Mans Rullgard
f507a9fe00
ac3enc: move inner loop of compute_rematrixing_strategy to ac3dsp
14 years ago
Justin Ruggles
6ca23db9cc
ac3enc: modify mantissa bit counting to keep bap counts for all values of bap
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instead of just 0 to 4.
This does all the actual bit counting as a final step.
14 years ago
Mans Rullgard
2310ee4b1c
ac3enc: move extract_exponents inner loop to ac3dsp
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Mans Rullgard
52fd16a264
ac3enc: move compute_mantissa_size() to ac3dsp
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Mans Rullgard
6d9f52b2cd
ac3: move ff_ac3_bit_alloc_calc_bap to ac3dsp
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Mans Rullgard
f4855a904e
ac3enc: NEON optimised ac3_max_msb_abs_int16 and ac3_exponent_min
14 years ago
Mans Rullgard
2912e87a6c
Replace FFmpeg with Libav in licence headers
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
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.
14 years ago
Michael Niedermayer
f7a5e7791d
Revert "ac3enc: add SIMD-optimized shifting functions for use with the fixed-point AC3 encoder"
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This reverts commit cc4d3dd3e2
.
revert at authors request due to better impementation being available
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Justin Ruggles
f1efbca5e9
ac3enc: add SIMD-optimized shifting functions for use with the fixed-point AC3 encoder.
14 years ago
Justin Ruggles
cc4d3dd3e2
ac3enc: add SIMD-optimized shifting functions for use with the fixed-point AC3 encoder
...
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Justin Ruggles
7539a1fee2
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>
(cherry picked from commit fbb6b49dab
)
14 years ago
Justin Ruggles
fbb6b49dab
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 <rsbultje@gmail.com>
14 years ago
Justin Ruggles
a30ac54a19
Add x86-optimized versions of exponent_min().
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit dda3f0ef48
)
14 years ago
Justin Ruggles
dda3f0ef48
Add x86-optimized versions of exponent_min().
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
14 years ago