[60 FPS] Wario Ware (GBA) Capture / Encoding Test / Explanation - Kat & Ana
7Hiya, folks! This here is a proof of concept of a workflow I've prepared for capturing pixel perfect GBA games! DS is in the works, too!
I'm using a video capture device that has been installed on my DS system to output the video to my computer/TV. I use the TV screen like a "Super GBA/DS" to play on the big screen, and also record at the same time (in a lossless format)! One problem to overcome was how to "blow up" the image without hurting it... because Youtube requires videos to be in 1080p or 720p to played back at 60fps and the GBA IS 60fps capable!
Well, to maintain the pixel art that most GBA games use, we can use a very simple resizing algorithm that essentially multiplies the "pixels" in a proper ratio to keep everything looking the same... but bigger! This can only be done by integer values, whole numbers, not fractions. So, the video can be blown up EXACTLY 2 times, or 3 times, or 4 times, and so on! The GBA does not fit exactly into a 1080p (or 720p) space which is why you will see some black area, but this ensures the proper size is maintained and that Youtube will accept it. If you use a fractional resize value to make it exactly 1080 pixels tall, you will get some graphical anomalies like, an eye being larger than the other, or a line being longer than it was originally, text being misshapen, and so on. So no cheating! If you use a resize filter that softens the image a bit, you can resize to pretty much any size you want, but this hurts old-school pixel art! (It looks blurry!)
The coolest part of using the "Nearest Neighbor"/"Point" resize method in this video, is that unlike other scalers there should be no degradation of information! Meaning: You can reverse the process and redo the process over and over without making the image any worse for wear. It's almost like using a magnifying glass! Note that this resizing algorithm really only works for things that are supposed to look pixelated, other pictures will turn out really ugly!
The GBA is natively progressive so there's no need to deinterlace, kinda like modern HD consoles! Neat! The main thing to get right was the resizing and the workflow to get it from the DS, through the capture card, edited, muxed (audio and video together properly), and to Youtube!
And it seems to have worked out perfectly! Nice! I can finally move on to generating material for the GBA now! The same concept I used for this is likely translatable for the DS, so, you'll see some good captures of those, too!
Enjoy the crystal-clarity!
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