| /* |
| * 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 kDataCodecClockrate = 90000; |
| const int kDataMaxBandwidth = 30720; // bps |
| |
| const float kHighSystemCpuThreshold = 0.85f; |
| const float kLowSystemCpuThreshold = 0.65f; |
| const float kProcessCpuThreshold = 0.10f; |
| |
| const char kRtxCodecName[] = "rtx"; |
| 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"; |
| |
| const char kCodecParamAssociatedPayloadType[] = "apt"; |
| const char kCodecParamAssociatedCodecName[] = "acn"; |
| |
| const char kOpusCodecName[] = "opus"; |
| const char kIsacCodecName[] = "ISAC"; |
| 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 kCodecParamSctpProtocol[] = "protocol"; |
| const char kCodecParamSctpStreams[] = "streams"; |
| |
| 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 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 kCodecParamPort[] = "x-google-port"; |
| const char kCodecParamMaxMessageSize[] = "x-google-max-message-size"; |
| |
| const int kGoogleRtpDataCodecPlType = 109; |
| const char kGoogleRtpDataCodecName[] = "google-data"; |
| |
| const int kGoogleSctpDataCodecPlType = 108; |
| const char kGoogleSctpDataCodecName[] = "google-sctp-data"; |
| |
| const char kComfortNoiseCodecName[] = "CN"; |
| |
| const char kVp8CodecName[] = "VP8"; |
| const char kVp9CodecName[] = "VP9"; |
| const char kH264CodecName[] = "H264"; |
| |
| // 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 kH264ProfileLevelConstrainedBaseline[] = "42e01f"; |
| |
| const int kDefaultVideoMaxFramerate = 60; |
| |
| const size_t kConferenceMaxNumSpatialLayers = 3; |
| const size_t kConferenceMaxNumTemporalLayers = 3; |
| const size_t kConferenceDefaultNumTemporalLayers = 3; |
| } // namespace cricket |