]> git.sesse.net Git - vlc/blobdiff - include/vlc_filter.h
Use var_Inherit* instead of var_CreateGet*.
[vlc] / include / vlc_filter.h
index dd5cc299cbf2e5d4f54097cb9672bbf572447fe5..ea24344e707c5bfa8827d317294056ecd6d52eee 100644 (file)
@@ -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
@@ -125,6 +127,11 @@ struct filter_t
 #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;
 };
@@ -158,6 +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
@@ -205,13 +221,28 @@ static inline block_t *filter_NewAudioBuffer( filter_t *p_filter, int i_size )
     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
@@ -270,7 +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 )
 
 /**
@@ -348,6 +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.
  *