blob: 8f10442aa1f64499d2ba90676b42293dc23929a1 [file] [log] [blame]
* 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.
#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( Should be eliminated when RtpMediaTransport is
// implemented.
class EncoderRtcpFeedback : public RtcpIntraFrameObserver,
public RtcpLossNotificationObserver,
public MediaTransportKeyFrameRequestCallback {
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;
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