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82 lines
2.7 KiB
Java
82 lines
2.7 KiB
Java
/*
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* Decompiled with CFR 0.152.
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*/
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package de.maxhenkel.voicechat.concentus;
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import de.maxhenkel.voicechat.concentus.BoxedValueInt;
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import de.maxhenkel.voicechat.concentus.Inlines;
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class SumSqrShift {
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SumSqrShift() {
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}
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static void silk_sum_sqr_shift(BoxedValueInt energy, BoxedValueInt shift, short[] x, int x_ptr, int len) {
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int nrg_tmp;
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int i;
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int nrg = 0;
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int shft = 0;
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--len;
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for (i = 0; i < len; i += 2) {
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nrg = Inlines.silk_SMLABB_ovflw(nrg, x[x_ptr + i], x[x_ptr + i]);
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if ((nrg = Inlines.silk_SMLABB_ovflw(nrg, x[x_ptr + i + 1], x[x_ptr + i + 1])) >= 0) continue;
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nrg = (int)Inlines.silk_RSHIFT_uint(nrg, 2);
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shft = 2;
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i += 2;
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break;
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}
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while (i < len) {
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nrg_tmp = Inlines.silk_SMULBB(x[x_ptr + i], x[x_ptr + i]);
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if ((nrg = (int)Inlines.silk_ADD_RSHIFT_uint(nrg, nrg_tmp = Inlines.silk_SMLABB_ovflw(nrg_tmp, x[x_ptr + i + 1], x[x_ptr + i + 1]), shft)) < 0) {
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nrg = (int)Inlines.silk_RSHIFT_uint(nrg, 2);
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shft += 2;
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}
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i += 2;
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}
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if (i == len) {
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nrg_tmp = Inlines.silk_SMULBB(x[x_ptr + i], x[x_ptr + i]);
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nrg = (int)Inlines.silk_ADD_RSHIFT_uint(nrg, nrg_tmp, shft);
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}
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if ((nrg & 0xC0000000) != 0) {
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nrg = (int)Inlines.silk_RSHIFT_uint(nrg, 2);
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shft += 2;
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}
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shift.Val = shft;
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energy.Val = nrg;
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}
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static void silk_sum_sqr_shift(BoxedValueInt energy, BoxedValueInt shift, short[] x, int len) {
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int nrg_tmp;
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int i;
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int nrg = 0;
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int shft = 0;
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--len;
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for (i = 0; i < len; i += 2) {
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nrg = Inlines.silk_SMLABB_ovflw(nrg, x[i], x[i]);
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if ((nrg = Inlines.silk_SMLABB_ovflw(nrg, x[i + 1], x[i + 1])) >= 0) continue;
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nrg = (int)Inlines.silk_RSHIFT_uint(nrg, 2);
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shft = 2;
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i += 2;
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break;
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}
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while (i < len) {
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nrg_tmp = Inlines.silk_SMULBB(x[i], x[i]);
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if ((nrg = (int)Inlines.silk_ADD_RSHIFT_uint(nrg, nrg_tmp = Inlines.silk_SMLABB_ovflw(nrg_tmp, x[i + 1], x[i + 1]), shft)) < 0) {
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nrg = (int)Inlines.silk_RSHIFT_uint(nrg, 2);
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shft += 2;
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}
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i += 2;
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}
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if (i == len) {
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nrg_tmp = Inlines.silk_SMULBB(x[i], x[i]);
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nrg = (int)Inlines.silk_ADD_RSHIFT_uint(nrg, nrg_tmp, shft);
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}
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if ((nrg & 0xC0000000) != 0) {
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nrg = (int)Inlines.silk_RSHIFT_uint(nrg, 2);
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shft += 2;
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}
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shift.Val = shft;
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energy.Val = nrg;
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}
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}
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