if( NULL == ( p_filter->p_sys->event_info.p_region =
(video_filter_region_info_t *)malloc(faces->total*sizeof(video_filter_region_info_t))))
{
if( NULL == ( p_filter->p_sys->event_info.p_region =
(video_filter_region_info_t *)malloc(faces->total*sizeof(video_filter_region_info_t))))
{