Sharing the temporary `row` and `rowSwap` buffers between different calls to the
processor is not safe because it will be used by multiple threads.
As a result some of the rows in the image could randomly get corrupted.
This commit gets rid of the cached buffers (the value of which questionable
anyway) and simply re-uses the same code which other processors use.
For one, we have already switched to RGBA some time ago, so the name was
technically incorrect already.
But the main reason is that we'll want to use them for depth maps as well (and
potentially maybe even for HDR images if that's possible with canvas?).
Basically the result of the Delombok function, except we use IntelliJ's equals,
hashCode and toString and don't re-organize imports (cause that breaks the
preprocessor) and a bunch of manual cleanup was necessary (and half the classes
weren't even converted).
Before uploading to YouTube, convert all spherical non-mp4 files to mp4 to be able to inject metadata
Properly re-throw errors during the rendering pipeline
