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40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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IOSAudioSession.mm: Unreal IOSAudio audio session functionality.
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=============================================================================*/
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/*------------------------------------------------------------------------------------
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Includes
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------------------------------------------------------------------------------------*/
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#include "IOSAudioDevice.h"
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#include "AudioEffect.h"
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#include "Engine.h"
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/*------------------------------------------------------------------------------------
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FIOSAudioDevice
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------------------------------------------------------------------------------------*/
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void FIOSAudioDevice::GetHardwareSampleRate(double& OutSampleRate)
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{
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AVAudioSession* AudioSession = [AVAudioSession sharedInstance];
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OutSampleRate = [AudioSession preferredSampleRate];
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}
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bool FIOSAudioDevice::SetHardwareSampleRate(const double& InSampleRate)
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{
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AVAudioSession* AudioSession = [AVAudioSession sharedInstance];
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return [AudioSession setPreferredSampleRate:InSampleRate error:nil] == YES;
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}
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bool FIOSAudioDevice::SetAudioSessionActive(bool bActive)
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{
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AVAudioSession* AudioSession = [AVAudioSession sharedInstance];
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return [AudioSession setActive:bActive error:nil] == YES;
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}
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bool FIOSAudioDevice::IsExernalBackgroundSoundActive()
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{
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return [[AVAudioSession sharedInstance] isOtherAudioPlaying];
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} |