From ea1b37f715e1d1cd597afcf853ae629b9a28e759 Mon Sep 17 00:00:00 2001 From: Cullum Smith Date: Sun, 9 Feb 2025 21:28:54 -0500 Subject: more ffmpeg magic --- src/misc/ffmpeg/index.md | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'src/misc/ffmpeg') 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 +``` -- cgit v1.2.3