[mythtv-users] Re: Jerky Video after transcode MPEG2->MPEG4

[Michael T. Dean]

Mike Harris wrote:

> Joseph A. Caputo wrote:
>
>> On Wednesday 29 June 2005 7:58, Mike Harris wrote:
>>
>>> It is a P4 2.8Ghz. It barely breaks out a sweat, the CPU fan does 
>>> not come on.
>>> Also, sureley transcoding should just take longer rather than 
>>> dropping frames if CPU speed were an issue? It is not as if it has 
>>> to keep up with broadcast.
>>>
>>> And what's more, I did not have this problem with 0.17. 
>>
>> Just out of curiosity, do you have libmpeg2 decoding enabled?  If so, 
>> what result do you get if you turn off libmpeg2?
>
> I did not specify libmpeg2 on the configure command line, so I guess I 
> am not using it. Here is the ./configure output:
>
It's a setup option, not a compile-time option.

UseMPEG2Dec

Use libmpeg2 for decoding

If enabled, libmpeg2 will be used instead of ffmpeg for decoding MPEG-1 
and MPEG-2 video frames.  This can be faster.
WARNING: Enabling this option will disable XvMC video output.

Mike