From c2cb01d418dd18e1cf997c038d37378d773121be Mon Sep 17 00:00:00 2001
From: Luca Barbato <lu_zero@gentoo.org>
Date: Wed, 3 Apr 2013 14:11:10 +0200
Subject: lavf: introduce AVFMT_TS_NEGATIVE

Most formats do not support negative timestamps, shift them to avoid
unexpected behaviour and a number of bad crashes.

CC:libav-stable@libav.org

Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---
 libavformat/framecrcenc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'libavformat/framecrcenc.c')

diff --git a/libavformat/framecrcenc.c b/libavformat/framecrcenc.c
index de6fa2b..fed0cca 100644
--- a/libavformat/framecrcenc.c
+++ b/libavformat/framecrcenc.c
@@ -43,5 +43,6 @@ AVOutputFormat ff_framecrc_muxer = {
     .video_codec       = AV_CODEC_ID_RAWVIDEO,
     .write_header      = ff_framehash_write_header,
     .write_packet      = framecrc_write_packet,
-    .flags             = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT,
+    .flags             = AVFMT_VARIABLE_FPS | AVFMT_TS_NONSTRICT |
+                         AVFMT_TS_NEGATIVE,
 };
-- 
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