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SDL_sysaudio.h
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2006 Sam Lantinga
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This library is SDL_free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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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
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#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 _THIS SDL_AudioDevice *_this
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/* !!! FIXME: rename these from "Audio" to "Device" ... */
typedef struct SDL_AudioDriverImpl
{
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int (*DetectDevices)(int iscapture);
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const char *(*GetDeviceName)(int index, int iscapture);
int (*OpenDevice) (_THIS, const char *devname, int iscapture);
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void (*ThreadInit) (_THIS); /* Called by audio thread at start */
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void (*WaitDevice) (_THIS);
void (*PlayDevice) (_THIS);
Uint8 *(*GetDeviceBuf) (_THIS);
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void (*WaitDone) (_THIS);
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void (*CloseDevice) (_THIS);
void (*LockDevice) (_THIS);
void (*UnlockDevice) (_THIS);
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void (*Deinitialize) (void);
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} SDL_AudioDriverImpl;
typedef struct SDL_AudioDriver
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{
/* * * */
/* The name of this audio driver */
const char *name;
/* * * */
/* The description of this audio driver */
const char *desc;
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SDL_AudioDriverImpl impl;
} SDL_AudioDriver;
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/* Define the SDL audio driver structure */
struct SDL_AudioDevice
{
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/* Lowlevel audio implementation */
const SDL_AudioDriver *driver;
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/* * * */
/* 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);
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};
#undef _THIS
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typedef struct AudioBootStrap
{
const char *name;
const char *desc;
int (*available) (void);
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int (*init) (SDL_AudioDriverImpl *impl);
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} AudioBootStrap;
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#if SDL_AUDIO_DRIVER_BSD
extern AudioBootStrap BSD_AUDIO_bootstrap;
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#if SDL_AUDIO_DRIVER_OSS
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extern AudioBootStrap DSP_bootstrap;
extern AudioBootStrap DMA_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_ALSA
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extern AudioBootStrap ALSA_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_QNXNTO
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extern AudioBootStrap QNXNTOAUDIO_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_SUNAUDIO
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extern AudioBootStrap SUNAUDIO_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_DMEDIA
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extern AudioBootStrap DMEDIA_bootstrap;
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#if SDL_AUDIO_DRIVER_ARTS
extern AudioBootStrap ARTS_bootstrap;
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#endif
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#if SDL_AUDIO_DRIVER_ESD
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extern AudioBootStrap ESD_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_NAS
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extern AudioBootStrap NAS_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_DSOUND
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extern AudioBootStrap DSOUND_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_WAVEOUT
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extern AudioBootStrap WAVEOUT_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_PAUD
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extern AudioBootStrap Paud_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_BAUDIO
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extern AudioBootStrap BAUDIO_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_COREAUDIO
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extern AudioBootStrap COREAUDIO_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_SNDMGR
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extern AudioBootStrap SNDMGR_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_AHI
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extern AudioBootStrap AHI_bootstrap;
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#endif
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#if SDL_AUDIO_DRIVER_MINT
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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;
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#if SDL_AUDIO_DRIVER_DISK
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extern AudioBootStrap DISKAUD_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_DUMMY
extern AudioBootStrap DUMMYAUD_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_DC
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extern AudioBootStrap DCAUD_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_MMEAUDIO
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extern AudioBootStrap MMEAUDIO_bootstrap;
#endif
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#if SDL_AUDIO_DRIVER_DART
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extern AudioBootStrap DART_bootstrap;
#endif
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#endif /* _SDL_sysaudio_h */
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/* vi: set ts=4 sw=4 expandtab: */