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Add parsing of three_dimensional_reference_displays_info
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ChristianFeldmann committed Mar 19, 2024
1 parent 9732ca0 commit fe173d1
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5 changes: 4 additions & 1 deletion YUViewLib/src/parser/HEVC/SEI/sei_message.cpp
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Expand Up @@ -38,9 +38,10 @@
#include "content_light_level_info.h"
#include "mastering_display_colour_volume.h"
#include "parser/common/SubByteReaderLoggingOptions.h"
#include <parser/common/Functions.h>
#include "pic_timing.h"
#include "three_dimensional_reference_displays_info.h"
#include "user_data_unregistered.h"
#include <parser/common/Functions.h>

namespace parser::hevc
{
Expand Down Expand Up @@ -234,6 +235,8 @@ sei_message::parsePayloadData(bool reparse,
this->payload = std::make_shared<content_light_level_info>();
else if (this->payloadType == 147)
this->payload = std::make_shared<alternative_transfer_characteristics>();
else if (this->payloadType == 176)
this->payload = std::make_shared<three_dimensional_reference_displays_info>();
else
this->payload = std::make_shared<unknown_sei>();
}
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@@ -0,0 +1,102 @@
/* 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:https://www.gnu.org/licenses/>.
*/

#include "three_dimensional_reference_displays_info.h"

#include <parser/common/Functions.h>

namespace parser::hevc
{

using namespace reader;

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;

SubByteReaderLoggingSubLevel subLevel(reader, "three_dimensional_reference_displays_info");

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));

const auto refDispWidthBits =
this->exponent_ref_display_width.at(i) == 0
? std::max(0ull, this->prec_ref_display_width - 30)
: std::max(0ull,
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));

if (this->ref_viewing_distance_flag)
{
this->exponent_ref_viewing_distance.push_back(
reader.readBits(formatArray("exponent_ref_viewing_distance", i), 6));

const auto refViewDistBits = exponent_ref_viewing_distance.at(i) == 0
? std::max(0ull, this->prec_ref_viewing_dist - 30)
: std::max(0ull,
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);
}

this->three_dimensional_reference_displays_extension_flag =
reader.readFlag("three_dimensional_reference_displays_extension_flag");

return SEIParsingResult::OK;
}

} // namespace parser::hevc
Original file line number Diff line number Diff line change
@@ -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:https://www.gnu.org/licenses/>.
*/

#pragma once

#include "parser/common/SubByteReaderLogging.h"
#include "sei_message.h"

namespace parser::hevc
{

class three_dimensional_reference_displays_info : public sei_payload
{
public:
three_dimensional_reference_displays_info() = default;

SEIParsingResult parse(reader::SubByteReaderLogging & reader,
bool reparse,
VPSMap & vpsMap,
SPSMap & spsMap,
std::shared_ptr<seq_parameter_set_rbsp> associatedSPS) override;

uint64_t prec_ref_display_width{};
bool ref_viewing_distance_flag{};
uint64_t prec_ref_viewing_dist{};
uint64_t num_ref_displays_minus1{};

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;

bool three_dimensional_reference_displays_extension_flag{};
};

} // namespace parser::hevc

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