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52e5242593
TBR=aleloi@webrtc.org Bug: webrtc:10342 Change-Id: I9d321ec47ed748ccfac2be6793923c46d0a88d16 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144032 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Philip Eliasson <philipel@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28415}
53 lines
2.2 KiB
C++
53 lines
2.2 KiB
C++
/*
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* Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_RTP_RTCP_SOURCE_RTP_DEPENDENCY_DESCRIPTOR_EXTENSION_H_
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#define MODULES_RTP_RTCP_SOURCE_RTP_DEPENDENCY_DESCRIPTOR_EXTENSION_H_
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#include <cstdint>
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#include "api/array_view.h"
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#include "common_video/generic_frame_descriptor/generic_frame_info.h"
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#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
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#include "modules/rtp_rtcp/source/rtp_dependency_descriptor_reader.h"
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#include "modules/rtp_rtcp/source/rtp_dependency_descriptor_writer.h"
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namespace webrtc {
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// Trait to read/write the dependency descriptor extension as described in
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// https://aomediacodec.github.io/av1-rtp-spec/#dependency-descriptor-rtp-header-extension
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// While the format is still in design, the code might change without backward
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// compatibility.
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class RtpDependencyDescriptorExtension {
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public:
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static constexpr RTPExtensionType kId = kRtpExtensionGenericFrameDescriptor02;
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// TODO(bugs.webrtc.org/10342): Use uri from the spec when there is one.
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static constexpr char kUri[] =
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"http://www.webrtc.org/experiments/rtp-hdrext/"
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"generic-frame-descriptor-02";
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static bool Parse(rtc::ArrayView<const uint8_t> data,
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RtpDependencyDescriptorReader* reader,
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DependencyDescriptor* descriptor) {
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return reader->Parse(data, descriptor);
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}
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static size_t ValueSize(RtpDependencyDescriptorWriter* writer,
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const DependencyDescriptor& descriptor) {
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return writer->ValueSizeBytes(descriptor);
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}
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static bool Write(rtc::ArrayView<uint8_t> data,
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RtpDependencyDescriptorWriter* writer,
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const DependencyDescriptor& descriptor) {
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return writer->Write(descriptor, data);
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}
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};
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} // namespace webrtc
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#endif // MODULES_RTP_RTCP_SOURCE_RTP_DEPENDENCY_DESCRIPTOR_EXTENSION_H_
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