Remove unnecessary Src/ folders

Source/Core/Core/HW/StreamADPCM.cpp

@@ -0,0 +1,65 @@
+// Copyright 2013 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+// Adapted from in_cube by hcs & destop
+
+#include "StreamADPCM.h"
+
+// STATE_TO_SAVE (not saved yet!)
+static s32 histl1;
+static s32 histl2;
+static s32 histr1;
+static s32 histr2;
+
+s16 ADPDecodeSample(s32 bits, s32 q, s32& hist1, s32& hist2)
+{
+	s32 hist = 0;
+	switch (q >> 4)
+	{
+	case 0:
+		hist = 0;
+		break;
+	case 1:
+		hist = (hist1 * 0x3c);
+		break;
+	case 2:
+		hist = (hist1 * 0x73) - (hist2 * 0x34);
+		break;
+	case 3:
+		hist = (hist1 * 0x62) - (hist2 * 0x37);
+		break;
+	}
+	hist = (hist + 0x20) >> 6;
+	if (hist >  0x1fffff) hist =  0x1fffff;
+	if (hist < -0x200000) hist = -0x200000;
+
+	s32 cur = (((s16)(bits << 12) >> (q & 0xf)) << 6) + hist;
+
+	hist2 = hist1;
+	hist1 = cur;
+
+	cur >>= 6;
+
+	if (cur < -0x8000) return -0x8000;
+	if (cur >  0x7fff) return  0x7fff;
+
+	return (s16)cur;
+}
+
+void NGCADPCM::InitFilter()
+{
+	histl1 = 0;
+	histl2 = 0;
+	histr1 = 0;
+	histr2 = 0;
+}
+
+void NGCADPCM::DecodeBlock(s16 *pcm, const u8 *adpcm)
+{
+	for (int i = 0; i < SAMPLES_PER_BLOCK; i++)
+	{
+		pcm[i * 2]     = ADPDecodeSample(adpcm[i + (ONE_BLOCK_SIZE - SAMPLES_PER_BLOCK)] & 0xf, adpcm[0], histl1, histl2);
+		pcm[i * 2 + 1] = ADPDecodeSample(adpcm[i + (ONE_BLOCK_SIZE - SAMPLES_PER_BLOCK)] >> 4,  adpcm[1], histr1, histr2);
+	}
+}