TV Tuner
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From: The Natural Philosopher on 2 Dec 2009 04:31 felmon wrote: > On Tue, 01 Dec 2009 17:38:03 -0600, keith wrote: > >> On Tue, 01 Dec 2009 16:44:05 -0500, Paul E. Lehmann wrote: >> >>> Anyone using a tv tuner with Linux? >>> >>> Are there any special problems getting it installed and up and running. >>> >>> I see that I already have the software on my system (kdetv) >>> >>> I have a big wide screen Samsung monitor and running a relative new >>> Dell Inspiron 5305. >>> >>> I don't think I need the clunky old small screen tv in my study any >>> more if these tuners work pretty well. >> I've been running an Avermedia A800 USB tuner into Mythbuntu for a year >> or so (started on 8.04, upgraded to 8.10 then 9.04). Although it was a >> bit of a nightmare getting Myth set up (mainly 'cos I didn't understand >> the implication of the jargon) its been rock solid since. (which is >> better than the pvr under the main TV!) >> >> Using KDE / Suse I've mainly used kaffeine, which always seemed very >> reliable, but not been tested (by me) to anywhere the same extent. >> KDEtv is likely to be similar, but if you have problems there are always >> the others to fall back on, so the investment in the tuner shouldn't be >> wasted. >> >> Keith > > I am having a hell of a time getting tv to work. I have a low-profile pci- > e card (Hauppauge HVR1250) in a slimline Gateway 2800 running Debian and > Ubuntu. I can't get Debian to load the card properly so leave that aside, > Ubuntu loads the kernel stuff ok but it doesn't create /dev/video. > > I have googled all around, no solution. I am reasonably certain I have > the firmware installed but not absolutely sure. > > I need it to get us cable. an older card in my other desktop works no > problem using xawtv, tvtime or something else I forgot. these guys, not > seeing /dev/video refuse to load. > > the kernel in Ubuntu is 2.6.31-15-generic.pae. the kernel in Debian Lenny > is (as I recall) 2.6.26. am familiar with linuxtv.org. > > there's plenty to google. not done yet but have almost given up hope. I > am a bit wary of this Gateway unit. never have had such trouble getting > Linux to work with the graphics. OpenSuse 10.2 booted alright but some > version of 11.x killed the monitor, forcing me to reboot. same with > Debian but I stuck with it. > > felmon > I got it all working on a Hauppage TV USB dongle. Debian setup. I think it worked with 2.6.26 but for other reasons I used the backport to 2.6.30. I cant remember what exact code I installed, dvb-utils certainly, but mainly the bottom end 'just worked'. Oh I see that dvb-apps is the main utility package. On lenny. But I couldn't get totem-gtk to work, so I tried totem-xine: That did work, once I had run 'scan' and made ~/.xine/channels.conf. I have no /dev/video: it seems to use /dev/dvb/adapter0 If I recall correctly, the kernel recognised the tuner OK without any software. dvb-apps was the way to check it was working using 'scan' and the key was to pick a media player that understood dvb correctly.
From: felmon on 2 Dec 2009 19:40 On Wed, 02 Dec 2009 09:31:48 +0000, The Natural Philosopher wrote: > But I couldn't get totem-gtk to work, so I tried totem-xine: That did > work, once I had run 'scan' and made ~/.xine/channels.conf. > > I have no /dev/video: it seems to use /dev/dvb/adapter0 > > If I recall correctly, the kernel recognised the tuner OK without any > software. > > dvb-apps was the way to check it was working using 'scan' and the key > was to pick a media player that understood dvb correctly. this is exceedingly helpful! the trick is probably the 'dvb' stuff. I will experiment more tonight. yesterday booting to Ubuntu I actually got tvtime to present video! no audio though. what happened was I also have a usb tv tuner, Hauppauge HVR 950q which was stuck in the machine. I had found a utility to extract firmware from the cd and placed it in /lib/firmware. this seemed to lay down the /dev/video device. pity there's no sound as I would be happy to use the usb. I don't care, internal or usb, as long as I get my wintv! so tonight, a couple experiments more. not terribly hopeful and I am a bit wary of this Gateway as I mentioned. I may return it for a similarly configured HP. Felmon
