1 /* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2016 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 46 struct SDL_PrivateAudioData 47 { 48 SDL_Thread *thread; 49 AudioQueueRef audioQueue; 50 AudioQueueBufferRef audioBuffer[2]; 51 void *buffer; 52 UInt32 bufferOffset; 53 UInt32 bufferSize; 54 AudioStreamBasicDescription strdesc; 55 SDL_sem *ready_semaphore; 56 char *thread_error; 57 SDL_atomic_t shutdown; 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 /* vi: set ts=4 sw=4 expandtab: */ 68