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Add media constraint-key constants for generating offers and answers

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Similar to the existing constants for the media constraint-keys intended
for media sources, add the constants for the standard keys to generate
offers and answers.

This patch also adds a few comments to RTCMediaConstraints.h, to give
a better clue on the intended usage scope of declared media-constraint
keys and values.

BUG=webrtc:7722

Review-Url: https://codereview.webrtc.org/2908013002
Cr-Commit-Position: refs/heads/master@{#18362}
This commit is contained in:
VladimirTechMan
2017-05-31 18:25:48 -07:00
committed by Commit Bot
parent dacac34cfb
commit 7b3eca9940
2 changed files with 17 additions and 0 deletions
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9
webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCMediaConstraints.mm
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@ -35,6 +35,15 @@ NSString * const kRTCMediaConstraintsLevelControl =
NSString * const kRTCMediaConstraintsAudioNetworkAdaptorConfig =
@(webrtc::MediaConstraintsInterface::kAudioNetworkAdaptorConfig);
NSString * const kRTCMediaConstraintsIceRestart =
@(webrtc::MediaConstraintsInterface::kIceRestart);
NSString * const kRTCMediaConstraintsOfferToReceiveAudio =
@(webrtc::MediaConstraintsInterface::kOfferToReceiveAudio);
NSString * const kRTCMediaConstraintsOfferToReceiveVideo =
@(webrtc::MediaConstraintsInterface::kOfferToReceiveVideo);
NSString * const kRTCMediaConstraintsVoiceActivityDetection =
@(webrtc::MediaConstraintsInterface::kVoiceActivityDetection);
NSString * const kRTCMediaConstraintsValueTrue =
@(webrtc::MediaConstraintsInterface::kValueTrue);
NSString * const kRTCMediaConstraintsValueFalse =