Changes between Version 24 and Version 25 of Scaling

Timestamp:

Oct 15, 2022, 6:05:33 PM (12 months ago)

Author:

Michael Koch

Comment:

setsar syntax

Scaling

@@ -9 +9 @@
 ffmpeg -i input.mp4 -vf scale=320:240,setsar=1:1 output.mp4
 }}}
-  The above example is highly misleading because `setsar=1:1` is equivalent to `setsar=r=1:max=1`. In this special case it accidentally gives the correct result SAR=1:1, but for example `setsar=2:3` would give the wrong result SAR=2:1. The correct syntax for SAR=2:3 is `setsar=2/3` .
+  The above example is highly misleading because `setsar=1:1` is equivalent to `setsar=r=1:max=1`. In this special case it accidentally gives the correct result SAR=1:1, but for example `setsar=2:3` would give the wrong result SAR=2:1. The correct syntax for SAR=2:3 is `setsar=2/3`, or `setsar=1` for the above example.
 
 * When going from BGR (not RGB) to yuv420p the conversion is broken (off-by-one). Use -vf scale=flags=accurate_rnd to fix that.