Re: libv4l: problem with 2x downscaling + Labtec Webcam 2200

["Németh Márton" <nm127@freemail.hu>]

Hello Hans,

Hans de Goede wrote:
> On 08/15/2009 08:53 AM, Németh Márton wrote:
>> I am using your libv4l 0.6.0 [1] together with the driver gspca_pac7311
>> from Linux kernel 2.6.31-rc4 and with Labtec Webcam 2200 hardware [2]. I
>> am using the svv.c [3] to display the webcam image.
>>
>> When I'm using the webcam in 640x480 the image is displayed correctly.
>> However, when I set the resolution to 320x240, the image is not correct:
>> the image contains horizontal lines and doubled vertically. I guess the
>> conversion from 640x480 is not done just the pixels are shown as it would
>> be 320x240.
> 
> This is a known problem in 0.6.0 fixed by this commit:
> http://linuxtv.org/hg/~hgoede/libv4l/rev/89fba654c7ea
> 
> You can get a snapshot of what will eventually
> (soonish) become 0.6.1 here:
> http://people.atrpms.net/~hdegoede/libv4l-0.6.1-test.tar.gz
> 
> Upgrading to this should fix your problems.

Thanks, the libv4l 0.6.1-test fixed the problem for me.

Regards,

	Márton Németh