7b3eca9940
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}
57 lines
2.2 KiB
Objective-C
57 lines
2.2 KiB
Objective-C
/*
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* Copyright 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#import <Foundation/Foundation.h>
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#import <WebRTC/RTCMacros.h>
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NS_ASSUME_NONNULL_BEGIN
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/** Constraint keys for media sources. */
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RTC_EXTERN NSString * const kRTCMediaConstraintsMinAspectRatio;
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RTC_EXTERN NSString * const kRTCMediaConstraintsMaxAspectRatio;
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RTC_EXTERN NSString * const kRTCMediaConstraintsMaxWidth;
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RTC_EXTERN NSString * const kRTCMediaConstraintsMinWidth;
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RTC_EXTERN NSString * const kRTCMediaConstraintsMaxHeight;
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RTC_EXTERN NSString * const kRTCMediaConstraintsMinHeight;
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RTC_EXTERN NSString * const kRTCMediaConstraintsMaxFrameRate;
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RTC_EXTERN NSString * const kRTCMediaConstraintsMinFrameRate;
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RTC_EXTERN NSString * const kRTCMediaConstraintsLevelControl;
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/** The value for this key should be a base64 encoded string containing
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* the data from the serialized configuration proto.
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*/
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RTC_EXTERN NSString * const kRTCMediaConstraintsAudioNetworkAdaptorConfig;
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/** Constraint keys for generating offers and answers. */
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RTC_EXTERN NSString * const kRTCMediaConstraintsIceRestart;
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RTC_EXTERN NSString * const kRTCMediaConstraintsOfferToReceiveAudio;
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RTC_EXTERN NSString * const kRTCMediaConstraintsOfferToReceiveVideo;
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RTC_EXTERN NSString * const kRTCMediaConstraintsVoiceActivityDetection;
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/** Constraint values for Boolean parameters. */
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RTC_EXTERN NSString * const kRTCMediaConstraintsValueTrue;
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RTC_EXTERN NSString * const kRTCMediaConstraintsValueFalse;
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RTC_EXPORT
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@interface RTCMediaConstraints : NSObject
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- (instancetype)init NS_UNAVAILABLE;
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/** Initialize with mandatory and/or optional constraints. */
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- (instancetype)initWithMandatoryConstraints:
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(nullable NSDictionary<NSString *, NSString *> *)mandatory
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optionalConstraints:
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(nullable NSDictionary<NSString *, NSString *> *)optional
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NS_DESIGNATED_INITIALIZER;
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@end
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NS_ASSUME_NONNULL_END
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