (other than Cue points) into a tag
  *
  * @param meta Metadata
  * @param tag Tag
  * @return New tag with injected metadata
  */
 private ITag injectMetaData(IMetaData<?, ?> meta, ITag tag) {
   IoBuffer bb = IoBuffer.allocate(1000);
   bb.setAutoExpand(true);
   Output out = new Output(bb);
   Serializer.serialize(out, "onMetaData");
   Serializer.serialize(out, meta);
   IoBuffer tmpBody = out.buf().flip();
   int tmpBodySize = out.buf().limit();
   int tmpPreviousTagSize = tag.getPreviousTagSize();
   return new Tag(IoConstants.TYPE_METADATA, 0, tmpBodySize, tmpBody, tmpPreviousTagSize);
 }
Esempio n. 2
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  /**
   * Injects metadata (Cue Points) into a tag
   *
   * @param meta Metadata (cue points)
   * @param tag Tag
   * @return ITag tag New tag with injected metadata
   */
  private ITag injectMetaCue(IMetaCue meta, ITag tag) {
    // IMeta meta = (MetaCue) cue;
    Output out = new Output(IoBuffer.allocate(1000));
    Serializer.serialize(out, "onCuePoint");
    Serializer.serialize(out, meta);

    IoBuffer tmpBody = out.buf().flip();
    int tmpBodySize = out.buf().limit();
    int tmpPreviousTagSize = tag.getPreviousTagSize();
    int tmpTimestamp = getTimeInMilliseconds(meta);

    return new Tag(
        IoConstants.TYPE_METADATA, tmpTimestamp, tmpBodySize, tmpBody, tmpPreviousTagSize);
  }
Esempio n. 3
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  /**
   * Create tag for metadata event.
   *
   * @return Metadata event tag
   */
  private ITag createFileMeta() {
    // Create tag for onMetaData event
    ByteBuffer buf = ByteBuffer.allocate(1024);
    buf.setAutoExpand(true);
    Output out = new Output(buf);

    // Duration property
    out.writeString("onMetaData");
    Map<Object, Object> props = new HashMap<Object, Object>();
    props.put("duration", duration / 1000.0);
    if (firstVideoTag != -1) {
      long old = getCurrentPosition();
      setCurrentPosition(firstVideoTag);
      readTagHeader();
      fillBuffer(1);
      byte frametype = in.get();
      // Video codec id
      props.put("videocodecid", frametype & MASK_VIDEO_CODEC);
      setCurrentPosition(old);
    }
    if (firstAudioTag != -1) {
      long old = getCurrentPosition();
      setCurrentPosition(firstAudioTag);
      readTagHeader();
      fillBuffer(1);
      byte frametype = in.get();
      // Audio codec id
      props.put("audiocodecid", (frametype & MASK_SOUND_FORMAT) >> 4);
      setCurrentPosition(old);
    }
    props.put("canSeekToEnd", true);
    out.writeMap(props, new Serializer());
    buf.flip();

    ITag result = new Tag(IoConstants.TYPE_METADATA, 0, buf.limit(), null, 0);
    result.setBody(buf);
    return result;
  }