1 /* 2 * Copyright (c) 2015 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 12 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_RTPFB_H_ 13 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_RTPFB_H_ 14 15 #include "webrtc/base/basictypes.h" 16 #include "webrtc/modules/rtp_rtcp/source/rtcp_packet.h" 17 18 namespace webrtc { 19 namespace rtcp { 20 21 // RTPFB: Transport layer feedback message. 22 // RFC4585, Section 6.2 23 class Rtpfb : public RtcpPacket { 24 public: 25 static const uint8_t kPacketType = 205; 26 27 Rtpfb() : sender_ssrc_(0), media_ssrc_(0) {} 28 virtual ~Rtpfb() {} 29 30 void From(uint32_t ssrc) { sender_ssrc_ = ssrc; } 31 void To(uint32_t ssrc) { media_ssrc_ = ssrc; } 32 33 uint32_t sender_ssrc() const { return sender_ssrc_; } 34 uint32_t media_ssrc() const { return media_ssrc_; } 35 36 protected: 37 static const size_t kCommonFeedbackLength = 8; 38 void ParseCommonFeedback(const uint8_t* payload); 39 void CreateCommonFeedback(uint8_t* payload) const; 40 41 private: 42 uint32_t sender_ssrc_; 43 uint32_t media_ssrc_; 44 }; 45 46 } // namespace rtcp 47 } // namespace webrtc 48 #endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTCP_PACKET_RTPFB_H_ 49
