Difference between revisions of "Ffmpeg"
From Wasya Wiki
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ffmpeg -i <input>.mp4 <output>.webm | ffmpeg -i <input>.mp4 <output>.webm | ||
| − | ffmpeg -i MVI_0083.MP4 -s 960x540 -crf | + | ffmpeg -i MVI_0083.MP4 -s 960x540 -crf 18 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 12:41, 7 December 2020
960x540 horizontal 540x960 vertical
ffmpeg -i <input>.mp4 <output>.webm
ffmpeg -i MVI_0083.MP4 -s 960x540 -crf 18 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.
