[FFmpeg-cvslog] Merge remote-tracking branch 'cus/stable'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Jan  1 20:19:51 2015 +0100| [8009a51f7bbd90e2a8806be2d8f49f0684037bdb] | committer: Michael Niedermayer

Merge remote-tracking branch 'cus/stable'

* cus/stable:
  ffplay: dump format before selecting streams
  ffplay: add support for stream specifiers in -ast, -vst, -sst options
  ffplay: remove unused no_background from videostate
  ffplay: remove flushed state from decoder context

Merged-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8009a51f7bbd90e2a8806be2d8f49f0684037bdb
---