[MPlayer-dev-eng] [BUG] DVB/MPEG-TS problems now reproducable

David Kühling dvdkhlng at gmx.de
Fri Aug 29 16:28:56 CEST 2003

I just uploaded files to ftp.mplayerhq.hu/MPlayer/incoming 
that allow an (almost) time-exact replay of the DVB stream 
which I'm receiving here in Berlin. 
Download ftp.mplayerhq.hu/MPlayer/incoming/frozenstream.tgz, 
extract and compile. 
Download dvbt-berlin.mpg and dvbt-berlin.ti. 
Reproduce the stream: 
./frozenstream play dvbt-berlin.mpg dvbt-berlin.ti \ 
   | mplayer - 
This shows exactly the same A/V sync misbehaviour which I 
see when playing directly from DVB.  If you replay with  
-cache 4096  or -nosound, everything should work right. 
The stream recording works by storing information about how 
many bytes were available at which point in time to a file 
(eg dvbt-berlin.ti) while recording from 
/dev/dvb/adapter0/dvr0.  Those information are used on  
playback (`frozenstream play') to make sure that at any of 
those time-points exactly the same amount of data was send 
to stdout. 
Maybe somebody with more knowledge of MPlayer's demuxer can 
now have a look at it? 

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