Mailing List Archive

On Wed, 2009-02-18 at 10:00 -0800, Scott Harris wrote:
> Howdy all,
> What is the correct setting in mythtv for an HVR 1600 card type?
> I've seen references to just using the standard "MPEG-2 encoder
> (PVR-x50, PVR-500)

That is indeed the correct setting for an HVR-1600.

The PVR-350 is based on the CX23415
The PVR-[12]50 is based on the CX23416 (usually)
The PVR-500 is based on two CX23416's
The HVR-1600 is based on the CX23418

The chips' MPEG output streams are virutally identical
and the linux cx18 driver has direct lineage to the ivtv driver.


> and also references to the V4L device.

That's for uncompress video. From the cx18 driver that would come
via /dev/video32 IIRC and would be the somewhat oddball HM12 raw format
with no sound. You don't want that.


> This is connecting directv via svideo. The reason I ask is when
> I pick the MPEG-2 encoder type I need to manually enter /dev/video0
> before it probes and discovers the device. The V4L entry shows
> up as expected.

Pester the MythTV folks for proper support. :)

Regards,
Andy

> Thanks,
>
> Scott
>
>
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> http://ivtvdriver.org/mailman/listinfo/ivtv-users
>


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2009/2/19 Andy Walls <awalls@radix.net>:
> On Wed, 2009-02-18 at 10:00 -0800, Scott Harris wrote:

AFAIK it should be ;-)

> The PVR-[2/3]50 is based on the CX23415 (350 is a 250 with decoder chip and tvout)
> The PVR-150/500 is based on two CX23416's (PVR-500 is 2 x 150's connected via a pci bridge)

Greets
Sander

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Andy Walls wrote:
> On Wed, 2009-02-18 at 10:00 -0800, Scott Harris wrote:
>> Howdy all,
>> What is the correct setting in mythtv for an HVR 1600 card type?
>> I've seen references to just using the standard "MPEG-2 encoder
>> (PVR-x50, PVR-500)
>
> That is indeed the correct setting for an HVR-1600.

Excellent, thanks.

>
>> and also references to the V4L device.
>
> That's for uncompress video. From the cx18 driver that would come
> via /dev/video32 IIRC and would be the somewhat oddball HM12 raw format
> with no sound. You don't want that.

That certainly explains the video without audio problems.

>
>
>> This is connecting directv via svideo. The reason I ask is when
>> I pick the MPEG-2 encoder type I need to manually enter /dev/video0
>> before it probes and discovers the device. The V4L entry shows
>> up as expected.
>
> Pester the MythTV folks for proper support. :)
>

Next on the list ;) Just wanted to make sure I was in the right
before I throw wild accusations and bug reports.

Thanks!

Scott

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On Thu, 2009-02-19 at 06:55 +0100, Sander Sweers wrote:
> 2009/2/19 Andy Walls <awalls@radix.net>:
> > On Wed, 2009-02-18 at 10:00 -0800, Scott Harris wrote:
>
> AFAIK it should be ;-)
>
> > The PVR-[2/3]50 is based on the CX23415 (350 is a 250 with decoder chip and tvout)

Hmm. I thought the 250's were a mixture. Didn't some have a '15 and
most others have a '16? That's what someone's comments in the source
code say anyway. ;)

Either way, yes, they don't have a TV out.


> > The PVR-150/500 is based on two CX23416's (PVR-500 is 2 x 150's connected via a pci bridge)
^^^ ^^^
Did you notice the switch from "the" to "two"? :)

Regards,
Andy

> Greets
> Sander



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