Signed-off-by: Pierre d'Herbemont <pdherbemont@free.fr>

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

It seems to take about 10s to scroll 100 items in my pc, and any longer than
that is just way too slow.

Based on an initial patch by Rafaël Carré.

 It closes #4278, partially closes #3152, closes last part of #3090.
 It does not fix audio losses due to potentially buffered data by
packetizers/decoders.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

- use libvlc verbosity
- reset default color after having displayed the messages

This code is unfinished, and is commited as a Proof-of-Concept
If people agree on it, we will go on this experiment, else revert.
A lot of the code is broken, you are warned.
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

flat/tree view seems to be controlled by playlist-tree option these days