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diff --git a/distrib/sdl-1.2.15/src/audio/SDL_sysaudio.h b/distrib/sdl-1.2.15/src/audio/SDL_sysaudio.h
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@@ -0,0 +1,186 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2012 Sam Lantinga
+
+ This library is SDL_free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifndef _SDL_sysaudio_h
+#define _SDL_sysaudio_h
+
+#include "SDL_mutex.h"
+#include "SDL_thread.h"
+
+/* The SDL audio driver */
+typedef struct SDL_AudioDevice SDL_AudioDevice;
+
+/* Define the SDL audio driver structure */
+#define _THIS SDL_AudioDevice *_this
+#ifndef _STATUS
+#define _STATUS SDL_status *status
+#endif
+struct SDL_AudioDevice {
+ /* * * */
+ /* The name of this audio driver */
+ const char *name;
+
+ /* * * */
+ /* The description of this audio driver */
+ const char *desc;
+
+ /* * * */
+ /* Public driver functions */
+ int (*OpenAudio)(_THIS, SDL_AudioSpec *spec);
+ void (*ThreadInit)(_THIS); /* Called by audio thread at start */
+ void (*WaitAudio)(_THIS);
+ void (*PlayAudio)(_THIS);
+ Uint8 *(*GetAudioBuf)(_THIS);
+ void (*WaitDone)(_THIS);
+ void (*CloseAudio)(_THIS);
+
+ /* * * */
+ /* Lock / Unlock functions added for the Mac port */
+ void (*LockAudio)(_THIS);
+ void (*UnlockAudio)(_THIS);
+
+ void (*SetCaption)(_THIS, const char *caption);
+
+ /* * * */
+ /* Data common to all devices */
+
+ /* The current audio specification (shared with audio thread) */
+ SDL_AudioSpec spec;
+
+ /* An audio conversion block for audio format emulation */
+ SDL_AudioCVT convert;
+
+ /* Current state flags */
+ int enabled;
+ int paused;
+ int opened;
+
+ /* Fake audio buffer for when the audio hardware is busy */
+ Uint8 *fake_stream;
+
+ /* A semaphore for locking the mixing buffers */
+ SDL_mutex *mixer_lock;
+
+ /* A thread to feed the audio device */
+ SDL_Thread *thread;
+ Uint32 threadid;
+
+ /* * * */
+ /* Data private to this driver */
+ struct SDL_PrivateAudioData *hidden;
+
+ /* * * */
+ /* The function used to dispose of this structure */
+ void (*free)(_THIS);
+};
+#undef _THIS
+
+typedef struct AudioBootStrap {
+ const char *name;
+ const char *desc;
+ int (*available)(void);
+ SDL_AudioDevice *(*create)(int devindex);
+} AudioBootStrap;
+
+#if SDL_AUDIO_DRIVER_BSD
+extern AudioBootStrap BSD_AUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_PULSE
+extern AudioBootStrap PULSE_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_ALSA
+extern AudioBootStrap ALSA_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_OSS
+extern AudioBootStrap DSP_bootstrap;
+extern AudioBootStrap DMA_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_QNXNTO
+extern AudioBootStrap QNXNTOAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_SUNAUDIO
+extern AudioBootStrap SUNAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DMEDIA
+extern AudioBootStrap DMEDIA_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_ARTS
+extern AudioBootStrap ARTS_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_ESD
+extern AudioBootStrap ESD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_NAS
+extern AudioBootStrap NAS_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DSOUND
+extern AudioBootStrap DSOUND_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_WAVEOUT
+extern AudioBootStrap WAVEOUT_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_PAUD
+extern AudioBootStrap Paud_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_BAUDIO
+extern AudioBootStrap BAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_COREAUDIO
+extern AudioBootStrap COREAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_SNDMGR
+extern AudioBootStrap SNDMGR_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_MINT
+extern AudioBootStrap MINTAUDIO_GSXB_bootstrap;
+extern AudioBootStrap MINTAUDIO_MCSN_bootstrap;
+extern AudioBootStrap MINTAUDIO_STFA_bootstrap;
+extern AudioBootStrap MINTAUDIO_XBIOS_bootstrap;
+extern AudioBootStrap MINTAUDIO_DMA8_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DISK
+extern AudioBootStrap DISKAUD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DUMMY
+extern AudioBootStrap DUMMYAUD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DC
+extern AudioBootStrap DCAUD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_NDS
+extern AudioBootStrap NDSAUD_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_MMEAUDIO
+extern AudioBootStrap MMEAUDIO_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_DART
+extern AudioBootStrap DART_bootstrap;
+#endif
+#if SDL_AUDIO_DRIVER_EPOCAUDIO
+extern AudioBootStrap EPOCAudio_bootstrap;
+#endif
+
+/* This is the current audio device */
+extern SDL_AudioDevice *current_audio;
+
+#endif /* _SDL_sysaudio_h */