DaVinci Resolve

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Davinci Resolve is a proprietary video editor, color correction and compositing application.

Installation

There is a free version and a paid version (a.k.a. Studio).
For free version Install the davinci-resolveAUR or davinci-resolve-betaAUR package.
For studio version install davinci-resolve-studioAUR or davinci-resolve-studio-betaAUR package.

To run Davinci Resolve it is required to have suitable OpenGL driver and suitable OpenCL driver.

Table of OpenGL drivers
GPU vendor Type Driver OpenGL Documentation Works with Davinci Resolve
AMD / ATI Open source xf86-video-amdgpu mesa AMDGPU No
xf86-video-ati ATI Not tested
Proprietary xf86-video-amdgpu amdgpu-pro-libglAUR AMDGPU PRO Yes
Intel Open source xf86-video-intel mesa Intel graphics Yes
NVIDIA Open source xf86-video-nouveau mesa Nouveau No
Proprietary nvidia nvidia-utils NVIDIA Yes
Table of tested OpenCL drivers
GPU Vendor OpenCL driver Tested version Works with D.R. 16.0b6-1
Neutral opencl-mesa No
AMD opencl-amdgpu-pro-orcaAUR 19.30_838629-1 Yes
opencl-amdgpu-pro-palAUR 19.30_838629-1 Yes
Intel intel-compute-runtime 19.27.13361-1 Core dumped
beignet 1.3.2+12+gfc5f430c-2 Core dumped
intel-openclAUR 5.0.r63503-2 Core dumped
intel-opencl-runtimeAUR 1:18.1.0.013-2 Core dumped
Nvidia opencl-nvidia Suitable, but working on cuda instead?

So currently it is not possible to use intel gpu alone. If using AMD + Intel setups, you can render on intel (set it as primary in uefi setup) and install proprietary opencl driver for amd gpu.

BlackMagic Design Cards

If using DeckLink, UltraStudio or Intensity cards for video capture and playback, install Desktop Video Software with decklinkAUR package.

Troubleshooting

Application window misses title bar

It is a problem of a Linux version of D.R. There is a workaround for KDE - a window rule to force enable title bar. See [1]

My .mp4 clips are shown as audio clips and even its sound is not working

This problem only affects a free version of D.R. for Linux. MP4 containers are not supported, also AAC audio is not supported. To workaround, you may convert your video file to another format or purchase a studio version. Transcoding command may look like this:

ffmpeg -i input.mp4 -c:v dnxhd -profile:v dnxhr_hq -pix_fmt yuv422p -c:a pcm_s16le -f mov output.mov

HiDPI

To enable compatibility with high-resolution displays, set the following environment variables accordingly:

export QT_DEVICE_PIXEL_RATIO=2
export QT_AUTO_SCREEN_SCALE_FACTOR=true

Source: https://forum.blackmagicdesign.com/viewtopic.php?f=21&t=84614&p=469009&hilit=hidpi#wrapper

Wine version

Some plugins are available for Windows, but not available for Linux, so you may want to use Davinci Resolve via wine. Unfortunately, as of wine 4.13-1, it is not working. Splash screen stucks at "Looking for control surface" and in terminal there is such error message:

 wine: Call from 0x7bc6c52c to unimplemented function OpenCL.dll.clReleaseDevice, aborting

See also

Post on Davinci Resolve forum with tested configurations.