[arch-general] Sunplus (Philips) webcam problem

Sergey Manucharian sergeym at rmico.com
Sun Oct 26 10:07:05 EDT 2008


On Sun, 26 Oct 2008 11:40:45 +0100
Thomas Bächler <thomas at archlinux.org> wrote:
...
> What do you mean be "works incorrectly"? The new gspca drivers
> only support v4l2 and don't do conversion in the driver. 
Well, indeed with v4l driver the mplayer shows a messed image with
swapped lines and weird colors, but it fails at all with v4l2:

Playing tv://.
TV file format detected.
Selected driver: v4l2
 name: Video 4 Linux 2 input
 author: Martin Olschewski <olschewski at zpr.uni-koeln.de>
 comment: first try, more to come ;-)
Selected device: Generic Digital camera
 Capabilites:  video capture  read/write  streaming
 supported norms:
 inputs: 0 = spca561;
 Current input: 0
 Current format: unknown (0x47524247)
tv.c: norm_from_string(NTSC): Bogus norm parameter, setting default.
v4l2: ioctl enum norm failed: Invalid argument
Error: Cannot set norm!
Selected input hasn't got a tuner!
v4l2: ioctl set mute failed: Invalid argument
v4l2: ioctl query control failed: Invalid argument
v4l2: ioctl query control failed: Invalid argument
==========================================================================
Cannot find codec matching selected -vo and video format 0x47524247.
Read DOCS/HTML/en/codecs.html!
==========================================================================
v4l2: ioctl set mute failed: Invalid argument
v4l2: 0 frames successfully processed, 0 frames dropped.

> You need libv4l
> to do that (either built into your application or as LD_PRELOAD
> wrapper). I was going to upload that package to extra just now, but
> the server with the source tarball is unavailable right now.

Ok, I'll try libv4l, thanks!

Cheers,
Sergey




More information about the arch-general mailing list