[mythtv-users] CPU for spftware MPEG-4 encoding

[Morten Rønseth]

Wow - thanks to you guys I now know what top/bottom posting 
is...imagine, I've been doing this for years without knowing (what an 
ignorant twat I've been).


Cheers,


-Morten "still-top-posting-keeping-up-long-establshed-traditions"

David wrote:

> David Blackwell wrote:
>
>> On Apr 6, 2005 9:44 AM, Mark Cooke <mpc at jts.homeip.net> wrote:
>>  
>>
>>> *grrr for top posting*
>>>
>>> The PVR250/350 is MPEG2, not MPEG4 as the poster asked.
>>>
>>> I transcode from an MPEG2 PVR250 stream at 4mbit/sec, 720x576 to MPEG4
>>> 1000kbit/sec 360x288 on my system, and it seems to do about 20 frames
>>> per second.
>>>
>>> This is a P4-2GHz.
>>>
>>> Playback of the resulting file uses around 20-30%
>>>
>>> So it is my experience that transcoding is not realtime on my PC, but
>>> playback is.  Recording from raw frames to MPEG4 might be easier on the
>>> PC than transcoding.
>>>
>>> HTH
>>>
>>> Mark
>>>
>>> On Wed, 2005-04-06 at 15:34 +0200, Morten Rønseth wrote:
>>>   
>>>
>>>> But a PVR-350 both encodes & decodes in hardware...
>>>>
>>>>
>>>> Cheers,
>>>>
>>>>
>>>> -Morten
>>>>
>>>> David Blackwell wrote:
>>>>     
>>>>
>>>>> Using a pvr-350 I am running livetv with recording on a p2 400 with
>>>>> 256 megs of ram
>>>>>
>>>>> David
>>>>>
>>>>> On Apr 6, 2005 9:24 AM, Chris Picton <chrisp at tangent.co.za> wrote:
>>>>>       
>>>>>
>>>>>> Quick question
>>>>>>
>>>>>> What are the minimum CPU requirements for live tv MPEG4 encoding.
>>>>>>
>>>>>> Or rather, who has the slowest system, running mpeg-4 encoding and
>>>>>> decoding in software.
>>>>>>
>>>>>> -- 
>>>>>> Chris Picton <chrisp at tangent.co.za>
>>>>>>
>>>>>>
>>>>>> _______________________________________________
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>>>>>> mythtv-users at mythtv.org
>>>>>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>>>>>
>>>>>>
>>>>>>
>>>>>>         
>>>>>
>>>>>       
>>>>
>>>> -- 
>>>> -------------------------------------------------------------------
>>>> WEB-fx
>>>> Morten Lerskau Rønseth           http://www.webfx.no
>>>> Odinsvei 15c                     mailto:morten at webfx.no
>>>> 1413 Tårnåsen                    Tlf.: (47) 6680 9191
>>>> Norway                           Mob : (47) 9343 4357
>>>> _______________________________________________
>>>> mythtv-users mailing list
>>>> mythtv-users at mythtv.org
>>>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>>>     
>>>
>>> -- 
>>> Mark Cooke <mpc at jts.homeip.net>
>>>
>>>
>>> _______________________________________________
>>> mythtv-users mailing list
>>> mythtv-users at mythtv.org
>>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>>>
>>>
>>>
>>>   
>>
>> Bottom post :-)
>> so he did.. Sorry I read and replied so fast.
>> David
>>
>>  
>>
>
> ah - much more thoughtful - that only took 4 scrolls of the mouse 
> wheel to get down to the reply
>
> (yes, this is a troll - as is any post that whines about top/bottom 
> posting without itself doing any trimming)
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users


-- 
-------------------------------------------------------------------
WEB-fx
Morten Lerskau Rønseth           http://www.webfx.no
Odinsvei 15c                     mailto:morten at webfx.no
1413 Tårnåsen                    Tlf.: (47) 6680 9191
Norway                           Mob : (47) 9343 4357