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


Ignore:
Timestamp:
Aug 16, 2012, 2:14:17 AM (4 years ago)
Author:
rogerdpack
Comment:

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

Legend:

Unmodified
Added
Removed
Modified
  • How to speed up / slow down a video

    v4 v5  
    66}}} 
    77 
    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". 
    1513 
    1614