* picture to be encoded. If at most one of them is > 0 then the picture aspect
* ratio will be kept.
*/
-VLC_EXPORT( int, picture_Export, ( vlc_object_t *p_obj, block_t **pp_image, video_format_t *p_fmt, picture_t *p_picture, vlc_fourcc_t i_format, int i_override_width, int i_override_height ) );
+VLC_EXPORT( int, picture_Export, ( vlc_object_t *p_obj, block_t **pp_image, video_format_t *p_fmt, picture_t *p_picture, vlc_fourcc_t i_format, unsigned i_override_width, unsigned i_override_height ) );
/**
* This function will setup all fields of a picture_t without allocating any