[FFmpeg-cvslog] ffplay: disallow seeking before the start of the file

[Marton Balint]

ffmpeg | branch: master | Marton Balint <cus at passwd.hu> | Fri Nov 23 00:22:35 2012 +0100| [fc38bbcd6ab3cbb137ba64d3ec0c560d63b194cf] | committer: Marton Balint

ffplay: disallow seeking before the start of the file

In timestamp based seeking we update the external clock to the seek target,
therefore we should use sane timestamps even if libavformat could handle
seeking before the start of the file.

Signed-off-by: Marton Balint <cus at passwd.hu>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fc38bbcd6ab3cbb137ba64d3ec0c560d63b194cf
---

 ffplay.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/ffplay.c b/ffplay.c
index 5ba5164..c5ad70f 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -2984,6 +2984,8 @@ static void event_loop(VideoState *cur_stream)
                     } else {
                         pos = get_master_clock(cur_stream);
                         pos += incr;
+                        if (cur_stream->ic->start_time != AV_NOPTS_VALUE && pos < cur_stream->ic->start_time / (double)AV_TIME_BASE)
+                            pos = cur_stream->ic->start_time / (double)AV_TIME_BASE;
                         stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), (int64_t)(incr * AV_TIME_BASE), 0);
                     }
                 break;