libx265: Fix use of uninitialized input picture

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
libx265: Remove redundant default param call

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
MAINTANERS: Add myself as libx265 maintainer

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
avformat/mpegts: DVB subtitles multiple languages support

Copy multiple languages data from PMT to extradata. New 5 bytes
per language extradata format.

Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>