Atlas - SDL_coreaudio.h
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[FILE BEGIN]
1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21#include "SDL_internal.h"
22
23#ifndef SDL_coreaudio_h_
24#define SDL_coreaudio_h_
25
26#include "../SDL_sysaudio.h"
27
28#ifndef SDL_PLATFORM_IOS
29#define MACOSX_COREAUDIO
30#endif
31
32#ifdef MACOSX_COREAUDIO
33#include <CoreAudio/CoreAudio.h>
34#else
35#import <AVFoundation/AVFoundation.h>
36#import <UIKit/UIApplication.h>
37#endif
38
39#include <AudioToolbox/AudioToolbox.h>
40#include <AudioUnit/AudioUnit.h>
41
42// Things named "Master" were renamed to "Main" in macOS 12.0's SDK.
43#ifdef MACOSX_COREAUDIO
44#include <AvailabilityMacros.h>
45#ifndef MAC_OS_VERSION_12_0
46#define kAudioObjectPropertyElementMain kAudioObjectPropertyElementMaster
47#endif
48#endif
49
50struct SDL_PrivateAudioData
51{
52    SDL_Thread *thread;
53    AudioQueueRef audioQueue;
54    int numAudioBuffers;
55    AudioQueueBufferRef *audioBuffer;
56    AudioQueueBufferRef current_buffer;
57    AudioStreamBasicDescription strdesc;
58    SDL_Semaphore *ready_semaphore;
59    char *thread_error;
60#ifdef MACOSX_COREAUDIO
61    AudioDeviceID deviceID;
62#else
63    bool interrupted;
64    CFTypeRef interruption_listener;
65#endif
66};
67
68#endif // SDL_coreaudio_h_
69
[FILE END]
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