avcodec: Mark argument in av_{parser|hwaccel|bitstream_filter}_next as const
avformat: Mark argument in av_{i|o}format_next/ffurl_protocol_next as const
avformat: Mark AVOutputFormat argument in avformat_query_codec as const
Merge commit '53abe32409f13687c864b3cda077a1aa906a2459'

* commit '53abe32409f13687c864b3cda077a1aa906a2459':
  avcodec: Mark argument in av_{parser|hwaccel|bitstream_filter}_next as const

Conflicts:
	libavcodec/avcodec.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit 'ec4f04da1a3462dac429b9d15dee5f027309da15'

* commit 'ec4f04da1a3462dac429b9d15dee5f027309da15':
  avformat: Mark argument in av_{i|o}format_next/ffurl_protocol_next as const

Conflicts:
	libavformat/format.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge commit '7215fcf84032118ecd9fb54fb14154d69fea638d'

* commit '7215fcf84032118ecd9fb54fb14154d69fea638d':
  avformat: Mark AVOutputFormat argument in avformat_query_codec as const

Merged-by: Michael Niedermayer <michaelni@gmx.at>
fate/hevc: add BUMPING bitstream test

cherry picked from commit d4d61a071f087db2a4bc2b49559d40dd350a841e

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