"file.mp4" -b:v 2M -vf "chromakey=0x00FF00.20.15,format=rgba,scale=1920x1080" -c:v libvpx-vp9 -auto-alt-ref 0 "ouput.webm"įor ProRes, Davinci Resolve won't work with WebM, currently (i'm sure this could be improved) " file.mp4" -c:v qtrle -vf "chromakey=0x00FF00.2.15,format=rgba,scale=1920x1080" "output. I've tried some ffmpeg tricks to fix this but no luck. Best to pick the background color that you will mind the least, if this is an issue. There is green or blue fringing around graphics that have shadows or motion, etc. Set the path to ffmpeg.exe in the Powerpoint Slide 1 Also set folders for which to place MP4 and WebM exports You can add to OBS transparency ready, without a green screen filter! The MP4 video is then converted to a WebM video file using FFMPEG.Start and stop Slide show with one button. Make one presentation your primary and another one your secondary. ![]() It is exported as a 4K MP4 video (MOV works too, though I see no difference) Overview Updates (7) Reviews (1) History Discussion V 3.1 Major update for Office 16 and above: all opened PowerPoint presentations are now shown in a list.A graphic is placed on a slide with the background color set to solid green 0x00FF00 or blue 0x00000FF.Powerpoint template with VBA is available on Github. Exports slides as transparent webm or mov files for OBS, youtube, or other streaming.
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