mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-18 14:07:30 +00:00
336 lines
7.0 KiB
C
336 lines
7.0 KiB
C
/*
|
|
* Copyright (c) 2014 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.
|
|
*/
|
|
|
|
#include "webrtc/modules/audio_processing/aec/aec_rdft.h"
|
|
#include "webrtc/typedefs.h"
|
|
|
|
static void bitrv2_128_mips(float *a) {
|
|
// n is 128
|
|
float xr, xi, yr, yi;
|
|
|
|
xr = a[8];
|
|
xi = a[9];
|
|
yr = a[16];
|
|
yi = a[17];
|
|
a[8] = yr;
|
|
a[9] = yi;
|
|
a[16] = xr;
|
|
a[17] = xi;
|
|
|
|
xr = a[64];
|
|
xi = a[65];
|
|
yr = a[2];
|
|
yi = a[3];
|
|
a[64] = yr;
|
|
a[65] = yi;
|
|
a[2] = xr;
|
|
a[3] = xi;
|
|
|
|
xr = a[72];
|
|
xi = a[73];
|
|
yr = a[18];
|
|
yi = a[19];
|
|
a[72] = yr;
|
|
a[73] = yi;
|
|
a[18] = xr;
|
|
a[19] = xi;
|
|
|
|
xr = a[80];
|
|
xi = a[81];
|
|
yr = a[10];
|
|
yi = a[11];
|
|
a[80] = yr;
|
|
a[81] = yi;
|
|
a[10] = xr;
|
|
a[11] = xi;
|
|
|
|
xr = a[88];
|
|
xi = a[89];
|
|
yr = a[26];
|
|
yi = a[27];
|
|
a[88] = yr;
|
|
a[89] = yi;
|
|
a[26] = xr;
|
|
a[27] = xi;
|
|
|
|
xr = a[74];
|
|
xi = a[75];
|
|
yr = a[82];
|
|
yi = a[83];
|
|
a[74] = yr;
|
|
a[75] = yi;
|
|
a[82] = xr;
|
|
a[83] = xi;
|
|
|
|
xr = a[32];
|
|
xi = a[33];
|
|
yr = a[4];
|
|
yi = a[5];
|
|
a[32] = yr;
|
|
a[33] = yi;
|
|
a[4] = xr;
|
|
a[5] = xi;
|
|
|
|
xr = a[40];
|
|
xi = a[41];
|
|
yr = a[20];
|
|
yi = a[21];
|
|
a[40] = yr;
|
|
a[41] = yi;
|
|
a[20] = xr;
|
|
a[21] = xi;
|
|
|
|
xr = a[48];
|
|
xi = a[49];
|
|
yr = a[12];
|
|
yi = a[13];
|
|
a[48] = yr;
|
|
a[49] = yi;
|
|
a[12] = xr;
|
|
a[13] = xi;
|
|
|
|
xr = a[56];
|
|
xi = a[57];
|
|
yr = a[28];
|
|
yi = a[29];
|
|
a[56] = yr;
|
|
a[57] = yi;
|
|
a[28] = xr;
|
|
a[29] = xi;
|
|
|
|
xr = a[34];
|
|
xi = a[35];
|
|
yr = a[68];
|
|
yi = a[69];
|
|
a[34] = yr;
|
|
a[35] = yi;
|
|
a[68] = xr;
|
|
a[69] = xi;
|
|
|
|
xr = a[42];
|
|
xi = a[43];
|
|
yr = a[84];
|
|
yi = a[85];
|
|
a[42] = yr;
|
|
a[43] = yi;
|
|
a[84] = xr;
|
|
a[85] = xi;
|
|
|
|
xr = a[50];
|
|
xi = a[51];
|
|
yr = a[76];
|
|
yi = a[77];
|
|
a[50] = yr;
|
|
a[51] = yi;
|
|
a[76] = xr;
|
|
a[77] = xi;
|
|
|
|
xr = a[58];
