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#include "input/sndio.h"
#include "input/common.h"
#include <sndio.h>
void *input_sndio(void *data) {
struct audio_data *audio = (struct audio_data *)data;
struct sio_par par;
struct sio_hdl *hdl;
int16_t buf[256];
unsigned int channels;
sio_initpar(&par);
par.sig = 1;
par.bits = 16;
par.le = 1;
par.rate = 44100;
par.rchan = 2;
par.appbufsz = sizeof(buf) / par.rchan;
if ((hdl = sio_open(audio->source, SIO_REC, 0)) == NULL) {
fprintf(stderr, __FILE__ ": Could not open sndio source: %s\n", audio->source);
exit(EXIT_FAILURE);
}
if (!sio_setpar(hdl, &par) || !sio_getpar(hdl, &par) || par.sig != 1 || par.le != 1 ||
par.rate != 44100 || par.rchan != audio->channels) {
fprintf(stderr, __FILE__ ": Could not set required audio parameters\n");
exit(EXIT_FAILURE);
}
if (!sio_start(hdl)) {
fprintf(stderr, __FILE__ ": sio_start() failed\n");
exit(EXIT_FAILURE);
}
uint16_t frames = (sizeof(buf) / sizeof(buf[0])) / channels;
while (audio->terminate != 1) {
if (sio_read(hdl, buf, sizeof(buf)) == 0) {
fprintf(stderr, __FILE__ ": sio_read() failed: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
write_to_fftw_input_buffers(buf, frames, audio);
/*
for (i = 0; i < sizeof(buf)/sizeof(buf[0]); i += 2) {
if (par.rchan == 1) {
// sndiod has already taken care of averaging the samples
audio->audio_out_l[n] = buf[i];
} else if (par.rchan == 2) {
audio->audio_out_l[n] = buf[i];
audio->audio_out_r[n] = buf[i + 1];
}
n = (n + 1) % audio->FFTbufferSize;
}
*/
}
sio_stop(hdl);
sio_close(hdl);
return 0;
}
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