kc3-lang/SDL/src/audio/coreaudio/SDL_coreaudio.h

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• Hash : 6844d92c
  Author :
  Date : 2017-05-24T13:28:13
  

  coreaudio: we don't need to track number of allocated audio buffers anymore.
  
  CoreAudio takes care of iterating through the buffers and freeing them now,
  so we don't have to manage this ourselves.
  

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• src/audio/coreaudio/SDL_coreaudio.h

• /*
    Simple DirectMedia Layer
    Copyright (C) 1997-2017 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>
  #include <CoreServices/CoreServices.h>
  #else
  #import <AVFoundation/AVFoundation.h>
  #import <UIKit/UIApplication.h>
  #endif
  
  #include <AudioToolbox/AudioToolbox.h>
  #include <AudioUnit/AudioUnit.h>
  
  /* Hidden "this" pointer for the audio functions */
  #define _THIS   SDL_AudioDevice *this
  
  struct SDL_PrivateAudioData
  {
      SDL_Thread *thread;
      AudioQueueRef audioQueue;
      AudioQueueBufferRef *audioBuffer;
      void *buffer;
      UInt32 bufferOffset;
      UInt32 bufferSize;
      AudioStreamBasicDescription strdesc;
      SDL_sem *ready_semaphore;
      char *thread_error;
      SDL_atomic_t shutdown;
  #if MACOSX_COREAUDIO
      AudioDeviceID deviceID;
  #else
      SDL_bool interrupted;
      CFTypeRef interruption_listener;
  #endif
  };
  
  #endif /* _SDL_coreaudio_h */
  /* vi: set ts=4 sw=4 expandtab: */
  

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