Initial community commit

7 files changed, 899 insertions, 0 deletions

diff --git a/Src/Plugins/SDK/dsp_test/RESOURCE.H b/Src/Plugins/SDK/dsp_test/RESOURCE.H
new file mode 100644
index 00000000..a9f020ac
--- /dev/null
+++ b/Src/Plugins/SDK/dsp_test/RESOURCE.H
@@ -0,0 +1,18 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Developer Studio generated include file.
+// Used by Script1.rc
+//
+#define IDD_DIALOG1                     101
+#define IDC_BOOGA                       102
+#define IDC_SLIDER1                     1000
+
+// Next default values for new objects
+// 
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        104
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif
diff --git a/Src/Plugins/SDK/dsp_test/SCRIPT1.RC b/Src/Plugins/SDK/dsp_test/SCRIPT1.RC
new file mode 100644
index 00000000..159d286a
--- /dev/null
+++ b/Src/Plugins/SDK/dsp_test/SCRIPT1.RC
@@ -0,0 +1,97 @@
+//Microsoft Developer Studio generated resource script.
+//
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "afxres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (U.S.) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+#ifdef _WIN32
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+#pragma code_page(1252)
+#endif //_WIN32
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Dialog
+//
+
+IDD_DIALOG1 DIALOGEX 0, 0, 28, 138
+STYLE DS_MODALFRAME | WS_POPUP | WS_CAPTION
+EXSTYLE WS_EX_TOOLWINDOW
+CAPTION "Tempo"
+FONT 8, "MS Sans Serif"
+BEGIN
+    CONTROL         "Slider1",IDC_SLIDER1,"msctls_trackbar32",TBS_AUTOTICKS | 
+                    TBS_VERT | WS_TABSTOP,3,0,20,128
+    LTEXT           "100%",IDC_BOOGA,3,127,21,8
+END
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// DESIGNINFO
+//
+
+#ifdef APSTUDIO_INVOKED
+GUIDELINES DESIGNINFO DISCARDABLE 
+BEGIN
+    IDD_DIALOG1, DIALOG
+    BEGIN
+        RIGHTMARGIN, 21
+        BOTTOMMARGIN, 12
+    END
+END
+#endif    // APSTUDIO_INVOKED
+
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE DISCARDABLE 
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE DISCARDABLE 
+BEGIN
+    "#include ""afxres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE DISCARDABLE 
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+#endif    // English (U.S.) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED
+
diff --git a/Src/Plugins/SDK/dsp_test/dsp_ns.txt b/Src/Plugins/SDK/dsp_test/dsp_ns.txt
new file mode 100644
index 00000000..b9a7332d
--- /dev/null
+++ b/Src/Plugins/SDK/dsp_test/dsp_ns.txt
@@ -0,0 +1,23 @@
+Nullsoft DSP Effects Plug-in 0.35 for Winamp

+-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

+

+This plug-in lets you use the following effects on

+your sound in Winamp:

+

+Echo: adds a simple echo effect to the music

+Voice Removal: only for Stereo sounds, this attempts

+  to remove the center channel. Sounds pretty good on

+  about 1% of music out there, the other 99% sounds

+  like crap :)

+Pitch/Tempo control: ownage :)

+

+Once you install this nugget, fire up Winamp, open 

+up the preferences (CTRL+P), go to the Plugins/DSP&Effect

+section, and select 'Nullsoft DSP Effects' as 

+the new DPS Plug-in. You can then select from the three

+above effects.

+

+Limitations:

+  This plug-in only effects audio that is 16 bit.