From: Darklight on 3 Dec 2009 05:01 felmon wrote: > On Wed, 02 Dec 2009 09:31:48 +0000, The Natural Philosopher wrote: >> But I couldn't get totem-gtk to work, so I tried totem-xine: That did >> work, once I had run 'scan' and made ~/.xine/channels.conf. >> >> I have no /dev/video: it seems to use /dev/dvb/adapter0 >> >> If I recall correctly, the kernel recognised the tuner OK without any >> software. >> >> dvb-apps was the way to check it was working using 'scan' and the key >> was to pick a media player that understood dvb correctly. > > this is exceedingly helpful! the trick is probably the 'dvb' stuff. I > will experiment more tonight. > > yesterday booting to Ubuntu I actually got tvtime to present video! no > audio though. what happened was I also have a usb tv tuner, Hauppauge HVR > 950q which was stuck in the machine. I had found a utility to extract > firmware from the cd and placed it in /lib/firmware. this seemed to lay > down the /dev/video device. pity there's no sound as I would be happy to > use the usb. I don't care, internal or usb, as long as I get my wintv! Play around with kmix if you have it installed i had to enable front mic and analog mix to get sound to work with my tvcapture card > > so tonight, a couple experiments more. not terribly hopeful and I am a > bit wary of this Gateway as I mentioned. I may return it for a similarly > configured HP. > > Felmon
From: felmon on 3 Dec 2009 13:45 On Thu, 03 Dec 2009 10:01:14 +0000, Darklight wrote: > felmon wrote: > >> On Wed, 02 Dec 2009 09:31:48 +0000, The Natural Philosopher wrote: >>> But I couldn't get totem-gtk to work, so I tried totem-xine: That did >>> work, once I had run 'scan' and made ~/.xine/channels.conf. >>> >>> I have no /dev/video: it seems to use /dev/dvb/adapter0 >>> >>> If I recall correctly, the kernel recognised the tuner OK without any >>> software. >>> >>> dvb-apps was the way to check it was working using 'scan' and the key >>> was to pick a media player that understood dvb correctly. >> >> this is exceedingly helpful! the trick is probably the 'dvb' stuff. I >> will experiment more tonight. >> >> yesterday booting to Ubuntu I actually got tvtime to present video! no >> audio though. what happened was I also have a usb tv tuner, Hauppauge >> HVR 950q which was stuck in the machine. I had found a utility to >> extract firmware from the cd and placed it in /lib/firmware. this >> seemed to lay down the /dev/video device. pity there's no sound as I >> would be happy to use the usb. I don't care, internal or usb, as long >> as I get my wintv! > > Play around with kmix if you have it installed i had to enable front mic > and analog mix to get sound to work with my tvcapture card I haven't tried this in the Ubuntu setup but I booted to OpenSuse live-cd yesterday and found that it recognized the usb tuner in its full glory, laying in a '/dev/video0'. so I got tvtime to scan channels and both it and mplayer to play tv. however still no audio. I played with mixer settings through many permutations. I was impressed with how sophisticated the sound setup is in OpenSUSE 11.2 - it saw the sound chip on the tuner (I think) and encouraged tinkering but nothing worked. I'm going to try a couple tricks more this afternoon and if they don't work, the unit goes back. Felmon
From: felmon on 4 Dec 2009 03:09
On Thu, 03 Dec 2009 10:01:14 +0000, Darklight wrote: > felmon wrote: > >> yesterday booting to Ubuntu I actually got tvtime to present video! no >> audio though. what happened was I also have a usb tv tuner, Hauppauge >> HVR 950q which was stuck in the machine. I had found a utility to >> extract firmware from the cd and placed it in /lib/firmware. this >> seemed to lay down the /dev/video device. pity there's no sound as I >> would be happy to use the usb. I don't care, internal or usb, as long >> as I get my wintv! > > Play around with kmix if you have it installed i had to enable front mic > and analog mix to get sound to work with my tvcapture card >> >> so tonight, a couple experiments more. not terribly hopeful and I am a >> bit wary of this Gateway as I mentioned. I may return it for a >> similarly configured HP. well, I have something strange to report. puts me in a bit of a fix. I was about to pack it in, basically remove Linux, let Windows 7 repossess the hard-drive and return the unit to the store but wanted to make one 'last stand' in Linux. I happened upon a post where the fellow used the following magical incantation: sox -q -c 2 -s -r 32000 -t alsa hw:1 -t alsa -r 32000 hw:0 presto! loud, glorious sound! there are some bugs here: (a) some error messages about 'overruns' and 'underruns' in alsa; (b) the bitrate value should probably be 14000; (c) some syntax is 'deprecated' (I have found another version which I will try shortly. (d) the video is a bit bumpy. btw I am using mplayer tv:// on:driver=v4l:width=648:height=488:chanlist=us.cable:channel=49 but I think vlc may also work. I don't wholly grasp what sox is doing. (btw the man page is wonderful! a real tutorial in audio work!) the quandary is this seems like a real kludge - there must be a more direct method. seems fragile; I shall have to see how it works in Debian or OpenSUSE which I much prefer to Ubuntu. trouble is, I only have until Saturday at the latest to figure out whether I want to keep this machine. anyway, there is pleasure in having a 'solution' even if it's a bit of a contraption. any thoughts? Felmon |