Le mercredi 19 mars 2008 à 14:11 +0100, Matthias Apitz a écrit :
> El día Wednesday, March 19, 2008 a las 01:51:45PM +0100, Damien Sandras
> escribió:
>
> >
> > Le mercredi 19 mars 2008 à 13:09 +0100, Matthias Apitz a écrit :
> > > El día Wednesday, March 19, 2008 a las 11:48:00AM +0100, Matthias Apitz
> > > escribió:
> > >
> > > > What is on Linux the major and minor number of the device file for the
> > > > cam? on FreeBSD it is:
> > > >
> > > > $ ls -l /dev/video0
> > > > crw-rw-rw- 1 root operator 0, 146 19 mar 09:02 /dev/video0
> > > >
> > > > it seems that the algorithm in vidinput_v4l.cxx depends on minor
> > > > numbers below 63 in void V4LNames::ReadDeviceDirectory()
> > > >
> > > > see also the CVS comment:
> > > >
> > > > * Revision 1.3 2003/11/25 22:55:13 dsandras
> > > > * Added fallback using major and minor numbers for detection of devices
> > > > * when /proc/video doesn't exist
> > > > (some 2.4 kernels and all 2.6 kernels).
> > >
> > > Yes, it is an issue of major/minor numbers which are diffrent in Linux
> > > and FreeBSD vor the cam; with this small change:
> > >
> > > # pwd
> > > /usr/ports/devel/pwlib/work/pwlib_Phobos_release2/plugins/vidinput_v4l
> > > # diff vidinput_v4l.cxx*
> > > 462,464c462
> > > < // static const int deviceNumbers[] = { 81 };
> > > < // for FreeBSD's pwc driver the major number is 0 and minor
> > > is 146
> > > < static const int deviceNumbers[] = { 0 };
> > > ---
> > > > static const int deviceNumbers[] = { 81 };
> > > 468,469c466
> > > < // if (num <= 63 && num >= 0) {
> > > < if (num <= 146 && num >= 146) {
> > > ---
> > > > if (num <= 63 && num >= 0) {
> > >
> > > the driver attaches without any problem; to whom to talk about get this
> > > integrated into pwlib?
> >
> > Mail me the patch, I will commit it to trunk.
> > Isn't the patch also needed for vidinput_v4l2 ?
>
> Yes, the same hardcode major/minor number is in vidinput_names.cxx for
> vidinput_v4l2;
>
> concerning a patch, I can't provide a common solution which works on
> Linux and FreeBSD because I'm not a C++ programmer; I only could hack
> the code as shown above so that it will work in FreeBSD; maybe Steve
> should just put this into a patch file for the /usr/ports/devel/pwlib in
> the FreeBSD ports tree; Steve?
>
And contribute it back to us, otherwise we can not commit it...
--
_ Damien Sandras
(o-
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