Re: [mythtv-users] Advice on adding second capture card

2006-01-18 Thread Paul Barker
David wrote:


There was some good advice on Nova-Ts in the archives - fairly easy to
search for. Also easy to find on google.

Do you have good DVB reception?
This is a good link for UK digital TV - what cable to use from the
aerial etc...
http://www.megalithia.com/elect/index.html

I currently have usually bad DVB reception (upgrading the aerial wire
next week) - and Mythbackend sometimes has problems 'cos it can't sync.
It's also impossible to say don't record on this input so as soon as
you get xmltv going it will schedule for it and you'll have to delete
shows by hand.

David

  

Thanks David. I'll have a search about in the archives. I've been 
reading plenty of stuff on the web and I know a fair bit more about DVB 
today than I did yesterday! I had a look at the megalithia site and I 
have good line of site to Billsdale (no obstructions) and I'm 21 miles 
away. Since I already have a good loft space aerial I'm going to borrow 
a friends set top box over the weekend and see what kind of reception I 
get from it. If it's not great I'll have to have an outdoor aerial fitted.

With regard to Myth choosing the second tuner, I had assumed that it 
would use the first input (my 250) unless there was a conflict and then 
try to resolve it using the new input (Nova-T) is this the case ?

Cheers
Paul
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Re: [mythtv-users] Advice on adding second capture card

2006-01-18 Thread Chris Hembrow
I set my nova-t as the first input, that way I don't tie up my sky box
by recording a freeview channel, unless i'm recording 2 channels.
There is nothing more annoying than getting halfway through a
recording, only to find that the missus has changed sky channel, or
left it on the sky guide for 20 minutes! (and that is despite having
an LCD on the box which shows if/what it's recording)

The only problem I had was with scanning the channels, cuz I have a
cr4p aerial. I had to manually enter the frequencies in mythtvsetup
and do a search then. But this shouldn't be a problem with a decent
aerial.


On 18/01/06, Paul Barker [EMAIL PROTECTED] wrote:
 David wrote:

 
 There was some good advice on Nova-Ts in the archives - fairly easy to
 search for. Also easy to find on google.
 
 Do you have good DVB reception?
 This is a good link for UK digital TV - what cable to use from the
 aerial etc...
 http://www.megalithia.com/elect/index.html
 
 I currently have usually bad DVB reception (upgrading the aerial wire
 next week) - and Mythbackend sometimes has problems 'cos it can't sync.
 It's also impossible to say don't record on this input so as soon as
 you get xmltv going it will schedule for it and you'll have to delete
 shows by hand.
 
 David
 
 
 
 Thanks David. I'll have a search about in the archives. I've been
 reading plenty of stuff on the web and I know a fair bit more about DVB
 today than I did yesterday! I had a look at the megalithia site and I
 have good line of site to Billsdale (no obstructions) and I'm 21 miles
 away. Since I already have a good loft space aerial I'm going to borrow
 a friends set top box over the weekend and see what kind of reception I
 get from it. If it's not great I'll have to have an outdoor aerial fitted.

 With regard to Myth choosing the second tuner, I had assumed that it
 would use the first input (my 250) unless there was a conflict and then
 try to resolve it using the new input (Nova-T) is this the case ?

 Cheers
 Paul
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Re: [mythtv-users] Advice on adding second capture card

2006-01-18 Thread Nick
On 18/01/06, Paul Barker [EMAIL PROTECTED] wrote:

 With regard to Myth choosing the second tuner, I had assumed that it
 would use the first input (my 250) unless there was a conflict and then
 try to resolve it using the new input (Nova-T) is this the case ?

You can change the priority of inputs/channels after you have
installed the system, however card installation order will determine
priority if you don't change anything.

As Chris has written, I'd always recommend using the DVB card as much
as possible as the chance of 'accidents' with a Sky/ntl box feed is
high (I've had the guide present/channel flipping in recordings too!)

Nick
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Re: [mythtv-users] Advice on adding second capture card

2006-01-17 Thread Paul Barker
On Tue, January 17, 2006 12:36, Paul Barker said:
 Hi All

 Well my myth setup has been working great for over a year now so I thought
 it's about time I broke it! I'd like to add a second capture card to the
 system. Currently here's what I have:

 Athlon XP 2000
 512Mb Ram
 1 X 160Gb Seagate Baracuda 7200RPM 2Mb cache dedicated capture / buffer
 device.
 Fedora 3 (going to 4 when 5 releases)
 PVR-250 capturing over SVID from SKY reciever

Sorry - should have added that this is my BE only - I have remote front ends.

Paul
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Re: [mythtv-users] Advice on adding second capture card

2006-01-17 Thread Chris Hembrow
I have a similar setup. a celery 2.4, with a 120gb drive just for the
recordings, using a pvr250 to capture from sky. I added a second card,
a win tv nova-t dvb card, and unless I'm ripping a dvd at the same
time, it happily records 2 programs and watches one at the same time.
This is with a backend/frontend on the same system.
If you're thinking of going freeview, I would make the move to FC4
now, as my nova-t worked out of the box on FC4, but needed much
patching on FC3

On 17/01/06, Paul Barker [EMAIL PROTECTED] wrote:
 On Tue, January 17, 2006 12:36, Paul Barker said:
  Hi All
 
  Well my myth setup has been working great for over a year now so I thought
  it's about time I broke it! I'd like to add a second capture card to the
  system. Currently here's what I have:
 
  Athlon XP 2000
  512Mb Ram
  1 X 160Gb Seagate Baracuda 7200RPM 2Mb cache dedicated capture / buffer
  device.
  Fedora 3 (going to 4 when 5 releases)
  PVR-250 capturing over SVID from SKY reciever

 Sorry - should have added that this is my BE only - I have remote front ends.

