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gerrit.openfyde.cn / webrtc.googlesource.com / src / 07c51e3f79242b7750cc8719d804c65107d2271d / . / webrtc / media / base / constants.h
blob: 7ec1691184ecc7632db073f727ce82f1d7557877 [file] [log] [blame]
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]1/*
kjellander1afca732016-02-07 20:46:45 -0800[diff] [blame]2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]3 *
kjellander1afca732016-02-07 20:46:45 -0800[diff] [blame]4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]9 */
10
kjellandera96e2d72016-02-04 23:52:28 -0800[diff] [blame]11#ifndef WEBRTC_MEDIA_BASE_CONSTANTS_H_
12#define WEBRTC_MEDIA_BASE_CONSTANTS_H_
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]13
14#include <string>
15
16// This file contains constants related to media.
17
18namespace cricket {
19
20extern const int kVideoCodecClockrate;
21extern const int kDataCodecClockrate;
22extern const int kDataMaxBandwidth; // bps
23
24// Default CPU thresholds.
25extern const float kHighSystemCpuThreshold;
26extern const float kLowSystemCpuThreshold;
27extern const float kProcessCpuThreshold;
28
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]29extern const char kRtxCodecName[];
pbos@webrtc.orgb5a22b12014-05-13 11:07:01 +0000[diff] [blame]30extern const char kRedCodecName[];
31extern const char kUlpfecCodecName[];
32
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]33// Codec parameters
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]34extern const char kCodecParamAssociatedPayloadType[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]35
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]36extern const char kOpusCodecName[];
Brave Yao5225dd82015-03-26 07:39:19 +0800[diff] [blame]37extern const char kIsacCodecName[];
38extern const char kL16CodecName[];
39extern const char kG722CodecName[];
40extern const char kIlbcCodecName[];
41extern const char kPcmuCodecName[];
42extern const char kPcmaCodecName[];
43extern const char kCnCodecName[];
44extern const char kDtmfCodecName[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]45
46// Attribute parameters
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]47extern const char kCodecParamPTime[];
48extern const char kCodecParamMaxPTime[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]49// fmtp parameters
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]50extern const char kCodecParamMinPTime[];
51extern const char kCodecParamSPropStereo[];
52extern const char kCodecParamStereo[];
53extern const char kCodecParamUseInbandFec[];
Minyue Li7100dcd2015-03-27 05:05:59 +0100[diff] [blame]54extern const char kCodecParamUseDtx[];
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]55extern const char kCodecParamMaxAverageBitrate[];
buildbot@webrtc.org5d639b32014-09-10 07:57:12 +0000[diff] [blame]56extern const char kCodecParamMaxPlaybackRate[];
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]57extern const char kCodecParamSctpProtocol[];
58extern const char kCodecParamSctpStreams[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]59
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]60extern const char kParamValueTrue[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]61// Parameters are stored as parameter/value pairs. For parameters who do not
62// have a value, |kParamValueEmpty| should be used as value.
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]63extern const char kParamValueEmpty[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]64
65// opus parameters.
66// Default value for maxptime according to
67// http://tools.ietf.org/html/draft-spittka-payload-rtp-opus-03
68extern const int kOpusDefaultMaxPTime;
69extern const int kOpusDefaultPTime;
70extern const int kOpusDefaultMinPTime;
71extern const int kOpusDefaultSPropStereo;
72extern const int kOpusDefaultStereo;
73extern const int kOpusDefaultUseInbandFec;
Minyue Li7100dcd2015-03-27 05:05:59 +0100[diff] [blame]74extern const int kOpusDefaultUseDtx;
buildbot@webrtc.org5d639b32014-09-10 07:57:12 +0000[diff] [blame]75extern const int kOpusDefaultMaxPlaybackRate;
76
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]77// Prefered values in this code base. Note that they may differ from the default
78// values in http://tools.ietf.org/html/draft-spittka-payload-rtp-opus-03
79// Only frames larger or equal to 10 ms are currently supported in this code
80// base.
81extern const int kPreferredMaxPTime;
82extern const int kPreferredMinPTime;
83extern const int kPreferredSPropStereo;
84extern const int kPreferredStereo;
85extern const int kPreferredUseInbandFec;
86
87// rtcp-fb messages according to RFC 4585
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]88extern const char kRtcpFbParamNack[];
henrika@webrtc.orgaebb1ad2014-01-14 10:00:58 +0000[diff] [blame]89extern const char kRtcpFbNackParamPli[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]90// rtcp-fb messages according to
91// http://tools.ietf.org/html/draft-alvestrand-rmcat-remb-00
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]92extern const char kRtcpFbParamRemb[];
stefan43edf0f2015-11-20 18:05:48 -0800[diff] [blame]93// rtcp-fb messages according to
94// https://tools.ietf.org/html/draft-holmer-rmcat-transport-wide-cc-extensions-01
95extern const char kRtcpFbParamTransportCc[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]96// ccm submessages according to RFC 5104
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]97extern const char kRtcpFbParamCcm[];
98extern const char kRtcpFbCcmParamFir[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]99// Google specific parameters
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]100extern const char kCodecParamMaxBitrate[];
101extern const char kCodecParamMinBitrate[];
buildbot@webrtc.orged97bb02014-05-07 11:15:20 +0000[diff] [blame]102extern const char kCodecParamStartBitrate[];
sergeyu@chromium.org32f485b2013-12-05 22:36:21 +0000[diff] [blame]103extern const char kCodecParamMaxQuantization[];
104extern const char kCodecParamPort[];
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]105
106// We put the data codec names here so callers of
107// DataEngine::CreateChannel don't have to import rtpdataengine.h or
108// sctpdataengine.h to get the codec names they want to pass in.
