int main(int argc, char *argv[])
{
snd_pcm_t *handle;
snd_pcm_t *handle_play;
int err, morehelp;
snd_pcm_hw_params_t *hwparams;
snd_pcm_sw_params_t *swparams;
int method = 0;
signed short *samples;
unsigned int chn;
snd_pcm_hw_params_alloca(&hwparams);
snd_pcm_sw_params_alloca(&swparams);
printf("Capture device is %s\n", device);
printf("Stream parameters are %iHz, %s, %i channels\n", rate, snd_pcm_format_name(format), channels);
/*open the playback*/
if ((err = snd_pcm_open(&handle_play, device,SND_PCM_STREAM_PLAYBACK, 0)) < 0)
{
printf("Capture open error: %s\n", snd_strerror(err));
return 0;
}
/* set the hard ware parameter*/
if ((err = set_hwparams(handle_play,hwparams,SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
{
printf("Setting of hwparams failed: %s\n", snd_strerror(err));
exit(EXIT_FAILURE);
}
/*open the capture*/
if ((err = snd_pcm_open(&handle, device,SND_PCM_STREAM_CAPTURE, 0)) < 0)
{
printf("Capture open error: %s\n", snd_strerror(err));
return 0;
}
/* set the hard ware parameter*/
if ((err = set_hwparams(handle, hwparams,SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
{
printf("Setting of hwparams failed: %s\n", snd_strerror(err));
exit(EXIT_FAILURE);
}
static struct timeval oldtv;
static struct timeval tv;
/*avasounil = snd_pcm_avail_update(handle);*/
gettimeofday(&tv,NULL);
// printf("play back time %lu\n",(tv.tv_sec-oldtv.tv_sec)*1000000+tv.tv_usec-oldtv.tv_usec);
printf("main time %u: %u \n",tv.tv_sec,tv.tv_usec);
oldtv = tv;
/*async for capture */
async_loop(handle);
/* */
write_loop(handle_play);
/*while(1)
{
}*/
}
int main() {
int i = 0;
async_state_t state;
async_init(&state);
async_push(&state, get_action(h3));
async_loop(&state);
return 0;
}
int main(int argc, char *argv[])
{
snd_pcm_t *handle;
snd_pcm_t *handle_play;
int err, morehelp;
snd_pcm_hw_params_t *hwparams;
snd_pcm_sw_params_t *swparams;
int method = 0;
signed short *samples;
unsigned int chn;
snd_pcm_hw_params_alloca(&hwparams);
snd_pcm_sw_params_alloca(&swparams);
printf("Capture device is %s\n", device);
printf("Stream parameters are %iHz, %s, %i channels\n", rate, snd_pcm_format_name(format), channels);
/*open the playback*/
if ((err = snd_pcm_open(&handle_play, device,SND_PCM_STREAM_PLAYBACK, 0)) < 0)
{
printf("Capture open error: %s\n", snd_strerror(err));
return 0;
}
/* set the hard ware parameter*/
if ((err = set_hwparams(handle_play,hwparams,SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
{
printf("Setting of hwparams failed: %s\n", snd_strerror(err));
exit(EXIT_FAILURE);
}
/*open the capture*/
if ((err = snd_pcm_open(&handle, device,SND_PCM_STREAM_CAPTURE, 0)) < 0)
{
printf("Capture open error: %s\n", snd_strerror(err));
return 0;
}
/* set the hard ware parameter*/
if ((err = set_hwparams(handle, hwparams,SND_PCM_ACCESS_RW_INTERLEAVED)) < 0)
{
printf("Setting of hwparams failed: %s\n", snd_strerror(err));
exit(EXIT_FAILURE);
}
/*async for capture */
async_loop(handle);
/* */
write_loop(handle_play);
/*while(1)
{
}*/
}