1*d9f75844SAndroid Build Coastguard Worker /* 2*d9f75844SAndroid Build Coastguard Worker * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. 3*d9f75844SAndroid Build Coastguard Worker * 4*d9f75844SAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license 5*d9f75844SAndroid Build Coastguard Worker * that can be found in the LICENSE file in the root of the source 6*d9f75844SAndroid Build Coastguard Worker * tree. An additional intellectual property rights grant can be found 7*d9f75844SAndroid Build Coastguard Worker * in the file PATENTS. All contributing project authors may 8*d9f75844SAndroid Build Coastguard Worker * be found in the AUTHORS file in the root of the source tree. 9*d9f75844SAndroid Build Coastguard Worker */ 10*d9f75844SAndroid Build Coastguard Worker #ifndef VIDEO_ENCODER_RTCP_FEEDBACK_H_ 11*d9f75844SAndroid Build Coastguard Worker #define VIDEO_ENCODER_RTCP_FEEDBACK_H_ 12*d9f75844SAndroid Build Coastguard Worker 13*d9f75844SAndroid Build Coastguard Worker #include <functional> 14*d9f75844SAndroid Build Coastguard Worker #include <vector> 15*d9f75844SAndroid Build Coastguard Worker 16*d9f75844SAndroid Build Coastguard Worker #include "api/sequence_checker.h" 17*d9f75844SAndroid Build Coastguard Worker #include "api/units/time_delta.h" 18*d9f75844SAndroid Build Coastguard Worker #include "api/units/timestamp.h" 19*d9f75844SAndroid Build Coastguard Worker #include "call/rtp_video_sender_interface.h" 20*d9f75844SAndroid Build Coastguard Worker #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h" 21*d9f75844SAndroid Build Coastguard Worker #include "rtc_base/system/no_unique_address.h" 22*d9f75844SAndroid Build Coastguard Worker #include "system_wrappers/include/clock.h" 23*d9f75844SAndroid Build Coastguard Worker #include "video/video_stream_encoder_interface.h" 24*d9f75844SAndroid Build Coastguard Worker 25*d9f75844SAndroid Build Coastguard Worker namespace webrtc { 26*d9f75844SAndroid Build Coastguard Worker 27*d9f75844SAndroid Build Coastguard Worker class VideoStreamEncoderInterface; 28*d9f75844SAndroid Build Coastguard Worker 29*d9f75844SAndroid Build Coastguard Worker // This class passes feedback (such as key frame requests or loss notifications) 30*d9f75844SAndroid Build Coastguard Worker // from the RtpRtcp module. 31*d9f75844SAndroid Build Coastguard Worker class EncoderRtcpFeedback : public RtcpIntraFrameObserver, 32*d9f75844SAndroid Build Coastguard Worker public RtcpLossNotificationObserver { 33*d9f75844SAndroid Build Coastguard Worker public: 34*d9f75844SAndroid Build Coastguard Worker EncoderRtcpFeedback( 35*d9f75844SAndroid Build Coastguard Worker Clock* clock, 36*d9f75844SAndroid Build Coastguard Worker const std::vector<uint32_t>& ssrcs, 37*d9f75844SAndroid Build Coastguard Worker VideoStreamEncoderInterface* encoder, 38*d9f75844SAndroid Build Coastguard Worker std::function<std::vector<RtpSequenceNumberMap::Info>( 39*d9f75844SAndroid Build Coastguard Worker uint32_t ssrc, 40*d9f75844SAndroid Build Coastguard Worker const std::vector<uint16_t>& seq_nums)> get_packet_infos); 41*d9f75844SAndroid Build Coastguard Worker ~EncoderRtcpFeedback() override = default; 42*d9f75844SAndroid Build Coastguard Worker 43*d9f75844SAndroid Build Coastguard Worker void OnReceivedIntraFrameRequest(uint32_t ssrc) override; 44*d9f75844SAndroid Build Coastguard Worker 45*d9f75844SAndroid Build Coastguard Worker // Implements RtcpLossNotificationObserver. 46*d9f75844SAndroid Build Coastguard Worker void OnReceivedLossNotification(uint32_t ssrc, 47*d9f75844SAndroid Build Coastguard Worker uint16_t seq_num_of_last_decodable, 48*d9f75844SAndroid Build Coastguard Worker uint16_t seq_num_of_last_received, 49*d9f75844SAndroid Build Coastguard Worker bool decodability_flag) override; 50*d9f75844SAndroid Build Coastguard Worker 51*d9f75844SAndroid Build Coastguard Worker private: 52*d9f75844SAndroid Build Coastguard Worker Clock* const clock_; 53*d9f75844SAndroid Build Coastguard Worker const std::vector<uint32_t> ssrcs_; 54*d9f75844SAndroid Build Coastguard Worker const std::function<std::vector<RtpSequenceNumberMap::Info>( 55*d9f75844SAndroid Build Coastguard Worker uint32_t ssrc, 56*d9f75844SAndroid Build Coastguard Worker const std::vector<uint16_t>& seq_nums)> 57*d9f75844SAndroid Build Coastguard Worker get_packet_infos_; 58*d9f75844SAndroid Build Coastguard Worker VideoStreamEncoderInterface* const video_stream_encoder_; 59*d9f75844SAndroid Build Coastguard Worker 60*d9f75844SAndroid Build Coastguard Worker RTC_NO_UNIQUE_ADDRESS SequenceChecker packet_delivery_queue_; 61*d9f75844SAndroid Build Coastguard Worker Timestamp time_last_packet_delivery_queue_ 62*d9f75844SAndroid Build Coastguard Worker RTC_GUARDED_BY(packet_delivery_queue_); 63*d9f75844SAndroid Build Coastguard Worker 64*d9f75844SAndroid Build Coastguard Worker const TimeDelta min_keyframe_send_interval_; 65*d9f75844SAndroid Build Coastguard Worker }; 66*d9f75844SAndroid Build Coastguard Worker 67*d9f75844SAndroid Build Coastguard Worker } // namespace webrtc 68*d9f75844SAndroid Build Coastguard Worker 69*d9f75844SAndroid Build Coastguard Worker #endif // VIDEO_ENCODER_RTCP_FEEDBACK_H_ 70