59ee91b68a
BUG=NONE Review-Url: https://codereview.webrtc.org/2855023003 Cr-Commit-Position: refs/heads/master@{#18443}
49 lines
1.8 KiB
Objective-C
49 lines
1.8 KiB
Objective-C
/*
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* Copyright 2016 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 <AVFoundation/AVFoundation.h>
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#import <Foundation/Foundation.h>
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#import "WebRTC/RTCMacros.h"
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NS_ASSUME_NONNULL_BEGIN
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extern const int kRTCAudioSessionPreferredNumberOfChannels;
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extern const double kRTCAudioSessionHighPerformanceSampleRate;
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extern const double kRTCAudioSessionLowComplexitySampleRate;
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extern const double kRTCAudioSessionHighPerformanceIOBufferDuration;
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extern const double kRTCAudioSessionLowComplexityIOBufferDuration;
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// Struct to hold configuration values.
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RTC_EXPORT
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@interface RTCAudioSessionConfiguration : NSObject
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@property(nonatomic, strong) NSString *category;
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@property(nonatomic, assign) AVAudioSessionCategoryOptions categoryOptions;
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@property(nonatomic, strong) NSString *mode;
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@property(nonatomic, assign) double sampleRate;
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@property(nonatomic, assign) NSTimeInterval ioBufferDuration;
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@property(nonatomic, assign) NSInteger inputNumberOfChannels;
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@property(nonatomic, assign) NSInteger outputNumberOfChannels;
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/** Initializes configuration to defaults. */
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- (instancetype)init NS_DESIGNATED_INITIALIZER;
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/** Returns the current configuration of the audio session. */
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+ (instancetype)currentConfiguration;
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/** Returns the configuration that WebRTC needs. */
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+ (instancetype)webRTCConfiguration;
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/** Provide a way to override the default configuration. */
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+ (void)setWebRTCConfiguration:(RTCAudioSessionConfiguration *)configuration;
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@end
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NS_ASSUME_NONNULL_END
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