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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 "webrtc/modules/audio_device/ios/objc/RTCAudioSession.h" | |
| 12 | |
| 13 #import "WebRTC/RTCLogging.h" | |
| 14 #import "webrtc/modules/audio_device/ios/objc/RTCAudioSession+Private.h" | |
| 15 #import "webrtc/modules/audio_device/ios/objc/RTCAudioSessionConfiguration.h" | |
| 16 | |
| 17 @implementation RTCAudioSession (Configuration) | |
| 18 | |
| 19 - (BOOL)setConfiguration:(RTCAudioSessionConfiguration *)configuration | |
| 20 error:(NSError **)outError { | |
| 21 return [self setConfiguration:configuration | |
| 22 active:NO | |
| 23 shouldSetActive:NO | |
| 24 error:outError]; | |
| 25 } | |
| 26 | |
| 27 - (BOOL)setConfiguration:(RTCAudioSessionConfiguration *)configuration | |
| 28 active:(BOOL)active | |
| 29 error:(NSError **)outError { | |
| 30 return [self setConfiguration:configuration | |
| 31 active:active | |
| 32 shouldSetActive:YES | |
| 33 error:outError]; | |
| 34 } | |
| 35 | |
| 36 #pragma mark - Private | |
| 37 | |
| 38 - (BOOL)setConfiguration:(RTCAudioSessionConfiguration *)configuration | |
| 39 active:(BOOL)active | |
| 40 shouldSetActive:(BOOL)shouldSetActive | |
| 41 error:(NSError **)outError { | |
| 42 NSParameterAssert(configuration); | |
| 43 if (outError) { | |
| 44 *outError = nil; | |
| 45 } | |
| 46 if (![self checkLock:outError]) { | |
| 47 return NO; | |
| 48 } | |
| 49 | |
| 50 // Provide an error even if there isn't one so we can log it. We will not | |
| 51 // return immediately on error in this function and instead try to set | |
| 52 // everything we can. | |
| 53 NSError *error = nil; | |
| 54 | |
| 55 if (self.category != configuration.category || | |
| 56 self.categoryOptions != configuration.categoryOptions) { | |
| 57 NSError *categoryError = nil; | |
| 58 if (![self setCategory:configuration.category | |
| 59 withOptions:configuration.categoryOptions | |
| 60 error:&categoryError]) { | |
| 61 RTCLogError(@"Failed to set category: %@", | |
| 62 categoryError.localizedDescription); | |
| 63 error = categoryError; | |
| 64 } else { | |
| 65 RTCLog(@"Set category to: %@", configuration.category); | |
| 66 } | |
| 67 } | |
| 68 | |
| 69 if (self.mode != configuration.mode) { | |
| 70 NSError *modeError = nil; | |
| 71 if (![self setMode:configuration.mode error:&modeError]) { | |
| 72 RTCLogError(@"Failed to set mode: %@", | |
| 73 modeError.localizedDescription); | |
| 74 error = modeError; | |
| 75 } else { | |
| 76 RTCLog(@"Set mode to: %@", configuration.mode); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 // Sometimes category options don't stick after setting mode. | |
| 81 if (self.categoryOptions != configuration.categoryOptions) { | |
| 82 NSError *categoryError = nil; | |
| 83 if (![self setCategory:configuration.category | |
| 84 withOptions:configuration.categoryOptions | |
| 85 error:&categoryError]) { | |
| 86 RTCLogError(@"Failed to set category options: %@", | |
| 87 categoryError.localizedDescription); | |
| 88 error = categoryError; | |
| 89 } else { | |
| 90 RTCLog(@"Set category options to: %ld", | |
| 91 (long)configuration.categoryOptions); | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 if (self.preferredSampleRate != configuration.sampleRate) { | |
| 96 NSError *sampleRateError = nil; | |
| 97 if (![self setPreferredSampleRate:configuration.sampleRate | |
| 98 error:&sampleRateError]) { | |
| 99 RTCLogError(@"Failed to set preferred sample rate: %@", | |
| 100 sampleRateError.localizedDescription); | |
| 101 error = sampleRateError; | |
| 102 } else { | |
| 103 RTCLog(@"Set preferred sample rate to: %.2f", | |
| 104 configuration.sampleRate); | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 if (self.preferredIOBufferDuration != configuration.ioBufferDuration) { | |
| 109 NSError *bufferDurationError = nil; | |
| 110 if (![self setPreferredIOBufferDuration:configuration.ioBufferDuration | |
| 111 error:&bufferDurationError]) { | |
| 112 RTCLogError(@"Failed to set preferred IO buffer duration: %@", | |
| 113 bufferDurationError.localizedDescription); | |
| 114 error = bufferDurationError; | |
| 115 } else { | |
| 116 RTCLog(@"Set preferred IO buffer duration to: %f", | |
| 117 configuration.ioBufferDuration); | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 if (shouldSetActive) { | |
| 122 NSError *activeError = nil; | |
| 123 if (![self setActive:active error:&activeError]) { | |
| 124 RTCLogError(@"Failed to setActive to %d: %@", | |
| 125 active, activeError.localizedDescription); | |
| 126 error = activeError; | |
| 127 } | |
| 128 } | |
| 129 | |
| 130 if (self.isActive && | |
| 131 // TODO(tkchin): Figure out which category/mode numChannels is valid for. | |
| 132 [self.mode isEqualToString:AVAudioSessionModeVoiceChat]) { | |
| 133 // Try to set the preferred number of hardware audio channels. These calls | |
| 134 // must be done after setting the audio session’s category and mode and | |
| 135 // activating the session. | |
| 136 NSInteger inputNumberOfChannels = configuration.inputNumberOfChannels; | |
| 137 if (self.inputNumberOfChannels != inputNumberOfChannels) { | |
| 138 NSError *inputChannelsError = nil; | |
| 139 if (![self setPreferredInputNumberOfChannels:inputNumberOfChannels | |
| 140 error:&inputChannelsError]) { | |
| 141 RTCLogError(@"Failed to set preferred input number of channels: %@", | |
| 142 inputChannelsError.localizedDescription); | |
| 143 error = inputChannelsError; | |
| 144 } else { | |
| 145 RTCLog(@"Set input number of channels to: %ld", | |
| 146 (long)inputNumberOfChannels); | |
| 147 } | |
| 148 } | |
| 149 NSInteger outputNumberOfChannels = configuration.outputNumberOfChannels; | |
| 150 if (self.outputNumberOfChannels != outputNumberOfChannels) { | |
| 151 NSError *outputChannelsError = nil; | |
| 152 if (![self setPreferredOutputNumberOfChannels:outputNumberOfChannels | |
| 153 error:&outputChannelsError]) { | |
| 154 RTCLogError(@"Failed to set preferred output number of channels: %@", | |
| 155 outputChannelsError.localizedDescription); | |
| 156 error = outputChannelsError; | |
| 157 } else { | |
| 158 RTCLog(@"Set output number of channels to: %ld", | |
| 159 (long)outputNumberOfChannels); | |
| 160 } | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 if (outError) { | |
| 165 *outError = error; | |
| 166 } | |
| 167 | |
| 168 return error == nil; | |
| 169 } | |
| 170 | |
| 171 @end | |
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Chromium Code Reviews
Issue 2855023003:
Move RTCAudioSession* files modules/audio_device/ -> sdk/Framework. (Closed)
