[vlc-devel] Re: CVS Commit (gbazin)

Gildas Bazin gbazin at netcourrier.com
Tue Feb 25 22:17:00 CET 2003

On Tuesday 25 February 2003 18:15, cvs at videolan.org wrote:
> Log Message:
> * configure.ac.in, modules/codec/Modules.am, modules/codec/libmpeg2.c:
>    Added a simple mpeg video decoder based on libmpeg2. It is mainly 
>    useful for comparing the performance against our custom decoder as it 
>    is currently missing some important features like the synchro stuff.

Forgot to tell that you need to use libmpeg2 from cvs. Version 0.3.1 isn't 

I did a quick test with an extract from a dvd (copied on my hd).

time ./vlc -vv file.vob vlc:quit --noaudio --dummy-chroma YV12 -V dummy -I 

with vlc's mpeg2 decoder:
real    1m44.099s
user    0m19.558s
sys     0m0.241s

with libmpeg2:
real    1m43.878s
user    0m26.884s
sys     0m0.295s

Which means the libmpeg2 version is about 1.37 x faster than our custom 

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