 Paul
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Re: [mythtv-users] Advice on adding second capture card

2006-01-17 Thread Nick
On 17/01/06, Paul Barker [EMAIL PROTECTED] wrote:
 Hi All

 Well my myth setup has been working great for over a year now so I thought
 it's about time I broke it! I'd like to add a second capture card to the
 system. Currently here's what I have:

 Athlon XP 2000
 512Mb Ram
 1 X 160Gb Seagate Baracuda 7200RPM 2Mb cache dedicated capture / buffer
 device.
 Fedora 3 (going to 4 when 5 releases)
 PVR-250 capturing over SVID from SKY reciever

 I'd like to add a DVB-T card to the above, so I need advice on a few items:

 1) Card recommendations. Something that will work well with the 250 and is
 reliable.

I use both Hauppauge Nova-T and V-Stream DVB Xpert cards with PVR-x50
cards with no problems (once you've got dvb and ivtv working together)

 2) Disk bandwith. Can I get away with one drive if I wanted to record 2
 programs and watch a recorded show at the same time ? (This would be
 pretty unusual but ...)

I've got a Celeron 2.4 MBE and can easily manage this, even on a
Celeron 1.3 SBE. Disk usage for UK DVB/PVR recordings is not high
(~1MiB/s per recording). When HD arrives this will change though.

 3) Good general resources for DVB under Linux since I know pretty much
 nothing about DVB.

http://www.linuxtv.org/wiki/index.php/Main_Page
http://www.ethics-gradient.net/myth/mythdvb.html
http://mythtv.info/

(and wikipedia and Google)


 I have another spare Baracuda so I could stripe the capture device but I'm
 trying to have the minimum number of drives in the server to keep heat /
 power consumption down.

No need to IME. You may want to create an LVM though so you can expand
your recording capacity as and when necessary.

Nick
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Re: [mythtv-users] Advice on adding second capture card

2006-01-17 Thread Paul Barker
Chris Hembrow wrote:

I have a similar setup. a celery 2.4, with a 120gb drive just for the
recordings, using a pvr250 to capture from sky. I added a second card,
a win tv nova-t dvb card, and unless I'm ripping a dvd at the same
time, it happily records 2 programs and watches one at the same time.
This is with a backend/frontend on the same system.
If you're thinking of going freeview, I would make the move to FC4
now, as my nova-t worked out of the box on FC4, but needed much
patching on FC3

  


Excellent, thanks for the advice. I've been looking at the Nova-T cards 
today. With the above in mind I think I'll schedule an FC4 upgrade in 
the next couple of weeks. I already upgraded from FC2 to 3 in the middle 
of last year when FC2 went legacy so it shouldn't be a big hardship.

Is there any additional information I need to know to get the Nova-T 
going or is it just a case of the right modules ?

Cheers
Paul

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Re: [mythtv-users] Advice on adding second capture card

2006-01-17 Thread Nick
On 17/01/06, Paul Barker [EMAIL PROTECTED] wrote:
 Excellent, thanks for the advice. I've been looking at the Nova-T cards
 today. With the above in mind I think I'll schedule an FC4 upgrade in
 the next couple of weeks. I already upgraded from FC2 to 3 in the middle
 of last year when FC2 went legacy so it shouldn't be a big hardship.

 Is there any additional information I need to know to get the Nova-T
 going or is it just a case of the right modules ?

The cx88-dvb modules are in the FC4 kernel, so the card should work
out of the box (assuming it's a newer 90002 Nova-T). I'd recommend
using atrpms to get around the ivtv drivers clashing with the kernel
DVB drivers as the ivtv drivers are renamed in the atrpms version to
specifically avoid this.

udev rules might need to be edited to ensure the DVB devices are
created with the correct permissions, but apart from that, you
shouldn't expect any biggies.

Nick
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Re: [mythtv-users] Advice on adding second capture card

2006-01-17 Thread Paul Barker
Nick wrote:

On 17/01/06, Paul Barker [EMAIL PROTECTED] wrote:
  


The cx88-dvb modules are in the FC4 kernel, so the card should work
out of the box (assuming it's a newer 90002 Nova-T). I'd recommend
using atrpms to get around the ivtv drivers clashing with the kernel
DVB drivers as the ivtv drivers are renamed in the atrpms version to
specifically avoid this.

udev rules might need to be edited to ensure the DVB devices are
created with the correct permissions, but apart from that, you
shouldn't expect any biggies.

  

Great stuff - I already use atrpms for my Myth builds. Right then, time 
to wreck ^h^h^h^h^h improve my backend !

Thanks
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Re: [mythtv-users] Advice on adding second capture card

2006-01-17 Thread David
Paul Barker wrote:

 Excellent, thanks for the advice. I've been looking at the Nova-T cards

today. With the above in mind I think I'll schedule an FC4 upgrade in 
the next couple of weeks. I already upgraded from FC2 to 3 in the middle 
of last year when FC2 went legacy so it shouldn't be a big hardship.

Is there any additional information I need to know to get the Nova-T 
going or is it just a case of the right modules ?

Cheers
Paul
  

There was some good advice on Nova-Ts in the archives - fairly easy to
search for. Also easy to find on google.

Do you have good DVB reception?
This is a good link for UK digital TV - what cable to use from the
aerial etc...
http://www.megalithia.com/elect/index.html

I currently have usually bad DVB reception (upgrading the aerial wire
next week) - and Mythbackend sometimes has problems 'cos it can't sync.
It's also impossible to say don't record on this input so as soon as
you get xmltv going it will schedule for it and you'll have to delete
shows by hand.

David
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