avformat/subtitles: check lower bound for duration overlap seeking.

(cherry picked from commit 1ca4bf930b)
This commit is contained in:
Clément Bœsch
2013-09-08 09:55:02 +02:00
parent 4e0c29451b
commit 283e070877

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@@ -120,10 +120,11 @@ int ff_subtitles_queue_seek(FFDemuxSubtitlesQueue *q, AVFormatContext *s, int st
/* look back in the latest subtitles for overlapping subtitles */
ts_selected = q->subs[idx].pts;
for (i = idx - 1; i >= 0; i--) {
int64_t pts = q->subs[i].pts;
if (q->subs[i].duration <= 0 ||
(stream_index != -1 && q->subs[i].stream_index != stream_index))
continue;
if (q->subs[i].pts > ts_selected - q->subs[i].duration)
if (pts >= min_ts && pts > ts_selected - q->subs[i].duration)
idx = i;
else
break;