[libav-stable] asfenc: return error on negative timestamp

Luca Barbato git at libav.org
Mon Mar 18 11:23:07 CET 2013


Module: libav
Branch: master
Commit: d1bec33b46091546c5b2e6815210e73f87abf413

Author:    Luca Barbato <lu_zero at gentoo.org>
Committer: Luca Barbato <lu_zero at gentoo.org>
Date:      Sun Mar 17 15:13:43 2013 +0100

asfenc: return error on negative timestamp

According to the specification the timestamp is represented by a 32bit
unsigned.

CC: libav-stable at libav.org

---

 libavformat/asfenc.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/libavformat/asfenc.c b/libavformat/asfenc.c
index a523b3a..6112d3f 100644
--- a/libavformat/asfenc.c
+++ b/libavformat/asfenc.c
@@ -774,6 +774,14 @@ static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
         flags &= ~AV_PKT_FLAG_KEY;
 
     pts = (pkt->pts != AV_NOPTS_VALUE) ? pkt->pts : pkt->dts;
+
+    if (pts < 0) {
+        av_log(s, AV_LOG_ERROR,
+               "Negative dts not supported stream %d, dts %"PRId64"\n",
+               pkt->stream_index, pts);
+        return AVERROR(ENOSYS);
+    }
+
     assert(pts != AV_NOPTS_VALUE);
     duration      = pts * 10000;
     asf->duration = FFMAX(asf->duration, duration + pkt->duration * 10000);



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