vlc_mutex_t picture_lock; /**< picture heap lock */
vlc_mutex_t subpicture_lock; /**< subpicture heap lock */
vlc_mutex_t change_lock; /**< thread change lock */
+ vlc_mutex_t vfilter_lock; /**< video filter2 change lock */
vout_sys_t * p_sys; /**< system output method */
/**@}*/