My question is - is there an easy (preferably one step) way to turn a horizontally stacked video into a vertically stacked one?
And is there a Linux-way to re-encode given 3D video formats into others?
with Mulvyas help I wrote a script which does the converting stuff and creates a text file with meta information needed by the Gear VR video player.
Note: you need a recent version of
ffmpeg for the
vstack filter - version 2.6 which is installed with Fedora 22 is too old. Version 2.8.3 has