- picture_t * ( * pf_video_filter ) ( filter_t *, picture_t * );
- block_t * ( * pf_audio_filter ) ( filter_t *, block_t * );
- void ( * pf_video_blend ) ( filter_t *,
- picture_t *, picture_t *,
- int, int, int );
-
- subpicture_t * ( *pf_sub_filter ) ( filter_t *, mtime_t );
- int ( *pf_render_text ) ( filter_t *, subpicture_region_t *,
- subpicture_region_t * );
- int ( *pf_render_html ) ( filter_t *, subpicture_region_t *,
- subpicture_region_t * );
+ union
+ {
+ picture_t * (*pf_video_filter) ( filter_t *, picture_t * );
+ block_t * (*pf_audio_filter) ( filter_t *, block_t * );
+ void (*pf_video_blend) ( filter_t *,
+ picture_t *, const picture_t *,
+ int, int, int );
+
+ subpicture_t * (*pf_sub_filter) ( filter_t *, mtime_t );
+ int (*pf_render_text) ( filter_t *, subpicture_region_t *,
+ subpicture_region_t * );
+ };
+ union
+ {
+ /* Filter mouse state.
+ *
+ * If non-NULL, you must convert from output format to input format:
+ * - If VLC_SUCCESS is returned, the mouse state is then propagated.
+ * - Otherwise, the mouse change is not propagated.
+ * If NULL, the mouse state is considered unchanged and will be
+ * propagated.
+ */
+ int (*pf_mouse)( filter_t *, vlc_mouse_t *,
+ const vlc_mouse_t *p_old,
+ const vlc_mouse_t *p_new );
+ int (*pf_render_html) ( filter_t *, subpicture_region_t *,
+ subpicture_region_t * );
+ };