1 /* 2 * Copyright (c) 2020 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef MODULES_RTP_RTCP_SOURCE_RTP_VIDEO_LAYERS_ALLOCATION_EXTENSION_H_ 12 #define MODULES_RTP_RTCP_SOURCE_RTP_VIDEO_LAYERS_ALLOCATION_EXTENSION_H_ 13 14 #include "absl/strings/string_view.h" 15 #include "api/rtp_parameters.h" 16 #include "api/video/video_layers_allocation.h" 17 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h" 18 19 namespace webrtc { 20 21 // TODO(bugs.webrtc.org/12000): Note that this extensions is being developed and 22 // the wire format will likely change. 23 class RtpVideoLayersAllocationExtension { 24 public: 25 using value_type = VideoLayersAllocation; 26 static constexpr RTPExtensionType kId = kRtpExtensionVideoLayersAllocation; Uri()27 static constexpr absl::string_view Uri() { 28 return RtpExtension::kVideoLayersAllocationUri; 29 } 30 31 static bool Parse(rtc::ArrayView<const uint8_t> data, 32 VideoLayersAllocation* allocation); 33 static size_t ValueSize(const VideoLayersAllocation& allocation); 34 static bool Write(rtc::ArrayView<uint8_t> data, 35 const VideoLayersAllocation& allocation); 36 }; 37 38 } // namespace webrtc 39 #endif // MODULES_RTP_RTCP_SOURCE_RTP_VIDEO_LAYERS_ALLOCATION_EXTENSION_H_ 40