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Made tables static.

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In this CL global tables have been moved to where they are actually used. If for some reason they need to be available in a larger scope we can add them again at that point.
Review URL: http://webrtc-codereview.appspot.com/303002

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1075 4adac7df-926f-26a2-2b94-8c16560cd09d
This commit is contained in:
bjornv@webrtc.org 2011-12-01 15:40:50 +00:00
parent 4c4b7f500f
commit 132feb1270
13 changed files with 481 additions and 603 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/common_audio/signal_processing/Android.mk
View File

@ -20,10 +20,8 @@ LOCAL_SRC_FILES := \
auto_corr_to_refl_coef.c \
auto_correlation.c \
complex_fft.c \
complex_ifft.c \
complex_bit_reverse.c \
copy_set_operations.c \
cos_table.c \
cross_correlation.c \
division_operations.c \
dot_product_with_scale.c \
@ -34,12 +32,10 @@ LOCAL_SRC_FILES := \
filter_ma_fast_q12.c \
get_hanning_window.c \
get_scaling_square.c \
hanning_table.c \
ilbc_specific_functions.c \
levinson_durbin.c \
lpc_to_refl_coef.c \
min_max_operations.c \
randn_table.c \
randomization_functions.c \
refl_coef_to_lpc.c \
resample.c \
@ -47,8 +43,6 @@ LOCAL_SRC_FILES := \
resample_by_2.c \
resample_by_2_internal.c \
resample_fractional.c \
sin_table.c \
sin_table_1024.c \
spl_sqrt.c \
spl_sqrt_floor.c \
spl_version.c \

