lavfi: port phase filter from libmpcodecs

Signed-off-by: Paul B Mahol <onemda@gmail.com>
lavfi/mp: remove mp=phase

The filter was ported to a native libavfilter filter.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
x86/simple_idct: use LOCAL_ALIGNED instead of DECLARE_ALIGNED

Signed-off-by: Paul B Mahol <onemda@gmail.com>
lavfi/hue: relicense to LGPL with permission by all contributors

Signed-off-by: Paul B Mahol <onemda@gmail.com>
avformat: H265 demuxer

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>