109extern const int kGoogleRtpDataCodecId;
110extern const char kGoogleRtpDataCodecName[];
111
112// TODO(pthatcher): Find an id that won't conflict with anything. On
113// the other hand, it really shouldn't matter since the id won't be
114// used on the wire.
115extern const int kGoogleSctpDataCodecId;
116extern const char kGoogleSctpDataCodecName[];
117
118extern const char kComfortNoiseCodecName[];
119
guoweis@webrtc.orgfdd10572015-03-12 20:50:57 +0000[diff] [blame]120// Header extension for audio levels, as defined in
henrike@webrtc.org79047f92014-03-06 23:46:59 +0000[diff] [blame]121// http://tools.ietf.org/html/draft-ietf-avtext-client-to-mixer-audio-level-03
122extern const int kRtpAudioLevelHeaderExtensionDefaultId;
123extern const char kRtpAudioLevelHeaderExtension[];
124
guoweis@webrtc.orgfdd10572015-03-12 20:50:57 +0000[diff] [blame]125// Header extension for RTP timestamp offset, see RFC 5450 for details:
henrike@webrtc.org79047f92014-03-06 23:46:59 +0000[diff] [blame]126// http://tools.ietf.org/html/rfc5450
127extern const int kRtpTimestampOffsetHeaderExtensionDefaultId;
128extern const char kRtpTimestampOffsetHeaderExtension[];
129
guoweis@webrtc.orgfdd10572015-03-12 20:50:57 +0000[diff] [blame]130// Header extension for absolute send time, see url for details:
henrike@webrtc.orgd43aa9d2014-02-21 23:43:24 +0000[diff] [blame]131// http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
henrike@webrtc.org79047f92014-03-06 23:46:59 +0000[diff] [blame]132extern const int kRtpAbsoluteSenderTimeHeaderExtensionDefaultId;
133extern const char kRtpAbsoluteSenderTimeHeaderExtension[];
henrike@webrtc.orgd43aa9d2014-02-21 23:43:24 +0000[diff] [blame]134
guoweis@webrtc.orgfdd10572015-03-12 20:50:57 +0000[diff] [blame]135// Header extension for coordination of video orientation, see url for details:
136// http://www.etsi.org/deliver/etsi_ts/126100_126199/126114/12.07.00_60/
137// ts_126114v120700p.pdf
138extern const int kRtpVideoRotationHeaderExtensionDefaultId;
139extern const char kRtpVideoRotationHeaderExtension[];
140// We don't support 6 bit CVO. Added here for testing purpose.
141extern const char kRtpVideoRotation6BitsHeaderExtensionForTesting[];
142
stefanc1aeaf02015-10-15 07:26:07 -0700[diff] [blame]143// Header extension for transport sequence number, see url for details:
144// http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions
145extern const int kRtpTransportSequenceNumberHeaderExtensionDefaultId;
146extern const char kRtpTransportSequenceNumberHeaderExtension[];
147
Shao Changbine62202f2015-04-21 20:24:50 +0800[diff] [blame]148extern const char kVp8CodecName[];
149extern const char kVp9CodecName[];
Zeke Chin71f6f442015-06-29 14:34:58 -0700[diff] [blame]150extern const char kH264CodecName[];
Shao Changbine62202f2015-04-21 20:24:50 +0800[diff] [blame]151
152extern const int kDefaultVp8PlType;
153extern const int kDefaultVp9PlType;
Zeke Chin71f6f442015-06-29 14:34:58 -0700[diff] [blame]154extern const int kDefaultH264PlType;
Shao Changbine62202f2015-04-21 20:24:50 +0800[diff] [blame]155extern const int kDefaultRedPlType;
156extern const int kDefaultUlpfecType;
157extern const int kDefaultRtxVp8PlType;
Stefan Holmer10880012016-02-03 13:29:59 +0100[diff] [blame]158extern const int kDefaultRtxVp9PlType;
159extern const int kDefaultRtxRedPlType;
Shao Changbine62202f2015-04-21 20:24:50 +0800[diff] [blame]160
161extern const int kDefaultVideoMaxWidth;
162extern const int kDefaultVideoMaxHeight;
163extern const int kDefaultVideoMaxFramerate;
henrike@webrtc.org28e20752013-07-10 00:45:36 +0000[diff] [blame]164} // namespace cricket
165
kjellandera96e2d72016-02-04 23:52:28 -0800[diff] [blame]166#endif // WEBRTC_MEDIA_BASE_CONSTANTS_H_