1 /* 2 * Copyright (c) 2017 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 CALL_RTX_RECEIVE_STREAM_H_ 12 #define CALL_RTX_RECEIVE_STREAM_H_ 13 14 #include <cstdint> 15 #include <map> 16 17 #include "call/rtp_packet_sink_interface.h" 18 19 namespace webrtc { 20 21 class ReceiveStatistics; 22 23 // This class is responsible for RTX decapsulation. The resulting media packets 24 // are passed on to a sink representing the associated media stream. 25 class RtxReceiveStream : public RtpPacketSinkInterface { 26 public: 27 RtxReceiveStream(RtpPacketSinkInterface* media_sink, 28 std::map<int, int> associated_payload_types, 29 uint32_t media_ssrc, 30 // TODO(nisse): Delete this argument, and 31 // corresponding member variable, by moving the 32 // responsibility for rtcp feedback to 33 // RtpStreamReceiverController. 34 ReceiveStatistics* rtp_receive_statistics = nullptr); 35 ~RtxReceiveStream() override; 36 // RtpPacketSinkInterface. 37 void OnRtpPacket(const RtpPacketReceived& packet) override; 38 39 private: 40 RtpPacketSinkInterface* const media_sink_; 41 // Map from rtx payload type -> media payload type. 42 const std::map<int, int> associated_payload_types_; 43 // TODO(nisse): Ultimately, the media receive stream shouldn't care about the 44 // ssrc, and we should delete this. 45 const uint32_t media_ssrc_; 46 ReceiveStatistics* const rtp_receive_statistics_; 47 }; 48 49 } // namespace webrtc 50 51 #endif // CALL_RTX_RECEIVE_STREAM_H_ 52