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65 lines
3.0 KiB
Java
65 lines
3.0 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.BoxedValueByte;
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import de.maxhenkel.voicechat.concentus.BoxedValueInt;
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import de.maxhenkel.voicechat.concentus.Inlines;
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import de.maxhenkel.voicechat.concentus.SilkTables;
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import de.maxhenkel.voicechat.concentus.VQ_WMat_EC;
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class QuantizeLTPGains {
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QuantizeLTPGains() {
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}
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static void silk_quant_LTP_gains(short[] B_Q14, byte[] cbk_index, BoxedValueByte periodicity_index, BoxedValueInt sum_log_gain_Q7, int[] W_Q18, int mu_Q9, int lowComplexity, int nb_subfr) {
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int j;
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byte[][] cbk_ptr_Q7;
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int k;
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byte[] temp_idx = new byte[4];
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int min_rate_dist_Q14 = Integer.MAX_VALUE;
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int best_sum_log_gain_Q7 = 0;
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for (k = 0; k < 3; ++k) {
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int gain_safety = 51;
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short[] cl_ptr_Q5 = SilkTables.silk_LTP_gain_BITS_Q5_ptrs[k];
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cbk_ptr_Q7 = SilkTables.silk_LTP_vq_ptrs_Q7[k];
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short[] cbk_gain_ptr_Q7 = SilkTables.silk_LTP_vq_gain_ptrs_Q7[k];
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byte cbk_size = SilkTables.silk_LTP_vq_sizes[k];
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int W_Q18_ptr = 0;
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int b_Q14_ptr = 0;
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int rate_dist_Q14 = 0;
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int sum_log_gain_tmp_Q7 = sum_log_gain_Q7.Val;
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for (j = 0; j < nb_subfr; ++j) {
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int max_gain_Q7 = Inlines.silk_log2lin(5333 - sum_log_gain_tmp_Q7 + 896) - gain_safety;
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BoxedValueByte temp_idx_box = new BoxedValueByte(temp_idx[j]);
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BoxedValueInt rate_dist_Q14_subfr_box = new BoxedValueInt(0);
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BoxedValueInt gain_Q7_box = new BoxedValueInt(0);
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VQ_WMat_EC.silk_VQ_WMat_EC(temp_idx_box, rate_dist_Q14_subfr_box, gain_Q7_box, B_Q14, b_Q14_ptr, W_Q18, W_Q18_ptr, cbk_ptr_Q7, cbk_gain_ptr_Q7, cl_ptr_Q5, mu_Q9, max_gain_Q7, cbk_size);
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int rate_dist_Q14_subfr = rate_dist_Q14_subfr_box.Val;
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int gain_Q7 = gain_Q7_box.Val;
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temp_idx[j] = temp_idx_box.Val;
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rate_dist_Q14 = Inlines.silk_ADD_POS_SAT32(rate_dist_Q14, rate_dist_Q14_subfr);
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sum_log_gain_tmp_Q7 = Inlines.silk_max(0, sum_log_gain_tmp_Q7 + Inlines.silk_lin2log(gain_safety + gain_Q7) - 896);
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b_Q14_ptr += 5;
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W_Q18_ptr += 25;
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}
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if ((rate_dist_Q14 = Inlines.silk_min(0x7FFFFFFE, rate_dist_Q14)) < min_rate_dist_Q14) {
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min_rate_dist_Q14 = rate_dist_Q14;
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periodicity_index.Val = (byte)k;
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System.arraycopy(temp_idx, 0, cbk_index, 0, nb_subfr);
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best_sum_log_gain_Q7 = sum_log_gain_tmp_Q7;
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}
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if (lowComplexity != 0 && rate_dist_Q14 < 12304) break;
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}
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cbk_ptr_Q7 = SilkTables.silk_LTP_vq_ptrs_Q7[periodicity_index.Val];
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for (j = 0; j < nb_subfr; ++j) {
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for (k = 0; k < 5; ++k) {
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B_Q14[j * 5 + k] = (short)Inlines.silk_LSHIFT(cbk_ptr_Q7[cbk_index[j]][k], 7);
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}
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}
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sum_log_gain_Q7.Val = best_sum_log_gain_Q7;
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}
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}
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