int64_t chapterstart = av_rescale_q(c->start, c->time_base, scale);
int64_t chapterend = av_rescale_q(c->end, c->time_base, scale);
AVDictionaryEntry *t = NULL;
- if (chapterstart < 0 || chapterstart > chapterend)
+ if (chapterstart < 0 || chapterstart > chapterend || chapterend < 0) {
+ av_log(s, AV_LOG_ERROR, "Invalid chapter start (%"PRId64") or end (%"PRId64").\n",
+ chapterstart, chapterend);
return AVERROR_INVALIDDATA;
+ }
chapteratom = start_ebml_master(pb, MATROSKA_ID_CHAPTERATOM, 0);
put_ebml_uint(pb, MATROSKA_ID_CHAPTERUID, c->id + mkv->chapter_id_offset);