@pla1 Transcoding time depends on the video length and quality, and also how many other videos are being transcoded, so this is impossible to tell. @Framasoft This question comes up a lot. Maybe you could show an "estimated transcoding time" in Peertube?
No idea about Chromecast, but I guess this would work if Peertube support is added to Newpipe: https://github.com/TeamNewPipe/NewPipeExtractor/issues/79