SDL  2.0
SDL_coreaudio.h
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
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 #if !defined(__IPHONEOS__)
29 #define MACOSX_COREAUDIO 1
30 #endif
31 
32 #if MACOSX_COREAUDIO
33 #include <CoreAudio/CoreAudio.h>
34 #include <CoreServices/CoreServices.h>
35 #else
36 #import <AVFoundation/AVFoundation.h>
37 #import <UIKit/UIApplication.h>
38 #endif
39 
40 #include <AudioToolbox/AudioToolbox.h>
41 #include <AudioUnit/AudioUnit.h>
42 
43 /* Hidden "this" pointer for the audio functions */
44 #define _THIS SDL_AudioDevice *this
45 
47 {
49  AudioQueueRef audioQueue;
50  AudioQueueBufferRef *audioBuffer;
51  void *buffer;
52  UInt32 bufferOffset;
53  UInt32 bufferSize;
54  AudioStreamBasicDescription strdesc;
55  SDL_sem *ready_semaphore;
56  char *thread_error;
58 #if MACOSX_COREAUDIO
59  AudioDeviceID deviceID;
60 #else
61  SDL_bool interrupted;
62  CFTypeRef interruption_listener;
63 #endif
64 };
65 
66 #endif /* SDL_coreaudio_h_ */
67 
68 /* vi: set ts=4 sw=4 expandtab: */
SDL_PrivateAudioData::audioQueue
AudioQueueRef audioQueue
Definition: SDL_coreaudio.h:49
SDL_Thread
Definition: SDL_thread_c.h:55
SDL_PrivateAudioData::buffer
void * buffer
Definition: SDL_coreaudio.h:51
SDL_PrivateAudioData::shutdown
SDL_atomic_t shutdown
Definition: SDL_coreaudio.h:57
SDL_PrivateAudioData
Definition: SDL_alsa_audio.h:34
SDL_PrivateAudioData::audioBuffer
AudioQueueBufferRef * audioBuffer
Definition: SDL_coreaudio.h:50
SDL_PrivateAudioData::bufferSize
UInt32 bufferSize
Definition: SDL_coreaudio.h:53
SDL_PrivateAudioData::bufferOffset
UInt32 bufferOffset
Definition: SDL_coreaudio.h:52
SDL_PrivateAudioData::thread
SDL_Thread * thread
Definition: SDL_coreaudio.h:48
SDL_PrivateAudioData::deviceID
AudioDeviceID deviceID
Definition: SDL_coreaudio.h:59
SDL_PrivateAudioData::ready_semaphore
SDL_sem * ready_semaphore
Definition: SDL_coreaudio.h:55
SDL_atomic_t
A type representing an atomic integer value. It is a struct so people don't accidentally use numeric ...
Definition: SDL_atomic.h:216
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:162
SDL_PrivateAudioData::strdesc
AudioStreamBasicDescription strdesc
Definition: SDL_coreaudio.h:54
SDL_PrivateAudioData::thread_error
char * thread_error
Definition: SDL_coreaudio.h:56