On Fri, Jan 27, 2006 at 01:57:29PM +0100, matthieu castet wrote:
> Hi,
>
> does somebody plan to submit a patch for pwc in kernel.org kernel that
> will :
> - remove decompressor stuff (pwc-uncompress*) and tables.
The kernel don't have support the decompressor. This is the current problem.
The driver is out of sync, and a lot of users can use their webcam in
640x480. If they are a pwc-uncompress.[ch] in the kernel, it's for copying
data from the iso-buffer to image buffer. For compatibility with v4l1, a
black border is present for size not supported by the hardware. Anything else
is already remove since one year.
> - use V4L2_PIX_FMT_PWCX formats
This is possible to add, and in my TODO list. I've plan to do this month, but
currently i'm trying to add support in various applications to be able to
uncompress the image. Now we have a library, a better one is on my laptop and
need to be release. The lastest snapshot fixed all bugs known (and an
important one).
> - update the driver with http://www.saillard.org/linux/pwc/ update
If i sync the driver to the kernel. User will need to use my driver because
no application have support the compressed format. If you think you can
change motion, gnomemeeting, camorama, mplayer, ffmpeg, xawtv, ... do it !
But the decompression can be done or not done in the kernel. Because without
the decompression you don't have any format useable.
Luc
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