Justin Ruggles
0f999cfddb
ac3enc: add float_to_fixed24() with x86-optimized versions to AC3DSPContext
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and use in scale_coefficients() for the floating-point AC-3 encoder.
2011-03-17 16:46:48 -04:00
Justin Ruggles
f1efbca5e9
ac3enc: add SIMD-optimized shifting functions for use with the fixed-point AC3 encoder.
2011-03-14 08:45:31 -04:00
Justin Ruggles
1f004fc512
ac3dsp: Change punpckhqdq to movhlps in ac3_max_msb_abs_int16().
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-02-16 14:08:34 -05:00
Justin Ruggles
fbb6b49dab
ac3enc: Add x86-optimized function to speed up log2_tab().
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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 <rsbultje@gmail.com>
2011-02-13 16:49:39 -05:00
Justin Ruggles
dda3f0ef48
Add x86-optimized versions of exponent_min().
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
2011-02-10 15:32:47 -05:00