17 lines
400 B
Markdown
17 lines
400 B
Markdown
|
|
# FFmpeg
|
|
|
|
## Crop video to 720x520 begin from 0:280
|
|
```bash
|
|
ffi in.mov -vf "crop=720:520:0:280" -c:v libx264 -c:a copy -b:v 1200k out.mp4
|
|
```
|
|
|
|
## Grab video from screen
|
|
```bash
|
|
# For X11
|
|
ffmpeg -s 1920x1080 -framerate 10 -f x11grab -i :0 -qscale 6 out.mkv
|
|
|
|
# For Wayland
|
|
ffmpeg -y -f kmsgrab -i - -filter_complex 'hwmap=derive_device=vaapi,hwdownload,format=bgr0,crop=1540:940:380:100' out2.mkv
|
|
```
|