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#include <config.h>
/*****************************************************************/
/*** ***/
/*** Play out a file on OpenBSD ***/
/*** (conf/linuxplay.c with changes) ***/
/*** ***/
/*****************************************************************/
#include <useconfig.h>
#include <stdio.h>
#include <math.h>
#include <ctype.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/param.h>
#include <sys/signal.h>
#include <sndio.h>
#include "proto.h"
#include "getargs.h"
#include "hplay.h"
#define SAMP_RATE 8000
long samp_rate = SAMP_RATE;
static struct sio_hdl *hdl;
static struct sio_par par;
char *prog = "hplay";
int
audio_init(int argc, char *argv[])
{
int rate_set = 0;
int use_audio = 1;
prog = argv[0];
argc = getargs("Audio output",argc, argv,
"r", "%d", &rate_set, "Sample rate",
"a", NULL, &use_audio, "Audio enable",
NULL);
if (help_only)
return argc;
if (rate_set)
samp_rate = rate_set;
if (!use_audio)
return argc;
hdl = sio_open(NULL, SIO_PLAY, 0);
if (hdl == NULL)
{
fprintf(stderr, "sio_open failed\n");
return argc;
}
sio_initpar(&par);
par.bits = 16;
par.sig = 1;
par.le = SIO_LE_NATIVE;
par.rate = samp_rate;
par.pchan = 1;
if (!sio_setpar(hdl, &par) || !sio_getpar(hdl, &par))
{
fprintf(stderr, "error setting sndio parameters\n");
hdl = NULL;
}
if (par.bits != 16 || par.le != SIO_LE_NATIVE || par.sig != 1 || par.pchan != 1)
{
fprintf(stderr, "returned incorrect sndio parameters\n");
hdl = NULL;
}
samp_rate = par.rate;
if (hdl && !sio_start(hdl))
{
fprintf(stderr, "error starting sndio\n");
hdl = NULL;
}
return argc;
}
void
audio_term()
{
if (hdl)
{
sio_close(hdl);
hdl = NULL;
}
}
void
audio_play(int n, short *data)
{
if (n > 0 && hdl)
{
size_t size = n * sizeof(short);
if (sio_write(hdl, data, size) != size)
fprintf(stderr, "sio_write: short write");
}
}
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