291
src/common_audio/signal_processing/complex_fft.c
View File

@ -21,13 +21,148 @@
#define CFFTRND 1
#define CFFTRND2 16384
#define CIFFTSFT 14
#define CIFFTRND 1
static const WebRtc_Word16 kSinTable1024[] = {
0, 201, 402, 603, 804, 1005, 1206, 1406,
1607, 1808, 2009, 2209, 2410, 2610, 2811, 3011,
3211, 3411, 3611, 3811, 4011, 4210, 4409, 4608,
4807, 5006, 5205, 5403, 5601, 5799, 5997, 6195,
6392, 6589, 6786, 6982, 7179, 7375, 7571, 7766,
7961, 8156, 8351, 8545, 8739, 8932, 9126, 9319,
9511, 9703, 9895, 10087, 10278, 10469, 10659, 10849,
11038, 11227, 11416, 11604, 11792, 11980, 12166, 12353,
12539, 12724, 12909, 13094, 13278, 13462, 13645, 13827,
14009, 14191, 14372, 14552, 14732, 14911, 15090, 15268,
15446, 15623, 15799, 15975, 16150, 16325, 16499, 16672,
16845, 17017, 17189, 17360, 17530, 17699, 17868, 18036,
18204, 18371, 18537, 18702, 18867, 19031, 19194, 19357,
19519, 19680, 19840, 20000, 20159, 20317, 20474, 20631,
20787, 20942, 21096, 21249, 21402, 21554, 21705, 21855,
22004, 22153, 22301, 22448, 22594, 22739, 22883, 23027,
23169, 23311, 23452, 23592, 23731, 23869, 24006, 24143,
24278, 24413, 24546, 24679, 24811, 24942, 25072, 25201,
25329, 25456, 25582, 25707, 25831, 25954, 26077, 26198,
26318, 26437, 26556, 26673, 26789, 26905, 27019, 27132,
27244, 27355, 27466, 27575, 27683, 27790, 27896, 28001,
28105, 28208, 28309, 28410, 28510, 28608, 28706, 28802,
28897, 28992, 29085, 29177, 29268, 29358, 29446, 29534,
29621, 29706, 29790, 29873, 29955, 30036, 30116, 30195,
30272, 30349, 30424, 30498, 30571, 30643, 30713, 30783,
30851, 30918, 30984, 31049,
31113, 31175, 31236, 31297,
31356, 31413, 31470, 31525, 31580, 31633, 31684, 31735,
31785, 31833, 31880, 31926, 31970, 32014, 32056, 32097,
32137, 32176, 32213, 32249, 32284, 32318, 32350, 32382,
32412, 32441, 32468, 32495, 32520, 32544, 32567, 32588,
32609, 32628, 32646, 32662, 32678, 32692, 32705, 32717,
32727, 32736, 32744, 32751, 32757, 32761, 32764, 32766,
32767, 32766, 32764, 32761, 32757, 32751, 32744, 32736,
32727, 32717, 32705, 32692, 32678, 32662, 32646, 32628,
32609, 32588, 32567, 32544, 32520, 32495, 32468, 32441,
32412, 32382, 32350, 32318, 32284, 32249, 32213, 32176,
32137, 32097, 32056, 32014, 31970, 31926, 31880, 31833,
31785, 31735, 31684, 31633, 31580, 31525, 31470, 31413,
31356, 31297, 31236, 31175, 31113, 31049, 30984, 30918,
30851, 30783, 30713, 30643, 30571, 30498, 30424, 30349,
30272, 30195, 30116, 30036, 29955, 29873, 29790, 29706,
29621, 29534, 29446, 29358, 29268, 29177, 29085, 28992,
28897, 28802, 28706, 28608, 28510, 28410, 28309, 28208,
28105, 28001, 27896, 27790, 27683, 27575, 27466, 27355,
27244, 27132, 27019, 26905, 26789, 26673, 26556, 26437,
26318, 26198, 26077, 25954, 25831, 25707, 25582, 25456,
25329, 25201, 25072, 24942, 24811, 24679, 24546, 24413,
24278, 24143, 24006, 23869, 23731, 23592, 23452, 23311,
23169, 23027, 22883, 22739, 22594, 22448, 22301, 22153,
22004, 21855, 21705, 21554, 21402, 21249, 21096, 20942,
20787, 20631, 20474, 20317, 20159, 20000, 19840, 19680,
19519, 19357, 19194, 19031, 18867, 18702, 18537, 18371,
18204, 18036, 17868, 17699, 17530, 17360, 17189, 17017,
16845, 16672, 16499, 16325, 16150, 15975, 15799, 15623,
15446, 15268, 15090, 14911, 14732, 14552, 14372, 14191,
14009, 13827, 13645, 13462, 13278, 13094, 12909, 12724,
12539, 12353, 12166, 11980, 11792, 11604, 11416, 11227,
11038, 10849, 10659, 10469, 10278, 10087, 9895, 9703,
9511, 9319, 9126, 8932, 8739, 8545, 8351, 8156,
7961, 7766, 7571, 7375, 7179, 6982, 6786, 6589,
6392, 6195, 5997, 5799, 5601, 5403, 5205, 5006,
4807, 4608, 4409, 4210, 4011, 3811, 3611, 3411,
3211, 3011, 2811, 2610, 2410, 2209, 2009, 1808,
1607, 1406, 1206, 1005, 804, 603, 402, 201,
0, -201, -402, -603, -804, -1005, -1206, -1406,
-1607, -1808, -2009, -2209, -2410, -2610, -2811, -3011,
-3211, -3411, -3611, -3811, -4011, -4210, -4409, -4608,
-4807, -5006, -5205, -5403, -5601, -5799, -5997, -6195,
-6392, -6589, -6786, -6982, -7179, -7375, -7571, -7766,
-7961, -8156, -8351, -8545, -8739, -8932, -9126, -9319,
-9511, -9703, -9895, -10087, -10278, -10469, -10659, -10849,
-11038, -11227, -11416, -11604, -11792, -11980, -12166, -12353,
-12539, -12724, -12909, -13094, -13278, -13462, -13645, -13827,
-14009, -14191, -14372, -14552, -14732, -14911, -15090, -15268,
-15446, -15623, -15799, -15975, -16150, -16325, -16499, -16672,
-16845, -17017, -17189, -17360, -17530, -17699, -17868, -18036,
-18204, -18371, -18537, -18702, -18867, -19031, -19194, -19357,
-19519, -19680, -19840, -20000, -20159, -20317, -20474, -20631,
-20787, -20942, -21096, -21249, -21402, -21554, -21705, -21855,
-22004, -22153, -22301, -22448, -22594, -22739, -22883, -23027,
-23169, -23311, -23452, -23592, -23731, -23869, -24006, -24143,
-24278, -24413, -24546, -24679, -24811, -24942, -25072, -25201,
-25329, -25456, -25582, -25707, -25831, -25954, -26077, -26198,
-26318, -26437, -26556, -26673, -26789, -26905, -27019, -27132,
-27244, -27355, -27466, -27575, -27683, -27790, -27896, -28001,
-28105, -28208, -28309, -28410, -28510, -28608, -28706, -28802,
-28897, -28992, -29085, -29177, -29268, -29358, -29446, -29534,
-29621, -29706, -29790, -29873, -29955, -30036, -30116, -30195,
-30272, -30349, -30424, -30498, -30571, -30643, -30713, -30783,
-30851, -30918, -30984, -31049, -31113, -31175, -31236, -31297,
-31356, -31413, -31470, -31525, -31580, -31633, -31684, -31735,
-31785, -31833, -31880, -31926, -31970, -32014, -32056, -32097,
-32137, -32176, -32213, -32249, -32284, -32318, -32350, -32382,
-32412, -32441, -32468, -32495, -32520, -32544, -32567, -32588,
-32609, -32628, -32646, -32662, -32678, -32692, -32705, -32717,
-32727, -32736, -32744, -32751, -32757, -32761, -32764, -32766,
-32767, -32766, -32764, -32761, -32757, -32751, -32744, -32736,
-32727, -32717, -32705, -32692, -32678, -32662, -32646, -32628,
-32609, -32588, -32567, -32544, -32520, -32495, -32468, -32441,
-32412, -32382, -32350, -32318, -32284, -32249, -32213, -32176,
-32137, -32097, -32056, -32014, -31970, -31926, -31880, -31833,
-31785, -31735, -31684, -31633, -31580, -31525, -31470, -31413,
-31356, -31297, -31236, -31175, -31113, -31049, -30984, -30918,
-30851, -30783, -30713, -30643, -30571, -30498, -30424, -30349,
-30272, -30195, -30116, -30036, -29955, -29873, -29790, -29706,
-29621, -29534, -29446, -29358, -29268, -29177, -29085, -28992,
-28897, -28802, -28706, -28608, -28510, -28410, -28309, -28208,
-28105, -28001, -27896, -27790, -27683, -27575, -27466, -27355,
-27244, -27132, -27019, -26905, -26789, -26673, -26556, -26437,
-26318, -26198, -26077, -25954, -25831, -25707, -25582, -25456,
-25329, -25201, -25072, -24942, -24811, -24679, -24546, -24413,
-24278, -24143, -24006, -23869, -23731, -23592, -23452, -23311,
-23169, -23027, -22883, -22739, -22594, -22448, -22301, -22153,
-22004, -21855, -21705, -21554, -21402, -21249, -21096, -20942,
-20787, -20631, -20474, -20317, -20159, -20000, -19840, -19680,
-19519, -19357, -19194, -19031, -18867, -18702, -18537, -18371,
-18204, -18036, -17868, -17699, -17530, -17360, -17189, -17017,
-16845, -16672, -16499, -16325, -16150, -15975, -15799, -15623,
-15446, -15268, -15090, -14911, -14732, -14552, -14372, -14191,
-14009, -13827, -13645, -13462, -13278, -13094, -12909, -12724,
-12539, -12353, -12166, -11980, -11792, -11604, -11416, -11227,
-11038, -10849, -10659, -10469, -10278, -10087, -9895, -9703,
-9511, -9319, -9126, -8932, -8739, -8545, -8351, -8156,
-7961, -7766, -7571, -7375, -7179, -6982, -6786, -6589,
-6392, -6195, -5997, -5799, -5601, -5403, -5205, -5006,
-4807, -4608, -4409, -4210, -4011, -3811, -3611, -3411,
-3211, -3011, -2811, -2610, -2410, -2209, -2009, -1808,
-1607, -1406, -1206, -1005, -804, -603, -402, -201
};
int WebRtcSpl_ComplexFFT(WebRtc_Word16 frfi[], int stages, int mode)
{
int i, j, l, k, istep, n, m;
WebRtc_Word16 wr, wi;
WebRtc_Word32 tr32, ti32, qr32, qi32;
/* The 1024-value is a constant given from the size of WebRtcSpl_kSinTable1024[],
/* The 1024-value is a constant given from the size of kSinTable1024[],
* and should not be changed depending on the input parameter 'stages'
*/
n = 1 << stages;
@ -35,7 +170,7 @@ int WebRtcSpl_ComplexFFT(WebRtc_Word16 frfi[], int stages, int mode)
return -1;
l = 1;
k = 10 - 1; /* Constant for given WebRtcSpl_kSinTable1024[]. Do not change
k = 10 - 1; /* Constant for given kSinTable1024[]. Do not change
depending on the input parameter 'stages' */
if (mode == 0)
@ -50,11 +185,11 @@ int WebRtcSpl_ComplexFFT(WebRtc_Word16 frfi[], int stages, int mode)
j = m << k;
/* The 256-value is a constant given as 1/4 of the size of
* WebRtcSpl_kSinTable1024[], and should not be changed depending on the input
* kSinTable1024[], and should not be changed depending on the input
* parameter 'stages'. It will result in 0 <= j < N_SINE_WAVE/2
*/
wr = WebRtcSpl_kSinTable1024[j + 256];
wi = -WebRtcSpl_kSinTable1024[j];
wr = kSinTable1024[j + 256];
wi = -kSinTable1024[j];
for (i = m; i < n; i += istep)
{
@ -92,11 +227,11 @@ int WebRtcSpl_ComplexFFT(WebRtc_Word16 frfi[], int stages, int mode)
j = m << k;
/* The 256-value is a constant given as 1/4 of the size of
* WebRtcSpl_kSinTable1024[], and should not be changed depending on the input
* kSinTable1024[], and should not be changed depending on the input
* parameter 'stages'. It will result in 0 <= j < N_SINE_WAVE/2
*/
wr = WebRtcSpl_kSinTable1024[j + 256];
wi = -WebRtcSpl_kSinTable1024[j];
wr = kSinTable1024[j + 256];
wi = -kSinTable1024[j];
#ifdef WEBRTC_ARCH_ARM_V7A
WebRtc_Word32 wri;
@ -148,3 +283,143 @@ int WebRtcSpl_ComplexFFT(WebRtc_Word16 frfi[], int stages, int mode)
}
return 0;
}
int WebRtcSpl_ComplexIFFT(WebRtc_Word16 frfi[], int stages, int mode)
{
int i, j, l, k, istep, n, m, scale, shift;
WebRtc_Word16 wr, wi;
WebRtc_Word32 tr32, ti32, qr32, qi32;
WebRtc_Word32 tmp32, round2;
/* The 1024-value is a constant given from the size of kSinTable1024[],
* and should not be changed depending on the input parameter 'stages'
*/
n = 1 << stages;
if (n > 1024)
return -1;
scale = 0;
l = 1;
k = 10 - 1; /* Constant for given kSinTable1024[]. Do not change
depending on the input parameter 'stages' */
while (l < n)
{
// variable scaling, depending upon data
shift = 0;
round2 = 8192;
tmp32 = (WebRtc_Word32)WebRtcSpl_MaxAbsValueW16(frfi, 2 * n);
if (tmp32 > 13573)
{
shift++;
scale++;
round2 <<= 1;
}
if (tmp32 > 27146)
{
shift++;
scale++;
round2 <<= 1;
}
istep = l << 1;
if (mode == 0)
{
// mode==0: Low-complexity and Low-accuracy mode
for (m = 0; m < l; ++m)
{
j = m << k;
/* The 256-value is a constant given as 1/4 of the size of
* kSinTable1024[], and should not be changed depending on the input
* parameter 'stages'. It will result in 0 <= j < N_SINE_WAVE/2
*/
wr = kSinTable1024[j + 256];
wi = kSinTable1024[j];
for (i = m; i < n; i += istep)
{
j = i + l;
tr32 = WEBRTC_SPL_RSHIFT_W32((WEBRTC_SPL_MUL_16_16_RSFT(wr, frfi[2 * j], 0)
- WEBRTC_SPL_MUL_16_16_RSFT(wi, frfi[2 * j + 1], 0)), 15);
ti32 = WEBRTC_SPL_RSHIFT_W32(
(WEBRTC_SPL_MUL_16_16_RSFT(wr, frfi[2 * j + 1], 0)
+ WEBRTC_SPL_MUL_16_16_RSFT(wi,frfi[2*j],0)), 15);
qr32 = (WebRtc_Word32)frfi[2 * i];
qi32 = (WebRtc_Word32)frfi[2 * i + 1];
frfi[2 * j] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qr32 - tr32, shift);
frfi[2 * j + 1] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qi32 - ti32, shift);
frfi[2 * i] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qr32 + tr32, shift);
frfi[2 * i + 1] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qi32 + ti32, shift);
}
}
} else
{
// mode==1: High-complexity and High-accuracy mode
for (m = 0; m < l; ++m)
{
j = m << k;
/* The 256-value is a constant given as 1/4 of the size of
* kSinTable1024[], and should not be changed depending on the input
* parameter 'stages'. It will result in 0 <= j < N_SINE_WAVE/2
*/
wr = kSinTable1024[j + 256];
wi = kSinTable1024[j];
#ifdef WEBRTC_ARCH_ARM_V7A
WebRtc_Word32 wri;
WebRtc_Word32 frfi_r;
__asm__("pkhbt %0, %1, %2, lsl #16" : "=r"(wri) :
"r"((WebRtc_Word32)wr), "r"((WebRtc_Word32)wi));
#endif
for (i = m; i < n; i += istep)
{
j = i + l;
#ifdef WEBRTC_ARCH_ARM_V7A
__asm__("pkhbt %0, %1, %2, lsl #16" : "=r"(frfi_r) :
"r"((WebRtc_Word32)frfi[2*j]), "r"((WebRtc_Word32)frfi[2*j +1]));
__asm__("smlsd %0, %1, %2, %3" : "=r"(tr32) :
"r"(wri), "r"(frfi_r), "r"(CIFFTRND));
__asm__("smladx %0, %1, %2, %3" : "=r"(ti32) :
"r"(wri), "r"(frfi_r), "r"(CIFFTRND));
#else
tr32 = WEBRTC_SPL_MUL_16_16(wr, frfi[2 * j])
- WEBRTC_SPL_MUL_16_16(wi, frfi[2 * j + 1]) + CIFFTRND;
ti32 = WEBRTC_SPL_MUL_16_16(wr, frfi[2 * j + 1])
+ WEBRTC_SPL_MUL_16_16(wi, frfi[2 * j]) + CIFFTRND;
#endif
tr32 = WEBRTC_SPL_RSHIFT_W32(tr32, 15 - CIFFTSFT);
ti32 = WEBRTC_SPL_RSHIFT_W32(ti32, 15 - CIFFTSFT);
qr32 = ((WebRtc_Word32)frfi[2 * i]) << CIFFTSFT;
qi32 = ((WebRtc_Word32)frfi[2 * i + 1]) << CIFFTSFT;
frfi[2 * j] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32((qr32 - tr32+round2),
shift+CIFFTSFT);
frfi[2 * j + 1] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(
(qi32 - ti32 + round2), shift + CIFFTSFT);
frfi[2 * i] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32((qr32 + tr32 + round2),
shift + CIFFTSFT);
frfi[2 * i + 1] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(
(qi32 + ti32 + round2), shift + CIFFTSFT);
}
}
}
--k;
l = istep;
}
return scale;
}

