187 lines
3.5 KiB
C
187 lines
3.5 KiB
C
/*
|
|
* Copyright (c) 2009 Jacob Meuser <jakemsr@sdf.lonestar.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "mikmod_internals.h"
|
|
|
|
#ifdef DRV_SNDIO
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <sndio.h>
|
|
|
|
#define DEFAULT_FRAGSIZE 12
|
|
|
|
static struct sio_hdl *hdl;
|
|
static struct sio_par par;
|
|
static int fragsize = 1 << DEFAULT_FRAGSIZE;
|
|
static SBYTE *audiobuffer = NULL;
|
|
|
|
static void Sndio_CommandLine(CHAR *cmdline)
|
|
{
|
|
CHAR *ptr;
|
|
|
|
if ((ptr = MD_GetAtom("buffer", cmdline, 0))) {
|
|
int buf = atoi(ptr);
|
|
|
|
if (buf >= 7 && buf <= 17)
|
|
fragsize = 1 << buf;
|
|
|
|
free(ptr);
|
|
}
|
|
}
|
|
|
|
static BOOL Sndio_IsThere(void)
|
|
{
|
|
/* could try sio_open() ? */
|
|
return 1;
|
|
}
|
|
|
|
static BOOL Sndio_Init(void)
|
|
{
|
|
hdl = sio_open(NULL, SIO_PLAY, 0);
|
|
if (hdl == NULL) {
|
|
_mm_errno = MMERR_OPENING_AUDIO;
|
|
return 1;
|
|
}
|
|
|
|
if (!(audiobuffer = (SBYTE *)MikMod_malloc(fragsize)))
|
|
return 1;
|
|
|
|
sio_initpar(&par);
|
|
par.bits = (md_mode & DMODE_16BITS) ? 16 : 8;
|
|
par.pchan = (md_mode & DMODE_STEREO) ? 2 : 1;
|
|
par.rate = md_mixfreq;
|
|
par.le = SIO_LE_NATIVE;
|
|
par.sig = par.bits == 8 ? 0 : 1;
|
|
par.appbufsz = 4 * fragsize / SIO_BPS(par.bits) / par.pchan;
|
|
|
|
if (!sio_setpar(hdl, &par) || !sio_getpar(hdl, &par)) {
|
|
_mm_errno = MMERR_SUN_INIT;
|
|
return 1;
|
|
}
|
|
|
|
/* Align to what the card gave us */
|
|
md_mixfreq = par.rate;
|
|
if (par.bits == 8)
|
|
md_mode &= ~(DMODE_16BITS);
|
|
else if (par.bits == 16)
|
|
md_mode |= DMODE_16BITS;
|
|
else {
|
|
_mm_errno = MMERR_SUN_INIT;
|
|
return 1;
|
|
}
|
|
if (par.pchan == 1)
|
|
md_mode &= ~(DMODE_STEREO);
|
|
else if (par.pchan == 2)
|
|
md_mode |= DMODE_STEREO;
|
|
else {
|
|
_mm_errno = MMERR_SUN_INIT;
|
|
return 1;
|
|
}
|
|
|
|
return VC_Init();
|
|
}
|
|
|
|
static void Sndio_Exit(void)
|
|
{
|
|
VC_Exit();
|
|
MikMod_free(audiobuffer);
|
|
if (hdl) {
|
|
sio_close(hdl);
|
|
hdl = NULL;
|
|
}
|
|
}
|
|
|
|
static void Sndio_Update(void)
|
|
{
|
|
int done;
|
|
|
|
done = VC_WriteBytes((char *)audiobuffer, fragsize);
|
|
sio_write(hdl, audiobuffer, done);
|
|
}
|
|
|
|
static void Sndio_Pause(void)
|
|
{
|
|
int done;
|
|
|
|
done = VC_SilenceBytes((char *)audiobuffer, fragsize);
|
|
sio_write(hdl, audiobuffer, done);
|
|
}
|
|
|
|
static BOOL Sndio_PlayStart(void)
|
|
{
|
|
if (!sio_start(hdl))
|
|
return 1;
|
|
|
|
return VC_PlayStart();
|
|
}
|
|
|
|
static void Sndio_PlayStop(void)
|
|
{
|
|
VC_PlayStop();
|
|
sio_stop(hdl);
|
|
}
|
|
|
|
MIKMODAPI MDRIVER drv_sndio = {
|
|
NULL,
|
|
"Sndio Audio",
|
|
"sndio audio driver v1.0",
|
|
0, 255,
|
|
"audio",
|
|
"buffer:r:7,17,12:Audio buffer log2 size\n",
|
|
Sndio_CommandLine,
|
|
Sndio_IsThere,
|
|
VC_SampleLoad,
|
|
VC_SampleUnload,
|
|
VC_SampleSpace,
|
|
VC_SampleLength,
|
|
Sndio_Init,
|
|
Sndio_Exit,
|
|
NULL,
|
|
VC_SetNumVoices,
|
|
Sndio_PlayStart,
|
|
Sndio_PlayStop,
|
|
Sndio_Update,
|
|
Sndio_Pause,
|
|
VC_VoiceSetVolume,
|
|
VC_VoiceGetVolume,
|
|
VC_VoiceSetFrequency,
|
|
VC_VoiceGetFrequency,
|
|
VC_VoiceSetPanning,
|
|
VC_VoiceGetPanning,
|
|
VC_VoicePlay,
|
|
VC_VoiceStop,
|
|
VC_VoiceStopped,
|
|
VC_VoiceGetPosition,
|
|
VC_VoiceRealVolume
|
|
};
|
|
|
|
#else
|
|
|
|
MISSING(drv_sndio);
|
|
|
|
#endif
|
|
|
|
/* ex:set ts=4: */
|