int pal_pcm_recode_with_cb(get_recode_stream_fn fn)
{
int ret = 0;
int snd_read_num = 0;
LOGI("palapp","pal_pcm_recode_with_cb\n");
ret = snd_pcm_open(&pal_pcm_cfg, SOUND_CARD_ID_IN, PCM_IN);
if (ret != 0) {
LOGE("palapp","pcm open error\n");
ret = -1;
}
#ifdef SAVE_TO_SD
char file_name[64];
sprintf(file_name,"0:/%d.wav",aos_now());
int f_sta = f_open(&pcm_fp, file_name, FA_CREATE_NEW | FA_WRITE | FA_READ);
if(f_sta != FR_OK) {
LOG("!!!!!fail to open fat!!!!!\n");
return -1;
}
#endif
int recd_count = READ_CNT;
unsigned int write_l = 0;
LOG("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");
LOG("~~~~~~~~~~~~~~~~~~~~~~~~Please say some thing to me~~~~~~~~~~~~~~~~~~~~~~~~~~~");
draw_text(0,0,1,"Please say some thing to me");
aos_msleep(500);
while(recd_count --) {
snd_read_num = snd_pcm_read(&pal_pcm_cfg, SOUND_CARD_ID_IN, pcm_data_buf, PCM_BUF_SIZE);
if(snd_read_num == -1) {
LOG("!!!!!!!!pcm read error!!!!!!!!\n");
return -1;
}
#ifdef SAVE_TO_SD
#endif
int size=PCM_BUF_SIZE/PCM_BUF_CNT;
for(int i=0;i<PCM_BUF_CNT;i++){
fn(pcm_data_buf+i*size,size);
//aos_msleep(5);
}
}
draw_text(0,0,1,"In the processing...");
snd_pcm_close(SOUND_CARD_ID_IN, PCM_IN);
LOG("recoder end!\n");
#ifdef SAVE_TO_SD
f_close(&pcm_fp);
#endif
return ret;
}
static void
alsa_poll_ready_sampling (gpointer data,
gint source,
GdkInputCondition condition)
{
alsa_driver * const d = data;
int size;
size = (d->stereo + 1) * (d->bits / 8) * d->fragsize;
size = snd_pcm_read(d->soundfd, d->sndbuf, size);
sample_editor_sampled(d->sndbuf, d->fragsize, d->playrate, d->mf);
}
int32 ad_read (ad_rec_t *handle, int16 *buf, int32 max)
{
int32 length;
static int infoz = 0;
length = max * handle->bps; /* #samples -> #bytes */
length = snd_pcm_read(handle->dspH, buf, length);
if (length > 0) {
if (length % 2) {
fprintf(stderr, "snd_pcm_read returned an odd number: %d\n", length);
abort();
}
length /= handle->bps;
} else if (length < 0) {
fprintf(stderr, "Audio read error\n");
return AD_ERR_GEN;
} else if (!handle->recording)
return AD_EOF;
#if 0 /* only do this if you're stumped */
if ((length != 0) && (++infoz < 200))
fprintf(stderr, "ad_read(0x%08lx,0x%08lx,%d) => %d\n", handle, buf, max,length);
#endif
return length;
}
