One big issue with DaVinci Resolve on Linux, is the fact that it doesn't support h264, and you need to transcode all your files to a supported format, before using them.
2. This requires ~2x time and disk space, given that most end-user cameras record H.264/H.265
By the way, they chose to cripple it by making these codecs premium-only features on Linux only: https://documents.blackmagicdesign.com/SupportNotes/DaVinci_... Their excuse for not having H.264 is an outright lie, because Cisco has already paid the royalties for all binary users of OpenH264 on any OS. Furthermore, even if you buy their premium version, the only option to encode to H.264/H.265 on Linux is NVENC, which is inferior to CPU encoders and requires you to own an Nvidia card.
Only the free version doesn't support h264. If you get the paid version, you get h264 support. My understanding is that this is not BM's fault, simply the way license agreements for that codec work.
Vivaldi browser also doesnt ship codecs. They simply use whatever is available in the system. Means they might be the only browser that crashes when trying to play video in Windows N. But even they are able to use ffmpeg codecs installed in Linux.
I venture a guess DaVinci Resolve not using already installed codecs is either one of the ways to generate sales, or result of strong arming by MPEG LA.
That's totally on them and is plainly wrong. They can simply use OpenH264 to load H.264 videos, but they choose not to.
Cisco paid for all H.264 royalties on any platform (under the condition that you use their binaries) https://en.wikipedia.org/wiki/OpenH264 And this was back in 2013.
There's a whole thread here: https://forum.blackmagicdesign.com/viewtopic.php?f=21&t=7805...