void *
audio_decode_thread(void *aux)
{
audio_decoder_t *ad = aux;
const audio_class_t *ac = ad->ad_ac;
int run = 1;
media_pipe_t *mp = ad->ad_mp;
media_queue_t *mq = &mp->mp_audio;
media_buf_t *mb;
int blocked = 0;
if(ac->ac_init != NULL)
ac->ac_init(ad);
ad->ad_discontinuity = 1;
hts_mutex_lock(&mp->mp_mutex);
while(run) {
int avail;
if(ad->ad_spdif_muxer != NULL) {
avail = ad->ad_spdif_frame_size;
} else {
avail = ad->ad_avr != NULL ? avresample_available(ad->ad_avr) : 0;
}
media_buf_t *data = TAILQ_FIRST(&mq->mq_q_data);
media_buf_t *ctrl = TAILQ_FIRST(&mq->mq_q_ctrl);
if(avail >= ad->ad_tile_size && blocked == 0 && !ad->ad_paused && !ctrl) {
assert(avail != 0);
int samples = MIN(ad->ad_tile_size, avail);
int r;
if(ac->ac_deliver_locked != NULL) {
r = ac->ac_deliver_locked(ad, samples, ad->ad_pts, ad->ad_epoch);
if(r) {
hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
continue;
}
} else {
hts_mutex_unlock(&mp->mp_mutex);
r = ac->ac_deliver_unlocked(ad, samples, ad->ad_pts, ad->ad_epoch);
hts_mutex_lock(&mp->mp_mutex);
}
if(r) {
blocked = 1;
} else {
ad->ad_pts = AV_NOPTS_VALUE;
}
continue;
}
if(ctrl != NULL) {
TAILQ_REMOVE(&mq->mq_q_ctrl, ctrl, mb_link);
mb = ctrl;
} else if(data != NULL && avail < ad->ad_tile_size) {
TAILQ_REMOVE(&mq->mq_q_data, data, mb_link);
mb = data;
} else {
hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
continue;
}
mq->mq_packets_current--;
mp->mp_buffer_current -= mb->mb_size;
mq_update_stats(mp, mq);
hts_cond_signal(&mp->mp_backpressure);
if(mb->mb_data_type == MB_CTRL_UNBLOCK) {
assert(blocked);
blocked = 0;
} else if(ad->ad_mode == AUDIO_MODE_CODED &&
ac->ac_deliver_coded_locked != NULL &&
mb->mb_data_type == MB_AUDIO) {
ac->ac_deliver_coded_locked(ad, mb->mb_data, mb->mb_size,
mb->mb_pts, mb->mb_epoch);
} else {
hts_mutex_unlock(&mp->mp_mutex);
switch(mb->mb_data_type) {
case MB_AUDIO:
audio_process_audio(ad, mb);
break;
case MB_SET_PROP_STRING:
prop_set_string(mb->mb_prop, (void *)mb->mb_data);
break;
case MB_CTRL_SET_VOLUME_MULTIPLIER:
ad->ad_vol_scale = mb->mb_float;
if(ac->ac_set_volume != NULL)
ac->ac_set_volume(ad, ad->ad_vol_scale);
break;
case MB_CTRL_PAUSE:
ad->ad_paused = 1;
if(ac->ac_pause)
ac->ac_pause(ad);
break;
case MB_CTRL_PLAY:
ad->ad_paused = 0;
if(ac->ac_play)
ac->ac_play(ad);
break;
case MB_CTRL_FLUSH:
// Reset some error reporting filters
ad->ad_channel_layout_fail = 0;
ad->ad_sample_rate_fail = 0;
if(ac->ac_flush)
ac->ac_flush(ad);
ad->ad_pts = AV_NOPTS_VALUE;
if(mp->mp_seek_audio_done != NULL)
mp->mp_seek_audio_done(mp);
ad->ad_discontinuity = 1;
if(ad->ad_avr != NULL) {
avresample_read(ad->ad_avr, NULL, avresample_available(ad->ad_avr));
assert(avresample_available(ad->ad_avr) == 0);
}
break;
case MB_CTRL_EXIT:
run = 0;
break;
default:
abort();
}
hts_mutex_lock(&mp->mp_mutex);
}
media_buf_free_locked(mp, mb);
}
hts_mutex_unlock(&mp->mp_mutex);
if(ac->ac_fini != NULL)
ac->ac_fini(ad);
return NULL;
}
void *
audio_decode_thread(void *aux)
{
audio_decoder_t *ad = aux;
const audio_class_t *ac = ad->ad_ac;
int run = 1;
media_pipe_t *mp = ad->ad_mp;
media_queue_t *mq = &mp->mp_audio;
media_buf_t *mb;
int blocked = 0;
if(ac->ac_init != NULL)
ac->ac_init(ad);
hts_mutex_lock(&mp->mp_mutex);
while(run) {
int avail = ad->ad_avr != NULL ? avresample_available(ad->ad_avr) : 0;
media_buf_t *data = TAILQ_FIRST(&mq->mq_q_data);
media_buf_t *ctrl = TAILQ_FIRST(&mq->mq_q_ctrl);
if(avail >= ad->ad_tile_size && blocked == 0 && !ad->ad_paused) {
assert(avail != 0);
assert(ad->ad_avr != NULL);
int samples = MIN(ad->ad_tile_size, avail);
int r;
if(ac->ac_deliver_locked != NULL) {
r = ac->ac_deliver_locked(ad, samples, ad->ad_pts, ad->ad_epoch);
if(r) {
hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
continue;
}
ad->ad_pts = AV_NOPTS_VALUE;
continue;
} else {
hts_mutex_unlock(&mp->mp_mutex);
r = ac->ac_deliver_unlocked(ad, samples, ad->ad_pts, ad->ad_epoch);
hts_mutex_lock(&mp->mp_mutex);
}
if(r) {
blocked = 1;
continue;
} else {
ad->ad_pts = AV_NOPTS_VALUE;
}
continue;
}
if(ctrl != NULL) {
TAILQ_REMOVE(&mq->mq_q_ctrl, ctrl, mb_link);
mb = ctrl;
} else if(data != NULL && avail < 16384) {
TAILQ_REMOVE(&mq->mq_q_data, data, mb_link);
mb = data;
} else {
hts_cond_wait(&mq->mq_avail, &mp->mp_mutex);
continue;
}
mq->mq_packets_current--;
mp->mp_buffer_current -= mb->mb_size;
mq_update_stats(mp, mq);
hts_cond_signal(&mp->mp_backpressure);
if(mb->mb_data_type == MB_CTRL_UNBLOCK) {
assert(blocked);
blocked = 0;
} else {
hts_mutex_unlock(&mp->mp_mutex);
switch(mb->mb_data_type) {
case MB_AUDIO:
audio_process_audio(ad, mb);
break;
case MB_CTRL_PAUSE:
ad->ad_paused = 1;
if(ac->ac_pause)
ac->ac_pause(ad);
break;
case MB_CTRL_PLAY:
ad->ad_paused = 0;
if(ac->ac_play)
ac->ac_play(ad);
break;
case MB_CTRL_FLUSH:
if(ac->ac_flush)
ac->ac_flush(ad);
ad->ad_pts = AV_NOPTS_VALUE;
break;
case MB_CTRL_EXIT:
run = 0;
break;
default:
abort();
}
hts_mutex_lock(&mp->mp_mutex);
}
media_buf_free_locked(mp, mb);
}
hts_mutex_unlock(&mp->mp_mutex);
if(ac->ac_fini != NULL)
ac->ac_fini(ad);
return NULL;
}