+  Note that this plug-in won't work with passive plug-ins

+  such as CD audio.

diff --git a/Src/Plugins/SDK/dsp_test/dsp_test.c b/Src/Plugins/SDK/dsp_test/dsp_test.c
new file mode 100644
index 00000000..1c9fa37f
--- /dev/null
+++ b/Src/Plugins/SDK/dsp_test/dsp_test.c
@@ -0,0 +1,478 @@
+// Winamp test dsp library 0.9 for Winamp 2
+// Copyright (C) 1997, Justin Frankel/Nullsoft
+// Feel free to base any plugins on this "framework"...
+
+#include <windows.h>
+#include <commctrl.h>
+#include <math.h>
+#include "../Winamp/dsp.h"
+#include "resource.h"
+
+// avoid stupid CRT silliness
+//BOOL WINAPI _DllMainCRTStartup(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
+//{
+//	return TRUE;
+//}
+
+
+// pitch value
+int g_pitch=100;
+
+// pitch control window
+HWND pitch_control_hwnd;
+
+// auxilary pitch buffer (for resampling from)
+short *pitch_buffer=NULL;
+int pitch_buffer_len=0;
+int quit_pitch=0;
+
+// module getter.
+winampDSPModule *getModule(int which);
+
+void config(struct winampDSPModule *this_mod);
+int init(struct winampDSPModule *this_mod);
+int initpitch(struct winampDSPModule *this_mod);
+void quit(struct winampDSPModule *this_mod);
+void quitpitch(struct winampDSPModule *this_mod);
+int modify_samples1(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate);
+int modify_samples2(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate);
+int modify_samples3(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate);
+int modify_samples_lopass(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate);
+int modify_samples_hipass(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate);
+
+static INT_PTR CALLBACK pitchProc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam);
+
+// Module header, includes version, description, and address of the module retriever function
+typedef struct {
+  int version;       // DSP_HDRVER
+  char *description; // description of library
+  winampDSPModule* (*getModule)(int);	// module retrieval function
+  int (*sf)(int);
+} winampDSPHeaderEx;
+
+int sf(int v)
+{
+    int res;
+    res = v * (unsigned long)1103515245;
+    res += (unsigned long)13293;
+    res &= (unsigned long)0x7FFFFFFF;
+    res ^= v;
+	return res;
+}
+
+winampDSPHeaderEx hdr = { DSP_HDRVER+1, "Nullsoft DSP v0.35 for Winamp 2ARG", getModule, sf };
+
+
+// first module
+winampDSPModule mod =
+{
+	"Nullsoft Echo v0.2",
+	NULL,	// hwndParent
+	NULL,	// hDllInstance
+	config,
+	init,
+	modify_samples1,
+	quit
+};
+
+
+// second module
+winampDSPModule mod2 =
+{
+	"Nullsoft Stereo Voice Removal v0.2",
+	NULL,	// hwndParent
+	NULL,	// hDllInstance
+	config,
+	init,
+	modify_samples2,
+	quit
+};
+
+winampDSPModule mod3 =
+{
+	"Nullsoft Pitch/Tempo Control v0.2",
+	NULL,	// hwndParent
+	NULL,	// hDllInstance
+	config,
+	initpitch,
+	modify_samples3,
+	quitpitch
+};
+
+winampDSPModule mod4 =
+{
+	"Nullsoft Lowpass Filter v1.0",
+	NULL,	// hwndParent
+	NULL,	// hDllInstance
+	config,
+	init,
+	modify_samples_lopass,
+	quit
+};
+winampDSPModule mod5 =
+{
+	"Nullsoft Highpass Filter v1.0",
+	NULL,	// hwndParent
+	NULL,	// hDllInstance
+	config,
+	init,
+	modify_samples_hipass,
+	quit
