[FFmpeg-cvslog] Merge remote-tracking branch 'cigaes/master'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Thu Feb 26 21:38:49 2015 +0100| [19dbe89f03d0fc97a43a4ac7989e7db2d5bf313b] | committer: Michael Niedermayer

Merge remote-tracking branch 'cigaes/master'

* cigaes/master:
  ffmpeg: notify when the thread message queue blocks.
  ffmpeg: allow to set the thread message queue size.
  lavd/alsa: set frame_size field.

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=19dbe89f03d0fc97a43a4ac7989e7db2d5bf313b
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