161
src/common_audio/signal_processing/complex_ifft.c
View File

@ -1,161 +0,0 @@
/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* This file contains the function WebRtcSpl_ComplexIFFT().
* The description header can be found in signal_processing_library.h
*
*/
#include "signal_processing_library.h"
#define CIFFTSFT 14
#define CIFFTRND 1
int WebRtcSpl_ComplexIFFT(WebRtc_Word16 frfi[], int stages, int mode)
{
int i, j, l, k, istep, n, m, scale, shift;
WebRtc_Word16 wr, wi;
WebRtc_Word32 tr32, ti32, qr32, qi32;
WebRtc_Word32 tmp32, round2;
/* The 1024-value is a constant given from the size of WebRtcSpl_kSinTable1024[],
* and should not be changed depending on the input parameter 'stages'
*/
n = 1 << stages;
if (n > 1024)
return -1;
scale = 0;
l = 1;
k = 10 - 1; /* Constant for given WebRtcSpl_kSinTable1024[]. Do not change
depending on the input parameter 'stages' */
while (l < n)
{
// variable scaling, depending upon data
shift = 0;
round2 = 8192;
tmp32 = (WebRtc_Word32)WebRtcSpl_MaxAbsValueW16(frfi, 2 * n);
if (tmp32 > 13573)
{
shift++;
scale++;
round2 <<= 1;
}
if (tmp32 > 27146)
{
shift++;
scale++;
round2 <<= 1;
}
istep = l << 1;
if (mode == 0)
{
// mode==0: Low-complexity and Low-accuracy mode
for (m = 0; m < l; ++m)
{
j = m << k;
/* The 256-value is a constant given as 1/4 of the size of
* WebRtcSpl_kSinTable1024[], and should not be changed depending on the input
* parameter 'stages'. It will result in 0 <= j < N_SINE_WAVE/2
*/
wr = WebRtcSpl_kSinTable1024[j + 256];
wi = WebRtcSpl_kSinTable1024[j];
for (i = m; i < n; i += istep)
{
j = i + l;
tr32 = WEBRTC_SPL_RSHIFT_W32((WEBRTC_SPL_MUL_16_16_RSFT(wr, frfi[2 * j], 0)
- WEBRTC_SPL_MUL_16_16_RSFT(wi, frfi[2 * j + 1], 0)), 15);
ti32 = WEBRTC_SPL_RSHIFT_W32(
(WEBRTC_SPL_MUL_16_16_RSFT(wr, frfi[2 * j + 1], 0)
+ WEBRTC_SPL_MUL_16_16_RSFT(wi,frfi[2*j],0)), 15);
qr32 = (WebRtc_Word32)frfi[2 * i];
qi32 = (WebRtc_Word32)frfi[2 * i + 1];
frfi[2 * j] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qr32 - tr32, shift);
frfi[2 * j + 1] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qi32 - ti32, shift);
frfi[2 * i] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qr32 + tr32, shift);
frfi[2 * i + 1] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(qi32 + ti32, shift);
}
}
} else
{
// mode==1: High-complexity and High-accuracy mode
for (m = 0; m < l; ++m)
{
j = m << k;
/* The 256-value is a constant given as 1/4 of the size of
* WebRtcSpl_kSinTable1024[], and should not be changed depending on the input
* parameter 'stages'. It will result in 0 <= j < N_SINE_WAVE/2
*/
wr = WebRtcSpl_kSinTable1024[j + 256];
wi = WebRtcSpl_kSinTable1024[j];
#ifdef WEBRTC_ARCH_ARM_V7A
WebRtc_Word32 wri;
WebRtc_Word32 frfi_r;
__asm__("pkhbt %0, %1, %2, lsl #16" : "=r"(wri) :
"r"((WebRtc_Word32)wr), "r"((WebRtc_Word32)wi));
#endif
for (i = m; i < n; i += istep)
{
j = i + l;
#ifdef WEBRTC_ARCH_ARM_V7A
__asm__("pkhbt %0, %1, %2, lsl #16" : "=r"(frfi_r) :
"r"((WebRtc_Word32)frfi[2*j]), "r"((WebRtc_Word32)frfi[2*j +1]));
__asm__("smlsd %0, %1, %2, %3" : "=r"(tr32) :
"r"(wri), "r"(frfi_r), "r"(CIFFTRND));
__asm__("smladx %0, %1, %2, %3" : "=r"(ti32) :
"r"(wri), "r"(frfi_r), "r"(CIFFTRND));
#else
tr32 = WEBRTC_SPL_MUL_16_16(wr, frfi[2 * j])
- WEBRTC_SPL_MUL_16_16(wi, frfi[2 * j + 1]) + CIFFTRND;
ti32 = WEBRTC_SPL_MUL_16_16(wr, frfi[2 * j + 1])
+ WEBRTC_SPL_MUL_16_16(wi, frfi[2 * j]) + CIFFTRND;
#endif
tr32 = WEBRTC_SPL_RSHIFT_W32(tr32, 15 - CIFFTSFT);
ti32 = WEBRTC_SPL_RSHIFT_W32(ti32, 15 - CIFFTSFT);
qr32 = ((WebRtc_Word32)frfi[2 * i]) << CIFFTSFT;
qi32 = ((WebRtc_Word32)frfi[2 * i + 1]) << CIFFTSFT;
frfi[2 * j] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32((qr32 - tr32+round2),
shift+CIFFTSFT);
frfi[2 * j + 1] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(
(qi32 - ti32 + round2), shift + CIFFTSFT);
frfi[2 * i] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32((qr32 + tr32 + round2),
shift + CIFFTSFT);
frfi[2 * i + 1] = (WebRtc_Word16)WEBRTC_SPL_RSHIFT_W32(
(qi32 + ti32 + round2), shift + CIFFTSFT);
}
}
}
--k;
l = istep;
}
return scale;
}

