Date: Mon, 28 Jun 2010 18:09:40 +0200 From: Juergen Lock <nox@jelal.kn-bremen.de> To: Lars Engels <lars.engels@0x20.net> Cc: Matthias Apitz <guru@unixarea.de>, hselasky@c2i.net, Juergen Lock <nox@jelal.kn-bremen.de>, freebsd-mobile@freebsd.org Subject: Re: video capture cards for FreeBSD laptop Message-ID: <20100628160940.GA99763@triton8.kn-bremen.de> In-Reply-To: <20100628104116.4h3n0r77c44o0scc@0x20.net> References: <20100623114141.GA4151@current.Sisis.de> <20100623141603.GC42847@e.0x20.net> <20100627164752.GA52062@triton8.kn-bremen.de> <20100627171129.GA55131@triton8.kn-bremen.de> <20100628104116.4h3n0r77c44o0scc@0x20.net>
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On Mon, Jun 28, 2010 at 10:41:16AM +0200, Lars Engels wrote: > Quoting Juergen Lock <nox@jelal.kn-bremen.de>: > > > On Sun, Jun 27, 2010 at 06:47:52PM +0200, Juergen Lock wrote: > >> On Wed, Jun 23, 2010 at 04:16:04PM +0200, Lars Engels wrote: > >> > On Wed, Jun 23, 2010 at 01:41:41PM +0200, Matthias Apitz wrote: > >> > > > >> > > Hello, > >> > > > >> > > I've Google'd around a bit but I don't see any real solution. My wife > >> > > has a FreeBSD laptop with 8-REL and wants to watch TV from time to time. > >> > > Any solution via USB or PCMCIA cards? Or even a small network box which > >> > > could be connected via LAN/WLAN by mplayer... > >> > > > >> > > Thanks in advance > >> > > >> > Hi Matthias, > >> > > >> > the "Freecom DVB-T USB Stick" works nicely with webcamd + vlc. > >> > >> That one no longer seems to be sold tho, or only at pretty high prices... > >> If I look at e.g. > >> > >> http://geizhals.at/deutschland/?cat=vidext&xf=800_USB > >> > >> I find usb dvb-t tuners for as cheap as 9 eur tho I don't know which > >> of those work with webcamd, but if you want to experiment and maybe use > >> the 14-day return policy if one doesn't work... (or look up an usb tuner > >> on sites like > >> > >> http://linuxtv.org/wiki/index.php/Hardware_Device_Information > >> > >> , maybe ask on freenode irc #linuxtv, find out which linux driver it > >> uses and check > >> > >> /usr/ports/multimedia/webcamd/work/webcamd-0.1.12/Makefile > >> > >> after `make extract' in /usr/ports/multimedia/webcamd to see if > >> webcamd builds that driver, and hope it works too...) But how ever > >> you try, don't forget to post your findings here! > >> > >> If you want hdtv in Germany you'll need dvb-s2 (if you have a > >> satellite dish) or dvb-c (if you have cable, but remember often > >> otherwise fta `private' channels are crypted on cable unless you > >> stick to analog transmissions which I don't know for how much longer > >> they'll be around and also you won't get hdtv that way), and dvb-c > >> and dvb-s(2) tuners are more expensive than dvb-t ones tho the picture > >> quality (bandwidth) also often is better than with dvb-t. Oh and > >> the hdtv versions of the german `private' channels are `paytv' > >> everywhere (i.e. crypted), even on satellite, the only fta hdtv > >> chanels on Astra 19.2E atm are Das Erste, ZDF, arte, Anixe and > >> Servus TV. (And EinsFestival HD but that one only plays test loops > >> most of the time.) > >> > >> I use a PCTV 452e Sat HDTV Pro USB dvb-s2 tuner which works pretty well > >> now with vdr (as well as kaffeine, mplayer, and szap-s2 with most any > >> player, only vlc's builtin dvb support seems to be broken for this tuner > >> but that I can live with.) > >> > >> If you want full pvr functionality (epg, timers, recordings, > >> client/server network playback/streaming/webinterface, osd, teletext, > >> multiple tuners... only using a remote may still be a problem) you > >> can try mythtv from ports or my preliminary vdr ports (which still > >> have loose ends but are very much functional at least for me tho > >> a lot of `less important' plugins aren't ported yet, some manual > >> tweaking may still be required and I don't know if anyone has tested > >> xineliboutput's vdpau support on FreeBSD yet), see here: > >> > >> http://people.freebsd.org/~nox/dvb/ > >> > >> and the threads linked from there like: > >> > >> http://lists.freebsd.org/pipermail/freebsd-multimedia/2010-June/011154.html > >> > >> (most Linux users I know prefer vdr over mythtv. :) > >> > >> > Jun 23 16:13:25 root: Unknown USB device: vendor 0x14aa product > >> 0x0225 bus uhub7 > >> > Jun 23 16:13:25 kernel: ugen7.2: <vendor 0x14aa> at usbus7 > >> > > >> > There should also be some other Sticks with the same chip. > >> > > >> > The only issue I have is that it is also recognized as a ukbd, so I had > >> > to remove the ukbd entries in /etc/devd.conf. > >> > >> That's probably the remote... (which other usb tuners often have extra > >> code for in their drivers, but webcamd doesn't support those parts yet > >> so you'd need to play with an extra receiver and lirc most likely if > >> you want to use the remote.) > > Yes, probably the remote. It used to be recognized as a uhid device. > raaf has written a little tool to use the remote: > http://raaf.atspace.org/dvbusb/ Scroll down to "dvbremote" there. > Perhaps it is also usable with other DVB-T devices. > Ah yeah, for those that attach as uhid maybe. (which not all do as I said, and for vdr you'd probably need to connect to lirc instead...) > > >> Oh and if any u.s. people are still reading, vdr seems to support atsc > >> now too, tho I dunno if anyone tried that with webcamd yet. > > > > > Oh and btw I was watching the soccer worldcup in 720p hd today using vdr > > and xine on FreeBSD, Germany won 4-1 against England... > > > Yeah, I watched it in a club and we had a lot of fun! :) > In the evening I watched Argentina vs. Mexico in the backyard using my > DVB-T device. > Thanks to the vuvuzelas I found out, that there seems to be a buffer > problem in the driver. Every n seconds the sound stops for a short > time and theres a little distortion in the picture. > > Hans: Do you know where I could look in the code? The device can be > found here: > http://www.linuxtv.org/wiki/index.php/DVB-T_USB_Devices#WideView.2FYakumo.2FHama.2FTyphoon.2FYuan_Boxes_and_Pens (Freecom DVB-T USB Stick (25451 > rev3)) Hmm I had something like that once after weeks of uptime and restarting vdr and (I think) webcamd too, colorful sqare artefacts in the picture once in a while accompanied by a sqeaky sound... A reboot fixed that so I guess it was just memory fragmentation causing the usb stack not to get enough contiguous buffers anymore? (This box has 8 GB RAM so maybe if you have less it may happen after a shorter uptime depending on how your box is used...) HTH, Juergen
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