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# Date Author Comment
f7a5e779 03/15/2011 02:11 PM Michael Niedermayer

Revert "ac3enc: add SIMD-optimized shifting functions for use with the fixed-point AC3 encoder"

This reverts commit cc4d3dd3e2171f63cd4297292349b58788fff260.
revert at authors request due to better impementation being available

Signed-off-by: Michael Niedermayer <>
cc4d3dd3 03/08/2011 06:49 PM Justin Ruggles

ac3enc: add SIMD-optimized shifting functions for use with the fixed-point AC3 encoder

Signed-off-by: Michael Niedermayer <>
20a2a3da 02/16/2011 10:00 PM Justin Ruggles

ac3dsp: Change punpckhqdq to movhlps in ac3_max_msb_abs_int16().

Signed-off-by: Ronald S. Bultje <>
(cherry picked from commit 1f004fc512babe8215e2aa31fa4770aa27812cab)
7539a1fe 02/14/2011 10:58 PM Justin Ruggles

ac3enc: Add x86-optimized function to speed up log2_tab().

AC3DSPContext.ac3_max_msb_abs_int16() finds the maximum MSB of the absolute
value of each element in an array of int16_t.

Signed-off-by: Ronald S. Bultje <>
(cherry picked from commit fbb6b49dabc3398440c6dfa838aa090a7a6ebc0d)
a30ac54a 02/11/2011 01:54 AM Justin Ruggles

Add x86-optimized versions of exponent_min().

Signed-off-by: Ronald S. Bultje <>
(cherry picked from commit dda3f0ef48aa5c3b03566b60b6bf63211e1fe579)