60
src/common_audio/signal_processing/cos_table.c
View File

@ -1,60 +0,0 @@
/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* This file contains the 360 degree cos table.
*
*/
#include "signal_processing_library.h"
const WebRtc_Word16 WebRtcSpl_kCosTable[] = {
8192, 8190, 8187, 8180, 8172, 8160, 8147, 8130, 8112,
8091, 8067, 8041, 8012, 7982, 7948, 7912, 7874, 7834,
7791, 7745, 7697, 7647, 7595, 7540, 7483, 7424, 7362,
7299, 7233, 7164, 7094, 7021, 6947, 6870, 6791, 6710,
6627, 6542, 6455, 6366, 6275, 6182, 6087, 5991, 5892,
5792, 5690, 5586, 5481, 5374, 5265, 5155, 5043, 4930,
4815, 4698, 4580, 4461, 4341, 4219, 4096, 3971, 3845,
3719, 3591, 3462, 3331, 3200, 3068, 2935, 2801, 2667,
2531, 2395, 2258, 2120, 1981, 1842, 1703, 1563, 1422,
1281, 1140, 998, 856, 713, 571, 428, 285, 142,
0, -142, -285, -428, -571, -713, -856, -998, -1140,
-1281, -1422, -1563, -1703, -1842, -1981, -2120, -2258, -2395,
-2531, -2667, -2801, -2935, -3068, -3200, -3331, -3462, -3591,
-3719, -3845, -3971, -4095, -4219, -4341, -4461, -4580, -4698,
-4815, -4930, -5043, -5155, -5265, -5374, -5481, -5586, -5690,
-5792, -5892, -5991, -6087, -6182, -6275, -6366, -6455, -6542,
-6627, -6710, -6791, -6870, -6947, -7021, -7094, -7164, -7233,
-7299, -7362, -7424, -7483, -7540, -7595, -7647, -7697, -7745,
-7791, -7834, -7874, -7912, -7948, -7982, -8012, -8041, -8067,
-8091, -8112, -8130, -8147, -8160, -8172, -8180, -8187, -8190,
-8191, -8190, -8187, -8180, -8172, -8160, -8147, -8130, -8112,
-8091, -8067, -8041, -8012, -7982, -7948, -7912, -7874, -7834,
-7791, -7745, -7697, -7647, -7595, -7540, -7483, -7424, -7362,
-7299, -7233, -7164, -7094, -7021, -6947, -6870, -6791, -6710,
-6627, -6542, -6455, -6366, -6275, -6182, -6087, -5991, -5892,
-5792, -5690, -5586, -5481, -5374, -5265, -5155, -5043, -4930,
-4815, -4698, -4580, -4461, -4341, -4219, -4096, -3971, -3845,
-3719, -3591, -3462, -3331, -3200, -3068, -2935, -2801, -2667,
-2531, -2395, -2258, -2120, -1981, -1842, -1703, -1563, -1422,
-1281, -1140, -998, -856, -713, -571, -428, -285, -142,
0, 142, 285, 428, 571, 713, 856, 998, 1140,
1281, 1422, 1563, 1703, 1842, 1981, 2120, 2258, 2395,
2531, 2667, 2801, 2935, 3068, 3200, 3331, 3462, 3591,
3719, 3845, 3971, 4095, 4219, 4341, 4461, 4580, 4698,
4815, 4930, 5043, 5155, 5265, 5374, 5481, 5586, 5690,
5792, 5892, 5991, 6087, 6182, 6275, 6366, 6455, 6542,
6627, 6710, 6791, 6870, 6947, 7021, 7094, 7164, 7233,
7299, 7362, 7424, 7483, 7540, 7595, 7647, 7697, 7745,
7791, 7834, 7874, 7912, 7948, 7982, 8012, 8041, 8067,
8091, 8112, 8130, 8147, 8160, 8172, 8180, 8187, 8190
};

38
src/common_audio/signal_processing/get_hanning_window.c
View File

@ -17,6 +17,42 @@
#include "signal_processing_library.h"
// Hanning table with 256 entries
static const WebRtc_Word16 kHanningTable[] = {
1, 2, 6, 10, 15, 22, 30, 39,
50, 62, 75, 89, 104, 121, 138, 157,
178, 199, 222, 246, 271, 297, 324, 353,
383, 413, 446, 479, 513, 549, 586, 624,
663, 703, 744, 787, 830, 875, 920, 967,
1015, 1064, 1114, 1165, 1218, 1271, 1325, 1381,
1437, 1494, 1553, 1612, 1673, 1734, 1796, 1859,
1924, 1989, 2055, 2122, 2190, 2259, 2329, 2399,
2471, 2543, 2617, 2691, 2765, 2841, 2918, 2995,
3073, 3152, 3232, 3312, 3393, 3475, 3558, 3641,
3725, 3809, 3895, 3980, 4067, 4154, 4242, 4330,
4419, 4509, 4599, 4689, 4781, 4872, 4964, 5057,
5150, 5244, 5338, 5432, 5527, 5622, 5718, 5814,
5910, 6007, 6104, 6202, 6299, 6397, 6495, 6594,
6693, 6791, 6891, 6990, 7090, 7189, 7289, 7389,
7489, 7589, 7690, 7790, 7890, 7991, 8091, 8192,
8293, 8393, 8494, 8594, 8694, 8795, 8895, 8995,
9095, 9195, 9294, 9394, 9493, 9593, 9691, 9790,
9889, 9987, 10085, 10182, 10280, 10377, 10474, 10570,
10666, 10762, 10857, 10952, 11046, 11140, 11234, 11327,
11420, 11512, 11603, 11695, 11785, 11875, 11965, 12054,
12142, 12230, 12317, 12404, 12489, 12575, 12659, 12743,
12826, 12909, 12991, 13072, 13152, 13232, 13311, 13389,
13466, 13543, 13619, 13693, 13767, 13841, 13913, 13985,
14055, 14125, 14194, 14262, 14329, 14395, 14460, 14525,
14588, 14650, 14711, 14772, 14831, 14890, 14947, 15003,
15059, 15113, 15166, 15219, 15270, 15320, 15369, 15417,
15464, 15509, 15554, 15597, 15640, 15681, 15721, 15760,
15798, 15835, 15871, 15905, 15938, 15971, 16001, 16031,
16060, 16087, 16113, 16138, 16162, 16185, 16206, 16227,
16246, 16263, 16280, 16295, 16309, 16322, 16334, 16345,
16354, 16362, 16369, 16374, 16378, 16382, 16383, 16384
};
void WebRtcSpl_GetHanningWindow(WebRtc_Word16 *v, WebRtc_Word16 size)
{
int jj;
@ -35,7 +71,7 @@ void WebRtcSpl_GetHanningWindow(WebRtc_Word16 *v, WebRtc_Word16 size)
for (jj = 0; jj < size; jj++)
{
index += factor;
(*vptr1++) = WebRtcSpl_kHanningTable[index >> 22];
(*vptr1++) = kHanningTable[index >> 22];
}
}

53
src/common_audio/signal_processing/hanning_table.c
View File

@ -1,53 +0,0 @@
/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* This file contains the Hanning table with 256 entries.
*
*/
#include "signal_processing_library.h"
// Hanning table with 256 entries
const WebRtc_Word16 WebRtcSpl_kHanningTable[] = {
1, 2, 6, 10, 15, 22, 30, 39,
50, 62, 75, 89, 104, 121, 138, 157,
178, 199, 222, 246, 271, 297, 324, 353,
383, 413, 446, 479, 513, 549, 586, 624,
663, 703, 744, 787, 830, 875, 920, 967,
1015, 1064, 1114, 1165, 1218, 1271, 1325, 1381,
1437, 1494, 1553, 1612, 1673, 1734, 1796, 1859,
1924, 1989, 2055, 2122, 2190, 2259, 2329, 2399,
2471, 2543, 2617, 2691, 2765, 2841, 2918, 2995,
3073, 3152, 3232, 3312, 3393, 3475, 3558, 3641,
3725, 3809, 3895, 3980, 4067, 4154, 4242, 4330,
4419, 4509, 4599, 4689, 4781, 4872, 4964, 5057,
5150, 5244, 5338, 5432, 5527, 5622, 5718, 5814,
5910, 6007, 6104, 6202, 6299, 6397, 6495, 6594,
6693, 6791, 6891, 6990, 7090, 7189, 7289, 7389,
7489, 7589, 7690, 7790, 7890, 7991, 8091, 8192,
8293, 8393, 8494, 8594, 8694, 8795, 8895, 8995,
9095, 9195, 9294, 9394, 9493, 9593, 9691, 9790,
9889, 9987, 10085, 10182, 10280, 10377, 10474, 10570,
10666, 10762, 10857, 10952, 11046, 11140, 11234, 11327,
11420, 11512, 11603, 11695, 11785, 11875, 11965, 12054,
12142, 12230, 12317, 12404, 12489, 12575, 12659, 12743,
12826, 12909, 12991, 13072, 13152, 13232, 13311, 13389,
13466, 13543, 13619, 13693, 13767, 13841, 13913, 13985,
14055, 14125, 14194, 14262, 14329, 14395, 14460, 14525,
14588, 14650, 14711, 14772, 14831, 14890, 14947, 15003,
15059, 15113, 15166, 15219, 15270, 15320, 15369, 15417,
15464, 15509, 15554, 15597, 15640, 15681, 15721, 15760,
15798, 15835, 15871, 15905, 15938, 15971, 16001, 16031,
16060, 16087, 16113, 16138, 16162, 16185, 16206, 16227,
16246, 16263, 16280, 16295, 16309, 16322, 16334, 16345,
16354, 16362, 16369, 16374, 16378, 16382, 16383, 16384
};

10
src/common_audio/signal_processing/include/signal_processing_library.h
View File

