build: replace some FFmpeg API checks with version checks

The FFmpeg versions we support all have the APIs we were checking for.
Only Libav missed them. Simplify this by explicitly checking for FFmpeg
in the code, instead of trying to detect the presence of the API.

1 files changed, 1 insertions, 1 deletions

diff --git a/video/filter/vf_lavfi.c b/video/filter/vf_lavfi.c
index 2f4bc92ecc..e28d7fbb6f 100644
--- a/video/filter/vf_lavfi.c
+++ b/video/filter/vf_lavfi.c
@@ -287,7 +287,7 @@ static struct mp_image *av_to_mp(struct vf_instance *vf, AVFrame *av_frame)
 
 static void get_metadata_from_av_frame(struct vf_instance *vf, AVFrame *frame)
 {
-#if HAVE_AVFRAME_METADATA
+#if LIBAVUTIL_VERSION_MICRO >= 100
     struct vf_priv_s *p = vf->priv;
     if (!p->metadata)
         p->metadata = talloc_zero(p, struct mp_tags);