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2 Commits

Author SHA1 Message Date
Rostislav Pehlivanov
e1120b1c54 mdct15: add assembly optimizations for the 15-point FFT 
c:    1802 decicycles in fft15,16774635 runs,   2581 skips
avx:   865 decicycles in fft15,16776378 runs,    838 skips

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
 2017-06-23 23:45:37 +01:00
Rostislav Pehlivanov
d2119f624d imdct15: rename to mdct15 and add a forward transform 
Handles strides (needed for Opus transients), does pre-reindexing and folding
without needing a copy.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
 2017-02-14 06:15:36 +00:00