src/audio/coreaudio/SDL_coreaudio.h
author Sam Lantinga
Mon, 09 Jan 2017 11:58:01 -0800
changeset 10802 6afc9b833867
parent 10737 3406a0f8b041
child 11022 ad26a063ffff
permissions -rw-r--r--
We only need the first few keymaps corresponding to the following constants:
K_NORMTAB, K_SHIFTTAB, K_ALTTAB, K_ALTSHIFTTAB

In the normal case we'll load all the keymaps from the kernel, but this reduces the size of the SDL library for the fallback case when we can't get to the tty.
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2017 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: */