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YUViewLib/src/parser/AVFormat/DecoderConfigurationLhvC.cpp
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/* This file is part of YUView - The YUV player with advanced analytics toolset | ||
* <https://github.com/IENT/YUView> | ||
* Copyright (C) 2015 Institut f�r Nachrichtentechnik, RWTH Aachen University, GERMANY | ||
* | ||
* This program is free software; you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation; either version 3 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* In addition, as a special exception, the copyright holders give | ||
* permission to link the code of portions of this program with the | ||
* OpenSSL library under certain conditions as described in each | ||
* individual source file, and distribute linked combinations including | ||
* the two. | ||
* | ||
* You must obey the GNU General Public License in all respects for all | ||
* of the code used other than OpenSSL. If you modify file(s) with this | ||
* exception, you may extend this exception to your version of the | ||
* file(s), but you are not obligated to do so. If you do not wish to do | ||
* so, delete this exception statement from your version. If you delete | ||
* this exception statement from all source files in the program, then | ||
* also delete it here. | ||
* | ||
* This program is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
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#include "DecoderConfigurationLhvC.h" | ||
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namespace parser::avformat | ||
{ | ||
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using namespace reader; | ||
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void DecoderConfigurationLhvC::parse(const ByteVector & data, | ||
std::shared_ptr<TreeItem> root, | ||
ParserAnnexBHEVC * hevcParser, | ||
BitratePlotModel * bitrateModel) | ||
{ | ||
SubByteReaderLogging reader(data, root, "Extradata (HEVC lhvC format)"); | ||
reader.disableEmulationPrevention(); | ||
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// ISO/IEC 14496-15, 9.6.3 | ||
this->configurationVersion = | ||
reader.readBits("configurationVersion", 8, Options().withCheckEqualTo(1)); | ||
reader.readBits("reserved_4onebits", 4, Options().withCheckEqualTo(15)); | ||
this->min_spatial_segmentation_idc = reader.readBits("min_spatial_segmentation_idc", 12); | ||
reader.readBits("reserver_6onebits", 6, Options().withCheckEqualTo(63)); | ||
this->parallelismType = | ||
reader.readBits("parallelismType", | ||
2, | ||
Options().withMeaningVector({"mixed-type parallel decoding", | ||
"slice-based parallel decoding", | ||
"tile-based parallel decoding", | ||
"wavefront-based parallel decoding"})); | ||
reader.readBits("reserver_2onebits", 2, Options().withCheckEqualTo(3)); | ||
this->numTemporalLayers = reader.readBits("numTemporalLayers", 3); | ||
this->temporalIdNested = reader.readFlag("temporalIdNested"); | ||
this->lengthSizeMinusOne = reader.readBits("lengthSizeMinusOne", 2); | ||
this->numOfArrays = reader.readBits("numOfArrays", 8); | ||
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// Now parse the contained raw NAL unit arrays | ||
for (unsigned i = 0; i < this->numOfArrays; i++) | ||
{ | ||
DecoderConfigurationNALArray array; | ||
array.parse(i, reader, hevcParser, bitrateModel); | ||
this->naluArrays.push_back(array); | ||
} | ||
} | ||
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} // namespace parser::avformat |
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