blob: c66a94503ee13b047f7634d0d8e24defd232817d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* 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 <functional>
#include <vector>
#include "api/sequence_checker.h"
#include "api/units/time_delta.h"
#include "api/units/timestamp.h"
#include "call/rtp_video_sender_interface.h"
#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
#include "rtc_base/system/no_unique_address.h"
#include "system_wrappers/include/clock.h"
#include "video/video_stream_encoder_interface.h"
namespace webrtc {
class VideoStreamEncoderInterface;
// This class passes feedback (such as key frame requests or loss notifications)
// from the RtpRtcp module.
class EncoderRtcpFeedback : public RtcpIntraFrameObserver,
public RtcpLossNotificationObserver {
public:
EncoderRtcpFeedback(
Clock* clock,
const std::vector<uint32_t>& ssrcs,
VideoStreamEncoderInterface* encoder,
std::function<std::vector<RtpSequenceNumberMap::Info>(
uint32_t ssrc,
const std::vector<uint16_t>& seq_nums)> get_packet_infos);
~EncoderRtcpFeedback() override = default;
void OnReceivedIntraFrameRequest(uint32_t ssrc) 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:
Clock* const clock_;
const std::vector<uint32_t> ssrcs_;
const std::function<std::vector<RtpSequenceNumberMap::Info>(
uint32_t ssrc,
const std::vector<uint16_t>& seq_nums)>
get_packet_infos_;
VideoStreamEncoderInterface* const video_stream_encoder_;
RTC_NO_UNIQUE_ADDRESS SequenceChecker packet_delivery_queue_;
Timestamp time_last_packet_delivery_queue_
RTC_GUARDED_BY(packet_delivery_queue_);
const TimeDelta min_keyframe_send_interval_;
};
} // namespace webrtc
#endif // VIDEO_ENCODER_RTCP_FEEDBACK_H_
|
