fix coverity warning CID: 255 (uninitalized variable used to build tables which arent used, well there is a slight change of a FPU exception maybe ...)
(by michael)
Init simplification and 2% faster wma_decode_block on amd64 with tables use
instead of pow(). (by banan)

the init simplifictaion is not correct its not binary identical
the pow optimization breaks decoding of http://klif-e.mos.net.au/videos/extr.wmv

Originally committed as revision 5247 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5246 to svn://svn.ffmpeg.org/ffmpeg/trunk

- Add new function av_tempfile() for creating temporary files; contains
  workaround for MinGW.
- Make XviD stuff use av_tempfile().

Originally committed as revision 5245 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5244 to svn://svn.ffmpeg.org/ffmpeg/trunk

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Originally committed as revision 5236 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5235 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Frantisek Dvorak <valtri at users sourceforge net>

Originally committed as revision 5234 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5233 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5232 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5231 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Steve Lhomme, steve.,.,.lhomme.,@,.free.,.,.fr

Originally committed as revision 5230 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5229 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5228 to svn://svn.ffmpeg.org/ffmpeg/trunk

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Originally committed as revision 5226 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5225 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5224 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5223 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5222 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5221 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5220 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5219 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5218 to svn://svn.ffmpeg.org/ffmpeg/trunk

artifacts (chirps instead of silence).

Originally committed as revision 5217 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Steve Lhomme steve.....lhomme..@..free.....fr

Originally committed as revision 5216 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5215 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5214 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5213 to svn://svn.ffmpeg.org/ffmpeg/trunk

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Originally committed as revision 5211 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5210 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5209 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5208 to svn://svn.ffmpeg.org/ffmpeg/trunk