187 lines
4.7 KiB
C
187 lines
4.7 KiB
C
/*
|
|
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 */
|