#11 Resize Calculator

[Anonymous]

In the AVSynth section could you include a tool that asks what Aspect Ratio you want and allow you to specify Height or Width and calculate the other.
For example: If I want to encode some SNES video from an emulator, the video is 256x224, but it needs to be 4:3. And it gets resized to 720x480, but when you play the DVD it will be 4:3. Which is fine, normally because I can just let it resize to 720x480 and it shows as 4:3. But if I want the height to be an even 448, I have to "AddBorders" by 16 on the top and bottom. Then I have to find out the X axis if the Y axis is 448 and the Aspect Ratio is 4:3. Which is about 598, but it's gonna be resized to 720x480 for authoring, so I have to take the ratio between 640 and 720, which is 1.125. Then I multiply 598 by 598 and get 672. So then I subtract 672 from 720 and get 48, which means I have to take 16 off the top and bottom and 24 from each side to make the "actual" video 672x448 when the video(with border) is resized to 720x480 for authoring. Now, when that get's played the 720 becomes. effective, 640 and the 672 becomes 598. And all is right with the world.

Now imagine doing that each time you used a different video source using a different standard or aspect ratio.
The GUI could prompt for...
1) Aspect Ratio you will be watching it at (16:9 or 4:3)
2) The aspect ratio the actual video(without the border) needs to be
3) Whether Height or Width will be specified
4) Specify the value
And the program could calculate and automatically add the proper borders to achieve proper results.
Maybe have an option to force it to round to even numbers in all stages of calculations. For example, 598*1.125 is actually 672.75, which should be rounded to 673, but with the setting it would be rounded to the closest even number.

I am sorry to make you read so much, but if it helps make it better, I am glad.

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