Date: Fri, 22 Jan 2010 01:55:28 +0100 From: Christof Schulze <christof.schulze@gmx.com> To: freebsd-current@freebsd.org Subject: Re: [FreeBSD 8/9] USB webcamd and video4bsd: Call for testing Message-ID: <201001220155.34784.christof.schulze@gmx.com> In-Reply-To: <201001101437.37269.hselasky@c2i.net> References: <201001101437.37269.hselasky@c2i.net>
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--nextPart1275263.eOSmHdpN40 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello, I am unsure whether I missed anything so here is what I did csup to 8_RELENG rebuild kernel & world portmanager webcamd (which built video4bsd also) kldload video4bsd webcamd webcamd -d ugen0.2 -i 0 -v 0 but I get Cannot open /dev/video_daemonX. Did you kldload video4bsd? this is the relevant part from dmesg: video4bsd: /dev/video0..9, /dev/video_daemon0..9 ugen0.2: <vendor 0x046d> at usbus0 (disconnected) uaudio0: at uhub0, port 2, addr 2 (disconnected) pcm2: detached ugen0.2: <vendor 0x046d> at usbus0 uaudio0: <vendor 0x046d product 0x08d7, class 0/0, rev 1.10/1.00, addr 2>=20 on usbus0 uaudio0: No playback! uaudio0: Record: 16000 Hz, 1 ch, 16-bit S-LE PCM format uaudio0: No midi sequencer pcm2: <USB audio> on uaudio0 what am I missing? The device is supported on linux by the gspca driver. Regards Christof Am Sonntag 10 Januar 2010 14:37:37 schrieb Hans Petter Selasky: > Hi, >=20 > During the last couple of days I've spent some time to finish my webcam > daemon. My webcam daemon is basically an application which consists of > userspace Video4Linux USB webcam drivers and some uLinux glue code which > links with libc, pthreads and libusb. The webcamd talks to > /dev/video_daemonX which is provided by the video4bsd kernel module.=20 There > is full support for mmap/read/write/open/close. poll is not supported. >=20 > Basic operation and idea: >=20 > /dev/video_daemonX is the interface for the webcamd. /dev/videoX is the > interface for the V4L application. The video4bsd transports all data > between these two devices. In the case the V4L application is using=20 mmap, > no data is copied due to shared kernel memory buffer! >=20 > Licensing issues: >=20 > Effectivly the webcamd userland program becomes GPL'ed due to the V4L=20 USB > drivers which are GPL licensed. Some files inside the webcamd remains=20 BSD > licensed which allows for building similar BSD licensed daemons. >=20 > The rest of the code is BSD licensed. >=20 > Source code: >=20 > 1) FreeBSD 8-stable >=20 > 2) Apply the patch below and re-install libusb in /usr/src/lib/libusb: >=20 > http://p4web.freebsd.org/chv.cgi?CH=3D172876 >=20 > http://perforce.freebsd.org/chv.cgi?CH=3D172876 >=20 > 3) Compile ulinux (webcamd + libv4l + pwcview) and video4bsd (must be > checked out in the same folder due to dependencies) >=20 > svn --username anonsvn --password anonsvn \ > checkout svn://svn.turbocat.net/i4b/trunk/usbcam/video4bsd >=20 > make all install > kldload video4bsd >=20 > svn --username anonsvn --password anonsvn \ > checkout svn://svn.turbocat.net/i4b/trunk/usbcam/ulinux >=20 > make fetch > make patch > make all > make install >=20 > # this will attach to the first detected webcam: > ./webcamd >=20 > # this will try to attach to the given USB unit, interface and V4B unit. > ./webcamd -d ugen4.1 -i 0 -v 0 >=20 > # this will display webcam contents from /dev/video0 by default. > ./pwcview/pwcview >=20 > Feedback and bug reports are welcome. >=20 > Yes, I am working on getting this into ports! >=20 > Known issues: >=20 > 1) If you detach the USB webcam you need to manually restart the=20 webcamd. >=20 > --HPS >=20 > Support: I will be available at #bsdusb on efnet during the day. > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current- unsubscribe@freebsd.org" >=20 =2D-=20 () ascii ribbon campaign - against html e-mail=20 /\ www.asciiribbon.org - against proprietary attachments --nextPart1275263.eOSmHdpN40 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (FreeBSD) iEYEABECAAYFAktY94YACgkQpZfyPAmdZJl84ACghTAQ4b0idPSirqUdMu0JJPYt +h4An2C/E6XISeuQMUelkSIfmS/3cHks =6cYm -----END PGP SIGNATURE----- --nextPart1275263.eOSmHdpN40--
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