Difference between revisions of "Ffmpeg"

From Wasya Wiki
Jump to: navigation, search
Line 5: Line 5:
 
  ffmpeg -i <input>.mp4 <output>.webm
 
  ffmpeg -i <input>.mp4 <output>.webm
  
  ffmpeg -i MVI_0083.MP4 -s 960x540 20190322_out.webm
+
  ffmpeg -i MVI_0083.MP4 -s 960x540 -crf 15 20190322_out.webm
 
  ffmpeg -i MVI_0083.MP4 -s 960x540 20190322_out.mp4
 
  ffmpeg -i MVI_0083.MP4 -s 960x540 20190322_out.mp4
 
  ffmpeg.exe -i "test.avi" -c:v libx264 -crf 20 -c:a aac -strict -2 "test.mp4"
 
  ffmpeg.exe -i "test.avi" -c:v libx264 -crf 20 -c:a aac -strict -2 "test.mp4"
  
 
You might want to use the -ss and -t options to create short test encodes. -ss being the start time and -t being the duration — both in seconds. You probably don’t need to encode the entire video to determine what’s acceptable.
 
You might want to use the -ss and -t options to create short test encodes. -ss being the start time and -t being the duration — both in seconds. You probably don’t need to encode the entire video to determine what’s acceptable.

Revision as of 12:40, 7 December 2020

960x540 horizontal 540x960 vertical

ffmpeg -i <input>.mp4 <output>.webm
ffmpeg -i MVI_0083.MP4 -s 960x540 -crf 15 20190322_out.webm
ffmpeg -i MVI_0083.MP4 -s 960x540 20190322_out.mp4
ffmpeg.exe -i "test.avi" -c:v libx264 -crf 20 -c:a aac -strict -2 "test.mp4"

You might want to use the -ss and -t options to create short test encodes. -ss being the start time and -t being the duration — both in seconds. You probably don’t need to encode the entire video to determine what’s acceptable.