ffmpeg | branch: master | Marton Balint <c...@passwd.hu> | Thu Oct  6 23:43:03 
2016 +0200| [24022402be4cf3311c673b9a9096081e263b91e2] | committer: Marton 
Balint

lavfi/metadata: fix metadata deletion if comparison returns false

Reviewed-by: Paul B Mahol <one...@gmail.com>
Signed-off-by: Marton Balint <c...@passwd.hu>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=24022402be4cf3311c673b9a9096081e263b91e2
---

 libavfilter/f_metadata.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/libavfilter/f_metadata.c b/libavfilter/f_metadata.c
index f4a929c..f2c71d9 100644
--- a/libavfilter/f_metadata.c
+++ b/libavfilter/f_metadata.c
@@ -330,9 +330,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame 
*frame)
     case METADATA_DELETE:
         if (!s->key) {
             av_dict_free(metadata);
-        } else if (e && e->value && s->value && s->compare(s, e->value, 
s->value)) {
-            av_dict_set(metadata, s->key, NULL, 0);
-        } else if (e && e->value) {
+        } else if (e && e->value && (!s->value || s->compare(s, e->value, 
s->value))) {
             av_dict_set(metadata, s->key, NULL, 0);
         }
         return ff_filter_frame(outlink, frame);

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