lavfi: add avfilter_get_video_buffer_ref_from_frame to avcodec.h

Simplify passing AVFrame data to av_vsrc_buffer_add_video_buffer_ref().

1 files changed, 13 insertions, 0 deletions

diff --git a/libavfilter/avcodec.c b/libavfilter/avcodec.c
index c2f8651106..50670bc55e 100644
--- a/libavfilter/avcodec.c
+++ b/libavfilter/avcodec.c
@@ -40,3 +40,16 @@ void avfilter_copy_frame_props(AVFilterBufferRef *dst, const AVFrame *src)
         dst->video->pict_type           = src->pict_type;
     }
 }
+
+AVFilterBufferRef *avfilter_get_video_buffer_ref_from_frame(const AVFrame *frame,
+                                                            int perms)
+{
+    AVFilterBufferRef *picref =
+        avfilter_get_video_buffer_ref_from_arrays(frame->data, frame->linesize, perms,
+                                                  frame->width, frame->height,
+                                                  frame->format);
+    if (!picref)
+        return NULL;
+    avfilter_copy_frame_props(picref, frame);
+    return picref;
+}