From 472219bbb7aea178cbe29a9eabbccc7acfc4bfe7 Mon Sep 17 00:00:00 2001
From: Marcin Chrzanowski <marcin.j.chrzanowski@gmail.com>
Date: Sat, 26 May 2018 11:06:09 +0200
Subject: Add new tricks

---
 video.md | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'video.md')

diff --git a/video.md b/video.md
index dddccb0..d885d12 100644
--- a/video.md
+++ b/video.md
@@ -4,3 +4,9 @@
 
     ffmpeg -i in.mp4 -codec:v copy -codec:a copy -ss START_TIME -t DURATION out.mp4
     ffmpeg -ss START_TIME -t DURATION -i in.mp4 -codec:v copy -codec:a copy out.mp4
+
+## Resize
+
+    ffmpeg -i in.mp4 -s 720x480 out.mp4
+    # -1 means to automatically preserve aspect ratio
+    ffmpeg -i in.mp4 -filter:v scale=720:-1 out.mp4
-- 
cgit v1.2.3