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Aminet 44
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Aminet 44 (2001)(GTI - Schatztruhe)[!][Aug 2001].iso
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AmigaSDLsrc.lha
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amisrc
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SDL_sysaudio.h
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2001-04-29
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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997, 1998, 1999, 2000 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
slouken@devolution.com
*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id: SDL_sysaudio.h,v 1.6.2.8 2000/03/16 15:20:37 hercules Exp $";
#endif
#ifndef _SDL_sysaudio_h
#define _SDL_sysaudio_h
#include "SDL_mutex.h"
#include "SDL_thread.h"
#include <exec/exec.h>
#include <dos/dos.h>
#ifdef __SASC
#include <proto/exec.h>
#else
#include <inline/exec.h>
#endif
#include <devices/ahi.h>
#include "mydebug.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;
/* * * */
/* 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);
/* * * */
/* 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;
/* 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;
int (*available)(void);
SDL_AudioDevice *(*create)(int devindex);
} AudioBootStrap;
#ifdef ESD_SUPPORT
extern AudioBootStrap ESD_bootstrap;
#endif
#ifdef linux
extern AudioBootStrap DMA_bootstrap;
#endif
#ifdef unix
extern AudioBootStrap AUDIO_bootstrap;
#endif
#ifdef ENABLE_WINDIB
extern AudioBootStrap WAVEOUT_bootstrap;
#endif
#ifdef ENABLE_DIRECTX
extern AudioBootStrap DSOUND_bootstrap;
#endif
#ifdef __BEOS__
extern AudioBootStrap BAUDIO_bootstrap;
#endif
#ifdef macintosh
extern AudioBootStrap AUDIO_bootstrap;
#endif
#ifdef _AIX
extern AudioBootStrap Paud_bootstrap;
#endif
#ifdef ENABLE_CYBERGRAPHICS
extern AudioBootStrap AHI_bootstrap;
#endif
/* This is the current audio device */
extern SDL_AudioDevice *current_audio;
#ifndef __SASC
extern struct ExecBase *SysBase;
#endif
#endif /* _SDL_sysaudio_h */