Method sampleDesc

src/quicktimevideo.cpp:1177–1193

}  // QuickTimeVideo::timeToSampleDecoder

void QuickTimeVideo::sampleDesc(size_t size) {
  DataBuf buf(100);
  size_t cur_pos = io_->tell();
  io_->readOrThrow(buf.data(), 4);
  io_->readOrThrow(buf.data(), 4);
  const uint32_t noOfEntries = buf.read_uint32(0, bigEndian);

  for (uint32_t i = 0; i < noOfEntries; i++) {
    if (currentStream_ == Video)
      imageDescDecoder();
    else if (currentStream_ == Audio)
      audioDescDecoder();
    else
      break;
  }
  io_->seek(Safe::add(cur_pos, size), BasicIo::beg);
}  // QuickTimeVideo::sampleDesc

void QuickTimeVideo::audioDescDecoder() {
  DataBuf buf(40);