Date: Mon, 12 Sep 2011 21:44:28 +0300 From: Eugene Dzhurinsky <jdevelop@gmail.com> To: Hans Petter Selasky <hselasky@c2i.net> Cc: freebsd-multimedia@freebsd.org Subject: Re: Web camera stream is flipped upsidedown Message-ID: <20110912184425.GA19004@localhost> In-Reply-To: <201109102018.27015.hselasky@c2i.net> References: <201109080943.51981.hselasky@c2i.net> <201109091259.11041.hselasky@c2i.net> <CABsE2Po2u5in887KxD%2ByHMh4yttNHt-zRF--yrFcxq8tA=1oeg@mail.gmail.com> <201109102018.27015.hselasky@c2i.net>
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On Sat, Sep 10, 2011 at 08:18:26PM +0200, Hans Petter Selasky wrote:
> Hi,
>=20
> I tried the patching over here:
>=20
> cd /usr/local/
> cat videodev2.h.patch | patch -p1
>=20
> cd /usr/port/multimedia/libv4l
> make patch extract
> cd work/v4l-utils-0.8.4
> cat libv4l.patch | patch -p1
> cd ..
> cd ..
>=20
> make all deinstall install clean
Well, I'm not sure how it can work. According to the patches:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
#ifdef __FreeBSD__
static void v4lcontrol_get_dmi_string(const char *string, char *buf, int si=
ze)
{
/* TODO */
memset(buf, 0, size);
}
#else
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
then
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
/* Get DMI board and system strings */
v4lcontrol_get_dmi_string("sys_vendor", dmi_system_vendor,
sizeof(dmi_system_vendor));
v4lcontrol_get_dmi_string("product_name", dmi_system_name,
sizeof(dmi_system_name));
v4lcontrol_get_dmi_string("product_version", dmi_system_version,
sizeof(dmi_system_version));
v4lcontrol_get_dmi_string("board_vendor", dmi_board_vendor,
sizeof(dmi_board_vendor));
v4lcontrol_get_dmi_string("board_name", dmi_board_name,
sizeof(dmi_board_name));
v4lcontrol_get_dmi_string("board_version", dmi_board_version,
sizeof(dmi_board_version));
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
and then in this scary block of checking passed configurations against the
database of video flags:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
if (v4lcontrol_flags[i].vendor_id =3D=3D vendor_id &&
v4lcontrol_flags[i].product_id =3D=3D
(product_id & ~v4lcontrol_flags[i].product_mask) &&
(v4lcontrol_flags[i].dmi_system_vendor =3D=3D NULL ||
!strcmp(v4lcontrol_flags[i].dmi_system_vendor, dmi_system_vendor)) &&
(v4lcontrol_flags[i].dmi_system_name =3D=3D NULL ||
!strcmp(v4lcontrol_flags[i].dmi_system_name, dmi_system_name)) &&
(v4lcontrol_flags[i].dmi_system_version =3D=3D NULL ||
!strcmp(v4lcontrol_flags[i].dmi_system_version, dmi_system_version)) &&
(v4lcontrol_flags[i].dmi_board_vendor =3D=3D NULL ||
!strcmp(v4lcontrol_flags[i].dmi_board_vendor, dmi_board_vendor)) &&
(v4lcontrol_flags[i].dmi_board_name =3D=3D NULL ||
!strcmp(v4lcontrol_flags[i].dmi_board_name, dmi_board_name)) &&
(v4lcontrol_flags[i].dmi_board_version =3D=3D NULL ||
!strcmp(v4lcontrol_flags[i].dmi_board_version, dmi_board_version))) {
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D
it looks like because any DMI information string is always set to NULL, then
the check for vendor names/versions/etc will always fail, so no specific fl=
ags
would be applied.
Am I understanding something in wrong way? Please advice.
--=20
Eugene N Dzhurinsky
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