[vlc] how does mux=raw work?

[Gun Akkor]

Hello,

I am trying to capture video from a Video4Linux compatible 
card, and I would like to store the captured video 
"without" compression in a file. I tried:

vlc -vvv v4l:// :v4l-vdev="/dev/video0" :v4l-norm=1 --sout 
'#duplicate{dst=display, 
dst=std{access=file,mux=raw,dst="/tmp/test"}}'

VLC debug output shows me that the v4l demuxer grabs the 
video as "es RV24 352x288". The VLC seems to change the 
chroma values from RV24 352x288 -> YUY2 352x288 for 
display purposes. The video is displayed correctly, and 
the file is created without a problem.

However, I can not playback the resulting file. Because 
VLC assumes that the input container is either MPEG TS or 
MPEG PS. It realizes that something is wrong with the 
demux, but still keeps going.

Can anybody provide input on how to store captured video 
as-is in a file and display it later on using VLC?

Thanks in advance,
Gun

PS. I tried to use :demux=dump :demuxdump-file="/tmp/test" 
without success. But it is possible that I am doing 
something wrong.


Gun Akkor, Ph.D.
Engineering Department
Patton Electronics, Co.
Gaithersburg, MD 20879
(301) 975-1000
gakkor AT patton DOT com

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