/*
Simple DirectMedia Layer
Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#ifndef SDL_coreaudio_h_
#define SDL_coreaudio_h_
#include "../SDL_sysaudio.h"
#if !defined(__IPHONEOS__)
#define MACOSX_COREAUDIO 1
#endif
#if MACOSX_COREAUDIO
#include <CoreAudio/CoreAudio.h>
#else
#import <AVFoundation/AVFoundation.h>
#import <UIKit/UIApplication.h>
#endif
#include <AudioToolbox/AudioToolbox.h>
#include <AudioUnit/AudioUnit.h>
/* Things named "Master" were renamed to "Main" in macOS 12.0's SDK. */
#if MACOSX_COREAUDIO
#include <AvailabilityMacros.h>
#ifndef MAC_OS_VERSION_12_0
#define kAudioObjectPropertyElementMain kAudioObjectPropertyElementMaster
#endif
#endif
/* Hidden "this" pointer for the audio functions */
#define _THIS SDL_AudioDevice *this
struct SDL_PrivateAudioData
{
SDL_Thread *thread;
AudioQueueRef audioQueue;
int numAudioBuffers;
AudioQueueBufferRef *audioBuffer;
void *buffer;
UInt32 bufferOffset;
UInt32 bufferSize;
AudioStreamBasicDescription strdesc;
SDL_sem *ready_semaphore;
char *thread_error;
#if MACOSX_COREAUDIO
AudioDeviceID deviceID;
SDL_atomic_t device_change_flag;
#else
SDL_bool interrupted;
CFTypeRef interruption_listener;
#endif
};
#endif /* SDL_coreaudio_h_ */
/* vi: set ts=4 sw=4 expandtab: */
