| /* |
| * libjingle |
| * Copyright 2012 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef TALK_MEDIA_BASE_CONSTANTS_H_ |
| #define TALK_MEDIA_BASE_CONSTANTS_H_ |
| |
| #include <string> |
| |
| // This file contains constants related to media. |
| |
| namespace cricket { |
| |
| extern const int kVideoCodecClockrate; |
| extern const int kDataCodecClockrate; |
| extern const int kDataMaxBandwidth; // bps |
| |
| // Default CPU thresholds. |
| extern const float kHighSystemCpuThreshold; |
| extern const float kLowSystemCpuThreshold; |
| extern const float kProcessCpuThreshold; |
| |
| extern const char* kRtxCodecName; |
| |
| // Codec parameters |
| extern const int kWildcardPayloadType; |
| extern const char* kCodecParamAssociatedPayloadType; |
| |
| extern const char* kOpusCodecName; |
| |
| // 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* kCodecParamMaxAverageBitrate; |
| extern const char* kCodecParamSctpProtocol; |
| extern const char* kCodecParamSctpStreams; |
| |
| 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; |
| // 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; |
| |
| // rtcp-fb messages according to RFC 4585 |
| extern const char* kRtcpFbParamNack; |
| // rtcp-fb messages according to |
| // http://tools.ietf.org/html/draft-alvestrand-rmcat-remb-00 |
| extern const char* kRtcpFbParamRemb; |
| // ccm submessages according to RFC 5104 |
| extern const char* kRtcpFbParamCcm; |
| extern const char* kRtcpFbCcmParamFir; |
| // Google specific parameters |
| extern const char* kCodecParamMaxBitrate; |
| extern const char* kCodecParamMinBitrate; |
| extern const char* kCodecParamMaxQuantization; |
| extern const char* kCodecParamPort; |
| |
| // We put the data codec names here so callers of |
| // DataEngine::CreateChannel don't have to import rtpdataengine.h or |
| // sctpdataengine.h to get the codec names they want to pass in. |
| extern const int kGoogleRtpDataCodecId; |
| extern const char kGoogleRtpDataCodecName[]; |
| |
| // TODO(pthatcher): Find an id that won't conflict with anything. On |
| // the other hand, it really shouldn't matter since the id won't be |
| // used on the wire. |
| extern const int kGoogleSctpDataCodecId; |
| extern const char kGoogleSctpDataCodecName[]; |
| |
| extern const char kComfortNoiseCodecName[]; |
| |
| } // namespace cricket |
| |
| #endif // TALK_MEDIA_BASE_CONSTANTS_H_ |