[PD] PD/Gem 4k movie

Jack jack at rybn.org
Thu Sep 19 14:02:58 CEST 2019


Antoine Villeret has developed gem-mvp :


I wrote an object based on gemframbuffer that uses libmpv
(https://mpv.io/) to decode a video file and output it directly to a
This circumvent the bottleneck of uploading the pixes to the GPU and
provides a wide range of codecs to Gem (if MPV can play your video, then
gem-mpv can too).
This have been successfully tested with 4K HAP video on Linux.
It also supports video with alpha channel.

The source code is here : https://github.com/avilleret/gem-mpv
The build system is CMake, there is no binary release.
Follow the Readme to build it.
It has been only tested on Linux for now.

Inside, it's more or less a wrapper around libmpv, that means every
properties and commands should be supported but only few have been
tested yet.
Some are documented in the help file, for the others, please refer to
libmpv help : https://mpv.io/manual/stable/

Best regards




Le 19/09/2019 à 13:50, Markus Brandt a écrit :
> Hello!
> Did anybody had sucsess to play back a 4k Video in PD/Gem? I am
> struggeling getting it fluently to run.
> The Maschine I am working with is an eight core Intel Prozessor, 4 GHz
> and nvidia graca GTX 1070 in win10.
> I installed k-lite codec pack and it seems, that either pix_film nor
> pix_movie is using the graca. CPU is at 98% GPU at 0%
> Vlc does work nice. We tried mp4 and mov.
> Any help appreciated. Thanks in advance
> Markus.
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