lavf/srtdec: do not try to queue empty subtitle chunks.

Regression since 3af3a30. Fixes Ticket2167.
2013-01-27 20:25:21 +09:00 · 2013-01-27 20:25:21 +09:00 · f2b6aabd3d
commit f2b6aabd3d
parent 07a7145d89
1 changed files with 2 additions and 0 deletions
--- a/libavformat/srtdec.c
+++ b/libavformat/srtdec.c
@ -100,6 +100,8 @@ static int srt_read_header(AVFormatContext *s)
            pts = get_pts(&ptr, &duration, &x1, &y1, &x2, &y2);
            if (pts != AV_NOPTS_VALUE) {
                int len = buf.len - (ptr - buf.str);
+                if (len <= 0)
+                    continue;
                sub = ff_subtitles_queue_insert(&srt->q, ptr, len, 0);
                if (!sub) {
                    res = AVERROR(ENOMEM);