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zoom-us: set LD_PRELOAD=.../v4l2convert.so #62622

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merged 1 commit into from Jun 3, 2019
Merged

zoom-us: set LD_PRELOAD=.../v4l2convert.so #62622

merged 1 commit into from Jun 3, 2019

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matthewbauer
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This was needed for my webcam to work with zoom-us. v4l2convert is a
wrapper for apps that only support simple bgr24 or yuv420. For these
apps to support webcams that don’t use those formats, we need to use
LD_PRELOAD to get those symbols. Taken from archlinux wiki:

https://wiki.archlinux.org/index.php/Webcam_setup#V4L1_support

/cc @tadfisher

Motivation for this change
Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nix-review --run "nix-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Assured whether relevant documentation is up to date
  • Fits CONTRIBUTING.md.

@matthewbauer
zoom-us: set LD_PRELOAD=.../v4l2convert.so
9d65bb5 
This was needed for my webcam to work with zoom-us. v4l2convert is a
wrapper for apps that only support simple bgr24 or yuv420. For these
apps to support webcams that don’t use those formats, we need to use
LD_PRELOAD to get those symbols. Taken from archlinux wiki:

https://wiki.archlinux.org/index.php/Webcam_setup#V4L1_support
@matthewbauer matthewbauer requested a review from danbst June 3, 2019 17:11
danbst
danbst approved these changes Jun 3, 2019
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I've verified it works with my webcam as well.

@matthewbauer matthewbauer merged commit 8c09536 into NixOS:master Jun 3, 2019
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@danbst danbst danbst approved these changes

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