avfilter/vf_perspective: Free out AVFrame on error

Fixes memleak
Fixes part of CID1197065

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

diff --git a/libavfilter/vf_perspective.c b/libavfilter/vf_perspective.c
index d590cfa48d7b026a2eaac4cd7fc4dafb22d68008..92495097cc5515994a344be2a0558073c5293227 100644 (file)
--- a/libavfilter/vf_perspective.c
+++ b/libavfilter/vf_perspective.c
@@ -463,6 +463,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
 
     if (s->eval_mode == EVAL_MODE_FRAME) {
         if ((ret = calc_persp_luts(ctx, inlink)) < 0) {
+            av_frame_free(&out);
             return ret;
         }
     }