Are you using “Incentive Pymol” (that based on a license from Schrodinger) or 
“Open Source Pymol” (that built from source code)?

For anyone looking for mpeg_encode source code on freemol.org , there is source 
code in the svn repository

http://www.bioinformatics.org/cgi-bin/viewvc.cgi/freemol/trunk/src/mpeg_encode/

-David

> On Oct 20, 2015, at 4:46 AM, <h.c.van_leeu...@lumc.nl> 
> <h.c.van_leeu...@lumc.nl> wrote:
> 
> Dear Thomas, David,
>  
> I appreciate your help.
> First I'm using windows 7.
>  
> The link from:
> http://freemol.org <http://freemol.org/>
> leading to 
> http://bmrc.berkeley.edu/frame/research/mpeg/mpeg_encode.html 
> <http://bmrc.berkeley.edu/frame/research/mpeg/mpeg_encode.html>
>  
> is empty.(?)
>  
> David your link is for Linux correct?
> http://software.opensuse.org/download.html?project=home%3Acowsandmilk&package=mpeg_encode
>  
> <http://software.opensuse.org/download.html?project=home%3Acowsandmilk&package=mpeg_encode>
>  
> I attached my Pymol file maybe you can see whether you get the same error. 
> (The movie is mout)
>  
> Thanks again,
>  
> Hans
>  
>  
>  
> -----Original Message-----
> From: Thomas Holder [mailto:thomas.hol...@schrodinger.com 
> <mailto:thomas.hol...@schrodinger.com>] 
> 
>  
> David, Incentive PyMOL does bundle mpeg_encode.exe and uses it for movie 
> export. It is also available from http://freemol.org <http://freemol.org/>
>  
> Hans, what Windows version do you use? I can't reproduce this problem on 
> Windows 7 or 8.
>  
> Cheers,
>   Thomas
>  
> -----Original Message-----
>  
> David Hall <li...@cowsandmilk.net <mailto:li...@cowsandmilk.net>> wrote:
>  
> > there is no mpeg_encode.exe binary.
> > 
> > mpeg_encode, as far as I am aware, has long been abandoned. You can find 
> > what I believe is the last version of the source code (1.5c) 
> > athttps://build.opensuse.org/package/show/home:cowsandmilk/mpeg_encode 
> > <https://build.opensuse.org/package/show/home:cowsandmilk/mpeg_encode> , 
> > you can download by clicking the files with the up arrow (I know, those 
> > symbols make no sense).
> > 
> > It uses an old version of libjpeg with apis that have been long abandoned.
> > 
> > Basically, you don't have a binary for what I think is a long abandoned 
> > program that depends on old versions of libraries.
> > 
> > Hopefully someone else will tell me there's some magical updated version 
> > floating around out there, but I doubt it. Otherwise, no new features in 20 
> > years and no bug/compatibility fixes in 13.
> > 
> > -David
> > 
> -----Original Message-----
>  
> > On Mon, Oct 19, 2015 at 8:36 AM, <h.c.van_leeu...@lumc.nl 
> > <mailto:h.c.van_leeu...@lumc.nl>> wrote:
> > Dear Pymol community,
> > 
> >  
> > 
> > Im using Pymol 1.7.6 and created a morph movie. Looks nice on screen!
> > 
> > However when I tried to save the movie, I get an error:
> > 
> > ----------------------
> > 
> > produce: creating 'C:/Users/hcvanleeuwen/Desktop/test2.mpg' (in 
> > background)...
> > 
> > please wait ...
> > 
> > Error: mpeg_encode did not run
> > 
> > Traceback (most recent call last):
> > 
> >   File "C:\Program Files\PyMOL\\PyMOL/modules\freemol\mpeg_encode.py", line 
> > 35, in run
> > 
> >     mpeg_encode_in, mpeg_encode_out, mpeg_encode_err = 
> > os.popen3(_mpeg_encode_exe)
> > 
> > WindowsError: [Error 2] The system cannot find the file specified: 'Ex: 
> > C\\Temp /c "C:\\Program <smb://Program> 
> > Files\\PyMOL\\\\PyMOL\\ext\\bin\\mpeg_encode.exe"'
> > 
> > produce: compression failed
> > 
> > ---------------------
> > 
> > Anyone suggestions how to solve this?
> > 
> > Thanks in advance,
> > 
> > Hans van Leeuwen
>  
> <Morp_attempt.pse>

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