void
media_global_hold(int on, int flag)
{
int i;
int count;
media_pipe_t *mp;
hts_mutex_lock(&media_mutex);
count = num_media_pipelines;
media_pipe_t **mpv = alloca(count * sizeof(media_pipe_t *));
i = 0;
LIST_FOREACH(mp, &media_pipelines, mp_global_link)
mpv[i++] = mp_retain(mp);
hts_mutex_unlock(&media_mutex);
for(i = 0; i < count; i++) {
mp = mpv[i];
if(!(mp->mp_flags & MP_VIDEO))
continue;
if(on)
mp_hold(mp, flag, NULL);
else
mp_unhold(mp, flag);
mp_release(mp);
}
}
int
mp_lockmgr(void *ptr, lockmgr_op_t op)
{
media_pipe_t *mp = ptr;
switch(op) {
case LOCKMGR_UNLOCK:
hts_mutex_unlock(&mp->mp_mutex);
return 0;
case LOCKMGR_LOCK:
hts_mutex_lock(&mp->mp_mutex);
return 0;
case LOCKMGR_TRY:
return hts_mutex_trylock(&mp->mp_mutex);
case LOCKMGR_RETAIN:
atomic_inc(&mp->mp_refcount);
return 0;
case LOCKMGR_RELEASE:
mp_release(mp);
return 0;
}
abort();
}
void
mp_destroy(media_pipe_t *mp)
{
hts_mutex_lock(&media_mutex);
LIST_REMOVE(mp, mp_global_link);
num_media_pipelines--;
hts_mutex_unlock(&media_mutex);
mp_unbecome_primary(mp);
assert(mp->mp_sub_currenttime != NULL);
hts_mutex_lock(&mp->mp_mutex);
prop_unsubscribe(mp->mp_sub_currenttime);
prop_unsubscribe(mp->mp_sub_eventsink);
#if ENABLE_MEDIA_SETTINGS
mp_settings_clear(mp);
#endif
mp_track_mgr_destroy(&mp->mp_audio_track_mgr);
mp_track_mgr_destroy(&mp->mp_subtitle_track_mgr);
hts_mutex_unlock(&mp->mp_mutex);
mp_release(mp);
}
void
video_decoder_stop(video_decoder_t *vd)
{
media_pipe_t *mp = vd->vd_mp;
mp_send_cmd(mp, &mp->mp_video, MB_CTRL_EXIT);
hts_thread_join(&vd->vd_decoder_thread);
mp_release(vd->vd_mp);
vd->vd_mp = NULL;
}
static void
mp_unbecome_primary(media_pipe_t *mp)
{
hts_mutex_lock(&media_mutex);
assert(mp->mp_flags & MP_PRIMABLE);
if(media_primary == mp) {
/* We were primary */
prop_set_int(mp->mp_prop_primary, 0);
prop_unlink(media_prop_current);
media_primary = NULL;
mp_release(mp); // mp could be free'd here */
prop_unselect(media_prop_sources);
}
hts_mutex_unlock(&media_mutex);
}