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

[Mike Martin]

Message: 4
Date: Thu, 17 May 2007 12:22:05 -0700 (PDT)
From: Trent Piepho <xyzzy at speakeasy.org>
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: <Pine.LNX.4.58.0705171211110.25294 at shell4.speakeasy.net>
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Thu, 17 May 2007, Luca Abeni wrote:
> Hi,
>
> Mike Martin wrote:
> [...]
> > As undocumented by beginning would it be
> >
> > Ffmpeg -tvstd -f video4linux2 -i /dev/video0 etc
> As per ffmpeg's manual, "-tvstd" wants a parameter:
>  > `-tvstd standard'
>  >    Set television standard (NTSC, PAL (SECAM)).
> So, try
> ./ffmpeg -tvstd PAL -f video4linux2 -i /dev/video0 ...
> (instead of "PAL", use the name of the video standard you want to set.
> It must be a video standard name recognised by the v4l2 driver)

For v4l2, valid formats are 'PAL-BG', 'SECAM-L', 'NTSC-M', etc.  Just
plain PAL or NTSC isn't enough.

It might be nice to make NTSC an alias for NTSC-M and PAL an alias for
PAL-BG.


please no - this would cause same issues as I originally reported.

for me running the above worked, but if PAL equates to a specific alias,
it would be difficult to track down for people in areas that are not
PAL-BG, eg: UK which is PAL-I which is me

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