Måns Rullgård
b90b1b4c3c
Fix build on configurations without fast av_log2()
...
This is a bit hackish. I will try to think of something nicer, but
this will do for now.
Originally committed as revision 22366 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-09 01:19:28 +00:00
Måns Rullgård
94ca624fbc
Move ff_sqrt() to libavutil/intmath.h
...
Originally committed as revision 22345 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-08 21:19:56 +00:00
Måns Rullgård
75fb5c24ed
Move FASTDIV macro to intmath.h
...
Originally committed as revision 21335 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-19 23:25:36 +00:00
Måns Rullgård
544f5a922f
Optimise av_log2 with clz when available
...
10% faster flac decoding on x86 and ARM.
Originally committed as revision 21217 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-14 19:58:12 +00:00
