Siarhei Siamashka 7d485f165f Support for getting (i)MDCT output multiplied by a constant scaling factor. ...

Scaling (i)MDCT output has no runtime overhead and can be used to improve
performance of audio codecs. All the changes are only needed in
'ff_mdct_init' function and slow down initialization a bit.

Originally committed as revision 18855 to svn://svn.ffmpeg.org/ffmpeg/trunk

2009-05-16 14:17:08 +00:00

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