@ -174,16 +174,6 @@ extern "C"
#define WEBRTC_SPL_MEMMOVE_W16(v1, v2, length) \
memmove(v1, v2, (length) * sizeof(WebRtc_Word16))
// Trigonometric tables used for quick lookup
// default declarations
extern const WebRtc_Word16 WebRtcSpl_kCosTable[];
extern const WebRtc_Word16 WebRtcSpl_kSinTable[];
extern const WebRtc_Word16 WebRtcSpl_kSinTable1024[];
// Hanning table
extern const WebRtc_Word16 WebRtcSpl_kHanningTable[];
// Random table
extern const WebRtc_Word16 WebRtcSpl_kRandNTable[];
// inline functions:
#include "spl_inl.h"

85
src/common_audio/signal_processing/randn_table.c
View File

@ -1,85 +0,0 @@
/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* Table with 512 samples from a normal distribution with mean 1 and std 1
* The values are shifted up 13 steps (multiplied by 8192)
*/
#include "signal_processing_library.h"
const WebRtc_Word16 WebRtcSpl_kRandNTable[] =
{
9178, -7260, 40, 10189, 4894, -3531, -13779, 14764,
-4008, -8884, -8990, 1008, 7368, 5184, 3251, -5817,
-9786, 5963, 1770, 8066, -7135, 10772, -2298, 1361,
6484, 2241, -8633, 792, 199, -3344, 6553, -10079,
-15040, 95, 11608, -12469, 14161, -4176, 2476, 6403,
13685, -16005, 6646, 2239, 10916, -3004, -602, -3141,
2142, 14144, -5829, 5305, 8209, 4713, 2697, -5112,
16092, -1210, -2891, -6631, -5360, -11878, -6781, -2739,
-6392, 536, 10923, 10872, 5059, -4748, -7770, 5477,
38, -1025, -2892, 1638, 6304, 14375, -11028, 1553,
-1565, 10762, -393, 4040, 5257, 12310, 6554, -4799,
4899, -6354, 1603, -1048, -2220, 8247, -186, -8944,
-12004, 2332, 4801, -4933, 6371, 131, 8614, -5927,
-8287, -22760, 4033, -15162, 3385, 3246, 3153, -5250,
3766, 784, 6494, -62, 3531, -1582, 15572, 662,
-3952, -330, -3196, 669, 7236, -2678, -6569, 23319,
-8645, -741, 14830, -15976, 4903, 315, -11342, 10311,
1858, -7777, 2145, 5436, 5677, -113, -10033, 826,
-1353, 17210, 7768, 986, -1471, 8291, -4982, 8207,
-14911, -6255, -2449, -11881, -7059, -11703, -4338, 8025,
7538, -2823, -12490, 9470, -1613, -2529, -10092, -7807,
9480, 6970, -12844, 5123, 3532, 4816, 4803, -8455,
-5045, 14032, -4378, -1643, 5756, -11041, -2732, -16618,
-6430, -18375, -3320, 6098, 5131, -4269, -8840, 2482,
-7048, 1547, -21890, -6505, -7414, -424, -11722, 7955,
1653, -17299, 1823, 473, -9232, 3337, 1111, 873,
4018, -8982, 9889, 3531, -11763, -3799, 7373, -4539,
3231, 7054, -8537, 7616, 6244, 16635, 447, -2915,
13967, 705, -2669, -1520, -1771, -16188, 5956, 5117,
6371, -9936, -1448, 2480, 5128, 7550, -8130, 5236,
8213, -6443, 7707, -1950, -13811, 7218, 7031, -3883,
67, 5731, -2874, 13480, -3743, 9298, -3280, 3552,
-4425, -18, -3785, -9988, -5357, 5477, -11794, 2117,
1416, -9935, 3376, 802, -5079, -8243, 12652, 66,
3653, -2368, 6781, -21895, -7227, 2487, 7839, -385,
6646, -7016, -4658, 5531, -1705, 834, 129, 3694,
-1343, 2238, -22640, -6417, -11139, 11301, -2945, -3494,
-5626, 185, -3615, -2041, -7972, -3106, -60, -23497,
-1566, 17064, 3519, 2518, 304, -6805, -10269, 2105,
1936, -426, -736, -8122, -1467, 4238, -6939, -13309,
360, 7402, -7970, 12576, 3287, 12194, -6289, -16006,
9171, 4042, -9193, 9123, -2512, 6388, -4734, -8739,
1028, -5406, -1696, 5889, -666, -4736, 4971, 3565,
9362, -6292, 3876, -3652, -19666, 7523, -4061, 391,
-11773, 7502, -3763, 4929, -9478, 13278, 2805, 4496,
7814, 16419, 12455, -14773, 2127, -2746, 3763, 4847,
3698, 6978, 4751, -6957, -3581, -45, 6252, 1513,
-4797, -7925, 11270, 16188, -2359, -5269, 9376, -10777,
7262, 20031, -6515, -2208, -5353, 8085, -1341, -1303,
7333, 5576, 3625, 5763, -7931, 9833, -3371, -10305,
6534, -13539, -9971, 997, 8464, -4064, -1495, 1857,
13624, 5458, 9490, -11086, -4524, 12022, -550, -198,
408, -8455, -7068, 10289, 9712, -3366, 9028, -7621,
-5243, 2362, 6909, 4672, -4933, -1799, 4709, -4563,
-62, -566, 1624, -7010, 14730, -17791, -3697, -2344,
-1741, 7099, -9509, -6855, -1989, 3495, -2289, 2031,
12784, 891, 14189, -3963, -5683, 421, -12575, 1724,
-12682, -5970, -8169, 3143, -1824, -5488, -5130, 8536,
12799, 794, 5738, 3459, -11689, -258, -3738, -3775,
-8742, 2333, 8312, -9383, 10331, 13119, 8398, 10644,
-19433, -6446, -16277, -11793, 16284, 9345, 15222, 15834,
2009, -7349, 130, -14547, 338, -5998, 3337, 21492,
2406, 7703, -951, 11196, -564, 3406, 2217, 4806,
2374, -5797, 11839, 8940, -11874, 18213, 2855, 10492
};

