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117 lines
3.9 KiB
Java
117 lines
3.9 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.CeltTables;
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import de.maxhenkel.voicechat.concentus.EntropyCoder;
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import de.maxhenkel.voicechat.concentus.Inlines;
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class CWRS {
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static final int[] CELT_PVQ_U_ROW = new int[]{0, 176, 351, 525, 698, 870, 1041, 1131, 1178, 1207, 1226, 1240, 1248, 1254, 1257};
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CWRS() {
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}
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private static long CELT_PVQ_U(int _n, int _k) {
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return CeltTables.CELT_PVQ_U_DATA[CELT_PVQ_U_ROW[Inlines.IMIN(_n, _k)] + Inlines.IMAX(_n, _k)];
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}
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private static long CELT_PVQ_V(int _n, int _k) {
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return CWRS.CELT_PVQ_U(_n, _k) + CWRS.CELT_PVQ_U(_n, _k + 1);
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}
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static long icwrs(int _n, int[] _y) {
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Inlines.OpusAssert(_n >= 2);
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int j = _n - 1;
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long i = _y[j] < 0 ? 1L : 0L;
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int k = Inlines.abs(_y[j]);
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do {
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i += CWRS.CELT_PVQ_U(_n - --j, k);
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k += Inlines.abs(_y[j]);
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if (_y[j] >= 0) continue;
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i += CWRS.CELT_PVQ_U(_n - j, k + 1);
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} while (j > 0);
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return i;
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}
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static void encode_pulses(int[] _y, int _n, int _k, EntropyCoder _enc) {
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Inlines.OpusAssert(_k > 0);
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_enc.enc_uint(CWRS.icwrs(_n, _y), CWRS.CELT_PVQ_V(_n, _k));
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}
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static int cwrsi(int _n, int _k, long _i, int[] _y) {
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short val;
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int k0;
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int s;
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long p;
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int yy = 0;
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int y_ptr = 0;
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Inlines.OpusAssert(_k > 0);
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Inlines.OpusAssert(_n > 1);
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while (_n > 2) {
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long q;
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if (_k >= _n) {
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int row = CELT_PVQ_U_ROW[_n];
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p = CeltTables.CELT_PVQ_U_DATA[row + _k + 1];
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s = 0 - (_i >= p ? 1 : 0);
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k0 = _k;
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q = CeltTables.CELT_PVQ_U_DATA[row + _n];
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if (q > (_i -= Inlines.CapToUInt32(p & (long)s))) {
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Inlines.OpusAssert(p > q);
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_k = _n;
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while ((p = CeltTables.CELT_PVQ_U_DATA[CELT_PVQ_U_ROW[--_k] + _n]) > _i) {
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}
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} else {
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p = CeltTables.CELT_PVQ_U_DATA[row + _k];
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while (p > _i) {
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p = CeltTables.CELT_PVQ_U_DATA[row + --_k];
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}
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}
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_i -= p;
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val = (short)(k0 - _k + s ^ s);
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_y[y_ptr++] = val;
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yy = Inlines.MAC16_16(yy, val, val);
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} else {
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p = CeltTables.CELT_PVQ_U_DATA[CELT_PVQ_U_ROW[_k] + _n];
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q = CeltTables.CELT_PVQ_U_DATA[CELT_PVQ_U_ROW[_k + 1] + _n];
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if (p <= _i && _i < q) {
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_i -= p;
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_y[y_ptr++] = 0;
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} else {
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s = 0 - (_i >= q ? 1 : 0);
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_i -= Inlines.CapToUInt32(q & (long)s);
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k0 = _k;
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while ((p = CeltTables.CELT_PVQ_U_DATA[CELT_PVQ_U_ROW[--_k] + _n]) > _i) {
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}
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_i -= p;
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val = (short)(k0 - _k + s ^ s);
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_y[y_ptr++] = val;
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yy = Inlines.MAC16_16(yy, val, val);
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}
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}
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--_n;
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}
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p = 2L * (long)_k + 1L;
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s = 0 - (_i >= p ? 1 : 0);
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k0 = _k;
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_k = (int)((_i -= Inlines.CapToUInt32(p & (long)s)) + 1L >> 1);
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if (_k != 0) {
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_i -= 2L * (long)_k - 1L;
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}
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val = (short)(k0 - _k + s ^ s);
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_y[y_ptr++] = val;
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yy = Inlines.MAC16_16(yy, val, val);
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s = -((int)_i);
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val = (short)(_k + s ^ s);
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_y[y_ptr] = val;
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yy = Inlines.MAC16_16(yy, val, val);
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return yy;
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}
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static int decode_pulses(int[] _y, int _n, int _k, EntropyCoder _dec) {
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return CWRS.cwrsi(_n, _k, _dec.dec_uint(CWRS.CELT_PVQ_V(_n, _k)), _y);
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}
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}
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