Thanks for the update, Dan. It's been a while since I hardware encoded video, and my card is pre-turing.
Evert Vorster Awesome Chapters Tours http://www.awesomechapters.com Tel: +264 (0) 811477690 On Thu, 13 Aug 2020 at 05:42, Dan Dennedy <d...@dennedy.org> wrote: > On Wed, Aug 12, 2020 at 8:07 AM Evert Vorster <evors...@gmail.com> wrote: > >> Hey Paul. >> >> There are ways to use GPU rendering in the output. However you typically >> exchange quality for speed & size. >> >> >> >> ie: rendering out at q=26 on software looks better than rendering out at >> q=26 on hardware. >> >> This is because the software encoders are more mature and can use >> features in the CPU that the GPU cannot. >> >> > This is not necessarily always true as of the 6th generation Turing NVENC. > It is generally considered now as good as x264 and x265 at medium preset: > > https://developer.nvidia.com/blog/turing-h264-video-encoding-speed-and-quality/ > > https://unrealaussies.com/tech/nvenc-x264-quicksync-qsv-vp9-av1/7/#NVENC-Part-2 > (you can find more studies) > > Turing cards are RTX 20xx and GTX 1650 Super: > > https://en.wikipedia.org/wiki/Nvidia_NVENC#Sixth_generation,_Turing_TU10x/TU116 > > If you want to use HEVC to limit size while maximizing quality, Turing > NVENC HEVC makes a lot of sense since it is so much faster than x265 or > vp9. If you are going to output H.264 I think it is less compelling > considering the speed of x264. > > > Here is a profile that I was using to test nvenc: >> >> properties=x264-medium f=mp4 vcodec=h264_nvenc acodec=aac g=120 >> crf=%quality ab=%audiobitrate+'k' >> >> >> Kind regards, >> Evert Vorster >> Awesome Chapters Tours >> http://www.awesomechapters.com >> Tel: +264 (0) 811477690 >> >> >> On Wed, 12 Aug 2020 at 17:01, Paul Smith <paulsrsm...@live.co.uk> wrote: >> >>> Hi, >>> >>> I really like KdenLive. Seems pretty intuitive to use. The on;y thing I >>> couldn't quite figure out going through the settings is, does it use the >>> Nvidia GPU for rendering? If not is that something on the horizon? If so >>> I'm happy to donate towards it's development. >>> >>> Kind Regards >>> >>> Paul >>> >>
