lavfi: make avfilter_get_video_buffer() private on next bump.

They are only useful inside filters and we don't allow user filters for
now.

1 files changed, 14 insertions, 0 deletions

diff --git a/libavfilter/video.h b/libavfilter/video.h
index 7c9f9a0d28..ce4e9c2992 100644
--- a/libavfilter/video.h
+++ b/libavfilter/video.h
@@ -25,6 +25,20 @@ AVFilterBufferRef *ff_default_get_video_buffer(AVFilterLink *link,
                                                int perms, int w, int h);
 AVFilterBufferRef *ff_null_get_video_buffer(AVFilterLink *link, int perms, int w, int h);
 
+/**
+ * Request a picture buffer with a specific set of permissions.
+ *
+ * @param link  the output link to the filter from which the buffer will
+ *              be requested
+ * @param perms the required access permissions
+ * @param w     the minimum width of the buffer to allocate
+ * @param h     the minimum height of the buffer to allocate
+ * @return      A reference to the buffer. This must be unreferenced with
+ *              avfilter_unref_buffer when you are finished with it.
+ */
+AVFilterBufferRef *ff_get_video_buffer(AVFilterLink *link, int perms,
+                                       int w, int h);
+
 void ff_null_start_frame(AVFilterLink *link, AVFilterBufferRef *picref);
 void ff_null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir);
 void ff_null_end_frame(AVFilterLink *link);