How to use

writeLong

method

in

org.jcodec.common.NIOUtils

public void storeHeader(MovieBox movie) throws IOException {
  long mdatSize = out.position() - mdatOffset + 8;
  MP4Util.writeMovie(out, movie);
  out.position(mdatOffset);
  NIOUtils.writeLong(out, mdatSize);
}

public void storeHeader(MovieBox movie) throws IOException {
  long mdatSize = out.position() - mdatOffset + 8;
  MP4Util.writeMovie(out, movie);
  out.position(mdatOffset);
  NIOUtils.writeLong(out, mdatSize);
}

public WebOptimizedMP4Muxer(SeekableByteChannel output, Brand brand, int headerSize) throws IOException {
  super(output, brand);
  headerPos = output.position() - 24;
  output.position(headerPos);
  header = ByteBuffer.allocate(headerSize);
  output.write(header);
  header.clear();
  new Header("wide", 8).write(output);
  new Header("mdat", 1).write(output);
  mdatOffset = output.position();
  NIOUtils.writeLong(output, 0);
}

public WebOptimizedMP4Muxer(SeekableByteChannel output, Brand brand, int headerSize) throws IOException {
  super(output, brand);
  headerPos = output.position() - 24;
  output.position(headerPos);
  header = ByteBuffer.allocate(headerSize);
  output.write(header);
  header.clear();
  new Header("wide", 8).write(output);
  new Header("mdat", 1).write(output);
  mdatOffset = output.position();
  NIOUtils.writeLong(output, 0);
}

  @Override
  public void storeHeader(MovieBox movie) throws IOException {
    long mdatEnd = out.position();
    long mdatSize = mdatEnd - mdatOffset + 8;
    out.position(mdatOffset);
    NIOUtils.writeLong(out, mdatSize);

    out.position(headerPos);
    try {
      movie.write(header);
      header.flip();
      int rem = header.capacity() - header.limit();
      if (rem < 8) {
        header.duplicate().putInt(header.capacity());
      }
      out.write(header);
      if (rem >= 8)
        new Header("free", rem).write(out);
    } catch (ArrayIndexOutOfBoundsException e) {
      Logger.warn("Could not web-optimize, header is bigger then allocated space.");
      new Header("free", header.remaining()).write(out);
      out.position(mdatEnd);
      MP4Util.writeMovie(out, movie);
    }
  }
}

  @Override
  public void storeHeader(MovieBox movie) throws IOException {
    long mdatEnd = out.position();
    long mdatSize = mdatEnd - mdatOffset + 8;
    out.position(mdatOffset);
    NIOUtils.writeLong(out, mdatSize);

    out.position(headerPos);
    try {
      movie.write(header);
      header.flip();
      int rem = header.capacity() - header.limit();
      if (rem < 8) {
        header.duplicate().putInt(header.capacity());
      }
      out.write(header);
      if (rem >= 8)
        new Header("free", rem).write(out);
    } catch (ArrayIndexOutOfBoundsException e) {
      Logger.warn("Could not web-optimize, header is bigger then allocated space.");
      new Header("free", header.remaining()).write(out);
      out.position(mdatEnd);
      MP4Util.writeMovie(out, movie);
    }
  }
}