ffmpeg: mark attachment streams finished.

Fix trac ticket #2083.
lavf/mov: simplify timecode track ref.

There can be only one track reference. The multiple tref handling is
handled at a different level.
lavf/mov: fix timecode track reference usage.
fate: re-enable fate-sub-mpsub.

This reverts commit 580ee973d16cb5afb3d5974133576d6c570d2dda.
lavc/movtextdec: keep the min size instead of max to fix overread.

Fixes Ticket #2087.
aiffdec: set block duration for QDM2

Fixes #1697.
lavfi/lut: use ff_fill_rgba_map()

Signed-off-by: Paul B Mahol <onemda@gmail.com>
lavf: add data: URI scheme.
better filter error message when accidentally reusing outputs

Signed-off-by: rogerdpack <rogerpack2005@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>