- 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 * );
- int ( *pf_render_html ) ( filter_t *, subpicture_region_t *,
- subpicture_region_t * );
-
- /* 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.
- * If NULL, the mouse state is considered unchanged and will be
- * propagated.
- *
- * If VLC_SUCCESS is not returned, the mouse changes are not propagated.
- */
- int ( *pf_mouse )( filter_t *, vlc_mouse_t *,
- const vlc_mouse_t *p_old,
- const vlc_mouse_t *p_new );
- /*
- * Buffers allocation
- */
-
- /* Audio output callbacks */
- block_t * ( * pf_audio_buffer_new) ( filter_t *, int );
-
- /* Video output callbacks */
- picture_t * ( * pf_vout_buffer_new) ( filter_t * );
- void ( * pf_vout_buffer_del) ( filter_t *, picture_t * );
- /* void ( * pf_picture_link) ( picture_t * );
- void ( * pf_picture_unlink) ( picture_t * ); */
-
- /* SPU output callbacks */
- subpicture_t * ( * pf_sub_buffer_new) ( filter_t * );
- void ( * pf_sub_buffer_del) ( filter_t *, subpicture_t * );
+ union
+ {
+ struct
+ {
+ picture_t * (*pf_filter) ( filter_t *, picture_t * );
+ void (*pf_flush)( filter_t * );
+ picture_t * (*pf_buffer_new) ( filter_t * );
+ void (*pf_buffer_del) ( filter_t *, picture_t * );
+ /* Filter mouse state.
+ *
+ * If non-NULL, you must convert from output to input formats:
+ * - If VLC_SUCCESS is returned, the mouse state is 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 );
+ } video;
+#define pf_video_filter u.video.pf_filter
+#define pf_video_flush u.video.pf_flush
+#define pf_video_mouse u.video.pf_mouse
+#define pf_video_buffer_new u.video.pf_buffer_new
+#define pf_video_buffer_del u.video.pf_buffer_del
+
+ struct
+ {
+ block_t * (*pf_filter) ( filter_t *, block_t * );
+ block_t * (*pf_buffer_new) ( filter_t *, int );
+ } audio;
+#define pf_audio_filter u.audio.pf_filter
+#define pf_audio_buffer_new u.audio.pf_buffer_new
+
+ struct
+ {
+ void (*pf_blend) ( filter_t *, picture_t *,
+ const picture_t *, int, int, int );
+ } blend;
+#define pf_video_blend u.blend.pf_blend
+
+ struct
+ {
+ subpicture_t * (*pf_filter) ( filter_t *, mtime_t );
+ subpicture_t * (*pf_buffer_new)( filter_t * );
+ void (*pf_buffer_del)( filter_t *, subpicture_t * );
+ int (*pf_mouse) ( filter_t *,
+ const vlc_mouse_t *p_old,
+ const vlc_mouse_t *p_new,
+ const video_format_t * );
+ } sub;
+#define pf_sub_filter u.sub.pf_filter
+#define pf_sub_buffer_new u.sub.pf_buffer_new
+#define pf_sub_buffer_del u.sub.pf_buffer_del
+#define pf_sub_mouse u.sub.pf_mouse
+
+ struct
+ {
+ int (*pf_text) ( filter_t *, subpicture_region_t *,
+ subpicture_region_t * );
+ int (*pf_html) ( filter_t *, subpicture_region_t *,
+ subpicture_region_t * );
+ } render;
+#define pf_render_text u.render.pf_text
+#define pf_render_html u.render.pf_html
+
+ } u;
+
+ /* Input attachments
+ * XXX use filter_GetInputAttachments */
+ int (*pf_get_attachments)( filter_t *, input_attachment_t ***, int * );