[FFmpeg-devel] Issue with Capture between SVN -r8222 and SVN -r8634

[Nikns Siankin]

On Thu, May 17, 2007 at 10:45:34AM +0100, Mike Martin wrote:
>Message: 10
>Date: Wed, 16 May 2007 15:08:32 +0200
>From: Luca Abeni <lucabe72 at email.it>
>Subject: Re: [FFmpeg-devel] Issue with Capture between SVN -r8222 and
>	SVN -r8634
>To: FFmpeg development discussions and patches
>	<ffmpeg-devel at mplayerhq.hu>
>Message-ID: <464B0250.7040109 at email.it>
>Content-Type: text/plain; charset="iso-8859-1"
>
>Hi,
>
>Mike Martin wrote:
>> An issue seems to have occurred with the v4l capture code between
>these
>> revisions (and still exiists as of yesterday)
>> 
>> When ffmpeg starts encoding it resets the following values
>> 
>> Norm NTSC
>> Input Television
>Can you try the "-tvstd" and "-vc" options to set the desired video 
>standard and input?
>
>Also, the attached patch should restore the previous ffmpeg defaults. 
>Can you try it (the patch must be applied over the sources from current 
>svn)? I had to post these patches last week, but I got distracted by 
>other issues... Sorry.
>
>Let me know if there are problems with "-tvstd" and "-vc", and if the 
>attached patch works.
>
>	Thanks,
>				Luca
>
>Will try patch when I get home.
>
>Tried -tvstd - had no effect
make sure you set -tvstd in the BEGINNING in command line.
this is some stupid undocumented behaviour, that isn't self
intuitive for normal users. 



>
>Didn't try -vc because
>
>
>`-vc channel' 
>Set video grab channel (DV1394 only). 	
>
>(from manpage)
>
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