[mythtv-users] SDI with embedded audio and MythTV (suggestions?)

[Kevin Kuphal]

On Thu, Feb 19, 2009 at 8:57 AM, Matt Christy <mchristy at mindtv.org> wrote:

> Good Morning All,
>
>        We're an independent non-profit television station serving the
> greater Philadelphia market. Recently we acquired additional satellites to
> receive feeds, and we are interested in recording the feeds to MPEG-2 for
> broadcast at a later time. Our satellite receivers are Sencores that output
> an SDI signal with embedded audio. I've been having difficulty finding
> recording cards that are compatible with MythTV that support digital SDI
> with embedded audio.
>
>        I searched the archives a bit, and I found some suggestions of AJA
> cards. Currently we use AJA Kona LSe cards in some of our Macs to capture
> video off of beta decks. I also know that these cards support SDI with
> embedded audio. Does anyone know if they work with MythTV? If not, does
> anyone have any other suggestions? We've looked into pre-manufactured
> solutions from other vendors, but they tend to be in the 21k-50k price
> range.
>
>        Also, I've been doing some reading on the MythTV FAQs that are
> around, and there have been suggestions that any one MythTV box shouldn't
> exceed four recording devices. Is this true when recording Digital signals
> as well? We have four new satellites, which can output a max of 8 feeds at
> once. I was thinking of building two separate myth boxes with four cards
> each.
>
>        Thanks in advance for any help you can provide!


Sounds like you're trying to cram a square peg in a round hole.  Myth is
very much designed to work recording broadcast TV with good schedule
information.  If you're just trying to dump video to MPEG-2, you should
really just use tools like mencoder, ffmpeg, or the like.  And if you're
having trouble finding cards that work with Linux, then Linux probably isn't
your best choice of an OS for your project.

Kevin
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