[mythtv-users] What resolution am I recording at?

John Drescher drescherjm at gmail.com
Tue Nov 20 14:52:30 UTC 2007

On Nov 20, 2007 9:18 AM, Brian Phillips <brian.phillips at gmx.net> wrote:
> I've got a question about the resolutions I'm making my recordings at.
> I set my mythtv frontend to record at 720x480 resolution.  I've got a
> mythdora 4 combined FE/BE, but the setting that I am talking about is on the
> frontend under setup>tv settings>recording profiles>mpeg2 encoder cards.
> I set my GNOME/X to run at 640x480.
> V4l2-ctl tells me that my encoder card is set for 480x480 output.
> I have a 4:3 television and was under the assumption that all my videos
> coming out are 720x480.  I realize now that's not a valid 4:3 resolution,
> but it really doesn't matter at this point because I'm not sure that setting
> affected much of anything.  I checked the mpg files produced by my hauppage
> pvr-500 and a single screenshot of them has a resolution of 640x480.
> So am I right in assuming that the resolution I'm recording at is 640x480?
> Why does v4l ctl tell me that my card is outputting 480x480?  Is my mythbox
> upconverting to make it 640x480?
Open a file in the shell with mplayer. The console output will tell
you the resolution of the file.


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