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source/decompiled/de/maxhenkel/voicechat/concentus/BWExpander.java

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+/*
+ * Decompiled with CFR 0.152.
+ */
+package de.maxhenkel.voicechat.concentus;
+
+import de.maxhenkel.voicechat.concentus.Inlines;
+
+class BWExpander {
+    BWExpander() {
+    }
+
+    static void silk_bwexpander_32(int[] ar, int d, int chirp_Q16) {
+        int chirp_minus_one_Q16 = chirp_Q16 - 65536;
+        for (int i = 0; i < d - 1; ++i) {
+            ar[i] = Inlines.silk_SMULWW(chirp_Q16, ar[i]);
+            chirp_Q16 += Inlines.silk_RSHIFT_ROUND(Inlines.silk_MUL(chirp_Q16, chirp_minus_one_Q16), 16);
+        }
+        ar[d - 1] = Inlines.silk_SMULWW(chirp_Q16, ar[d - 1]);
+    }
+
+    static void silk_bwexpander(short[] ar, int d, int chirp_Q16) {
+        int chirp_minus_one_Q16 = chirp_Q16 - 65536;
+        for (int i = 0; i < d - 1; ++i) {
+            ar[i] = (short)Inlines.silk_RSHIFT_ROUND(Inlines.silk_MUL(chirp_Q16, ar[i]), 16);
+            chirp_Q16 += Inlines.silk_RSHIFT_ROUND(Inlines.silk_MUL(chirp_Q16, chirp_minus_one_Q16), 16);
+        }
+        ar[d - 1] = (short)Inlines.silk_RSHIFT_ROUND(Inlines.silk_MUL(chirp_Q16, ar[d - 1]), 16);
+    }
+}
+