Ejemplos de process_framed en C++ (Cpp)

Ejemplo n.º 1

Archivo: p_mpeg1_2.cpp Proyecto: basicmaster/mkvtoolnix

int
mpeg1_2_video_packetizer_c::process(packet_cptr packet) {
  if (0.0 > m_fps)
    extract_fps(packet->data->get_buffer(), packet->data->get_size());

  if (!m_aspect_ratio_extracted)
    extract_aspect_ratio(packet->data->get_buffer(), packet->data->get_size());

  return m_framed ? process_framed(packet) : process_unframed(packet);
}

Ejemplo n.º 2

Archivo: p_mpeg1_2.cpp Proyecto: Trottel/mkvtoolnix

int
mpeg1_2_video_packetizer_c::process(packet_cptr packet) {
  if (0.0 > m_fps)
    extract_fps(packet->data->get_buffer(), packet->data->get_size());

  if (!m_aspect_ratio_extracted)
    extract_aspect_ratio(packet->data->get_buffer(), packet->data->get_size());

  if (m_framed)
    return process_framed(packet);

  int state = m_parser.GetState();
  if ((MPV_PARSER_STATE_EOS == state) || (MPV_PARSER_STATE_ERROR == state))
    return FILE_STATUS_DONE;

  memory_cptr old_memory  = packet->data;
  unsigned char *data_ptr = old_memory->get_buffer();
  int new_bytes           = old_memory->get_size();

  if (packet->has_timecode())
    m_parser.AddTimecode(packet->timecode);

  do {
    int bytes_to_add = (m_parser.GetFreeBufferSpace() < new_bytes) ? m_parser.GetFreeBufferSpace() : new_bytes;
    if (0 < bytes_to_add) {
      m_parser.WriteData(data_ptr, bytes_to_add);
      data_ptr  += bytes_to_add;
      new_bytes -= bytes_to_add;
    }

    state = m_parser.GetState();
    while (MPV_PARSER_STATE_FRAME == state) {
      MPEGFrame *frame = m_parser.ReadFrame();
      if (NULL == frame)
        break;

      if (NULL == m_hcodec_private)
        create_private_data();

      packet_cptr new_packet   = packet_cptr(new packet_t(new memory_c(frame->data, frame->size, true), frame->timecode, frame->duration, frame->firstRef, frame->secondRef));
      new_packet->time_factor = MPEG2_PICTURE_TYPE_FRAME == frame->pictureStructure ? 1 : 2;

      put_sequence_headers_into_codec_state(new_packet);

      video_packetizer_c::process(new_packet);

      frame->data = NULL;
      delete frame;

      state = m_parser.GetState();
    }
  } while (0 < new_bytes);

  return FILE_STATUS_MOREDATA;
}