blob: 51d842616b467ff83da460aa46d1e8d60fbc8f59 (
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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*
* Copyright (c) 2013 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 WEBRTC_VIDEO_RECEIVE_STREAM_H_
#define WEBRTC_VIDEO_RECEIVE_STREAM_H_
#include <map>
#include <string>
#include <vector>
#include "webrtc/common_types.h"
#include "webrtc/config.h"
#include "webrtc/frame_callback.h"
#include "webrtc/stream.h"
#include "webrtc/transport.h"
#include "webrtc/video_renderer.h"
namespace webrtc {
class VideoDecoder;
class VideoReceiveStream : public ReceiveStream {
public:
// TODO(mflodman) Move all these settings to VideoDecoder and move the
// declaration to common_types.h.
struct Decoder {
std::string ToString() const;
// The actual decoder instance.
VideoDecoder* decoder = nullptr;
// Received RTP packets with this payload type will be sent to this decoder
// instance.
int payload_type = 0;
// Name of the decoded payload (such as VP8). Maps back to the depacketizer
// used to unpack incoming packets.
std::string payload_name;
};
struct Stats {
int network_frame_rate = 0;
int decode_frame_rate = 0;
int render_frame_rate = 0;
// Decoder stats.
std::string decoder_implementation_name = "unknown";
FrameCounts frame_counts;
int decode_ms = 0;
int max_decode_ms = 0;
int current_delay_ms = 0;
int target_delay_ms = 0;
int jitter_buffer_ms = 0;
int min_playout_delay_ms = 0;
int render_delay_ms = 10;
int current_payload_type = -1;
int total_bitrate_bps = 0;
int discarded_packets = 0;
uint32_t ssrc = 0;
std::string c_name;
StreamDataCounters rtp_stats;
RtcpPacketTypeCounter rtcp_packet_type_counts;
RtcpStatistics rtcp_stats;
};
struct Config {
Config() = delete;
explicit Config(Transport* rtcp_send_transport)
: rtcp_send_transport(rtcp_send_transport) {}
std::string ToString() const;
// Decoders for every payload that we can receive.
std::vector<Decoder> decoders;
// Receive-stream specific RTP settings.
struct Rtp {
std::string ToString() const;
// Synchronization source (stream identifier) to be received.
uint32_t remote_ssrc = 0;
// Sender SSRC used for sending RTCP (such as receiver reports).
uint32_t local_ssrc = 0;
// See RtcpMode for description.
RtcpMode rtcp_mode = RtcpMode::kCompound;
// Extended RTCP settings.
struct RtcpXr {
// True if RTCP Receiver Reference Time Report Block extension
// (RFC 3611) should be enabled.
bool receiver_reference_time_report = false;
} rtcp_xr;
// See draft-alvestrand-rmcat-remb for information.
bool remb = false;
// See draft-holmer-rmcat-transport-wide-cc-extensions for details.
bool transport_cc = false;
// See NackConfig for description.
NackConfig nack;
// See FecConfig for description.
FecConfig fec;
// RTX settings for incoming video payloads that may be received. RTX is
// disabled if there's no config present.
struct Rtx {
// SSRCs to use for the RTX streams.
uint32_t ssrc = 0;
// Payload type to use for the RTX stream.
int payload_type = 0;
};
// Map from video RTP payload type -> RTX config.
typedef std::map<int, Rtx> RtxMap;
RtxMap rtx;
// If set to true, the RTX payload type mapping supplied in |rtx| will be
// used when restoring RTX packets. Without it, RTX packets will always be
// restored to the last non-RTX packet payload type received.
bool use_rtx_payload_mapping_on_restore = false;
// RTP header extensions used for the received stream.
std::vector<RtpExtension> extensions;
} rtp;
// Transport for outgoing packets (RTCP).
Transport* rtcp_send_transport = nullptr;
// VideoRenderer will be called for each decoded frame. 'nullptr' disables
// rendering of this stream.
VideoRenderer* renderer = nullptr;
// Expected delay needed by the renderer, i.e. the frame will be delivered
// this many milliseconds, if possible, earlier than the ideal render time.
// Only valid if 'renderer' is set.
int render_delay_ms = 10;
// Identifier for an A/V synchronization group. Empty string to disable.
// TODO(pbos): Synchronize streams in a sync group, not just video streams
// to one of the audio streams.
std::string sync_group;
// Called for each incoming video frame, i.e. in encoded state. E.g. used
// when
// saving the stream to a file. 'nullptr' disables the callback.
EncodedFrameObserver* pre_decode_callback = nullptr;
// Called for each decoded frame. E.g. used when adding effects to the
// decoded
// stream. 'nullptr' disables the callback.
I420FrameCallback* pre_render_callback = nullptr;
// Target delay in milliseconds. A positive value indicates this stream is
// used for streaming instead of a real-time call.
int target_delay_ms = 0;
};
// TODO(pbos): Add info on currently-received codec to Stats.
virtual Stats GetStats() const = 0;
};
} // namespace webrtc
#endif // WEBRTC_VIDEO_RECEIVE_STREAM_H_
|
