User Tools

Site Tools


ffmpeg

Differences

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

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
ffmpeg [2024/03/18 17:55] adamffmpeg [Unknown date] (current) – removed - external edit (Unknown date) 127.0.0.1
Line 1: Line 1:
-tl;dr 
- 
-''ffmpeg -i input.mp4 -vf scale=320:240,setsar=1:1 output.mp4'' 
- 
-variables 
- 
-''ffmpeg -i input.jpg -vf scale=iw*2:ih input_double_width.png'' 
- 
-(works on images btw) 
- 
-fit a rectangle, with padding 
- 
-''ffmpeg -i input.jpg -vf "scale=320:240:force_original_aspect_ratio=decrease,pad=320:240:(ow-iw)/2:(oh-ih)/2" output_320_padding.png'' 
- 
-text over video, found in ancient text file (might not work) 
- 
-''ffmpeg -i ordeal.mkv -ss 55 -t 5 -vf drawtext="textfile=slap.txt: fontcolor=white: fontsize=96: x=(w-text_w)/2: y=(h-text_h)/2" out1.mp4; ffmpeg -i out1.mp4 -vf scale=320:180 out2.gif'' 
- 
-strip audio 
- 
-''ffmpeg -i footage_with_adamvoice.MOV -an footage.mp4'' 
- 
-rotate 
- 
-''ffmepg -i footage.mp4 -vf "transpose=2,transpose=2" rotated180.mp4'' 
- 
-    0 = 90° counterclockwise and vertical flip (default) 
-    1 = 90° clockwise 
-    2 = 90° counterclockwise 
-    3 = 90° clockwise and vertical flip 
-    
-crop 
- 
-To crop a 80×60 section, starting from position (200, 100): 
- 
-''ffmpeg -i in.mp4 -vf "crop=80:60:200:100" -c:a copy out.mp4'' 
  
ffmpeg.1710784550.txt.gz · Last modified: 2024/03/18 17:55 by adam