| /* |
| * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| #ifndef VIDEO_ENCODER_RTCP_FEEDBACK_H_ |
| #define VIDEO_ENCODER_RTCP_FEEDBACK_H_ |
| |
| #include <vector> |
| |
| #include "api/media_transport_interface.h" |
| #include "api/video/video_stream_encoder_interface.h" |
| #include "call/rtp_video_sender_interface.h" |
| #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h" |
| #include "rtc_base/critical_section.h" |
| #include "system_wrappers/include/clock.h" |
| |
| namespace webrtc { |
| |
| class VideoStreamEncoderInterface; |
| |
| // This class passes feedback (such as key frame requests or loss notifications) |
| // from either Mediatransport or the RtpRtcp module. |
| // TODO(bugs.webrtc.org/9719): Should be eliminated when RtpMediaTransport is |
| // implemented. |
| class EncoderRtcpFeedback : public RtcpIntraFrameObserver, |
| public RtcpLossNotificationObserver, |
| public MediaTransportKeyFrameRequestCallback { |
| public: |
| EncoderRtcpFeedback(Clock* clock, |
| const std::vector<uint32_t>& ssrcs, |
| VideoStreamEncoderInterface* encoder); |
| ~EncoderRtcpFeedback() override = default; |
| |
| void SetRtpVideoSender(const RtpVideoSenderInterface* rtp_video_sender); |
| |
| void OnReceivedIntraFrameRequest(uint32_t ssrc) override; |
| |
| // Implements MediaTransportKeyFrameRequestCallback |
| void OnKeyFrameRequested(uint64_t channel_id) override; |
| |
| // Implements RtcpLossNotificationObserver. |
| void OnReceivedLossNotification(uint32_t ssrc, |
| uint16_t seq_num_of_last_decodable, |
| uint16_t seq_num_of_last_received, |
| bool decodability_flag) override; |
| |
| private: |
| bool HasSsrc(uint32_t ssrc); |
| |
| Clock* const clock_; |
| const std::vector<uint32_t> ssrcs_; |
| const RtpVideoSenderInterface* rtp_video_sender_; |
| VideoStreamEncoderInterface* const video_stream_encoder_; |
| |
| rtc::CriticalSection crit_; |
| int64_t time_last_intra_request_ms_ RTC_GUARDED_BY(crit_); |
| |
| const int min_keyframe_send_interval_ms_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // VIDEO_ENCODER_RTCP_FEEDBACK_H_ |