target_bitrate.h (1779B)
1 /* 2 * Copyright (c) 2016 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_RTCP_PACKET_TARGET_BITRATE_H_ 12 #define MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TARGET_BITRATE_H_ 13 14 #include <stddef.h> 15 #include <stdint.h> 16 17 #include <vector> 18 19 namespace webrtc { 20 namespace rtcp { 21 22 class TargetBitrate { 23 public: 24 // TODO(sprang): This block type is just a place holder. We need to get an 25 // id assigned by IANA. 26 static constexpr uint8_t kBlockType = 42; 27 static constexpr size_t kBitrateItemSizeBytes = 4; 28 29 struct BitrateItem { 30 BitrateItem(); 31 BitrateItem(uint8_t spatial_layer, 32 uint8_t temporal_layer, 33 uint32_t target_bitrate_kbps); 34 35 uint8_t spatial_layer; 36 uint8_t temporal_layer; 37 uint32_t target_bitrate_kbps; 38 }; 39 40 TargetBitrate(); 41 TargetBitrate(const TargetBitrate&); 42 TargetBitrate& operator=(const TargetBitrate&); 43 ~TargetBitrate(); 44 45 void AddTargetBitrate(uint8_t spatial_layer, 46 uint8_t temporal_layer, 47 uint32_t target_bitrate_kbps); 48 49 const std::vector<BitrateItem>& GetTargetBitrates() const; 50 51 void Parse(const uint8_t* block, uint16_t block_length); 52 53 size_t BlockLength() const; 54 55 void Create(uint8_t* buffer) const; 56 57 private: 58 std::vector<BitrateItem> bitrates_; 59 }; 60 61 } // namespace rtcp 62 } // namespace webrtc 63 #endif // MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_TARGET_BITRATE_H_