69
src/common_audio/signal_processing/randomization_functions.c
View File

@ -22,6 +22,73 @@
#include "signal_processing_library.h"
static const WebRtc_Word16 kRandNTable[] = {
9178, -7260, 40, 10189, 4894, -3531, -13779, 14764,
-4008, -8884, -8990, 1008, 7368, 5184, 3251, -5817,
-9786, 5963, 1770, 8066, -7135, 10772, -2298, 1361,
6484, 2241, -8633, 792, 199, -3344, 6553, -10079,
-15040, 95, 11608, -12469, 14161, -4176, 2476, 6403,
13685, -16005, 6646, 2239, 10916, -3004, -602, -3141,
2142, 14144, -5829, 5305, 8209, 4713, 2697, -5112,
16092, -1210, -2891, -6631, -5360, -11878, -6781, -2739,
-6392, 536, 10923, 10872, 5059, -4748, -7770, 5477,
38, -1025, -2892, 1638, 6304, 14375, -11028, 1553,
-1565, 10762, -393, 4040, 5257, 12310, 6554, -4799,
4899, -6354, 1603, -1048, -2220, 8247, -186, -8944,
-12004, 2332, 4801, -4933, 6371, 131, 8614, -5927,
-8287, -22760, 4033, -15162, 3385, 3246, 3153, -5250,
3766, 784, 6494, -62, 3531, -1582, 15572, 662,
-3952, -330, -3196, 669, 7236, -2678, -6569, 23319,
-8645, -741, 14830, -15976, 4903, 315, -11342, 10311,
1858, -7777, 2145, 5436, 5677, -113, -10033, 826,
-1353, 17210, 7768, 986, -1471, 8291, -4982, 8207,
-14911, -6255, -2449, -11881, -7059, -11703, -4338, 8025,
7538, -2823, -12490, 9470, -1613, -2529, -10092, -7807,
9480, 6970, -12844, 5123, 3532, 4816, 4803, -8455,
-5045, 14032, -4378, -1643, 5756, -11041, -2732, -16618,
-6430, -18375, -3320, 6098, 5131, -4269, -8840, 2482,
-7048, 1547, -21890, -6505, -7414, -424, -11722, 7955,
1653, -17299, 1823, 473, -9232, 3337, 1111, 873,
4018, -8982, 9889, 3531, -11763, -3799, 7373, -4539,
3231, 7054, -8537, 7616, 6244, 16635, 447, -2915,
13967, 705, -2669, -1520, -1771, -16188, 5956, 5117,
6371, -9936, -1448, 2480, 5128, 7550, -8130, 5236,
8213, -6443, 7707, -1950, -13811, 7218, 7031, -3883,
67, 5731, -2874, 13480, -3743, 9298, -3280, 3552,
-4425, -18, -3785, -9988, -5357, 5477, -11794, 2117,
1416, -9935, 3376, 802, -5079, -8243, 12652, 66,
3653, -2368, 6781, -21895, -7227, 2487, 7839, -385,
6646, -7016, -4658, 5531, -1705, 834, 129, 3694,
-1343, 2238, -22640, -6417, -11139, 11301, -2945, -3494,
-5626, 185, -3615, -2041, -7972, -3106, -60, -23497,
-1566, 17064, 3519, 2518, 304, -6805, -10269, 2105,
1936, -426, -736, -8122, -1467, 4238, -6939, -13309,
360, 7402, -7970, 12576, 3287, 12194, -6289, -16006,
9171, 4042, -9193, 9123, -2512, 6388, -4734, -8739,
1028, -5406, -1696, 5889, -666, -4736, 4971, 3565,
9362, -6292, 3876, -3652, -19666, 7523, -4061, 391,
-11773, 7502, -3763, 4929, -9478, 13278, 2805, 4496,
7814, 16419, 12455, -14773, 2127, -2746, 3763, 4847,
3698, 6978, 4751, -6957, -3581, -45, 6252, 1513,
-4797, -7925, 11270, 16188, -2359, -5269, 9376, -10777,
7262, 20031, -6515, -2208, -5353, 8085, -1341, -1303,
7333, 5576, 3625, 5763, -7931, 9833, -3371, -10305,
6534, -13539, -9971, 997, 8464, -4064, -1495, 1857,
13624, 5458, 9490, -11086, -4524, 12022, -550, -198,
408, -8455, -7068, 10289, 9712, -3366, 9028, -7621,
-5243, 2362, 6909, 4672, -4933, -1799, 4709, -4563,
-62, -566, 1624, -7010, 14730, -17791, -3697, -2344,
-1741, 7099, -9509, -6855, -1989, 3495, -2289, 2031,
12784, 891, 14189, -3963, -5683, 421, -12575, 1724,
-12682, -5970, -8169, 3143, -1824, -5488, -5130, 8536,
12799, 794, 5738, 3459, -11689, -258, -3738, -3775,
-8742, 2333, 8312, -9383, 10331, 13119, 8398, 10644,
-19433, -6446, -16277, -11793, 16284, 9345, 15222, 15834,
2009, -7349, 130, -14547, 338, -5998, 3337, 21492,
2406, 7703, -951, 11196, -564, 3406, 2217, 4806,
2374, -5797, 11839, 8940, -11874, 18213, 2855, 10492
};
WebRtc_UWord32 WebRtcSpl_IncreaseSeed(WebRtc_UWord32 *seed)
{
seed[0] = (seed[0] * ((WebRtc_Word32)69069) + 1) & (WEBRTC_SPL_MAX_SEED_USED - 1);
@ -35,7 +102,7 @@ WebRtc_Word16 WebRtcSpl_RandU(WebRtc_UWord32 *seed)
WebRtc_Word16 WebRtcSpl_RandN(WebRtc_UWord32 *seed)
{
return WebRtcSpl_kRandNTable[WebRtcSpl_IncreaseSeed(seed) >> 23];
return kRandNTable[WebRtcSpl_IncreaseSeed(seed) >> 23];
}
// Creates an array of uniformly distributed variables

6
src/common_audio/signal_processing/signal_processing.gypi
View File

@ -25,10 +25,8 @@
'auto_corr_to_refl_coef.c',
'auto_correlation.c',
'complex_fft.c',
'complex_ifft.c',
'complex_bit_reverse.c',
'copy_set_operations.c',
'cos_table.c',
'cross_correlation.c',
'division_operations.c',
'dot_product_with_scale.c',
@ -39,12 +37,10 @@
'filter_ma_fast_q12.c',
'get_hanning_window.c',
'get_scaling_square.c',
'hanning_table.c',
'ilbc_specific_functions.c',
'levinson_durbin.c',
'lpc_to_refl_coef.c',
'min_max_operations.c',
'randn_table.c',
'randomization_functions.c',
'refl_coef_to_lpc.c',
'resample.c',
@ -53,8 +49,6 @@
'resample_by_2_internal.c',
'resample_by_2_internal.h',
'resample_fractional.c',
'sin_table.c',
'sin_table_1024.c',
'spl_sqrt.c',
'spl_sqrt_floor.c',
'spl_version.c',

60
src/common_audio/signal_processing/sin_table.c
View File

@ -1,60 +0,0 @@
/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* This file contains the 360 degree sine table.
*
*/
#include "signal_processing_library.h"
const WebRtc_Word16 WebRtcSpl_kSinTable[] = {
0, 142, 285, 428, 571, 713, 856, 998, 1140,
1281, 1422, 1563, 1703, 1842, 1981, 2120, 2258, 2395,
2531, 2667, 2801, 2935, 3068, 3200, 3331, 3462, 3591,
3719, 3845, 3971, 4095, 4219, 4341, 4461, 4580, 4698,
4815, 4930, 5043, 5155, 5265, 5374, 5481, 5586, 5690,
5792, 5892, 5991, 6087, 6182, 6275, 6366, 6455, 6542,
6627, 6710, 6791, 6870, 6947, 7021, 7094, 7164, 7233,
7299, 7362, 7424, 7483, 7540, 7595, 7647, 7697, 7745,
7791, 7834, 7874, 7912, 7948, 7982, 8012, 8041, 8067,
8091, 8112, 8130, 8147, 8160, 8172, 8180, 8187, 8190,
8191, 8190, 8187, 8180, 8172, 8160, 8147, 8130, 8112,
8091, 8067, 8041, 8012, 7982, 7948, 7912, 7874, 7834,
7791, 7745, 7697, 7647, 7595, 7540, 7483, 7424, 7362,
7299, 7233, 7164, 7094, 7021, 6947, 6870, 6791, 6710,
6627, 6542, 6455, 6366, 6275, 6182, 6087, 5991, 5892,
5792, 5690, 5586, 5481, 5374, 5265, 5155, 5043, 4930,
4815, 4698, 4580, 4461, 4341, 4219, 4096, 3971, 3845,
3719, 3591, 3462, 3331, 3200, 3068, 2935, 2801, 2667,
2531, 2395, 2258, 2120, 1981, 1842, 1703, 1563, 1422,
1281, 1140, 998, 856, 713, 571, 428, 285, 142,
0, -142, -285, -428, -571, -713, -856, -998, -1140,
-1281, -1422, -1563, -1703, -1842, -1981, -2120, -2258, -2395,
-2531, -2667, -2801, -2935, -3068, -3200, -3331, -3462, -3591,
-3719, -3845, -3971, -4095, -4219, -4341, -4461, -4580, -4698,
-4815, -4930, -5043, -5155, -5265, -5374, -5481, -5586, -5690,
-5792, -5892, -5991, -6087, -6182, -6275, -6366, -6455, -6542,
-6627, -6710, -6791, -6870, -6947, -7021, -7094, -7164, -7233,
-7299, -7362, -7424, -7483, -7540, -7595, -7647, -7697, -7745,
-7791, -7834, -7874, -7912, -7948, -7982, -8012, -8041, -8067,
-8091, -8112, -8130, -8147, -8160, -8172, -8180, -8187, -8190,
-8191, -8190, -8187, -8180, -8172, -8160, -8147, -8130, -8112,
-8091, -8067, -8041, -8012, -7982, -7948, -7912, -7874, -7834,
-7791, -7745, -7697, -7647, -7595, -7540, -7483, -7424, -7362,
-7299, -7233, -7164, -7094, -7021, -6947, -6870, -6791, -6710,
-6627, -6542, -6455, -6366, -6275, -6182, -6087, -5991, -5892,
-5792, -5690, -5586, -5481, -5374, -5265, -5155, -5043, -4930,
-4815, -4698, -4580, -4461, -4341, -4219, -4096, -3971, -3845,
-3719, -3591, -3462, -3331, -3200, -3068, -2935, -2801, -2667,
-2531, -2395, -2258, -2120, -1981, -1842, -1703, -1563, -1422,
-1281, -1140, -998, -856, -713, -571, -428, -285, -142
};

