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-rw-r--r--libavformat/utils.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c
index e643821fc9..940703e87d 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -895,10 +895,11 @@ AVChapter *avpriv_new_chapter(AVFormatContext *s, int64_t id, AVRational time_ba
if (!s->nb_chapters) {
si->chapter_ids_monotonic = 1;
} else if (!si->chapter_ids_monotonic || s->chapters[s->nb_chapters-1]->id >= id) {
- si->chapter_ids_monotonic = 0;
for (unsigned i = 0; i < s->nb_chapters; i++)
if (s->chapters[i]->id == id)
chapter = s->chapters[i];
+ if (!chapter)
+ si->chapter_ids_monotonic = 0;
}
if (!chapter) {