rtp_dependency_descriptor_writer.cc

/*
 *  Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */
#include "modules/rtp_rtcp/source/rtp_dependency_descriptor_writer.h"

#include <bitset>
#include <cstddef>
#include <cstdint>
#include <iterator>
#include <vector>

#include "absl/algorithm/container.h"
#include "api/array_view.h"
#include "api/transport/rtp/dependency_descriptor.h"
#include "rtc_base/bit_buffer.h"
#include "rtc_base/checks.h"

namespace webrtc {
namespace {

enum class NextLayerIdc : uint64_t { … };

NextLayerIdc GetNextLayerIdc(const FrameDependencyTemplate& previous,
                             const FrameDependencyTemplate& next) { … }

}  // namespace

RtpDependencyDescriptorWriter::RtpDependencyDescriptorWriter(
    rtc::ArrayView<uint8_t> data,
    const FrameDependencyStructure& structure,
    std::bitset<32> active_chains,
    const DependencyDescriptor& descriptor)
    : … { … }

bool RtpDependencyDescriptorWriter::Write() { … }

int RtpDependencyDescriptorWriter::ValueSizeBits() const { … }

int RtpDependencyDescriptorWriter::StructureSizeBits() const { … }

RtpDependencyDescriptorWriter::TemplateMatch
RtpDependencyDescriptorWriter::CalculateMatch(
    TemplateIterator frame_template) const { … }

void RtpDependencyDescriptorWriter::FindBestTemplate() { … }

bool RtpDependencyDescriptorWriter::ShouldWriteActiveDecodeTargetsBitmask()
    const { … }

bool RtpDependencyDescriptorWriter::HasExtendedFields() const { … }

uint64_t RtpDependencyDescriptorWriter::TemplateId() const { … }

void RtpDependencyDescriptorWriter::WriteBits(uint64_t val, size_t bit_count) { … }

void RtpDependencyDescriptorWriter::WriteNonSymmetric(uint32_t value,
                                                      uint32_t num_values) { … }

void RtpDependencyDescriptorWriter::WriteTemplateDependencyStructure() { … }

void RtpDependencyDescriptorWriter::WriteTemplateLayers() { … }

void RtpDependencyDescriptorWriter::WriteTemplateDtis() { … }

void RtpDependencyDescriptorWriter::WriteTemplateFdiffs() { … }

void RtpDependencyDescriptorWriter::WriteTemplateChains() { … }

void RtpDependencyDescriptorWriter::WriteResolutions() { … }

void RtpDependencyDescriptorWriter::WriteMandatoryFields() { … }

void RtpDependencyDescriptorWriter::WriteExtendedFields() { … }

void RtpDependencyDescriptorWriter::WriteFrameDependencyDefinition() { … }

void RtpDependencyDescriptorWriter::WriteFrameDtis() { … }

void RtpDependencyDescriptorWriter::WriteFrameFdiffs() { … }

void RtpDependencyDescriptorWriter::WriteFrameChains() { … }

}  // namespace webrtc
chromium/third_party/webrtc/modules/rtp_rtcp/source/rtp_dependency_descriptor_writer.cc
