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The extension is suggested to be used for signaling per target bitrate, resolution and frame rate to a SFU to allow a SFU to know what video layers a client is currently targeting. It is hoped to replace the current Target bitrate RTCP XR message currently used only for screen share. Bug: webrtc:12000 Change-Id: Id7b55e7ddaf6304e31839fd0482b096e1dbe8925 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/185980 Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org> Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Commit-Queue: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32313}
35 lines
1.5 KiB
C++
35 lines
1.5 KiB
C++
/*
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* Copyright (c) 2020 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_VIDEO_LAYERS_ALLOCATION_EXTENSION_H_
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#define MODULES_RTP_RTCP_SOURCE_RTP_VIDEO_LAYERS_ALLOCATION_EXTENSION_H_
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#include "api/video/video_layers_allocation.h"
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#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
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namespace webrtc {
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// TODO(bugs.webrtc.org/12000): Note that this extensions is being developed and
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// the wire format will likely change.
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class RtpVideoLayersAllocationExtension {
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public:
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using value_type = VideoLayersAllocation;
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static constexpr RTPExtensionType kId = kRtpExtensionVideoLayersAllocation;
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static constexpr const char kUri[] =
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"http://www.webrtc.org/experiments/rtp-hdrext/video-layers-allocation00";
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static bool Parse(rtc::ArrayView<const uint8_t> data,
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VideoLayersAllocation* allocation);
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static size_t ValueSize(const VideoLayersAllocation& allocation);
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static bool Write(rtc::ArrayView<uint8_t> data,
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const VideoLayersAllocation& allocation);
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};
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} // namespace webrtc
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#endif // MODULES_RTP_RTCP_SOURCE_RTP_VIDEO_LAYERS_ALLOCATION_EXTENSION_H_
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