150
src/common_audio/signal_processing/sin_table_1024.c
View File

@ -1,150 +0,0 @@
/*
* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
/*
* This file contains the 1024 point sine table.
*
*/
#include "signal_processing_library.h"
const WebRtc_Word16 WebRtcSpl_kSinTable1024[] =
{
0, 201, 402, 603, 804, 1005, 1206, 1406,
1607, 1808, 2009, 2209, 2410, 2610, 2811, 3011,
3211, 3411, 3611, 3811, 4011, 4210, 4409, 4608,
4807, 5006, 5205, 5403, 5601, 5799, 5997, 6195,
6392, 6589, 6786, 6982, 7179, 7375, 7571, 7766,
7961, 8156, 8351, 8545, 8739, 8932, 9126, 9319,
9511, 9703, 9895, 10087, 10278, 10469, 10659, 10849,
11038, 11227, 11416, 11604, 11792, 11980, 12166, 12353,
12539, 12724, 12909, 13094, 13278, 13462, 13645, 13827,
14009, 14191, 14372, 14552, 14732, 14911, 15090, 15268,
15446, 15623, 15799, 15975, 16150, 16325, 16499, 16672,
16845, 17017, 17189, 17360, 17530, 17699, 17868, 18036,
18204, 18371, 18537, 18702, 18867, 19031, 19194, 19357,
19519, 19680, 19840, 20000, 20159, 20317, 20474, 20631,
20787, 20942, 21096, 21249, 21402, 21554, 21705, 21855,
22004, 22153, 22301, 22448, 22594, 22739, 22883, 23027,
23169, 23311, 23452, 23592, 23731, 23869, 24006, 24143,
24278, 24413, 24546, 24679, 24811, 24942, 25072, 25201,
25329, 25456, 25582, 25707, 25831, 25954, 26077, 26198,
26318, 26437, 26556, 26673, 26789, 26905, 27019, 27132,
27244, 27355, 27466, 27575, 27683, 27790, 27896, 28001,
28105, 28208, 28309, 28410, 28510, 28608, 28706, 28802,
28897, 28992, 29085, 29177, 29268, 29358, 29446, 29534,
29621, 29706, 29790, 29873, 29955, 30036, 30116, 30195,
30272, 30349, 30424, 30498, 30571, 30643, 30713, 30783,
30851, 30918, 30984, 31049,
31113, 31175, 31236, 31297,
31356, 31413, 31470, 31525, 31580, 31633, 31684, 31735,
31785, 31833, 31880, 31926, 31970, 32014, 32056, 32097,
32137, 32176, 32213, 32249, 32284, 32318, 32350, 32382,
32412, 32441, 32468, 32495, 32520, 32544, 32567, 32588,
32609, 32628, 32646, 32662, 32678, 32692, 32705, 32717,
32727, 32736, 32744, 32751, 32757, 32761, 32764, 32766,
32767, 32766, 32764, 32761, 32757, 32751, 32744, 32736,
32727, 32717, 32705, 32692, 32678, 32662, 32646, 32628,
32609, 32588, 32567, 32544, 32520, 32495, 32468, 32441,
32412, 32382, 32350, 32318, 32284, 32249, 32213, 32176,
32137, 32097, 32056, 32014, 31970, 31926, 31880, 31833,
31785, 31735, 31684, 31633, 31580, 31525, 31470, 31413,
31356, 31297, 31236, 31175, 31113, 31049, 30984, 30918,
30851, 30783, 30713, 30643, 30571, 30498, 30424, 30349,
30272, 30195, 30116, 30036, 29955, 29873, 29790, 29706,
29621, 29534, 29446, 29358, 29268, 29177, 29085, 28992,
28897, 28802, 28706, 28608, 28510, 28410, 28309, 28208,
28105, 28001, 27896, 27790, 27683, 27575, 27466, 27355,
27244, 27132, 27019, 26905, 26789, 26673, 26556, 26437,
26318, 26198, 26077, 25954, 25831, 25707, 25582, 25456,
25329, 25201, 25072, 24942, 24811, 24679, 24546, 24413,
24278, 24143, 24006, 23869, 23731, 23592, 23452, 23311,
23169, 23027, 22883, 22739, 22594, 22448, 22301, 22153,
22004, 21855, 21705, 21554, 21402, 21249, 21096, 20942,
20787, 20631, 20474, 20317, 20159, 20000, 19840, 19680,
19519, 19357, 19194, 19031, 18867, 18702, 18537, 18371,
18204, 18036, 17868, 17699, 17530, 17360, 17189, 17017,
16845, 16672, 16499, 16325, 16150, 15975, 15799, 15623,
15446, 15268, 15090, 14911, 14732, 14552, 14372, 14191,
14009, 13827, 13645, 13462, 13278, 13094, 12909, 12724,
12539, 12353, 12166, 11980, 11792, 11604, 11416, 11227,
11038, 10849, 10659, 10469, 10278, 10087, 9895, 9703,
9511, 9319, 9126, 8932, 8739, 8545, 8351, 8156,
7961, 7766, 7571, 7375, 7179, 6982, 6786, 6589,
6392, 6195, 5997, 5799, 5601, 5403, 5205, 5006,
4807, 4608, 4409, 4210, 4011, 3811, 3611, 3411,
3211, 3011, 2811, 2610, 2410, 2209, 2009, 1808,
1607, 1406, 1206, 1005, 804, 603, 402, 201,
0, -201, -402, -603, -804, -1005, -1206, -1406,
-1607, -1808, -2009, -2209, -2410, -2610, -2811, -3011,
-3211, -3411, -3611, -3811, -4011, -4210, -4409, -4608,
-4807, -5006, -5205, -5403, -5601, -5799, -5997, -6195,
-6392, -6589, -6786, -6982, -7179, -7375, -7571, -7766,
-7961, -8156, -8351, -8545, -8739, -8932, -9126, -9319,
-9511, -9703, -9895, -10087, -10278, -10469, -10659, -10849,
-11038, -11227, -11416, -11604, -11792, -11980, -12166, -12353,
-12539, -12724, -12909, -13094, -13278, -13462, -13645, -13827,
-14009, -14191, -14372, -14552, -14732, -14911, -15090, -15268,
-15446, -15623, -15799, -15975, -16150, -16325, -16499, -16672,
-16845, -17017, -17189, -17360, -17530, -17699, -17868, -18036,
-18204, -18371, -18537, -18702, -18867, -19031, -19194, -19357,
-19519, -19680, -19840, -20000, -20159, -20317, -20474, -20631,
-20787, -20942, -21096, -21249, -21402, -21554, -21705, -21855,
-22004, -22153, -22301, -22448, -22594, -22739, -22883, -23027,
-23169, -23311, -23452, -23592, -23731, -23869, -24006, -24143,
-24278, -24413, -24546, -24679, -24811, -24942, -25072, -25201,
-25329, -25456, -25582, -25707, -25831, -25954, -26077, -26198,
-26318, -26437, -26556, -26673, -26789, -26905, -27019, -27132,
-27244, -27355, -27466, -27575, -27683, -27790, -27896, -28001,
-28105, -28208, -28309, -28410, -28510, -28608, -28706, -28802,
-28897, -28992, -29085, -29177, -29268, -29358, -29446, -29534,
-29621, -29706, -29790, -29873, -29955, -30036, -30116, -30195,
-30272, -30349, -30424, -30498, -30571, -30643, -30713, -30783,
-30851, -30918, -30984, -31049, -31113, -31175, -31236, -31297,
-31356, -31413, -31470, -31525, -31580, -31633, -31684, -31735,
-31785, -31833, -31880, -31926, -31970, -32014, -32056, -32097,
-32137, -32176, -32213, -32249, -32284, -32318, -32350, -32382,
-32412, -32441, -32468, -32495, -32520, -32544, -32567, -32588,
-32609, -32628, -32646, -32662, -32678, -32692, -32705, -32717,
-32727, -32736, -32744, -32751, -32757, -32761, -32764, -32766,
-32767, -32766, -32764, -32761, -32757, -32751, -32744, -32736,
-32727, -32717, -32705, -32692, -32678, -32662, -32646, -32628,
-32609, -32588, -32567, -32544, -32520, -32495, -32468, -32441,
-32412, -32382, -32350, -32318, -32284, -32249, -32213, -32176,
-32137, -32097, -32056, -32014, -31970, -31926, -31880, -31833,
-31785, -31735, -31684, -31633, -31580, -31525, -31470, -31413,
-31356, -31297, -31236, -31175, -31113, -31049, -30984, -30918,
-30851, -30783, -30713, -30643, -30571, -30498, -30424, -30349,
-30272, -30195, -30116, -30036, -29955, -29873, -29790, -29706,
-29621, -29534, -29446, -29358, -29268, -29177, -29085, -28992,
-28897, -28802, -28706, -28608, -28510, -28410, -28309, -28208,
-28105, -28001, -27896, -27790, -27683, -27575, -27466, -27355,
-27244, -27132, -27019, -26905, -26789, -26673, -26556, -26437,
-26318, -26198, -26077, -25954, -25831, -25707, -25582, -25456,
-25329, -25201, -25072, -24942, -24811, -24679, -24546, -24413,
-24278, -24143, -24006, -23869, -23731, -23592, -23452, -23311,
-23169, -23027, -22883, -22739, -22594, -22448, -22301, -22153,
-22004, -21855, -21705, -21554, -21402, -21249, -21096, -20942,
-20787, -20631, -20474, -20317, -20159, -20000, -19840, -19680,
-19519, -19357, -19194, -19031, -18867, -18702, -18537, -18371,
-18204, -18036, -17868, -17699, -17530, -17360, -17189, -17017,
-16845, -16672, -16499, -16325, -16150, -15975, -15799, -15623,
-15446, -15268, -15090, -14911, -14732, -14552, -14372, -14191,
-14009, -13827, -13645, -13462, -13278, -13094, -12909, -12724,
-12539, -12353, -12166, -11980, -11792, -11604, -11416, -11227,
-11038, -10849, -10659, -10469, -10278, -10087, -9895, -9703,
-9511, -9319, -9126, -8932, -8739, -8545, -8351, -8156,
-7961, -7766, -7571, -7375, -7179, -6982, -6786, -6589,
-6392, -6195, -5997, -5799, -5601, -5403, -5205, -5006,
-4807, -4608, -4409, -4210, -4011, -3811, -3611, -3411,
-3211, -3011, -2811, -2610, -2410, -2209, -2009, -1808,
-1607, -1406, -1206, -1005, -804, -603, -402, -201,
};

