diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/blog/freebsd-14-on-the-desktop/index.md | 2 | ||||
| -rw-r--r-- | src/misc/ffmpeg/index.md | 18 |
2 files changed, 20 insertions, 0 deletions
diff --git a/src/blog/freebsd-14-on-the-desktop/index.md b/src/blog/freebsd-14-on-the-desktop/index.md index 6526c66..a29212d 100644 --- a/src/blog/freebsd-14-on-the-desktop/index.md +++ b/src/blog/freebsd-14-on-the-desktop/index.md @@ -463,6 +463,8 @@ Finally, create the following script at `/usr/local/libexec/thinkpad-brightness` # /usr/local/libexec/thinkpad-brightness +cur=$(/usr/bin/backlight -q) + case $1 in up) if [ "$cur" -ge 50 ]; then diff --git a/src/misc/ffmpeg/index.md b/src/misc/ffmpeg/index.md index 956b0c3..a1b8fd3 100644 --- a/src/misc/ffmpeg/index.md +++ b/src/misc/ffmpeg/index.md @@ -21,3 +21,21 @@ Crop 200px from the bottom of a video, maintaining aspect ratio: ```bash ffmpeg -i in.mp4 -filter:v 'crop=iw-200:ih-200:(iw-ow)/2:0' -c:a copy out.mp4 ``` + +Convert a landscape video to portrait (crop to center): + +```bash +ffmpeg -i in.mp4 -filter:v 'crop=ih*9/16:ih:(iw-ow/2):0' -c:a copy out.mp4 +``` + +Trim video using start and end timestamps: + +```bash +ffmpeg -i in.mp4 -ss 00:01:00 -to 00:02:00 -c copy out.mp4 +``` + +Scale a video down to 720p (keep aspect ratio): + +```bash +ffmpeg -i in.mp4 -vf "scale=-2:720" out.mp4 +``` |