unsigned int
speex_dec_read(decoder_t * dec, float * dest, int num) {
speex_pdata_t * pd = (speex_pdata_t *)dec->pdata;
unsigned int numread = 0;
unsigned int n_avail = 0;
while ((rb_read_space(pd->rb) <
num * pd->channels * sample_size) && (!pd->is_eos)) {
pd->is_eos = decode_speex(dec);
}
n_avail = rb_read_space(pd->rb) /
(pd->channels * sample_size);
if (n_avail > num)
n_avail = num;
rb_read(pd->rb, (char *)dest, n_avail *
pd->channels * sample_size);
numread = n_avail;
return numread;
}
gint
cdda_timeout_callback(gpointer data) {
cdda_notify_t notify;
while (rb_read_space(cdda_notify_rb) >= sizeof(cdda_notify_t)) {
rb_read(cdda_notify_rb, (char *)¬ify, sizeof(cdda_notify_t));
switch (notify.event_type) {
case CDDA_EVENT_NEW_DRIVE:
AQUALUNG_MUTEX_LOCK(cdda_mutex)
insert_cdda_drive_node(notify.device_path);
AQUALUNG_MUTEX_UNLOCK(cdda_mutex)
free(notify.device_path);
break;
case CDDA_EVENT_CHANGED_DRIVE:
AQUALUNG_MUTEX_LOCK(cdda_mutex)
refresh_cdda_drive_node(notify.device_path);
AQUALUNG_MUTEX_UNLOCK(cdda_mutex)
free(notify.device_path);
break;
case CDDA_EVENT_REMOVED_DRIVE:
AQUALUNG_MUTEX_LOCK(cdda_mutex)
remove_cdda_drive_node(notify.device_path);
AQUALUNG_MUTEX_UNLOCK(cdda_mutex)
free(notify.device_path);
break;
}
}
return TRUE;
}
void
pause_vorbis_stream(decoder_t * dec) {
vorbis_pdata_t * pd = (vorbis_pdata_t *)dec->pdata;
char flush_dest;
httpc_close(pd->session);
if (pd->session->type == HTTPC_SESSION_STREAM) {
/* empty vorbis decoder ringbuffer */
while (rb_read_space(pd->rb))
rb_read(pd->rb, &flush_dest, sizeof(char));
}
}
void
vorbis_decoder_seek(decoder_t * dec, unsigned long long seek_to_pos) {
vorbis_pdata_t * pd = (vorbis_pdata_t *)dec->pdata;
file_decoder_t * fdec = dec->fdec;
char flush_dest;
if (fdec->is_stream && pd->session->type != HTTPC_SESSION_NORMAL)
return;
if (ov_pcm_seek(&(pd->vf), seek_to_pos) == 0) {
fdec->samples_left = fdec->fileinfo.total_samples - seek_to_pos;
/* empty vorbis decoder ringbuffer */
while (rb_read_space(pd->rb))
rb_read(pd->rb, &flush_dest, sizeof(char));
} else {
fprintf(stderr, "vorbis_decoder_seek: warning: ov_pcm_seek() failed\n");
}
}
size_t
rb_peek (rb_t * rb, char *dest, size_t cnt)
{
size_t free_cnt;
size_t cnt2;
size_t to_read;
size_t n1, n2;
size_t tmp_read_ptr;
tmp_read_ptr = rb->read_ptr;
if ((free_cnt = rb_read_space (rb)) == 0) {
return 0;
}
to_read = cnt > free_cnt ? free_cnt : cnt;
cnt2 = tmp_read_ptr + to_read;
if (cnt2 > rb->size) {
n1 = rb->size - tmp_read_ptr;
n2 = cnt2 & rb->size_mask;
} else {
n1 = to_read;
n2 = 0;
}
memcpy (dest, &(rb->buf[tmp_read_ptr]), n1);
tmp_read_ptr += n1;
tmp_read_ptr &= rb->size_mask;
if (n2) {
memcpy (dest + n1, &(rb->buf[tmp_read_ptr]), n2);
tmp_read_ptr += n2;
tmp_read_ptr &= rb->size_mask;
}
return to_read;
}
void
speex_dec_seek(decoder_t * dec, unsigned long long seek_to_pos) {
speex_pdata_t * pd = (speex_pdata_t *)dec->pdata;
file_decoder_t * fdec = dec->fdec;
char flush_dest;
if (seek_to_pos == fdec->fileinfo.total_samples)
--seek_to_pos;
if (oggz_seek_units(pd->oggz, seek_to_pos / (float)pd->sample_rate * 1000.0f, SEEK_SET) != -1) {
if (seek_to_pos == 0) {
pd->packetno = 0;
}
fdec->samples_left = fdec->fileinfo.total_samples - seek_to_pos;
/* empty speex decoder ringbuffer */
while (rb_read_space(pd->rb))
rb_read(pd->rb, &flush_dest, sizeof(char));
} else {
fprintf(stderr, "speex_dec_seek(): warning: oggz_seek_units() returned -1\n");
}
}
