Method parse

YUViewLib/src/parser/Mpeg2/picture_coding_extension.cpp:43–80

using namespace parser::reader;

void picture_coding_extension::parse(reader::SubByteReaderLogging &reader)
{
  SubByteReaderLoggingSubLevel subLevel(reader, "picture_coding_extension");

  this->f_code[0][0] = reader.readBits(formatArray("f_code", 0, 0), 4); // forward horizontal
  this->f_code[0][1] = reader.readBits(formatArray("f_code", 0, 1), 4); // forward vertical
  this->f_code[1][0] = reader.readBits(formatArray("f_code", 1, 0), 4); // backward horizontal
  this->f_code[1][1] = reader.readBits(formatArray("f_code", 1, 1), 4); // backward vertical

  this->intra_dc_precision = reader.readBits(
      "intra_dc_precision",
      2,
      Options().withMeaningVector(
          {"Precision 8 bit", "Precision 9 bit", "Precision 10 bit", "Precision 11 bit"}));
  this->picture_structure = reader.readBits(
      "picture_structure",
      2,
      Options().withMeaningVector({"Reserved", "Top Field", "Bottom Field", "Frame picture"}));

  this->top_field_first            = reader.readFlag("top_field_first");
  this->frame_pred_frame_dct       = reader.readFlag("frame_pred_frame_dct");
  this->concealment_motion_vectors = reader.readFlag("concealment_motion_vectors");
  this->q_scale_type               = reader.readFlag("q_scale_type");
  this->intra_vlc_format           = reader.readFlag("intra_vlc_format");
  this->alternate_scan             = reader.readFlag("alternate_scan");
  this->repeat_first_field         = reader.readFlag("repeat_first_field");
  this->chroma_420_type            = reader.readFlag("chroma_420_type");
  this->progressive_frame          = reader.readFlag("progressive_frame");
  this->composite_display_flag     = reader.readFlag("composite_display_flag");
  if (composite_display_flag)
  {
    this->v_axis            = reader.readFlag("v_axis");
    this->field_sequence    = reader.readBits("field_sequence", 3);
    this->sub_carrier       = reader.readFlag("sub_carrier");
    this->burst_amplitude   = reader.readBits("burst_amplitude", 7);
    this->sub_carrier_phase = reader.readBits("sub_carrier_phase", 8);
  }
}

} // namespace parser::mpeg2