Changes between Version 4 and Version 5 of How to speed up / slow down a video


Ignore:
Timestamp:
08/16/2012 01:14:17 AM (9 months ago)
Author:
rogerdpack
Comment:

minor cleanups, looks like you can't use vcodec copy

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  • How to speed up / slow down a video

    v4 v5  
    66}}} 
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    8 Note that this method will drop frames to achieve your desired speed.  You can avoid dropping frames by specifying a higher "output frame rate" than the input, for example, to go from 4 to 16 fps: 
     8Note that this method will drop frames to achieve your desired speed.  You can avoid dropping frames by specifying a higher "output frame rate" than the input, for example, to go from an input of 4 to one that is sped up to 4x that (16 fps): 
    99 
    1010{{{ 
    1111ffmpeg -i Input.mp4 -r 16 -vf setpts=0.125*PTS -an Output.mp4 
    1212}}} 
    13  
    14 Or possibly by specifying the vcodec as "copy". 
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