+};
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+// this is the only exported symbol. returns our main header.
+__declspec( dllexport ) winampDSPHeaderEx *winampDSPGetHeader2()
+{
+	return &hdr;
+}
+#ifdef __cplusplus
+}
+#endif
+
+// getmodule routine from the main header. Returns NULL if an invalid module was requested,
+// otherwise returns either mod1 or mod2 depending on 'which'.
+winampDSPModule *getModule(int which)
+{
+	switch (which)
+	{
+		case 0: return &mod;
+		case 1: return &mod2;
+		case 2: return &mod3;
+//		case 3: return &mod4;
+//		case 4: return &mod5;
+		default:return NULL;
+	}
+}
+
+// configuration. Passed this_mod, as a "this" parameter. Allows you to make one configuration
+// function that shares code for all your modules (you don't HAVE to use it though, you can make
+// config1(), config2(), etc...)
+void config(struct winampDSPModule *this_mod)
+{
+	MessageBox(this_mod->hwndParent,"This module is Copyright(C) 1997-1999, Nullsoft\n"
+									"Notes:\n"
+									" * 8 bit samples aren't supported.\n"
+									" * Pitch control rules!\n"
+									" * Voice removal sucks (works about 10% of the time)!\n"
+									" * Echo isn't very good!\n"
+									"etc... this is really just a test of the new\n"
+									"DSP plug-in system. Nothing more.",
+									"Configuration",MB_OK);
+}
+
+int init(struct winampDSPModule *this_mod)
+{
+	return 0;
+}
+int initpitch(struct winampDSPModule *this_mod)
+{
+	pitch_buffer_len=0;
+	pitch_buffer=NULL;
+	quit_pitch=0;		
+	ShowWindow((pitch_control_hwnd=CreateDialog(this_mod->hDllInstance,MAKEINTRESOURCE(IDD_DIALOG1),this_mod->hwndParent,pitchProc)),SW_SHOW);
+	return 0;
+}
+
+// cleanup (opposite of init()). Destroys the window, unregisters the window class
+void quit(struct winampDSPModule *this_mod)
+{
+}
+
+void quitpitch(struct winampDSPModule *this_mod)
+{
+	if (this_mod == &mod3)
+	{
+		if (pitch_buffer) GlobalFree(pitch_buffer);
+		pitch_buffer_len=0;
+		pitch_buffer=NULL;
+		quit_pitch=1;
+		if (pitch_control_hwnd)
+		{
+			DestroyWindow(pitch_control_hwnd);
+			pitch_control_hwnd=0;
+		}
+
+	}
+}
+
+short echo_buf[65536], echo_buf2[65536];
+
+int modify_samples1(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate)
+{
+	// echo doesn't support 8 bit right now cause I'm lazy.
+	if (bps==16)
+	{
+        int x,s;
+        s = numsamples*nch;
+
+        memcpy(echo_buf2,       echo_buf,       s*2);
+        memcpy(echo_buf,        echo_buf+s,     s*2);
+        memcpy(echo_buf+s,      echo_buf+s*2, s*2);
+        memcpy(echo_buf+s*2,echo_buf+s*3, s*2);
+        memcpy(echo_buf+s*3,samples, s*2);
+
+        for (x = 0; x < s; x ++)
+        {
+                int s = samples[x]/2+echo_buf2[x]/2;
+                samples[x] = (s>32767?32767:s<-32768?-32768:s);
+        }
+	}
+	return numsamples;
+}
+
+int modify_samples3(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate)
+{
+	int pitch=g_pitch;
+	int rlen =numsamples*bps/8*nch;
+	int index=0, x;
+	int n; 
+	int dindex; 
+	if (quit_pitch || g_pitch==100) return numsamples;
+	if (g_pitch > 200) g_pitch=200;
+	if (g_pitch < 50) g_pitch=50;
+	pitch = 100000/pitch;