95
src/modules/audio_processing/aecm/aecm_core.c
View File

@ -102,6 +102,97 @@ static const WebRtc_Word16 kChannelStored16kHz[PART_LEN1] = {
3153
};
static const WebRtc_Word16 kCosTable[] = {
8192, 8190, 8187, 8180, 8172, 8160, 8147, 8130, 8112,
8091, 8067, 8041, 8012, 7982, 7948, 7912, 7874, 7834,
7791, 7745, 7697, 7647, 7595, 7540, 7483, 7424, 7362,
7299, 7233, 7164, 7094, 7021, 6947, 6870, 6791, 6710,
6627, 6542, 6455, 6366, 6275, 6182, 6087, 5991, 5892,
5792, 5690, 5586, 5481, 5374, 5265, 5155, 5043, 4930,
4815, 4698, 4580, 4461, 4341, 4219, 4096, 3971, 3845,
3719, 3591, 3462, 3331, 3200, 3068, 2935, 2801, 2667,
2531, 2395, 2258, 2120, 1981, 1842, 1703, 1563, 1422,
1281, 1140, 998, 856, 713, 571, 428, 285, 142,
0, -142, -285, -428, -571, -713, -856, -998, -1140,
-1281, -1422, -1563, -1703, -1842, -1981, -2120, -2258, -2395,
-2531, -2667, -2801, -2935, -3068, -3200, -3331, -3462, -3591,
-3719, -3845, -3971, -4095, -4219, -4341, -4461, -4580, -4698,
-4815, -4930, -5043, -5155, -5265, -5374, -5481, -5586, -5690,
-5792, -5892, -5991, -6087, -6182, -6275, -6366, -6455, -6542,
-6627, -6710, -6791, -6870, -6947, -7021, -7094, -7164, -7233,
-7299, -7362, -7424, -7483, -7540, -7595, -7647, -7697, -7745,
-7791, -7834, -7874, -7912, -7948, -7982, -8012, -8041, -8067,
-8091, -8112, -8130, -8147, -8160, -8172, -8180, -8187, -8190,
-8191, -8190, -8187, -8180, -8172, -8160, -8147, -8130, -8112,
-8091, -8067, -8041, -8012, -7982, -7948, -7912, -7874, -7834,
-7791, -7745, -7697, -7647, -7595, -7540, -7483, -7424, -7362,
-7299, -7233, -7164, -7094, -7021, -6947, -6870, -6791, -6710,
-6627, -6542, -6455, -6366, -6275, -6182, -6087, -5991, -5892,
-5792, -5690, -5586, -5481, -5374, -5265, -5155, -5043, -4930,
-4815, -4698, -4580, -4461, -4341, -4219, -4096, -3971, -3845,
-3719, -3591, -3462, -3331, -3200, -3068, -2935, -2801, -2667,
-2531, -2395, -2258, -2120, -1981, -1842, -1703, -1563, -1422,
-1281, -1140, -998, -856, -713, -571, -428, -285, -142,
0, 142, 285, 428, 571, 713, 856, 998, 1140,
1281, 1422, 1563, 1703, 1842, 1981, 2120, 2258, 2395,
2531, 2667, 2801, 2935, 3068, 3200, 3331, 3462, 3591,
3719, 3845, 3971, 4095, 4219, 4341, 4461, 4580, 4698,
4815, 4930, 5043, 5155, 5265, 5374, 5481, 5586, 5690,
5792, 5892, 5991, 6087, 6182, 6275, 6366, 6455, 6542,
6627, 6710, 6791, 6870, 6947, 7021, 7094, 7164, 7233,
7299, 7362, 7424, 7483, 7540, 7595, 7647, 7697, 7745,
7791, 7834, 7874, 7912, 7948, 7982, 8012, 8041, 8067,
8091, 8112, 8130, 8147, 8160, 8172, 8180, 8187, 8190
};
static const WebRtc_Word16 kSinTable[] = {
0, 142, 285, 428, 571, 713, 856, 998,
1140, 1281, 1422, 1563, 1703, 1842, 1981, 2120,
2258, 2395, 2531, 2667, 2801, 2935, 3068, 3200,
3331, 3462, 3591, 3719, 3845, 3971, 4095, 4219,
4341, 4461, 4580, 4698, 4815, 4930, 5043, 5155,
5265, 5374, 5481, 5586, 5690, 5792, 5892, 5991,
6087, 6182, 6275, 6366, 6455, 6542, 6627, 6710,
6791, 6870, 6947, 7021, 7094, 7164, 7233, 7299,
7362, 7424, 7483, 7540, 7595, 7647, 7697, 7745,
7791, 7834, 7874, 7912, 7948, 7982, 8012, 8041,
8067, 8091, 8112, 8130, 8147, 8160, 8172, 8180,
8187, 8190, 8191, 8190, 8187, 8180, 8172, 8160,
8147, 8130, 8112, 8091, 8067, 8041, 8012, 7982,
7948, 7912, 7874, 7834, 7791, 7745, 7697, 7647,
7595, 7540, 7483, 7424, 7362, 7299, 7233, 7164,
7094, 7021, 6947, 6870, 6791, 6710, 6627, 6542,
6455, 6366, 6275, 6182, 6087, 5991, 5892, 5792,
5690, 5586, 5481, 5374, 5265, 5155, 5043, 4930,
4815, 4698, 4580, 4461, 4341, 4219, 4096, 3971,
3845, 3719, 3591, 3462, 3331, 3200, 3068, 2935,
2801, 2667, 2531, 2395, 2258, 2120, 1981, 1842,
1703, 1563, 1422, 1281, 1140, 998, 856, 713,
571, 428, 285, 142, 0, -142, -285, -428,
-571, -713, -856, -998, -1140, -1281, -1422, -1563,
-1703, -1842, -1981, -2120, -2258, -2395, -2531, -2667,
-2801, -2935, -3068, -3200, -3331, -3462, -3591, -3719,
-3845, -3971, -4095, -4219, -4341, -4461, -4580, -4698,
-4815, -4930, -5043, -5155, -5265, -5374, -5481, -5586,
-5690, -5792, -5892, -5991, -6087, -6182, -6275, -6366,
-6455, -6542, -6627, -6710, -6791, -6870, -6947, -7021,
-7094, -7164, -7233, -7299, -7362, -7424, -7483, -7540,
-7595, -7647, -7697, -7745, -7791, -7834, -7874, -7912,
-7948, -7982, -8012, -8041, -8067, -8091, -8112, -8130,
-8147, -8160, -8172, -8180, -8187, -8190, -8191, -8190,
-8187, -8180, -8172, -8160, -8147, -8130, -8112, -8091,
-8067, -8041, -8012, -7982, -7948, -7912, -7874, -7834,
-7791, -7745, -7697, -7647, -7595, -7540, -7483, -7424,
-7362, -7299, -7233, -7164, -7094, -7021, -6947, -6870,
-6791, -6710, -6627, -6542, -6455, -6366, -6275, -6182,
-6087, -5991, -5892, -5792, -5690, -5586, -5481, -5374,
-5265, -5155, -5043, -4930, -4815, -4698, -4580, -4461,
-4341, -4219, -4096, -3971, -3845, -3719, -3591, -3462,
-3331, -3200, -3068, -2935, -2801, -2667, -2531, -2395,
-2258, -2120, -1981, -1842, -1703, -1563, -1422, -1281,
-1140, -998, -856, -713, -571, -428, -285, -142
};
static const WebRtc_Word16 kNoiseEstQDomain = 15;
static const WebRtc_Word16 kNoiseEstIncCount = 5;
@ -1710,9 +1801,9 @@ static void ComfortNoise(AecmCore_t* aecm,
// Tables are in Q13.
uReal[i] = (WebRtc_Word16)WEBRTC_SPL_MUL_16_16_RSFT(noiseRShift16[i],
WebRtcSpl_kCosTable[tmp16], 13);
kCosTable[tmp16], 13);
uImag[i] = (WebRtc_Word16)WEBRTC_SPL_MUL_16_16_RSFT(-noiseRShift16[i],
WebRtcSpl_kSinTable[tmp16], 13);
kSinTable[tmp16], 13);
}
uImag[PART_LEN] = 0;