|
|
xi = a[59];
|
|
yr = a[92];
|
|
yi = a[93];
|
|
a[58] = yr;
|
|
a[59] = yi;
|
|
a[92] = xr;
|
|
a[93] = xi;
|
|
|
|
xr = a[44];
|
|
xi = a[45];
|
|
yr = a[52];
|
|
yi = a[53];
|
|
a[44] = yr;
|
|
a[45] = yi;
|
|
a[52] = xr;
|
|
a[53] = xi;
|
|
|
|
xr = a[96];
|
|
xi = a[97];
|
|
yr = a[6];
|
|
yi = a[7];
|
|
a[96] = yr;
|
|
a[97] = yi;
|
|
a[6] = xr;
|
|
a[7] = xi;
|
|
|
|
xr = a[104];
|
|
xi = a[105];
|
|
yr = a[22];
|
|
yi = a[23];
|
|
a[104] = yr;
|
|
a[105] = yi;
|
|
a[22] = xr;
|
|
a[23] = xi;
|
|
|
|
xr = a[112];
|
|
xi = a[113];
|
|
yr = a[14];
|
|
yi = a[15];
|
|
a[112] = yr;
|
|
a[113] = yi;
|
|
a[14] = xr;
|
|
a[15] = xi;
|
|
|
|
xr = a[120];
|
|
xi = a[121];
|
|
yr = a[30];
|
|
yi = a[31];
|
|
a[120] = yr;
|
|
a[121] = yi;
|
|
a[30] = xr;
|
|
a[31] = xi;
|
|
|
|
xr = a[98];
|
|
xi = a[99];
|
|
yr = a[70];
|
|
yi = a[71];
|
|
a[98] = yr;
|
|
a[99] = yi;
|
|
a[70] = xr;
|
|
a[71] = xi;
|
|
|
|
xr = a[106];
|
|
xi = a[107];
|
|
yr = a[86];
|
|
yi = a[87];
|
|
a[106] = yr;
|
|
a[107] = yi;
|
|
a[86] = xr;
|
|
a[87] = xi;
|
|
|
|
xr = a[114];
|
|
xi = a[115];
|
|
yr = a[78];
|
|
yi = a[79];
|
|
a[114] = yr;
|
|
a[115] = yi;
|
|
a[78] = xr;
|
|
a[79] = xi;
|
|
|
|
xr = a[122];
|
|
xi = a[123];
|
|
yr = a[94];
|
|
yi = a[95];
|
|
a[122] = yr;
|
|
a[123] = yi;
|
|
a[94] = xr;
|
|
a[95] = xi;
|
|
|
|
xr = a[100];
|
|
xi = a[101];
|
|
yr = a[38];
|
|
yi = a[39];
|
|
a[100] = yr;
|
|
a[101] = yi;
|
|
a[38] = xr;
|
|
a[39] = xi;
|
|
|
|
xr = a[108];
|
|
xi = a[109];
|
|
yr = a[54];
|
|
yi = a[55];
|
|
a[108] = yr;
|
|
a[109] = yi;
|
|
a[54] = xr;
|
|
a[55] = xi;
|
|
|
|
xr = a[116];
|
|
xi = a[117];
|
|
yr = a[46];
|
|
yi = a[47];
|
|
a[116] = yr;
|
|
a[117] = yi;
|
|
a[46] = xr;
|
|
a[47] = xi;
|
|
|
|
xr = a[124];
|
|
xi = a[125];
|
|
yr = a[62];
|
|
yi = a[63];
|
|
a[124] = yr;
|
|
a[125] = yi;
|
|
a[62] = xr;
|
|
a[63] = xi;
|
|
|
|
xr = a[110];
|
|
xi = a[111];
|
|
yr = a[118];
|
|
yi = a[119];
|
|
a[110] = yr;
|
|
a[111] = yi;
|
|
a[118] = xr;
|
|
a[119] = xi;
|
|
}
|
|
|
|
static void cftfsub_128_mips(float *a) {
|
|
float x0r, x0i, x1r, x1i, x2r, x2i, x3r, x3i;
|
