---
libavformat/matroskaenc.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index e28ac42..c0427f9 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1140,10 +1140,13 @@ static int mkv_write_trailer(AVFormatContext *s)
}
if (pb->seekable) {
- cuespos = mkv_write_cues(pb, mkv->cues, s->nb_streams);
+ if (mkv->cues->num_entries) {
+ cuespos = mkv_write_cues(pb, mkv->cues, s->nb_streams);
+
+ ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_CUES,
cuespos);
+ if (ret < 0) return ret;
+ }
- ret = mkv_add_seekhead_entry(mkv->main_seekhead, MATROSKA_ID_CUES ,
cuespos);
- if (ret < 0) return ret;
mkv_write_seekhead(pb, mkv->main_seekhead);
// update the duration
--
1.7.4.1
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