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--- appwiki:ffmpeg [2021/07/11 04:51] – [Common Convertion] ying
+++ appwiki:ffmpeg [2021/12/08 20:16] – [Common Convertion] ying
@@ Line 72: / Line 72: @@
 </code>
+  * image to square size (like convert image to texture size format) <code>
+ffmpeg -i image.jpg -vf "scale=1024:1024:force_original_aspect_ratio=decrease,pad=1024:1024:-1:-1:color=white" -q:v 1 tex_image.jpg
+# longest side, so basically original size with padding to square
+ffmpeg -i image.jpg -vf "scale=max(iw\,ih):max(iw\,ih):force_original_aspect_ratio=decrease,pad=max(iw\,ih):max(iw\,ih):-1:-1:color=white" -q:v 1 tex_image.jpg
+</code>