Method runParsingOfFile

YUViewLib/src/parser/AVFormat/ParserAVFormat.cpp:567–699

}

bool ParserAVFormat::runParsingOfFile(QString compressedFilePath)
{
  // Open the file but don't parse it yet.
  QScopedPointer<FileSourceFFmpegFile> ffmpegFile(new FileSourceFFmpegFile());
  if (!ffmpegFile->openFile(compressedFilePath, nullptr, nullptr, false))
  {
    emit backgroundParsingDone("Error opening the ffmpeg file.");
    return false;
  }

  this->codecID = ffmpegFile->getVideoStreamCodecID();
  if (this->codecID.isAVC())
    this->annexBParser.reset(new ParserAnnexBAVC());
  else if (this->codecID.isHEVC())
    this->annexBParser.reset(new ParserAnnexBHEVC());
  else if (this->codecID.isMpeg2())
    this->annexBParser.reset(new ParserAnnexBMpeg2());
  else if (this->codecID.isAV1())
    this->obuParser.reset(new ParserAV1OBU());
  else if (this->codecID.isNone())
  {
    emit backgroundParsingDone("Unknown codec ID " + this->codecID.getCodecName());
    return false;
  }

  if (this->annexBParser)
    this->annexBParser->setRedirectPlotModel(this->getHRDPlotModel());
  if (this->obuParser)
    this->obuParser->setRedirectPlotModel(this->getHRDPlotModel());

  // Don't seek to the beginning here. This causes more problems then it solves.
  // ffmpegFile->seekFileToBeginning();

  // First get the extradata and push it to the parser
  try
  {
    auto extradata = SubByteReaderLogging::convertToByteVector(ffmpegFile->getExtradata());
    this->parseExtradata(extradata);
  }
  catch (...)
  {
    emit backgroundParsingDone("Error parsing Extradata from container");
    return false;
  }
  try
  {
    auto metadata = ffmpegFile->getMetadata();
    this->parseMetadata(metadata);
  }
  catch (...)
  {
    emit backgroundParsingDone("Error parsing Metadata from container");
    return false;
  }

  int max_ts                      = ffmpegFile->getMaxTS();
  this->videoStreamIndex          = ffmpegFile->getVideoStreamIndex();
  this->framerate                 = ffmpegFile->getFramerate();