Examples of org.red5.io.flv.impl.FLVReader

org.red5.io.flv.impl.Tag
A Reader is used to read the contents of a FLV file. NOTE: This class is not implemented as threading-safe. The caller should make sure the threading-safety. @author The Red5 Project (red5@osflash.org) @author Dominick Accattato (daccattato@gmail.com) @author Luke Hubbard, Codegent Ltd (luke@codegent.com) @author Paul Gregoire, (mondain@gmail.com)

     */
  private void writeMetadataTag(double duration, Integer videoCodecId, Integer audioCodecId) throws IOException {
    metaPosition = channel.position();
    IoBuffer buf = IoBuffer.allocate(1024);
    buf.setAutoExpand(true);
    Output out = new Output(buf);
    out.writeString("onMetaData");
    Map<Object, Object> params = new HashMap<Object, Object>(4);
    params.put("duration", duration);
    if (videoCodecId != null) {
      params.put("videocodecid", videoCodecId.intValue());
    }
    if (audioCodecId != null) {
      params.put("audiocodecid", audioCodecId.intValue());
    }
    params.put("canSeekToEnd", true);
    out.writeMap(params, new Serializer());
    buf.flip();


    if (fileMetaSize == 0) {
      fileMetaSize = buf.limit();
    }

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   *
   * @throws IOException      Any I/O exception
   */
  public void writeHeader() throws IOException {
    //Header fields (in same order than spec, for comparison purposes)
    FLVHeader flvHeader = new FLVHeader();
    flvHeader.setSignature("FLV".getBytes());
    flvHeader.setVersion ((byte)0x01);
    flvHeader.setFlagReserved01 ((byte) 0x0);
    flvHeader.setFlagAudio (true);
    flvHeader.setFlagReserved02 ((byte) 0x0);
    flvHeader.setFlagVideo (true);
    flvHeader.write(out);
    
    //Dump header to output channel
    channel.write(out.buf());
  }

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  @Test
  public void testFLVReaderFileWithPreProcessInfo() {
    File file = new File("target/test-classes/fixtures/131647.flv");
    //File file = new File("target/test-classes/fixtures/test.flv");
    try {
      FLVReader reader = new FLVReader(file, true);
      KeyFrameMeta meta = reader.analyzeKeyFrames();
      log.debug("Meta: {}", meta);
      ITag tag = null;
      for (int t = 0; t < 6; t++) {
        tag = reader.readTag();
        log.debug("Tag: {}", tag);
      }
      reader.close();
      log.info("----------------------------------------------------------------------------------");
    } catch (IOException e) {
      e.printStackTrace();
    }
  }

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  public void testFLVReaderFile() {
    File[] files = new File[] { new File("target/test-classes/fixtures/h264_aac.flv"), new File("target/test-classes/fixtures/h264_mp3.flv"),
        new File("target/test-classes/fixtures/h264_speex.flv") };
    try {
      for (File file : files) {
        FLVReader reader = new FLVReader(file, true);


        KeyFrameMeta meta = reader.analyzeKeyFrames();
        log.debug("Meta: {}", meta);


        ITag tag = null;
        for (int t = 0; t < 6; t++) {
          tag = reader.readTag();
          log.debug("Tag: {}", tag);
        }
        reader.close();
        log.info("----------------------------------------------------------------------------------");
      }
    } catch (IOException e) {
      e.printStackTrace();
    }

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   * {@inheritDoc}
   */
  public void write(IMetaData meta) throws IOException {
    // Get cue points, FLV reader and writer
    IMetaCue[] metaArr = meta.getMetaCue();
    FLVReader reader = new FLVReader(file, false);
    FLVWriter writer = new FLVWriter(fos, false);
    ITag tag = null;


    // Read first tag
    if (reader.hasMoreTags()) {
      tag = reader.readTag();
      if (tag.getDataType() == IoConstants.TYPE_METADATA) {
        if (!reader.hasMoreTags())
          throw new IOException(
              "File we're writing is metadata only?");
      }
    }


    meta.setDuration(((double) reader.getDuration() / 1000));
    meta.setVideoCodecId(reader.getVideoCodecId());
    meta.setAudioCodecId(reader.getAudioCodecId());


