[mythtv-users] Capture cards

Rudy Zijlstra mythtv at edsons.demon.nl
Sat Jan 13 17:02:06 UTC 2007


Brian Wood wrote:

>On Jan 13, 2007, at 3:30 AM, Rudy Zijlstra wrote:
>
>  
>
>>Nick Rout wrote:
>>
>>    
>>
>>>On Fri, 12 Jan 2007 09:26:17 -0700
>>>Brian Wood <beww at beww.org> wrote:
>>>
>>>
>>>
>>>      
>>>
>>>>As time goes on slow CPUs will become rarer, and I think we will
>>>>start to see video cards that can do some sort of hardware MPEG-4
>>>>playback. The satellite companies are going to move to MPEG-4
>>>>eventually to save bandwidth, and the BBC HD tests are an MPEG-4
>>>>variant.
>>>>
>>>>
>>>>        
>>>>
>>>Its their opportunity to get proprietary again. There are many  
>>>more versions of mpeg4 than mpeg - by the way are we talking mpeg4  
>>>as in xvid and its cousins or mpeg4 as in h.264?
>>>
>>>
>>>      
>>>
>>H.264 is used for this.
>>    
>>
>
>
>Well I was speaking of MPEG-4 in general, and was including xvid, H. 
>264 and VC-1 as MPEG-4 "variants". I was using the term basically to  
>mean "something "better" than MPEG-2".
>  
>
VC-1 is not part of the MPEG-4 standard. Neither is it part of the DVB 
standard, which does allow for H.264 as its Advanced Codec. MS tried to 
be part of DVB and was rejected, as MS is only one controlling the VC-1 
"standard".

>Then there is "VC-1" which the Microsoft lawyers would want you to  
>believe is a completely new and different thing, but it certainly has  
>roots in the MPEG-4 systems. I have an on-demand box that stores 100  
>hours on 80GB and, much as I hate to admit it, it looks damn good.
>
>As was pointed out, they are "at it again", trying to "get  
>proprietary". Such tactics never work in the end, but they keep trying.
>
>I see the Chinese are trying to roll out a non-MPEG replacement for  
>the DVD format to avoid the MPEG tax. Even if they only wind up  
>selling to domestic customers that is a *lot* of disks.
>  
>



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