rhubarb-lip-sync/rhubarb/lib/webrtc-8d2248ff/webrtc/examples/objc/AppRTCDemo/RTCMediaConstraints+JSON.m

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2016-06-21 20:13:05 +00:00
/*
* Copyright 2014 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.
*/
#import "RTCMediaConstraints+JSON.h"
static NSString const *kRTCMediaConstraintsMandatoryKey = @"mandatory";
@implementation RTCMediaConstraints (JSON)
+ (RTCMediaConstraints *)constraintsFromJSONDictionary:
(NSDictionary *)dictionary {
NSDictionary *mandatory = dictionary[kRTCMediaConstraintsMandatoryKey];
NSMutableDictionary *mandatoryContraints =
[NSMutableDictionary dictionaryWithCapacity:[mandatory count]];
[mandatory enumerateKeysAndObjectsUsingBlock:^(
id key, id obj, BOOL *stop) {
mandatoryContraints[key] = obj;
}];
// TODO(tkchin): figure out json formats for optional constraints.
RTCMediaConstraints *constraints =
[[RTCMediaConstraints alloc]
initWithMandatoryConstraints:mandatoryContraints
optionalConstraints:nil];
return constraints;
}
@end