Qt4: fix #3872

[vlc] / include / vlc_filter.h

diff --git a/include/vlc_filter.h b/include/vlc_filter.h
index dd5cc299cbf2e5d4f54097cb9672bbf572447fe5..c4d520024a070efeb6e51083672fa8e23baea477 100644 (file)
--- a/include/vlc_filter.h
+++ b/include/vlc_filter.h
@@ -125,6 +125,11 @@ 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;
 };
@@ -205,13 +210,28 @@ 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 +290,7 @@ 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 )
 
 /**