blob: 2af0295a5a05e45416abcba9ebfb656e73dc7119 (
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
|
/*
* 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 "media/base/media_constants.h"
namespace cricket {
const int kVideoCodecClockrate = 90000;
const int kVideoMtu = 1200;
const int kVideoRtpSendBufferSize = 262144;
const int kVideoRtpRecvBufferSize = 262144;
const float kHighSystemCpuThreshold = 0.85f;
const float kLowSystemCpuThreshold = 0.65f;
const float kProcessCpuThreshold = 0.10f;
const char kRedCodecName[] = "red";
const char kUlpfecCodecName[] = "ulpfec";
const char kMultiplexCodecName[] = "multiplex";
// TODO(brandtr): Change this to 'flexfec' when we are confident that the
// header format is not changing anymore.
const char kFlexfecCodecName[] = "flexfec-03";
// draft-ietf-payload-flexible-fec-scheme-02.txt
const char kFlexfecFmtpRepairWindow[] = "repair-window";
// RFC 4588 RTP Retransmission Payload Format
const char kRtxCodecName[] = "rtx";
const char kCodecParamRtxTime[] = "rtx-time";
const char kCodecParamAssociatedPayloadType[] = "apt";
const char kCodecParamAssociatedCodecName[] = "acn";
// Parameters that do not follow the key-value convention
// are treated as having the empty string as key.
const char kCodecParamNotInNameValueFormat[] = "";
const char kOpusCodecName[] = "opus";
const char kL16CodecName[] = "L16";
const char kG722CodecName[] = "G722";
const char kIlbcCodecName[] = "ILBC";
const char kPcmuCodecName[] = "PCMU";
const char kPcmaCodecName[] = "PCMA";
const char kCnCodecName[] = "CN";
const char kDtmfCodecName[] = "telephone-event";
// draft-spittka-payload-rtp-opus-03.txt
const char kCodecParamPTime[] = "ptime";
const char kCodecParamMaxPTime[] = "maxptime";
const char kCodecParamMinPTime[] = "minptime";
const char kCodecParamSPropStereo[] = "sprop-stereo";
const char kCodecParamStereo[] = "stereo";
const char kCodecParamUseInbandFec[] = "useinbandfec";
const char kCodecParamUseDtx[] = "usedtx";
const char kCodecParamMaxAverageBitrate[] = "maxaveragebitrate";
const char kCodecParamMaxPlaybackRate[] = "maxplaybackrate";
const char kParamValueTrue[] = "1";
const char kParamValueEmpty[] = "";
const int kOpusDefaultMaxPTime = 120;
const int kOpusDefaultPTime = 20;
const int kOpusDefaultMinPTime = 3;
const int kOpusDefaultSPropStereo = 0;
const int kOpusDefaultStereo = 0;
const int kOpusDefaultUseInbandFec = 0;
const int kOpusDefaultUseDtx = 0;
const int kOpusDefaultMaxPlaybackRate = 48000;
const int kPreferredMaxPTime = 120;
const int kPreferredMinPTime = 10;
const int kPreferredSPropStereo = 0;
const int kPreferredStereo = 0;
const int kPreferredUseInbandFec = 0;
const char kPacketizationParamRaw[] = "raw";
const char kRtcpFbParamLntf[] = "goog-lntf";
const char kRtcpFbParamNack[] = "nack";
const char kRtcpFbNackParamPli[] = "pli";
const char kRtcpFbParamRemb[] = "goog-remb";
const char kRtcpFbParamTransportCc[] = "transport-cc";
const char kRtcpFbParamCcm[] = "ccm";
const char kRtcpFbCcmParamFir[] = "fir";
const char kRtcpFbParamRrtr[] = "rrtr";
const char kCodecParamMaxBitrate[] = "x-google-max-bitrate";
const char kCodecParamMinBitrate[] = "x-google-min-bitrate";
const char kCodecParamStartBitrate[] = "x-google-start-bitrate";
const char kCodecParamMaxQuantization[] = "x-google-max-quantization";
const char kComfortNoiseCodecName[] = "CN";
const char kVp8CodecName[] = "VP8";
const char kVp9CodecName[] = "VP9";
const char kAv1CodecName[] = "AV1";
const char kH264CodecName[] = "H264";
const char kH265CodecName[] = "H265";
// RFC 6184 RTP Payload Format for H.264 video
const char kH264FmtpProfileLevelId[] = "profile-level-id";
const char kH264FmtpLevelAsymmetryAllowed[] = "level-asymmetry-allowed";
const char kH264FmtpPacketizationMode[] = "packetization-mode";
const char kH264FmtpSpropParameterSets[] = "sprop-parameter-sets";
const char kH264FmtpSpsPpsIdrInKeyframe[] = "sps-pps-idr-in-keyframe";
const char kH264ProfileLevelConstrainedBaseline[] = "42e01f";
const char kH264ProfileLevelConstrainedHigh[] = "640c1f";
// RFC 7798 RTP Payload Format for H.265 video
const char kH265FmtpProfileSpace[] = "profile-space";
const char kH265FmtpTierFlag[] = "tier-flag";
const char kH265FmtpProfileId[] = "profile-id";
const char kH265FmtpLevelId[] = "level-id";
const char kH265FmtpProfileCompatibilityIndicator[] =
"profile-compatibility-indicator";
const char kH265FmtpInteropConstraints[] = "interop-constraints";
const char kH265FmtpTxMode[] = "tx-mode";
const char kVP9ProfileId[] = "profile-id";
const int kDefaultVideoMaxFramerate = 60;
// Max encode quantizer for VP8/9 and AV1 encoders assuming libvpx/libaom API
// range [0, 63]
const int kDefaultVideoMaxQpVpx = 56;
// Max encode quantizer for H264/5 assuming the bitstream range [0, 51].
const int kDefaultVideoMaxQpH26x = 51;
const size_t kConferenceMaxNumSpatialLayers = 3;
const size_t kConferenceMaxNumTemporalLayers = 3;
const size_t kConferenceDefaultNumTemporalLayers = 3;
// RFC 3556 and RFC 3890
const char kApplicationSpecificBandwidth[] = "AS";
const char kTransportSpecificBandwidth[] = "TIAS";
} // namespace cricket
|
