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91 lines
3.6 KiB
91 lines
3.6 KiB
7 months ago
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/*
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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 "RTCMediaConstraints+Private.h"
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#import "helpers/NSString+StdString.h"
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#include <memory>
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NSString *const kRTCMediaConstraintsAudioNetworkAdaptorConfig =
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@(webrtc::MediaConstraints::kAudioNetworkAdaptorConfig);
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NSString *const kRTCMediaConstraintsIceRestart = @(webrtc::MediaConstraints::kIceRestart);
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NSString *const kRTCMediaConstraintsOfferToReceiveAudio =
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@(webrtc::MediaConstraints::kOfferToReceiveAudio);
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NSString *const kRTCMediaConstraintsOfferToReceiveVideo =
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@(webrtc::MediaConstraints::kOfferToReceiveVideo);
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NSString *const kRTCMediaConstraintsVoiceActivityDetection =
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@(webrtc::MediaConstraints::kVoiceActivityDetection);
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NSString *const kRTCMediaConstraintsValueTrue = @(webrtc::MediaConstraints::kValueTrue);
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NSString *const kRTCMediaConstraintsValueFalse = @(webrtc::MediaConstraints::kValueFalse);
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@implementation RTC_OBJC_TYPE (RTCMediaConstraints) {
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NSDictionary<NSString *, NSString *> *_mandatory;
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NSDictionary<NSString *, NSString *> *_optional;
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}
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- (instancetype)initWithMandatoryConstraints:
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(NSDictionary<NSString *, NSString *> *)mandatory
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optionalConstraints:
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(NSDictionary<NSString *, NSString *> *)optional {
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if (self = [super init]) {
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_mandatory = [[NSDictionary alloc] initWithDictionary:mandatory
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copyItems:YES];
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_optional = [[NSDictionary alloc] initWithDictionary:optional
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copyItems:YES];
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}
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return self;
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}
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- (NSString *)description {
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return [NSString
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stringWithFormat:@"RTC_OBJC_TYPE(RTCMediaConstraints):\n%@\n%@", _mandatory, _optional];
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}
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#pragma mark - Private
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- (std::unique_ptr<webrtc::MediaConstraints>)nativeConstraints {
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webrtc::MediaConstraints::Constraints mandatory =
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[[self class] nativeConstraintsForConstraints:_mandatory];
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webrtc::MediaConstraints::Constraints optional =
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[[self class] nativeConstraintsForConstraints:_optional];
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webrtc::MediaConstraints *nativeConstraints =
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new webrtc::MediaConstraints(mandatory, optional);
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return std::unique_ptr<webrtc::MediaConstraints>(nativeConstraints);
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}
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+ (webrtc::MediaConstraints::Constraints)nativeConstraintsForConstraints:
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(NSDictionary<NSString *, NSString *> *)constraints {
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webrtc::MediaConstraints::Constraints nativeConstraints;
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for (NSString *key in constraints) {
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NSAssert([key isKindOfClass:[NSString class]],
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@"%@ is not an NSString.", key);
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NSString *value = [constraints objectForKey:key];
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NSAssert([value isKindOfClass:[NSString class]],
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@"%@ is not an NSString.", value);
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if ([kRTCMediaConstraintsAudioNetworkAdaptorConfig isEqualToString:key]) {
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// This value is base64 encoded.
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NSData *charData = [[NSData alloc] initWithBase64EncodedString:value options:0];
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std::string configValue =
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std::string(reinterpret_cast<const char *>(charData.bytes), charData.length);
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nativeConstraints.push_back(webrtc::MediaConstraints::Constraint(key.stdString, configValue));
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} else {
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nativeConstraints.push_back(
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webrtc::MediaConstraints::Constraint(key.stdString, value.stdString));
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}
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}
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return nativeConstraints;
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}
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@end
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