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Merge pull request #568 from IENT/feature/HEVC3dReferenceDisplaySEIPa…
…rsing Add parsing of three_dimensional_reference_displays_info
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102 changes: 102 additions & 0 deletions
102
YUViewLib/src/parser/HEVC/SEI/three_dimensional_reference_displays_info.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 "three_dimensional_reference_displays_info.h" | ||
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#include <parser/common/Functions.h> | ||
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namespace parser::hevc | ||
{ | ||
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using namespace reader; | ||
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SEIParsingResult three_dimensional_reference_displays_info::parse( | ||
reader::SubByteReaderLogging &reader, | ||
bool reparse, | ||
VPSMap &vpsMap, | ||
SPSMap &spsMap, | ||
std::shared_ptr<seq_parameter_set_rbsp> associatedSPS) | ||
{ | ||
(void)reparse; | ||
(void)vpsMap; | ||
(void)spsMap; | ||
(void)associatedSPS; | ||
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SubByteReaderLoggingSubLevel subLevel(reader, "three_dimensional_reference_displays_info"); | ||
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this->prec_ref_display_width = reader.readUEV("prec_ref_display_width"); | ||
this->ref_viewing_distance_flag = reader.readFlag("ref_viewing_distance_flag"); | ||
if (this->ref_viewing_distance_flag) | ||
this->prec_ref_viewing_dist = reader.readUEV("prec_ref_viewing_dist"); | ||
this->num_ref_displays_minus1 = reader.readUEV("num_ref_displays_minus1"); | ||
for (unsigned i = 0; i <= num_ref_displays_minus1; ++i) | ||
{ | ||
this->left_view_id.push_back(reader.readUEV(formatArray("left_view_id", i))); | ||
this->right_view_id.push_back(reader.readUEV(formatArray("right_view_id", i))); | ||
this->exponent_ref_display_width.push_back( | ||
reader.readBits(formatArray("exponent_ref_display_width", i), 6)); | ||
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const auto refDispWidthBits = | ||
this->exponent_ref_display_width.at(i) == 0 | ||
? std::max(uint64_t(0), this->prec_ref_display_width - 30) | ||
: std::max(uint64_t(0), | ||
this->exponent_ref_display_width.at(i) + this->prec_ref_display_width - 31); | ||
this->mantissa_ref_display_width.push_back( | ||
reader.readBits(formatArray("mantissa_ref_display_width", i), refDispWidthBits)); | ||
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if (this->ref_viewing_distance_flag) | ||
{ | ||
this->exponent_ref_viewing_distance.push_back( | ||
reader.readBits(formatArray("exponent_ref_viewing_distance", i), 6)); | ||
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const auto refViewDistBits = exponent_ref_viewing_distance.at(i) == 0 | ||
? std::max(uint64_t(0), this->prec_ref_viewing_dist - 30) | ||
: std::max(uint64_t(0), | ||
this->exponent_ref_viewing_distance.at(i) + | ||
this->prec_ref_viewing_dist - 31); | ||
this->mantissa_ref_viewing_distance.push_back( | ||
reader.readBits(formatArray("mantissa_ref_viewing_distance", i), refViewDistBits)); | ||
} | ||
this->additional_shift_present_flag.push_back( | ||
reader.readFlag(formatArray("additional_shift_present_flag", i))); | ||
if (this->additional_shift_present_flag.at(i)) | ||
this->num_sample_shift_plus512[i] = | ||
reader.readBits(formatArray("num_sample_shift_plus512", i), 10); | ||
} | ||
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this->three_dimensional_reference_displays_extension_flag = | ||
reader.readFlag("three_dimensional_reference_displays_extension_flag"); | ||
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return SEIParsingResult::OK; | ||
} | ||
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} // namespace parser::hevc |
69 changes: 69 additions & 0 deletions
69
YUViewLib/src/parser/HEVC/SEI/three_dimensional_reference_displays_info.h
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@@ -0,0 +1,69 @@ | ||
/* 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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#pragma once | ||
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#include "parser/common/SubByteReaderLogging.h" | ||
#include "sei_message.h" | ||
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namespace parser::hevc | ||
{ | ||
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class three_dimensional_reference_displays_info : public sei_payload | ||
{ | ||
public: | ||
three_dimensional_reference_displays_info() = default; | ||
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SEIParsingResult parse(reader::SubByteReaderLogging & reader, | ||
bool reparse, | ||
VPSMap & vpsMap, | ||
SPSMap & spsMap, | ||
std::shared_ptr<seq_parameter_set_rbsp> associatedSPS) override; | ||
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uint64_t prec_ref_display_width{}; | ||
bool ref_viewing_distance_flag{}; | ||
uint64_t prec_ref_viewing_dist{}; | ||
uint64_t num_ref_displays_minus1{}; | ||
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vector<uint64_t> left_view_id; | ||
vector<uint64_t> right_view_id; | ||
vector<uint64_t> exponent_ref_display_width; | ||
vector<uint64_t> mantissa_ref_display_width; | ||
vector<uint64_t> exponent_ref_viewing_distance; | ||
vector<uint64_t> mantissa_ref_viewing_distance; | ||
vector<bool> additional_shift_present_flag; | ||
umap_1d<uint64_t> num_sample_shift_plus512; | ||
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bool three_dimensional_reference_displays_extension_flag{}; | ||
}; | ||
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} // namespace parser::hevc |