/*

SDL - Simple DirectMedia Layer

This library is free software; you can redistribute it and/or

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

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

#ifndef _SDL_lowaudio_h

#define _SDL_lowaudio_h

/* Hidden "this" pointer for the video functions */

#define _THIS SDL_AudioDevice *this

struct SDL_PrivateAudioData {

/* The file descriptor for the audio device */

int audio_fd;

Uint16 audio_fmt; /* The app audio format */

Uint8 *mixbuf; /* The app mixing buffer */

int ulaw_only; /* Flag -- does hardware only output U-law? */

Uint8 *ulaw_buf; /* The U-law mixing buffer */

Sint32 written; /* The number of samples written */

int fragsize; /* The audio fragment size in samples */

int frequency; /* The audio frequency in KHz */

};

/* Old variable names */

#define audio_fd (this->hidden->audio_fd)

#define audio_fmt (this->hidden->audio_fmt)

#define mixbuf (this->hidden->mixbuf)

#define ulaw_only (this->hidden->ulaw_only)

#define ulaw_buf (this->hidden->ulaw_buf)

#define written (this->hidden->written)

#define fragsize (this->hidden->fragsize)

#define frequency (this->hidden->frequency)

#endif /* _SDL_lowaudio_h */