From: Axel Kohlmeyer (
Date: Sun Dec 03 2006 - 09:39:28 CST

On Sat, 2 Dec 2006, Andres Palencia wrote:

AP> dear all,


AP> I am making a video mpeg with 220 frames of a trajectory of MD
AP> simulations(AMBER) . In the option movie duration I have spesified 120
AP> seconds, however when I load the video in the reproductor (windos media
AP> player) the duration is 7 seconds. It would very nice for me if somebody
AP> can tell me how to solve the problem,

the duration flag only makes sense with GIF-animation, where the
delay between two frames can be specified in the file. MPEG requires
24,25 or 30 frames per second. the only way to 'stretch' your movie
is to use frames multiple times.


AP> Thanks a lot in advance,
AP> Andres

Axel Kohlmeyer
   Center for Molecular Modeling   --   University of Pennsylvania
Department of Chemistry, 231 S.34th Street, Philadelphia, PA 19104-6323
tel: 1-215-898-1582,  fax: 1-215-573-6233,  office-tel: 1-215-898-5425
If you make something idiot-proof, the universe creates a better idiot.