+	n=(numsamples*pitch)/1000;
+	dindex=(numsamples<<11)/n;
+	if (pitch_buffer_len < rlen) 
+	{
+		pitch_buffer_len = rlen;
+		GlobalFree(pitch_buffer);
+		pitch_buffer=GlobalAlloc(GMEM_FIXED,rlen);
+	}
+	if (bps == 16 && nch == 2)
+	{
+		short *buf=pitch_buffer;
+		memcpy(buf,samples,rlen);
+		for (x = 0; x < n; x ++)
+		{
+			int p=(index>>11)<<1;
+			index+=dindex;
+			samples[0] = buf[p];
+			samples[1] = buf[p+1];
+			samples+=2;
+		}
+		return n;
+	}
+	else if (bps == 16 && nch == 1)
+	{
+		short *buf=pitch_buffer;
+		memcpy(buf,samples,rlen);
+		for (x = 0; x < n; x ++)
+		{
+			int p=(index>>11);
+			index+=dindex;
+			*samples++ = buf[p];
+		}
+		return n;
+	}
+	return numsamples;
+}
+
+
+int modify_samples2(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate)
+{
+	int x = numsamples;
+	if (bps == 16)
+	{
+		short *a = samples;
+		if (nch == 2) while (x--)
+		{
+			int l, r;
+			l = a[1]-a[0];
+			r = a[0]-a[1];		
+			if (l < -32768) l = -32768;
+			if (l > 32767) l = 32767;
+			if (r < -32768) r = -32768;
+			if (r > 32767) r = 32767;
+			a[0] = l;
+			a[1] = r;
+			a+=2;
+		}
+	}
+	return numsamples;
+}
+
+/*
+int modify_samples_lopass(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate)
+{
+	if (bps==16)
+	{
+		static int lastspl=0,lastspl2=0;
+		int x;
+		x=numsamples;
+		if (nch==1) while (x--)
+		{
+			int thisspl=*samples;
+			*samples++=(lastspl+thisspl)/2;
+			lastspl=thisspl;
+		}
+		else if (nch == 2) while (x--)
+		{
+			int thisspl=*samples;
+			*samples++=(lastspl+thisspl)/2;
+			lastspl=thisspl;
+			thisspl=*samples;
+			*samples++=(lastspl2+thisspl)/2;
+			lastspl2=thisspl;
+		}
+	}
+	return numsamples;
+}
+*/
+
+
+enum FILTER_TYPE {
+	lowpass,highpass,bandpass
+};
+
+typedef struct 
+{
+	float		m_a0,m_a1;
+	float		m_b0,m_b1,m_b2;
+	float		m_d1,m_d2;
+	float		m_k;
+} filter;
+
+float Filter(filter *f, const float x )
+{
+	float	d0,y;
+
+	d0 = f->m_k*x - f->m_a1*f->m_d1 - f->m_a0*f->m_d2;
+	y = d0*f->m_b2 + f->m_d1*f->m_b1 + f->m_d2*f->m_b0;
+	f->m_d2 = f->m_d1;
+	f->m_d1 = d0;
+
+	return y;
+}
+
+
+void makefilter( filter *f, int t , float sample_rate , float cutoff , float dampening )
+{
+	float	a2,c;
+
+	c = (float)( 1.f / tan( 3.14159265359*cutoff / sample_rate ) );
+	a2 = 1.f + c*(c+dampening);
+
+	f->m_a1 = 2.f * (1.f - c*c) / a2;
+	f->m_a0 = (1.f + c*(c-dampening)) / a2;
+	f->m_d1 = f->m_d2 = 0.f;
+
+	switch( t )
+	{
+		case lowpass:
+			f->m_k = 1.f / a2;
+			f->m_b1 = 2.f;
+			f->m_b0 = 1.f;
+			break;
+
+		case highpass:
+			f->m_k = c*c / a2;
+			f->m_b1 = -2.f;
+			f->m_b0 = 1.f;
+			break;
+
+		case bandpass:
+			f->m_k = c*dampening / a2;
+			f->m_b1 = 0.f;
+			f->m_b0 = -1.f;
+			break;
+	}
+	f->m_b2 = 1.f;
+}
+
+int modify_samples_lopass(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate)
+{
+	static int i;
+	static filter f1,f2;
+	if (!i)
+	{
+		i=1;
+		makefilter(&f1,bandpass,44100,1000.0,0.5);
+		makefilter(&f2,lowpass,44100,1.0,1.0);
+	}
+	if (bps==16)
+	{
+		int x;
+		x=numsamples;
+		if (nch == 2) while (x--)
+		{
+			int t=(int)Filter(&f1,*samples);
+			*samples++=min(max(t,-32768),32767);
+			t=(int)Filter(&f2,*samples);
