Metroid: Zero Mission - Alternative Tourian Escape in under 2 minutes (HD) (TAS)

Описание: This is Tool-Assisted, so it wasn't played by a human on real time. Go to http://tasvideos.org/ for more information.

An improvement over my previous Reverse Tourian LOTAD:    • [OBSOLETED, READ DESC] Metroid: Zero Missi...  
The final time on the counter for this one is 00:04:94, saving around 04.66 seconds from the previous version. Time saves come from more polished general movement, more efficient shinesparks, and an additional shinespark. I do think this is still improvable (by a few frames at least), and I'll probably get back to it some day. But I don't know when that day will be.

I actually recorded this back in 07/28/2019, but never got to upload it since I do not think it is that big of a difference from my previous version, even if it is still cool to watch. I am ultimately uploading it because I recently got back to this topic: I wanted to demonstrate wheter the alternative Tourian escape under 2 minutes is RTA viable or not, and upload a video with the results (this one right here:    • Metroid: Zero Mission - Is reverse Tourian...  ). After uploading that video, uploading this one wasn't too much of an effort, so I thought I might as well do it. I'm also uploading this to YouTube because I am tired of having to look for this on my PC whenever I want to watch it again.

HELP ME WITH VIDEO ENCODING:
As you can see, I upscaled this x16, to 4K, using VirtualDub. I tried to encode and compress it using x264 (x264fw), but any configuration I tried produced very ugly artifacts in the final video. I eventually had to use lossless x264 to fix it, ending up with a massive file.
If anybody with experience with VirtualDub or x264 compression could let me know why trying to compress the video results in those artifacts, I would really appreciate it!