[linux-dvb] HVR-3000

[linux-dvb] HVR-3000

[Travel Factory S.r.l.]

I've been out from the dvb scene for a while and now I'm building a new system. 

I had to buy an HVR-3000 hybrid system because it's the only DVB-T card I found available in Rome on PCI slot.... and the DVB-S was ok in order to have a new input....

Now I have this card... I tried on Suse 10.0, downloaded the kernel module I found somewhere... tried compiling.... but I got errors due to some changes in a structure.

I may try on suse 10.3... perhaps it works on that...

Now the questions is:

- where can I find informations to update my knowledge about DVB reception (I read hints about drivers rewritten for DVB-S2, multi-proto, and the like...). 

- does anybody have a HVR-3000 actually working on a suse linux ? Which version ?

Thanks
Francesco


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Re: [linux-dvb] HVR-3000

[Jens.Peder.Terjesen]

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[linux-dvb] HVR-3000

[Gary Napier]

Hi all,

I have been attempting to build a linux-tv system using the Haugpage 
HVR-3000. Now i have been aware of the problems with this card,
with regards to the dual frontend. Using the wiki entries as a base, i 
installed Mythbuntu, and removed it's default cx_88 module, before building
my own using the wiki steps. I am using a Via C7 1.5GHz  system on a 
Jetway motherboard, mini ITX, one PCI slot.

So, in the end i can use dvb-tools to get a TV picture (found the BBC 
channels available in the uk via DVB-T)
Scan finds very little channels, but i do have some BBC channels to 
test. This would indicate a reception issue i believe.
TZAP spits out the constant hex codes i expect.

The problem.
The tv is very slow to update and impossible to watch. I would like to 
know if this is a driver/software issue or
a hardware issue. During TV playback the processor maxs out at 100%

1. Am i right in assuming that the output from the HVR-3000 (DVB-T) is 
an MPEG stream, and as such needs very little CPU resources?
2. Am i right in assuming that with the Hardware MPEG decoding ability 
of the Via C7, very little CPU resources are needed for playback?
3. What tools are available for me to get a measure of signal strength 
and quality of broadcast, which i believe may be the issue (although 
dedicated Set Top boxes seem to work fine)?
4. Please share any other comments that may be useful to the setup.

Cheers
Gary


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Re: [linux-dvb] HVR-3000

[Stephen Rowles]

> The problem.
> The tv is very slow to update and impossible to watch. I would like to
> know if this is a driver/software issue or
> a hardware issue. During TV playback the processor maxs out at 100%
>
> 1. Am i right in assuming that the output from the HVR-3000 (DVB-T) is
> an MPEG stream, and as such needs very little CPU resources?
> 2. Am i right in assuming that with the Hardware MPEG decoding ability
> of the Via C7, very little CPU resources are needed for playback?
> 3. What tools are available for me to get a measure of signal strength
> and quality of broadcast, which i believe may be the issue (although
> dedicated Set Top boxes seem to work fine)?
> 4. Please share any other comments that may be useful to the setup.
>
> Cheers
> Gary

I run a via SP13000 to watch DVB-T in the UK. But you have to use
accelerated playback to get a decent system running rather than relying on
the CPU. For this to work you will need the openchrome packages installed
(note Fedora 9 this should work out of the box):

http://wiki.openchrome.org/tikiwiki/tiki-index.php?page=Collection+of+contributed+binary+packages

For playback I then use the standard xine rpm from the livna repository,
then I use that to "play" a DVB channel using the following:

/usr/bin/xine -V xxmc dvb://BBC ONE

The key here is using -V xxmc to enable the hardware accelerated playback,
there are similar options to mplayer to achieve the same effect.

(note in reality I don't do anything on the command line, I just use
Freevo with the appropriate setup: http://freevo.sourceforge.net/)

>From my experience you MUST get the accelerated playback via XvMC working
to stand a chance of playing mpeg content on a small via system. And you
won't get anything working for h.264 high-def content. Your 100% cpu usage
indicates that the lack of acceleration support is the problem.


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