|
float f0, f1, f2, f3, f4, f5, f6, f7;
|
|
int tmp_a, count;
|
|
|
|
cft1st_128(a);
|
|
cftmdl_128(a);
|
|
|
|
__asm __volatile (
|
|
".set push \n\t"
|
|
".set noreorder \n\t"
|
|
"addiu %[tmp_a], %[a], 0 \n\t"
|
|
"addiu %[count], $zero, 16 \n\t"
|
|
"1: \n\t"
|
|
"addiu %[count], %[count], -1 \n\t"
|
|
"lwc1 %[f0], 0(%[tmp_a]) \n\t"
|
|
"lwc1 %[f1], 4(%[tmp_a]) \n\t"
|
|
"lwc1 %[f2], 128(%[tmp_a]) \n\t"
|
|
"lwc1 %[f3], 132(%[tmp_a]) \n\t"
|
|
"lwc1 %[f4], 256(%[tmp_a]) \n\t"
|
|
"lwc1 %[f5], 260(%[tmp_a]) \n\t"
|
|
"lwc1 %[f6], 384(%[tmp_a]) \n\t"
|
|
"lwc1 %[f7], 388(%[tmp_a]) \n\t"
|
|
"add.s %[x0r], %[f0], %[f2] \n\t"
|
|
"add.s %[x0i], %[f1], %[f3] \n\t"
|
|
"add.s %[x2r], %[f4], %[f6] \n\t"
|
|
"add.s %[x2i], %[f5], %[f7] \n\t"
|
|
"sub.s %[x1r], %[f0], %[f2] \n\t"
|
|
"sub.s %[x1i], %[f1], %[f3] \n\t"
|
|
"sub.s %[x3r], %[f4], %[f6] \n\t"
|
|
"sub.s %[x3i], %[f5], %[f7] \n\t"
|
|
"add.s %[f0], %[x0r], %[x2r] \n\t"
|
|
"add.s %[f1], %[x0i], %[x2i] \n\t"
|
|
"sub.s %[f4], %[x0r], %[x2r] \n\t"
|
|
"sub.s %[f5], %[x0i], %[x2i] \n\t"
|
|
"sub.s %[f2], %[x1r], %[x3i] \n\t"
|
|
"add.s %[f3], %[x1i], %[x3r] \n\t"
|
|
"add.s %[f6], %[x1r], %[x3i] \n\t"
|
|
"sub.s %[f7], %[x1i], %[x3r] \n\t"
|
|
"swc1 %[f0], 0(%[tmp_a]) \n\t"
|
|
"swc1 %[f1], 4(%[tmp_a]) \n\t"
|
|
"swc1 %[f2], 128(%[tmp_a]) \n\t"
|
|
"swc1 %[f3], 132(%[tmp_a]) \n\t"
|
|
"swc1 %[f4], 256(%[tmp_a]) \n\t"
|
|
"swc1 %[f5], 260(%[tmp_a]) \n\t"
|
|
"swc1 %[f6], 384(%[tmp_a]) \n\t"
|
|
"swc1 %[f7], 388(%[tmp_a]) \n\t"
|
|
"bgtz %[count], 1b \n\t"
|
|
" addiu %[tmp_a], %[tmp_a], 8 \n\t"
|
|
".set pop \n\t"
|
|
: [f0] "=&f" (f0), [f1] "=&f" (f1), [f2] "=&f" (f2), [f3] "=&f" (f3),
|
|
[f4] "=&f" (f4), [f5] "=&f" (f5), [f6] "=&f" (f6), [f7] "=&f" (f7),
|
|
[x0r] "=&f" (x0r), [x0i] "=&f" (x0i), [x1r] "=&f" (x1r),
|
|
[x1i] "=&f" (x1i), [x2r] "=&f" (x2r), [x2i] "=&f" (x2i),
|
|
[x3r] "=&f" (x3r), [x3i] "=&f" (x3i), [tmp_a] "=&r" (tmp_a),
|
|
[count] "=&r" (count)
|
|
: [a] "r" (a)
|
|
: "memory"
|
|
);
|
|
}
|
|
|
|
void aec_rdft_init_mips(void) {
|
|
cftfsub_128 = cftfsub_128_mips;
|
|
bitrv2_128 = bitrv2_128_mips;
|
|
}
|