    ITag injectedTag = injectMetaData(meta, tag);
    injectedTag.setPreviousTagSize(0);
    tag.setPreviousTagSize(injectedTag.getBodySize());


    writer.writeHeader();
    writer.writeTag(injectedTag);
    writer.writeTag(tag);


    int cuePointTimeStamp = 0;
    int counter = 0;


    if (metaArr != null) {
      Arrays.sort(metaArr);
      cuePointTimeStamp = getTimeInMilliseconds(metaArr[0]);
    }


    while (reader.hasMoreTags()) {
      tag = reader.readTag();


      // if there are cuePoints in the array
      if (counter < metaArr.length) {


        // If the tag has a greater timestamp than the

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    if (writer != null && !this.isClosed) {
      try {
        
        log.debug("#################### -start- closeStream ########################");
        log.debug("#################### -start- closeStream ########################");
        FLVWriter flvWriter = (FLVWriter) writer;
        //log.debug("duration: "+flvWriter.getDuration());
        //log.debug(writer.getClass().getName());
        
        writer.close();

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        int timeStamp = streampacket.getTimestamp();
        
        timeStamp -= startTimeStamp;
        
              ITag tag = new Tag();
              tag.setDataType(streampacket.getDataType());
              
              //log.debug("data.limit() :: "+data.limit());
        tag.setBodySize(data.limit());
        tag.setTimestamp(timeStamp);
        tag.setBody(data);
        
        
        if (this.isInterview) {
          if (timeStamp <= 500) {
            //We will cut the first 0.5 seconds

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    if (fileMetaSize == 0) {
      fileMetaSize = buf.limit();
    }


    ITag onMetaData = new Tag(ITag.TYPE_METADATA, 0, fileMetaSize, buf, 0);
    writeTag(onMetaData);
  }

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          FlvRecordingMetaDeltaDaoImpl.getInstance().addFlvRecordingMetaDelta(flvRecordingMetaDelta);
          
        }
        
              ITag tag = new Tag();
              tag.setDataType(streampacket.getDataType());
              
              //log.debug("data.limit() :: "+data.limit());
        tag.setBodySize(data.limit());
        tag.setTimestamp(timeStamp);
        tag.setBody(data);
        
        writer.writeTag(tag);
      
      }

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//            
//          }
          
        }
              
              ITag tag = new Tag();
              tag.setDataType(streampacket.getDataType());
              
              //log.debug("data.limit() :: "+data.limit());
        tag.setBodySize(data.limit());
        tag.setTimestamp(timeStamp);
        tag.setBody(data);
        
        //log.debug("duration: "+flvWriter.getDuration());
        
        if (debug) {
          
          String filePath = folderPath + File.separatorChar 
              + "Packet"
              +"_t_"+tag.getTimestamp()
              +"_d_"+deltaTime
              +"_s_"+tag.getBodySize()
              +".flv";
          
          //File out = new File();
          
          FLVDebugWriter flvWriterDebug = new FLVDebugWriter( new File( filePath ), false);
          
          flvWriterDebug.writeBytesFromTag(streampacket.getData().asReadOnlyBuffer());


          flvWriterDebug.closeBytesFile();
          
        }


        writer.writeTag(tag);
  
      } else if (streampacket.getDataType() == 9) {
        
        //Video data is handled just without calculating deltas
        int timeStamp = streampacket.getTimestamp();
        
        timeStamp -= startTimeStamp;
        
        ITag tag = new Tag();
              tag.setDataType(streampacket.getDataType());
              
              //log.debug("data.limit() :: "+data.limit());
        tag.setBodySize(data.limit());
        tag.setTimestamp(timeStamp);
        tag.setBody(data);
        
        writer.writeTag(tag);
        
      }

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