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Diffstat (limited to 'third_party/libwebrtc/media/base/media_constants.h')
| -rw-r--r-- | third_party/libwebrtc/media/base/media_constants.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/third_party/libwebrtc/media/base/media_constants.h b/third_party/libwebrtc/media/base/media_constants.h new file mode 100644 index 0000000000..f843d50ce5 --- /dev/null +++ b/third_party/libwebrtc/media/base/media_constants.h @@ -0,0 +1,149 @@ +/* + * 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 MEDIA_BASE_MEDIA_CONSTANTS_H_ +#define MEDIA_BASE_MEDIA_CONSTANTS_H_ + +#include <stddef.h> + +#include "rtc_base/system/rtc_export.h" + +// This file contains constants related to media. + +namespace cricket { + +extern const int kVideoCodecClockrate; + +extern const int kVideoMtu; +extern const int kVideoRtpSendBufferSize; +extern const int kVideoRtpRecvBufferSize; + +// Default CPU thresholds. +extern const float kHighSystemCpuThreshold; +extern const float kLowSystemCpuThreshold; +extern const float kProcessCpuThreshold; + +extern const char kRedCodecName[]; +extern const char kUlpfecCodecName[]; +extern const char kFlexfecCodecName[]; +extern const char kMultiplexCodecName[]; + +extern const char kFlexfecFmtpRepairWindow[]; + +extern const char kRtxCodecName[]; +extern const char kCodecParamRtxTime[]; +extern const char kCodecParamAssociatedPayloadType[]; + +extern const char kCodecParamAssociatedCodecName[]; +extern const char kCodecParamNotInNameValueFormat[]; + +extern const char kOpusCodecName[]; +extern const char kIsacCodecName[]; +extern const char kL16CodecName[]; +extern const char kG722CodecName[]; +extern const char kIlbcCodecName[]; +extern const char kPcmuCodecName[]; +extern const char kPcmaCodecName[]; +extern const char kCnCodecName[]; +extern const char kDtmfCodecName[]; + +// Attribute parameters +extern const char kCodecParamPTime[]; +extern const char kCodecParamMaxPTime[]; +// fmtp parameters +extern const char kCodecParamMinPTime[]; +extern const char kCodecParamSPropStereo[]; +extern const char kCodecParamStereo[]; +extern const char kCodecParamUseInbandFec[]; +extern const char kCodecParamUseDtx[]; +extern const char kCodecParamMaxAverageBitrate[]; +extern const char kCodecParamMaxPlaybackRate[]; + +extern const char kParamValueTrue[]; +// Parameters are stored as parameter/value pairs. For parameters who do not +// have a value, `kParamValueEmpty` should be used as value. +extern const char kParamValueEmpty[]; + +// opus parameters. +// Default value for maxptime according to +// http://tools.ietf.org/html/draft-spittka-payload-rtp-opus-03 +extern const int kOpusDefaultMaxPTime; +extern const int kOpusDefaultPTime; +extern const int kOpusDefaultMinPTime; +extern const int kOpusDefaultSPropStereo; +extern const int kOpusDefaultStereo; +extern const int kOpusDefaultUseInbandFec; +extern const int kOpusDefaultUseDtx; +extern const int kOpusDefaultMaxPlaybackRate; + +// Prefered values in this code base. Note that they may differ from the default +// values in http://tools.ietf.org/html/draft-spittka-payload-rtp-opus-03 +// Only frames larger or equal to 10 ms are currently supported in this code +// base. +extern const int kPreferredMaxPTime; +extern const int kPreferredMinPTime; +extern const int kPreferredSPropStereo; +extern const int kPreferredStereo; +extern const int kPreferredUseInbandFec; + +extern const char kPacketizationParamRaw[]; + +// rtcp-fb message in its first experimental stages. Documentation pending. +extern const char kRtcpFbParamLntf[]; +// rtcp-fb messages according to RFC 4585 +extern const char kRtcpFbParamNack[]; +extern const char kRtcpFbNackParamPli[]; +// rtcp-fb messages according to +// http://tools.ietf.org/html/draft-alvestrand-rmcat-remb-00 +extern const char kRtcpFbParamRemb[]; +// rtcp-fb messages according to +// https://tools.ietf.org/html/draft-holmer-rmcat-transport-wide-cc-extensions-01 +extern const char kRtcpFbParamTransportCc[]; +// ccm submessages according to RFC 5104 +extern const char kRtcpFbParamCcm[]; +extern const char kRtcpFbCcmParamFir[]; +// Receiver reference time report +// https://tools.ietf.org/html/rfc3611 section 4.4 +extern const char kRtcpFbParamRrtr[]; +// Google specific parameters +extern const char kCodecParamMaxBitrate[]; +extern const char kCodecParamMinBitrate[]; +extern const char kCodecParamStartBitrate[]; +extern const char kCodecParamMaxQuantization[]; + +extern const char kComfortNoiseCodecName[]; + +RTC_EXPORT extern const char kVp8CodecName[]; +RTC_EXPORT extern const char kVp9CodecName[]; +RTC_EXPORT extern const char kAv1CodecName[]; +RTC_EXPORT extern const char kH264CodecName[]; + +// RFC 6184 RTP Payload Format for H.264 video +RTC_EXPORT extern const char kH264FmtpProfileLevelId[]; +RTC_EXPORT extern const char kH264FmtpLevelAsymmetryAllowed[]; +RTC_EXPORT extern const char kH264FmtpPacketizationMode[]; +extern const char kH264FmtpSpropParameterSets[]; +extern const char kH264FmtpSpsPpsIdrInKeyframe[]; +extern const char kH264ProfileLevelConstrainedBaseline[]; +extern const char kH264ProfileLevelConstrainedHigh[]; + +extern const char kVP9ProfileId[]; + +extern const int kDefaultVideoMaxFramerate; + +extern const size_t kConferenceMaxNumSpatialLayers; +extern const size_t kConferenceMaxNumTemporalLayers; +extern const size_t kConferenceDefaultNumTemporalLayers; + +extern const char kApplicationSpecificBandwidth[]; +extern const char kTransportSpecificBandwidth[]; +} // namespace cricket + +#endif // MEDIA_BASE_MEDIA_CONSTANTS_H_ |