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/audio/filter/af_lavfi.c b/audio/filter/af_lavfi.c
index c072fdcb9a..55fb7cb0dc 100644
--- a/audio/filter/af_lavfi.c
+++ b/audio/filter/af_lavfi.c
@@ -246,7 +246,7 @@ static int control(struct af_instance *af, int cmd, void *arg)
 
 static void get_metadata_from_av_frame(struct af_instance *af, AVFrame *frame)
 {
-#if HAVE_AVFRAME_METADATA
+#if LIBAVUTIL_VERSION_MICRO >= 100
     struct priv *p = af->priv;
     if (!p->metadata)
         p->metadata = talloc_zero(p, struct mp_tags);