Color format other than 8bit makes the video much brighter

[luvini]

Describe the bug
When using a color format other than 8bit (like 10bit) the video get much brighter than its supposed to be

• The issue only shows up on:
  • OBS preview
  • Recordings
• The issue does NOT show up on:
  • The spout source window
  • The OBS scene window projetor

To Reproduce
Steps to reproduce the behavior:

1. Go to OBS File > Settings > Advanced
2. Select a Video > Color format other than 8-bit
3. Apply

Expected behavior
The video should not get a lot brighter, see screenshots

Screenshots
When using 8bit, no issues:

When using 10bit the issue shows up:

About the Software:

• OBS Version 31.0.1 (64bit)
• OBS Spout 2 Source Plugin Version 1.8

About Your Machine :

• OS: Windows 11 Pro
• GPU: AMD Radeon RX 7600 Gigabyte (8GB)
• AMD: Driver Version Adrenalin 2024.1127.1945.2044
• RAM: 64GB
• Machine Type: Desktop

Additional context
Issue only seems to affect the spout sources, a window capture is not affected