[PATCH 0/8] Port xf86-video-v4l driver to V4L2 version 2

[Alex Deucher]

On Fri, Feb 11, 2011 at 10:54 AM, Mauro Carvalho Chehab
<mchehab at redhat.com> wrote:
> This is the second version of my backport patches. To avoid spending
> people's time on looking at lines that have only whitespace changes,
> I broke the patch I submitted two days ago into two patches:
> the first one with just the logical changes, and the second one with
> just CodingStyle (whitespace) fixes.

Mauro,  I don't think anyone has maintained or used the v4l module in
ages.  You could be the new maintainer :)
Or at least have commit rights.  Just follow the instructions here:
http://www.freedesktop.org/wiki/AccountRequests

Alex

>
> Reworking on a driver with whitespace and identation problems is hard,
> as it makes harder for people to work with the source code.
>
> So, the first two patches have basically the same content as the patch
> I submitted earlier[1].
>
> [1] http://lists.x.org/archives/xorg-devel/2011-February/019042.html
>
> The fix patch I submited for xserver is still needed[2], otherwise
> loading the v4l driver with a video driver that doesn't support overlay
> will cause a server crash.
>
> [2] http://lists.x.org/archives/xorg-devel/2011-February/019048.html
>
> The remaining patches on this series fix some bugs found on the tests
> I made with:
>        1) a Nvidia FX5200 and the nv driver, and a bttv Encore FM board;
>        2) a Nvidia 6600 and nouveau driver, and a Kworld SBTV-D board
>          (to test it on an environment where Xv overlay is not available).
> And by some tests made by Dmitry Butskoy with a bttv AVerMedia TVPhone98
> board, with a Radeon RV100, using an old version of the Radeon driver.
>
> As I said before, the intention now is to port it to work with textured
> video. Help is wanted to point us how to use a textured video from the
> v4l driver.
>
> To make easier for people to test and review, the same patches are also
> available on a git repository at:
>        http://git.linuxtv.org/mchehab/xf86-video-v4l.git
>
> PS.: I'm c/c just this  message to the media devel ML, for people there
>     to be aware of the changes. There's not much sense to submit the
>     remaining patches there.
>
> Mauro Carvalho Chehab (8):
>  Port xf86-video-v4l driver to V4L2
>  Coding style Cleanup
>  Use the fourcc header instead of redefining it inside the code
>  Fix Get/Set Port Attribute logic
>  Return BadMatch if a Port Attribute is not found
>  Provide a more consistent message if FBUF fails
>  Fix arguments for v4l_check_yuv
>  Fix standard video size detection
>
>  src/v4l.c       | 1549 ++++++++++++++++++++++++++-------------------
>  src/videodev.h  |  254 --------
>  src/videodev2.h | 1929 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 2831 insertions(+), 901 deletions(-)
>  delete mode 100644 src/videodev.h
>  create mode 100644 src/videodev2.h
>
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