mpegts: add support for Opus

Signed-off-by: Anton Khirnov <anton@khirnov.net>
Merge commit '9cfa68c560bdec82d2d5ec079f9c5b0f9ca37af0'

* commit '9cfa68c560bdec82d2d5ec079f9c5b0f9ca37af0':
  mpegts: add support for Opus

Conflicts:
	libavcodec/opus_parser.c
	libavformat/mpegts.c

See: 74141f693ded2fbf75af56fff309d2db35183635
Merged-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/vf_spp: fix overflows with depth > 8

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