1 files changed, 6 insertions, 0 deletions
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