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

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Aug 21 15:27:02 2011 +0200| [ff96098084542c3ef98b360f70583999433d13a7] | committer: Michael Niedermayer

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  WavPack demuxer: do not rely on index when timestamp is not in indexed range.
  WavPack demuxer: store position of the first block in index.
  WavPack decoder: implement flush function
  avconv: Separate initialization from the main transcode loop.

Conflicts:
	avconv.c

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ff96098084542c3ef98b360f70583999433d13a7
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