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

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Jun  7 21:55:30 2012 +0200| [9f7b014ad32fd87efcada0297d83546decb48fe7] | committer: Michael Niedermayer

Merge remote-tracking branch 'cus/stable'

* cus/stable:
  ffplay: fix build if avfilter is disabled
  ffplay: fix frame_delay calculation in new avfilter code
  ffplay: add support for changing pixel format
  ffplay: add missing filt_in assignment after video filter reconfigure
  ffplay: fix frame aspect ratio after qatar merge
  ffplay: fix use after free
  ffplay: use dummy video driver if display is disabled

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9f7b014ad32fd87efcada0297d83546decb48fe7
---