[linux-dvb] hvr-1800 status?

Steven Toth stoth at linuxtv.org
Mon Nov 5 20:37:05 CET 2007

Randall Stewart wrote:
> Hi guys,
> Would this apply to the hvr-1600 also?  I've got both the hvr-1800 and 1600 in two different HP media boxes running Vista.



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> Thanks
> ----- Original Message ----
> From: Steven Toth <stoth at linuxtv.org>
> To: cromworshipper-linuxdvb at yahoo.com
> Cc: linux-dvb at linuxtv.org; Michael Krufky <mkrufky at linuxtv.org>
> Sent: Monday, November 5, 2007 9:02:27 AM
> Subject: Re: [linux-dvb] hvr-1800 status?
> Michael Krufky wrote:
>> cromworshipper-linuxdvb at yahoo.com wrote:
>>> I just picked up this card and I'm looking forward to trying it.  I run Fedora 7 x86_64 2.6.23-1.10.  I guess I'll try the steps as described at http://linuxtv.org/wiki/index.php/How_to_install_DVB_device_drivers and see how it goes.
>>> How close are we to getting NTSC to work?  Do I need firmware for this card?
>>> Advice and pointers welcome.
>> Funny that you should ask about analog mode NTSC just a week or two after we've confirmed that QAM works.  (ATSC has always worked, QAM needed a small patch to fix).
>> The NTSC tuner is already supported, but the cx23885 bridge driver does not yet support analog mode.
>> I don't know how long that will take, but it shouldn't be too far off.
>> You don't need any firmware for the hvr1800.
>> Regards,
>> Mike
> The cx23885 has a modified version of the cx25840 a/v decoder inside it. 
> It uses different firmware than the normal cx25840 driver already 
> present in Linux. As such, to support analog, I also have to push some 
> patches into that driver for the differing registers (and firmware).
> Analog preview and analog encoder running well in lab conditions and 
> they are pretty stable, but I need to spend quality time cherry picking 
> pieces from multiple development trees to build something acceptable to 
> the linuxtv community.
> Soon, think weeks not days.
> - Steve
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