gsplus/src/sound.h
Dagen Brock d9dde67041 uhm
2016-02-07 23:01:25 -06:00

71 lines
1.9 KiB
C

/*
GSPLUS - Advanced Apple IIGS Emulator Environment
Copyright (C) 2016 - Dagen Brock
Copyright (C) 2010 by GSport contributors
Based on the KEGS emulator written by and Copyright (C) 2003 Kent Dickey
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program 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 General Public License
for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#if !defined(_WIN32) && !defined(__CYGWIN__) && !defined (__OS2__)
# include <sys/ipc.h>
# include <sys/shm.h>
#endif
#define SOUND_SHM_SAMP_SIZE (32*1024)
#define SAMPLE_SIZE 2
#define NUM_CHANNELS 2
#define SAMPLE_CHAN_SIZE (SAMPLE_SIZE * NUM_CHANNELS)
STRUCT(Doc_reg) {
double dsamp_ev;
double dsamp_ev2;
double complete_dsamp;
int samps_left;
word32 cur_acc;
word32 cur_inc;
word32 cur_start;
word32 cur_end;
word32 cur_mask;
int size_bytes;
int event;
int running;
int has_irq_pending;
word32 freq;
word32 vol;
word32 waveptr;
word32 ctl;
word32 wavesize;
word32 last_samp_val;
};
/* prototypes for win32snd_driver.c functions */
void win32snd_init(word32 *);
void win32snd_shutdown();
void win32snd_shutdown();
void child_sound_init_win32();
int win32_send_audio(byte *ptr, int size);
void sound_shutdown_sdl();
/* Prototypes for macsnd_driver.c functions */
int mac_send_audio(byte *ptr, int in_size);
void child_sound_init_mac();
void macsnd_init(word32 *shmaddr);