892     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_setup()
925     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_is_changed()
943     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_ready()
980     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_get_size()
997     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_get_count()
1013     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_set_callback()
1033     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_get_unused()
1065     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_set_flag()
1086     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_clr_flag()
1114     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_enqueue()
1139     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_dequeue()
1174     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_set_prop()
1275     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_get_prop()
1329     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_reset()
1353     mpp_mutex_lock(&impl->lock);  in mpp_buf_slot_default_info()
1385     mpp_mutex_lock(&impl->lock);  in mpp_slots_is_empty()
1400     mpp_mutex_lock(&impl->lock);  in mpp_slots_get_used_count()
1416     mpp_mutex_lock(&impl->lock);  in mpp_slots_get_unused_count()
1432     mpp_mutex_lock(&impl->lock);  in mpp_slots_set_prop()
1513     mpp_mutex_lock(&impl->lock);  in mpp_slots_get_prop()