Running Rayman Forever's GOG release w/ larger resolution & gamepad?

[Behonkiss]

I'm starting out recording in hopes of reviewing every title in the series on YouTube, and while everything from 2 onwards I have few issues with (My copy of Revolution runs fine on PCSX2, I have the HD ports of 3 and Rabbids, and Own Origins and Legends on PC and multiple consoles through flash sales and stuff like PS Plus), being able to get Rayman 1 properly set up for both playing and recording has been quite a pain.

Though I own the PSN Store digital version, I lack the equipment to capture from my PS3, so I bought the re-release of Forever on GOG.com. Recording it in OBS has proved possible, but I still have two main issues. One is that I changed the settings for the game to play in windowed mode since fullscreen made the picture awkwardly stretch to 16:9, but the default window resolution is tiny and I have no idea how to make it larger for better video. Also, I can't for the life of me figure out how to properly configure a gamepad to work on it. I've tried both my Xbox One and DualShock 4 (The latter using DS4Windows), but the setup that involves calibrating joysticks makes movement basically impossible since it doesn't properly register the D-pad on either.

Is there anything I can do to address either of these issues?

[Master]

Can't give a definitive solution, but I'll point you in the direction of Carrot-master's Rayman Control Panel. He's consolidated many fixes and patches for quite a few of the PC Rayman games, and you may find tools which could help resolve the issues you're having.

[PluMGMK]

Might want to try Rayman Plus as well.

[RayCarrot]

Though I own the PSN Store digital version, I lack the equipment to capture from my PS3, so I bought the re-release of Forever on GOG.com. Recording it in OBS has proved possible, but I still have two main issues. One is that I changed the settings for the game to play in windowed mode since fullscreen made the picture awkwardly stretch to 16:9, but the default window resolution is tiny and I have no idea how to make it larger for better video. Also, I can't for the life of me figure out how to properly configure a gamepad to work on it. I've tried both my Xbox One and DualShock 4 (The latter using DS4Windows), but the setup that involves calibrating joysticks makes movement basically impossible since it doesn't properly register the D-pad on either.

Is there anything I can do to address either of these issues?

Hey! Which resolution does your monitor have? For my 1080p monitor I have this config here for my YouTube videos which upscales it to fullscreen, while keeping the aspect ratio. I've been using this for Rayman 60 Levels, but it will work with any other DosBox game as well.
As for your controller, I've had many issues with that in the past and ended up using a controller to keyboard program (such as Joy2Key) which maps the controller input to keyboard input (so you can set the D-Pad to emulate the arrow keys for example). While this isn't ideal for 3D games due to the lack of complete analog control, it works perfectly for a simple 2D game such as Rayman Forever.
As Master mentioned, you can find a bunch of patches in my program above which fix a bunch of common issues, as well as allowing new features (such as any apsect ratio in Rayman 2).
Let me know if you've got any more questions!

[Behonkiss]

I set up Joy2Key with my XB1 controller to emulate the arrow and letter keys, but when I run Forever in the Rayman Plus config with a bigger window, the controller input doesn't register at all. Every time I think I solve a problem with this, a new one pops up.

EDIT: Tried the game again and now it worked. Better late than never!