[SCM] libav/experimental: Init SCR in mpeg muxer based on first DTS. This fixes issues if the first DTS is far away from 0.

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 9b272e327495dcb7110ea4c746adeda09765e099
Author: Michael Niedermayer <michaelni at gmx.at>
Date:   Thu Oct 7 00:32:22 2010 +0000

    Init SCR in mpeg muxer based on first DTS.
    This fixes issues if the first DTS is far away from 0.
    
    Originally committed as revision 25383 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c
index b37a774..f94b9fa 100644
--- a/libavformat/mpegenc.c
+++ b/libavformat/mpegenc.c
@@ -1160,6 +1160,8 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt)
 
     pts= pkt->pts;
     dts= pkt->dts;
+    if(!s->last_scr)
+        s->last_scr= dts;
 
     if(pts != AV_NOPTS_VALUE) pts += preload;
     if(dts != AV_NOPTS_VALUE) dts += preload;
diff --git a/tests/ref/lavf/mpg b/tests/ref/lavf/mpg
index 9b1664f..2f5b3a7 100644
--- a/tests/ref/lavf/mpg
+++ b/tests/ref/lavf/mpg
@@ -1,3 +1,3 @@
-e36a005ecca9add8bda6e0655d03716f *./tests/data/lavf/lavf.mpg
+eed66277633e53724e58e3fca2709f41 *./tests/data/lavf/lavf.mpg
 372736 ./tests/data/lavf/lavf.mpg
 ./tests/data/lavf/lavf.mpg CRC=0x2b39ed74

-- 
Libav/FFmpeg packaging