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platform-external-webrtc/media/base/media_constants.h
Taylor Brandstetter ee8c246be7 Reland "sdp: parse and serialize b=TIAS" 
This reverts commit 20b701f3d79c499b0981f03fbf3a9b0fe531ac5d.

Reason for reland: Reverting did not affect the test regression.

Original change's description:
> Revert "sdp: parse and serialize b=TIAS"
>
> This reverts commit c6801d4522ab94f965e258e68259fde312023654.
>
> Reason for revert: Speculatively reverting since it possibly breaks downstream performance test.
>
> One issue I noticed is that the correct SDP won't be produced if set_bandwidth_type hasn't been called. Probably should default to b=AS in that case.
>
> Original change's description:
> > sdp: parse and serialize b=TIAS
> >
> > BUG=webrtc:5788
> >
> > Change-Id: I063c756004e4c224fffa36d2800603c7b7e50dce
> > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/179223
> > Commit-Queue: Philipp Hancke <philipp.hancke@googlemail.com>
> > Reviewed-by: Taylor <deadbeef@webrtc.org>
> > Cr-Commit-Position: refs/heads/master@{#31729}
>
> TBR=deadbeef@webrtc.org,hta@webrtc.org,minyue@webrtc.org,philipp.hancke@googlemail.com,jleconte@webrtc.org
>
> # Not skipping CQ checks because original CL landed > 1 day ago.
>
> Bug: webrtc:5788
> Change-Id: I2a3f676b4359834e511dffd5adedc9388e0ea0f8
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/179620
> Reviewed-by: Taylor <deadbeef@webrtc.org>
> Commit-Queue: Taylor <deadbeef@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#31762}

TBR=nisse@webrtc.org

Bug: webrtc:5788
Change-Id: I5c0ef29d275bb2264d9b706b085f7933d59e2801
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/179760
Commit-Queue: Taylor <deadbeef@webrtc.org>
Reviewed-by: Taylor <deadbeef@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31816}
2020-07-30 21:16:08 +00:00

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/*
* 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 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[];
extern const char kRedCodecName[];
extern const char kUlpfecCodecName[];
extern const char kFlexfecCodecName[];
extern const char kMultiplexCodecName[];
extern const char kFlexfecFmtpRepairWindow[];
// Codec parameters
extern const char kCodecParamAssociatedPayloadType[];
extern const char kCodecParamAssociatedCodecName[];
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 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;
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 kCodecParamPort[];
extern const char kCodecParamMaxMessageSize[];
// We put the data codec names here so callers of DataEngine::CreateChannel
// don't have to import rtpdataengine.h to get the codec names they want to
// pass in.
extern const int kGoogleRtpDataCodecPlType;
extern const char kGoogleRtpDataCodecName[];
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[];
RTC_EXPORT extern const char kHEVCCodecName[];
// 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 kH264ProfileLevelConstrainedBaseline[];
extern const char kH264ProfileLevelConstrainedHigh[];
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_
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