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

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sat Jan 19 03:56:00 2013 +0100| [7ba9f40ac6029ef0922cf50c357d9927d6a181e4] | committer: Michael Niedermayer

Merge remote-tracking branch 'cus/stable'

* cus/stable:
  ffplay: flush video filters on seek
  ffplay: use videoq.serial to detect obsolete frames

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7ba9f40ac6029ef0922cf50c357d9927d6a181e4
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