* Only the chroma properties of the dest format is used (chroma
* type, rgb masks and shifts)
*/
-VLC_EXPORT( filter_t *, filter_NewBlend, ( vlc_object_t *, const video_format_t *p_dst_chroma ) );
+VLC_EXPORT( filter_t *, filter_NewBlend, ( vlc_object_t *, const video_format_t *p_dst_chroma ) LIBVLC_USED );
/**
* It configures blend filter parameters that are allowed to changed
* \param p_buffer_allocation_data pointer to private allocation data
* \return pointer to a filter chain
*/
-VLC_EXPORT( filter_chain_t *, filter_chain_New, ( vlc_object_t *, const char *, bool, int (*)( filter_t *, void * ), void (*)( filter_t * ), void * ) );
+VLC_EXPORT( filter_chain_t *, filter_chain_New, ( vlc_object_t *, const char *, bool, int (*)( filter_t *, void * ), void (*)( filter_t * ), void * ) LIBVLC_USED );
#define filter_chain_New( a, b, c, d, e, f ) filter_chain_New( VLC_OBJECT( a ), b, c, d, e, f )
/**