[vlc] VLC 1.1.11 does not seem to switch to correct standard on capture device

Eike Lantzsch zp6cge at gmx.net
Thu Sep 15 21:36:50 CEST 2011


Hi y'all:

I want to copy VHS tapes from my video recorder to my computer using a Prolink 
Pixelview MPEG 8000GT video grabber card (it's a cheap one with cx88xx).
The VHS recorder is NTSC/PAL-N, the grabber card is supposed to be NTSC and 
PAL-N too.
However when I try to use VLC (ver. 1.1.11) and connect to the Video for Linux 
I only get static. So I changed ~/.config/vlc/vlcrc to 

# Input (integer)                                                                                         
v4l2-input=1                                                                                              
 
which captures video from the composite input.

Only the standard does not match.
Switching the standard to NTSC in the "Open Media" dialog does not change 
anything - still B&W and bad sync.

Setting
# Standard (integer)                                                                                      
v4l2-standard=0                                                                                           

behaves very awkwardly. It seems that only values like 
1,2,4,8,16,32,64,128,256,512,1024 and so on seem to set anything else than 
default. With 16384 I get NTSC_443 which isn't right either.

But whichever value is in there the picture never gets into any sync nor does 
it display color.

I however managed to set up TVtime to display NTSC video from composite1 
correctly - only it doesn't allow me to record to disk. VLC supposedly can do 
this but it is of no use if the video standard cannot be adjusted.

Is this a bug of VLC or a bug of the v4l2 driver?
                
This is on Debian Wheezy with KDE 4.6.5
 
Any hints to troubleshoot this are welcome.

Thx

-- 
Eike Lantzsch ZP6CGE




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