From c02921417b24309559f4813f8ffee35d523e823e Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Fri, 12 May 2017 21:42:21 +0200
Subject: [PATCH] avfilter/aeval: free input frame on error

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavfilter/aeval.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavfilter/aeval.c b/libavfilter/aeval.c
index 42970f42e7..9800a60d50 100644
--- a/libavfilter/aeval.c
+++ b/libavfilter/aeval.c
@@ -429,8 +429,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
 
     /* do volume scaling in-place if input buffer is writable */
     out = ff_get_audio_buffer(outlink, nb_samples);
-    if (!out)
+    if (!out) {
+        av_frame_free(&in);
         return AVERROR(ENOMEM);
+    }
     av_frame_copy_props(out, in);
 
     t0 = TS2T(in->pts, inlink->time_base);