[MEncoder-users] Can you slow down mencoder?

Jonathan Lundberg lundbej at rte.ie
Tue Mar 29 15:06:18 CEST 2005


Ok the encoding works, but I am encountering difficulties under Windows.
It's vital for me that these files work with Direct Show as they are 
going to be transcoded using
Windows Media Encoder and Helix Producer.

I have the XviD codec installed under windows, but the files will not 
render, Windows reports
that the codec is not installed.

I have another XviD file that I downloaded, which seems to have been 
created with VirtualDub under
windows, and when I use THAT file as the input into mencoder instead of 
mencoder as the capture
program, the resulting XviD AVI from mencoder WILL render under windows 
in windows media player.

Also the GSpot codec identifying program reports _identical_ file 
attributes for the virtualdub->mencoder
file as it does for the mencoder_capture->mencoder file.

Thoughts?

Cheers,
Jonathan.


D Richard Felker III wrote:

>On Thu, Mar 10, 2005 at 09:24:02PM +0200, Oded Shimon wrote:
>  
>
>>On Thursday 10 March 2005 17:39, Martin Ankerl wrote:
>>    
>>
>>># start capturing
>>>captureprog | tee testfilename.avi | mencoder settings-for-high-quality
>>>cat testfilename.avi | mencoder settings-for-low-quality
>>>      
>>>
>>Whats the cat for?... That's redundant
>>
>>This is very hackish, but it does work and I don't see a better solution.
>>You said your capture program is MEncoder, so:
>>
>>mkfifo input output1
>>mencoder tv:// -endpos 30:00 -o input -ovc raw -oac pcm &
>>cat input | tee output1 | mencoder - -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=100000 -oac pcm -o goodquality.avi &
>>    
>>
>
>Do NOT use cat here. All it will do is increase cpu usage. Instead:
>tee output1 < input | mencoder - -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=100000 -oac pcm -o goodquality.avi &
>
>  
>
>>Change options as necessary obviously.
>>Do NOT use mencoder for capturing directly to stdout and then to tee.
>>MEncoder outputs too much garbage on stdout and on stderr.
>>    
>>
>
>Very true.. :)
>
>Rich
>
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>MEncoder-users at mplayerhq.hu
>http://mplayerhq.hu/mailman/listinfo/mencoder-users
>
>  
>


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