/*

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_esdaudio_h

#define _SDL_esdaudio_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;

/* The parent process id, to detect when application quits */

pid_t parent;

/* Raw mixing buffer */

Uint8 *mixbuf;

int mixlen;

/* Support for audio timing using a timer */

float frame_ticks;

float next_frame;

};

#define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */

/* Old variable names */

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

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

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

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

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

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

#endif /* _SDL_esdaudio_h */