Compatibility Report

• Name of the game with compatibility issues: The Legend of Heroes: Trails in the Sky FC
• Steam AppID of the game:251150

System Information

• GPU: NVIDIA GM108M [GeForce 940M]
• Driver/LLVM version: nvidia
• Kernel version: 4.19
• Link to full system information report as Gist:
• Proton version: 4.11.8-flatpak

I confirm:

• [ ] that I haven't found an existing compatibility report for this game.
• [ ] that I have checked whether there are updates for my system available.

steam-251150.log

Symptoms

The VIdeo and Audio from the cutscenes are not synchronized. The video scenes show up a bit delayed unlike the audio, so near the end when the cutscene is still happening, there's no more audio(looks like a 20 second difference between the audio ending and the video ending). Plus, I have to press a key/mouse button to start the video otherwise only audio plays
I followed these steps on the game's entry in protondb

The game works fine except for videos. In game videos: 1. Startup logo. 2. Intro movie shortly after starting a new game. 3. End game movies.

Running protontricks 251150 directshow allowed the logo video to work. Installing K-Lite Codec Pack Basic into the prefix allowed the intro movie to work.

Reproduction