Comment 9 for bug 533111

Time sure flies by.

As for #1 (wrong ffmpeg options) the corrections would be:
-metadata title=
instead of
-title
etc.
So the whole line (2064 in /usr/bin/pacpl in 4.0.5) would look like:

return "-metadata title=\"$tag_name{title}\" -metadata track=\"$tag_name{track}\" -metadata author=\"$tag_name{artist}\" -metadata album=\"$tag_name{album}\" -metadata comment=\"$tag_name{comment}\" -metadata year=\"$tag_name{year}\" -metadata genre=\"$tag_name{genre}\"";

That at least gets us through the 256 error, but the output files are still left with empty tags.