[mythtv-users] DTV HD and myth

[Richard Woelk]

Brian Wood wrote:
> Chris Ribe wrote:
>   
>>     I'm not aware of any HD-capable capture device, Myth compatible or not,
>>     that sells for less than several thousand dollars.
>>
>>     If you know of such a device I'd love to hear about it.
>>
>>
>> This one is $349....
>> http://www.blackmagic-design.com/products/intensity/
>> <http://www.blackmagic-design.com/products/intensity/>
>>
>>
>> This one is $995....
>> http://www.blackmagic-design.com/products/hd/
>>
>> This one appears to retail for under $2k....
>> http://www.aja.com/html/products_macintosh_kona_LHe.html
>>     
>
> Thanks. I guess I'd heard rumblings that such devices were getting
> cheaper. I'd seen some units marketed by Avid that were *almost*
> reasonable but this is getting affordable.
>
> Looks to me as if these units just capture uncompressed video, it would
> take a pretty whomping box to do a good job of HD compression in real
> time, so I don't think these are practical for mainstream Myth systems.
>
> Thanks again.
>
> BEWW

For those of us who really want to capture HD, here's some info I found 
digging on Google

A dual Opteron 252 (2.6Ghz) took 80% cpu power to capture 1080i60
It also took up 6.9GB for 1 minute of video, which works out to 117MB/s


Richard




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