all: Use av_frame_replace() where appropriate

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/libavfilter/vf_paletteuse.c b/libavfilter/vf_paletteuse.c
index 79d8fb2e51..bc767c508c 100644
--- a/libavfilter/vf_paletteuse.c
+++ b/libavfilter/vf_paletteuse.c
@@ -781,9 +781,8 @@ static int apply_palette(AVFilterLink *inlink, AVFrame *in, AVFrame **outf)
 
     set_processing_window(s->diff_mode, s->last_in, in,
                           s->last_out, out, &x, &y, &w, &h);
-    av_frame_unref(s->last_in);
     av_frame_unref(s->last_out);
-    if ((ret = av_frame_ref(s->last_in, in))       < 0 ||
+    if ((ret = av_frame_replace(s->last_in, in))   < 0 ||
         (ret = av_frame_ref(s->last_out, out))     < 0 ||
         (ret = ff_inlink_make_frame_writable(inlink, &s->last_in)) < 0) {
         av_frame_free(&out);