Also add a comment for clarifying the logic.
Fix trac ticket #1290.
int64_t end_pts = seg->recording_time * seg->number;
int ret;
- if ((seg->has_video && st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
+ /* if the segment has video, start a new segment *only* with a key video frame */
+ if ((st->codec->codec_type == AVMEDIA_TYPE_VIDEO || !seg->has_video) &&
av_compare_ts(pkt->pts, st->time_base,
end_pts, AV_TIME_BASE_Q) >= 0 &&
pkt->flags & AV_PKT_FLAG_KEY) {