> Hi Sander,
>
> Sander Sweers wrote:
>>
>> And you watch with mythtv again? Myth sets these values every-time it
>> starts recording. Try to use cat /dev/videoX > test.mpeg and play that.
>>
>
> No, usually I am using 'xine --post tvtime pvr:/'. Mythtv is not
> installed, and 'mplayer pvr://' doesn't work for me. For testing
> I did exactly what you had suggested.
>
>> I found another control that actually sets the aspect ratio.
>> v4l2-ctl --set-ctrl=video_aspect=2
>>
>
> This seems to be some horizontal stretch. The mpg video is
> 16:9, but the black bars at top and bottom are still there.
>
> I would like to switch off cropping instead.
The card always records the full screen, and this will include the black
bars if it is a widescreen transmission. Cropping is not supported in the
hardware, so you will have to crop it in the player instead.
It is possible to record whether the transmission was widescreen (it's
part of the VBI information), but I don't know if MythTV can do anything
with it.
If you have a PVR350 then, if you recorded the VBI info, you can play back
the mpeg and the widescreen information will be reproduced so you're TV
will adjust accordingly. I know this works for PAL, but I do not know
whether this also works for NTSC.
All this has nothing to do with the aspect setting in the MPEG stream: the
aspect is always 4x3.
Regards,
Hans
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