diff options
Diffstat (limited to 'third_party/libwebrtc/sdk/objc/components/audio/RTCAudioSession+Configuration.mm')
| -rw-r--r-- | third_party/libwebrtc/sdk/objc/components/audio/RTCAudioSession+Configuration.mm | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/components/audio/RTCAudioSession+Configuration.mm b/third_party/libwebrtc/sdk/objc/components/audio/RTCAudioSession+Configuration.mm new file mode 100644 index 0000000000..449f31e9dd --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/components/audio/RTCAudioSession+Configuration.mm @@ -0,0 +1,176 @@ +/* + * Copyright 2016 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 "RTCAudioSession+Private.h" +#import "RTCAudioSessionConfiguration.h" + +#import "base/RTCLogging.h" + +@implementation RTC_OBJC_TYPE (RTCAudioSession) +(Configuration) + + - (BOOL)setConfiguration : (RTC_OBJC_TYPE(RTCAudioSessionConfiguration) *)configuration error + : (NSError **)outError { + return [self setConfiguration:configuration + active:NO + shouldSetActive:NO + error:outError]; +} + +- (BOOL)setConfiguration:(RTC_OBJC_TYPE(RTCAudioSessionConfiguration) *)configuration + active:(BOOL)active + error:(NSError **)outError { + return [self setConfiguration:configuration + active:active + shouldSetActive:YES + error:outError]; +} + +#pragma mark - Private + +- (BOOL)setConfiguration:(RTC_OBJC_TYPE(RTCAudioSessionConfiguration) *)configuration + active:(BOOL)active + shouldSetActive:(BOOL)shouldSetActive + error:(NSError **)outError { + NSParameterAssert(configuration); + if (outError) { + *outError = nil; + } + + // Provide an error even if there isn't one so we can log it. We will not + // return immediately on error in this function and instead try to set + // everything we can. + NSError *error = nil; + + if (self.category != configuration.category || + self.categoryOptions != configuration.categoryOptions) { + NSError *categoryError = nil; + if (![self setCategory:configuration.category + withOptions:configuration.categoryOptions + error:&categoryError]) { + RTCLogError(@"Failed to set category: %@", + categoryError.localizedDescription); + error = categoryError; + } else { + RTCLog(@"Set category to: %@", configuration.category); + } + } + + if (self.mode != configuration.mode) { + NSError *modeError = nil; + if (![self setMode:configuration.mode error:&modeError]) { + RTCLogError(@"Failed to set mode: %@", + modeError.localizedDescription); + error = modeError; + } else { + RTCLog(@"Set mode to: %@", configuration.mode); + } + } + + // Sometimes category options don't stick after setting mode. + if (self.categoryOptions != configuration.categoryOptions) { + NSError *categoryError = nil; + if (![self setCategory:configuration.category + withOptions:configuration.categoryOptions + error:&categoryError]) { + RTCLogError(@"Failed to set category options: %@", + categoryError.localizedDescription); + error = categoryError; + } else { + RTCLog(@"Set category options to: %ld", + (long)configuration.categoryOptions); + } + } + + if (self.preferredSampleRate != configuration.sampleRate) { + NSError *sampleRateError = nil; + if (![self setPreferredSampleRate:configuration.sampleRate + error:&sampleRateError]) { + RTCLogError(@"Failed to set preferred sample rate: %@", + sampleRateError.localizedDescription); + if (!self.ignoresPreferredAttributeConfigurationErrors) { + error = sampleRateError; + } + } else { + RTCLog(@"Set preferred sample rate to: %.2f", + configuration.sampleRate); + } + } + + if (self.preferredIOBufferDuration != configuration.ioBufferDuration) { + NSError *bufferDurationError = nil; + if (![self setPreferredIOBufferDuration:configuration.ioBufferDuration + error:&bufferDurationError]) { + RTCLogError(@"Failed to set preferred IO buffer duration: %@", + bufferDurationError.localizedDescription); + if (!self.ignoresPreferredAttributeConfigurationErrors) { + error = bufferDurationError; + } + } else { + RTCLog(@"Set preferred IO buffer duration to: %f", + configuration.ioBufferDuration); + } + } + + if (shouldSetActive) { + NSError *activeError = nil; + if (![self setActive:active error:&activeError]) { + RTCLogError(@"Failed to setActive to %d: %@", + active, activeError.localizedDescription); + error = activeError; + } + } + + if (self.isActive && + // TODO(tkchin): Figure out which category/mode numChannels is valid for. + [self.mode isEqualToString:AVAudioSessionModeVoiceChat]) { + // Try to set the preferred number of hardware audio channels. These calls + // must be done after setting the audio session’s category and mode and + // activating the session. + NSInteger inputNumberOfChannels = configuration.inputNumberOfChannels; + if (self.inputNumberOfChannels != inputNumberOfChannels) { + NSError *inputChannelsError = nil; + if (![self setPreferredInputNumberOfChannels:inputNumberOfChannels + error:&inputChannelsError]) { + RTCLogError(@"Failed to set preferred input number of channels: %@", + inputChannelsError.localizedDescription); + if (!self.ignoresPreferredAttributeConfigurationErrors) { + error = inputChannelsError; + } + } else { + RTCLog(@"Set input number of channels to: %ld", + (long)inputNumberOfChannels); + } + } + NSInteger outputNumberOfChannels = configuration.outputNumberOfChannels; + if (self.outputNumberOfChannels != outputNumberOfChannels) { + NSError *outputChannelsError = nil; + if (![self setPreferredOutputNumberOfChannels:outputNumberOfChannels + error:&outputChannelsError]) { + RTCLogError(@"Failed to set preferred output number of channels: %@", + outputChannelsError.localizedDescription); + if (!self.ignoresPreferredAttributeConfigurationErrors) { + error = outputChannelsError; + } + } else { + RTCLog(@"Set output number of channels to: %ld", + (long)outputNumberOfChannels); + } + } + } + + if (outError) { + *outError = error; + } + + return error == nil; +} + +@end |