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[OBS Studio] Allow virtual camera to be used by several applications

The virtual camera should be able to be used by several applications at the same time in Linux.

Original Source

@@juantinazzo | 2 pts | 3/12/2026

### Operating System Info Other ### Other OS Manjaro ### OBS Studio Version 32.0.4 ### OBS Studio Version (Other) _No response_ ### OBS Studio Log URL https://obsproject.com/logs/fEl1LwGUhO556fPj ### OBS Studio Crash Log URL _No response_ ### Expected Behavior The virtual camera should be able to be used by several applications at the same time in Linux. ### Current Behavior The virtual camera can only be used with one application at the time, due to exclusive_caps: pkexec modprobe v4l2loopback exclusive_caps=1 card_label='OBS Virtual Camera' && sleep 0.5 ### Steps to Reproduce 1. Start virtual camera 2. Try to use it in several browser tabs 3. ... ### Anything else we should know? Reading the docs of v4l2loopback i can understand the reason behind exclusive_caps=1: `This will enable 'exclusive_caps' mode that only reports CAPTURE/OUTPUT capabilities exclusively. The newly created device will announce OUTPUT capabilities only (so ordinary webcam applications (inclu

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