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| 1 /* | |
| 2 * Copyright 2016 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #import "ARDSettingsModel+Private.h" | |
| 12 #import "ARDSettingsStore.h" | |
| 13 #import "WebRTC/RTCMediaConstraints.h" | |
| 14 | |
| 15 NS_ASSUME_NONNULL_BEGIN | |
| 16 static NSArray<NSString *> *videoResolutionsStaticValues() { | |
| 17 return @[ @"640x480", @"960x540", @"1280x720" ]; | |
| 18 } | |
| 19 | |
| 20 static NSArray<NSString *> *videoCodecsStaticValues() { | |
| 21 return @[ @"H264", @"VP8", @"VP9" ]; | |
| 22 } | |
| 23 | |
| 24 @interface ARDSettingsModel () { | |
| 25 ARDSettingsStore *_settingsStore; | |
| 26 } | |
| 27 @end | |
| 28 | |
| 29 @implementation ARDSettingsModel | |
| 30 | |
| 31 - (NSArray<NSString *> *)availableVideoResoultionsMediaConstraints { | |
| 32 return videoResolutionsStaticValues(); | |
| 33 } | |
| 34 | |
| 35 - (NSString *)currentVideoResoultionConstraintFromStore { | |
| 36 NSString *constraint = [[self settingsStore] videoResolutionConstraints]; | |
| 37 if (!constraint) { | |
| 38 constraint = [self defaultVideoResolutionMediaConstraint]; | |
| 39 // To ensure consistency add the default to the store. | |
| 40 [[self settingsStore] setVideoResolutionConstraints:constraint]; | |
| 41 } | |
| 42 return constraint; | |
| 43 } | |
| 44 | |
| 45 - (BOOL)storeVideoResoultionConstraint:(NSString *)constraint { | |
| 46 if (![[self availableVideoResoultionsMediaConstraints] containsObject:constrai
nt]) { | |
| 47 return NO; | |
| 48 } | |
| 49 [[self settingsStore] setVideoResolutionConstraints:constraint]; | |
| 50 return YES; | |
| 51 } | |
| 52 | |
| 53 - (NSArray<NSString *> *)availableVideoCodecs { | |
| 54 return videoCodecsStaticValues(); | |
| 55 } | |
| 56 | |
| 57 - (NSString *)currentVideoCodecSettingFromStore { | |
| 58 NSString *videoCodec = [[self settingsStore] videoCodec]; | |
| 59 if (!videoCodec) { | |
| 60 videoCodec = [self defaultVideoCodecSetting]; | |
| 61 [[self settingsStore] setVideoCodec:videoCodec]; | |
| 62 } | |
| 63 return videoCodec; | |
| 64 } | |
| 65 | |
| 66 - (BOOL)storeVideoCodecSetting:(NSString *)videoCodec { | |
| 67 if (![[self availableVideoCodecs] containsObject:videoCodec]) { | |
| 68 return NO; | |
| 69 } | |
| 70 [[self settingsStore] setVideoCodec:videoCodec]; | |
| 71 return YES; | |
| 72 } | |
| 73 | |
| 74 - (nullable NSNumber *)currentMaxBitrateSettingFromStore { | |
| 75 return [[self settingsStore] maxBitrate]; | |
| 76 } | |
| 77 | |
| 78 - (void)storeMaxBitrateSetting:(nullable NSNumber *)bitrate { | |
| 79 [[self settingsStore] setMaxBitrate:bitrate]; | |
| 80 } | |
| 81 | |
| 82 #pragma mark - Testable | |
| 83 | |
| 84 - (ARDSettingsStore *)settingsStore { | |
| 85 if (!_settingsStore) { | |
| 86 _settingsStore = [[ARDSettingsStore alloc] init]; | |
| 87 } | |
| 88 return _settingsStore; | |
| 89 } | |
| 90 | |
| 91 - (nullable NSString *)currentVideoResolutionWidthFromStore { | |
| 92 NSString *mediaConstraintFromStore = [self currentVideoResoultionConstraintFro
mStore]; | |
| 93 | |
| 94 return [self videoResolutionComponentAtIndex:0 inConstraintsString:mediaConstr
aintFromStore]; | |
| 95 } | |
| 96 | |
| 97 - (nullable NSString *)currentVideoResolutionHeightFromStore { | |
| 98 NSString *mediaConstraintFromStore = [self currentVideoResoultionConstraintFro
mStore]; | |
| 99 return [self videoResolutionComponentAtIndex:1 inConstraintsString:mediaConstr
aintFromStore]; | |
| 100 } | |
| 101 | |
| 102 #pragma mark - | |
| 103 | |
| 104 - (NSString *)defaultVideoResolutionMediaConstraint { | |
| 105 return videoResolutionsStaticValues()[0]; | |
| 106 } | |
| 107 | |
| 108 - (nullable NSString *)videoResolutionComponentAtIndex:(int)index | |
| 109 inConstraintsString:(NSString *)constraint { | |
| 110 if (index != 0 && index != 1) { | |
| 111 return nil; | |
| 112 } | |
| 113 NSArray *components = [constraint componentsSeparatedByString:@"x"]; | |
| 114 if (components.count != 2) { | |
| 115 return nil; | |
| 116 } | |
| 117 return components[index]; | |
| 118 } | |
| 119 | |
| 120 - (NSString *)defaultVideoCodecSetting { | |
| 121 return videoCodecsStaticValues()[0]; | |
| 122 } | |
| 123 | |
| 124 #pragma mark - Conversion to RTCMediaConstraints | |
| 125 | |
| 126 - (nullable NSDictionary *)currentMediaConstraintFromStoreAsRTCDictionary { | |
| 127 NSDictionary *mediaConstraintsDictionary = nil; | |
| 128 | |
| 129 NSString *widthConstraint = [self currentVideoResolutionWidthFromStore]; | |
| 130 NSString *heightConstraint = [self currentVideoResolutionHeightFromStore]; | |
| 131 if (widthConstraint && heightConstraint) { | |
| 132 mediaConstraintsDictionary = @{ | |
| 133 kRTCMediaConstraintsMinWidth : widthConstraint, | |
| 134 kRTCMediaConstraintsMinHeight : heightConstraint | |
| 135 }; | |
| 136 } | |
| 137 return mediaConstraintsDictionary; | |
| 138 } | |
| 139 | |
| 140 @end | |
| 141 NS_ASSUME_NONNULL_END | |
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Chromium Code Reviews
Issue 2770113004:
Pass settings model to ARDAppClient instead of individual settings. (Closed)
