Files
platform-external-webrtc/video/encoder_rtcp_feedback.h
Elad Alon b6ef99bb33 Translate loss notifications and pass to encoder
Translate LossNotification RTCP messages (sequence number to
timestamp and additional information), then send the translted
message onwards to the encoder.

Bug: webrtc:10501
Change-Id: If2fd943f75c36cf813a83120318d8eefc8c595d2
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/131950
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27545}
2019-04-10 15:31:53 +00:00

69 lines
2.4 KiB
C++

/*
* 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_