/* Filter configuration */
config_chain_t * p_cfg;
- 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 * );
/* Private structure for the owner of the decoder */
filter_owner_sys_t *p_owner;
*/
static inline picture_t *filter_NewPicture( filter_t *p_filter )
{
- picture_t *p_picture = p_filter->pf_vout_buffer_new( p_filter );
+ picture_t *p_picture = p_filter->pf_video_buffer_new( p_filter );
if( !p_picture )
msg_Warn( p_filter, "can't get output picture" );
return p_picture;
*/
static inline void filter_DeletePicture( filter_t *p_filter, picture_t *p_picture )
{
- p_filter->pf_vout_buffer_del( p_filter, p_picture );
+ p_filter->pf_video_buffer_del( p_filter, p_picture );
+}
+
+/**
+ * This function will flush the state of a video filter.
+ */
+static inline void filter_FlushPictures( filter_t *p_filter )
+{
+ if( p_filter->pf_video_flush )
+ p_filter->pf_video_flush( p_filter );
}
/**
return p_block;
}
+/**
+ * This function gives all input attachments at once.
+ *
+ * You MUST release the returned values
+ */
+static inline int filter_GetInputAttachments( filter_t *p_filter,
+ input_attachment_t ***ppp_attachment,
+ int *pi_attachment )
+{
+ if( !p_filter->pf_get_attachments )
+ return VLC_EGENERIC;
+ return p_filter->pf_get_attachments( p_filter,
+ ppp_attachment, pi_attachment );
+}
+
/**
* It creates a blend filter.
*
* 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 * ) );
-#define filter_chain_New( a, b, c, d, e, f ) __filter_chain_New( VLC_OBJECT( a ), b, c, d, e, f )
+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 )
/**
* Delete filter chain will delete all filters in the chain and free all
*/
VLC_EXPORT( picture_t *, filter_chain_VideoFilter, ( filter_chain_t *, picture_t * ) );
+/**
+ * Flush a video filter chain.
+ */
+VLC_EXPORT( void, filter_chain_VideoFlush, ( filter_chain_t * ) );
+
/**
* Apply the filter chain to a audio block.
*
*/
VLC_EXPORT( int, filter_chain_MouseFilter, ( filter_chain_t *, vlc_mouse_t *, const vlc_mouse_t * ) );
+/**
+ * Inform the filter chain of mouse state.
+ *
+ * It makes sense only for a sub filter chain.
+ */
+VLC_EXPORT( int, filter_chain_MouseEvent, ( filter_chain_t *, const vlc_mouse_t *, const video_format_t * ) );
+
#endif /* _VLC_FILTER_H */
projects / vlc / blobdiff