X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=include%2Fvlc_filter.h;h=ea24344e707c5bfa8827d317294056ecd6d52eee;hb=12ade3e3bc975d5426ba4af155b7372c31093b31;hp=73fb360b7547a942c48e72c218a6a83fb79f1aed;hpb=a5c73d38fa4744962e5fee55abcd56b8237e6c08;p=vlc

diff --git a/include/vlc_filter.h b/include/vlc_filter.h
index 73fb360b75..ea24344e70 100644
--- a/include/vlc_filter.h
+++ b/include/vlc_filter.h
@@ -65,6 +65,7 @@ struct filter_t
         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.
@@ -80,6 +81,7 @@ struct filter_t
                                      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
@@ -163,6 +165,15 @@ static inline void filter_DeletePicture( filter_t *p_filter, picture_t *p_pictur
     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 );
+}
+
 /**
  * This function will return a new subpicture usable by p_filter as an output
  * buffer. You have to release it using filter_DeleteSubpicture or by returning
@@ -231,7 +242,7 @@ static inline int filter_GetInputAttachments( filter_t *p_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
@@ -290,7 +301,7 @@ typedef struct filter_chain_t filter_chain_t;
  * \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 )
 
 /**
@@ -368,6 +379,11 @@ VLC_EXPORT( const es_format_t *, filter_chain_GetFmtOut, ( filter_chain_t * ) );
  */
 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.
  *