* commit 'fd41cb43':
  avconv: improve sample format negotiation for decoder request
  Opus encoder using libopus
  mpegts: Drop pointless casting of hex_dump_debug arguments
  avformat: const correctness for av_hex_dump / av_hex_dump_log
  wmadec: Adjust debug printf argument length modifier

Conflicts:
	Changelog
	ffmpeg.c
	libavcodec/libopusdec.c
	libavcodec/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>