User Tools

Site Tools


rescale_video

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Last revisionBoth sides next revision
rescale_video [2017/08/17 19:11] walkeradminrescale_video [2017/08/17 19:14] walkeradmin
Line 15: Line 15:
     ffmpeg -i input.mov -vf scale=320:240 output.mov     ffmpeg -i input.mov -vf scale=320:240 output.mov
 \\  \\ 
 +
 +----
 +You can also rescale without specifying the exact aspect ratio, so here we have specified the width, and the height will be worked out automatically from the original aspect ratio.
 +\\ 
 +    ffmpeg -i input.mp4 -vf scale=320:-1 output.mp4
 +\\ 
 +\\ 
 +
 +----
 +
 +To transcode and rescale in one go, you can use the following example:
 +\\ 
 +    ffmpeg -i source.mov -vcodec h264 -b:v 50M -vf scale=960:540 dest.mp4
 +\\ 
 +\\ 
 +
  
rescale_video.txt · Last modified: 2023/03/09 22:35 by 127.0.0.1