+			*samples++=min(max(t,-32768),32767);
+		}
+	}
+	return numsamples;
+}
+
+#define mulspl(a,b) _mulspl((int)(a),(int)((b)*65536.0))
+
+int _mulspl(int a, int b)
+{
+	a *= b;
+	a >>= 16;
+	return a;
+}
+
+
+int modify_samples_hipass(struct winampDSPModule *this_mod, short int *samples, int numsamples, int bps, int nch, int srate)
+{
+	if (bps==16 && nch==2)
+	{
+		static short splbuf[32768+2];
+		short int *spls=splbuf+nch;
+		int x;
+		memcpy(spls,samples,numsamples*sizeof(short)*nch);
+		x=numsamples;
+		while (x--)
+		{
+			int ch;
+			for (ch = 0; ch < nch; ch ++)
+			{
+				int r=mulspl(spls[0],0.93) + mulspl(spls[-nch],-0.93) + mulspl(samples[-nch],0.86);
+				samples[0] = max(min(r,32767),-32768);
+				spls++;
+				samples++;
+			}
+		}
+		memcpy(splbuf,&splbuf[numsamples*nch],nch*sizeof(short));
+	}
+	return numsamples;
+}
+
+
+static BOOL CALLBACK pitchProc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam)
+{
+	if (uMsg == WM_INITDIALOG)
+	{
+		SendDlgItemMessage(hwndDlg,IDC_SLIDER1,TBM_SETRANGEMAX,0,50);
+		SendDlgItemMessage(hwndDlg,IDC_SLIDER1,TBM_SETRANGEMIN,0,-50);
+	    SendDlgItemMessage(hwndDlg,IDC_SLIDER1,TBM_SETPOS,1,1);
+	    SendDlgItemMessage(hwndDlg,IDC_SLIDER1,TBM_SETPOS,1,0);
+		{
+			char str[123];
+			wsprintf(str,"%s%d%%",g_pitch>=100?"+":"",g_pitch-100);
+			SetDlgItemText(hwndDlg,IDC_BOOGA,str);
+		}
+	}
+	if (uMsg == WM_VSCROLL)
+	{
+		HWND swnd = (HWND) lParam;
+		if (swnd == GetDlgItem(hwndDlg,IDC_SLIDER1))
+		{
+			g_pitch = -SendDlgItemMessage(hwndDlg,IDC_SLIDER1,TBM_GETPOS,0,0)+100;
+			{
+				char str[123];
+				wsprintf(str,"%s%d%%",g_pitch>=100?"+":"",g_pitch-100);
+				SetDlgItemText(hwndDlg,IDC_BOOGA,str);
+			}
+		}
+	}
+	return 0;
+}
+
+
diff --git a/Src/Plugins/SDK/dsp_test/dsp_test.sln b/Src/Plugins/SDK/dsp_test/dsp_test.sln
new file mode 100644
index 00000000..d502d889
--- /dev/null
+++ b/Src/Plugins/SDK/dsp_test/dsp_test.sln
@@ -0,0 +1,24 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.32802.440
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "dsp_test", "dsp_test.vcxproj", "{91476D06-BDDF-4BD1-B855-AB2DC03A41C3}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x86 = Debug|x86
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{91476D06-BDDF-4BD1-B855-AB2DC03A41C3}.Debug|x86.ActiveCfg = Debug|Win32
+		{91476D06-BDDF-4BD1-B855-AB2DC03A41C3}.Debug|x86.Build.0 = Debug|Win32
+		{91476D06-BDDF-4BD1-B855-AB2DC03A41C3}.Release|x86.ActiveCfg = Release|Win32
+		{91476D06-BDDF-4BD1-B855-AB2DC03A41C3}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {8AA64C58-B209-477B-8EDE-709FDFD0E5C5}
+	EndGlobalSection
+EndGlobal
diff --git a/Src/Plugins/SDK/dsp_test/dsp_test.vcxproj b/Src/Plugins/SDK/dsp_test/dsp_test.vcxproj
new file mode 100644
index 00000000..a3ecc7f1
--- /dev/null
+++ b/Src/Plugins/SDK/dsp_test/dsp_test.vcxproj
@@ -0,0 +1,227 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
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new file mode 100644
index 00000000..f1efa308
--- /dev/null
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@@ -0,0 +1,32 @@
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\ No newline at end of file