Initial community commit

Src/Plugins/SDK/in_tone/MAIN.C

@@ -0,0 +1,240 @@
+/*
+** Example Winamp input plug-in
+** Copyright (c) 1998, Justin Frankel/Nullsoft Inc.
+*/
+
+#include <windows.h>
+#include <mmreg.h>
+#include <msacm.h>
+#include <math.h>
+#include <stdio.h>
+
+#include "../Winamp/in2.h"
+
+#define WM_WA_MPEG_EOF WM_USER+2
+
+
+extern In_Module mod;
+char lastfn[MAX_PATH];
+short sample_buffer[576*2];
+
+/*
+// avoid CRT. Evil. Big. Bloated.
+BOOL WINAPI _DllMainCRTStartup(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
+{
+	return TRUE;
+}
+*/
+int paused;
+DWORD WINAPI __stdcall PlayThread(void *b);
+
+int gen_freq=2600;
+
+int killDecodeThread=0;
+HANDLE thread_handle=INVALID_HANDLE_VALUE;
+
+void config(HWND hwndParent)
+{
+	MessageBoxA(hwndParent,"To use, open 'tone://2600' (for 2600hz).","Configuration",MB_OK);   // Must stay in ANSI
+}
+void about(HWND hwndParent)
+{
+	MessageBoxA(hwndParent,"Nullsoft Tone Generator, by Justin Frankel","About Nullsoft Tone Generator",MB_OK);   // Must stay in ANSI
+}
+
+int init()
+{
+	return 0;
+}
+
+void quit() { }
+
+int isourfile(const char *fn) 
+{ 
+	char buf[8];
+	memcpy(buf,fn,7);
+	buf[7]=0;
+	return lstrcmpA(buf,"tone://")?0:1;    // Must stay in ANSI
+}
+
+int play(const char *fn) { 
+	int maxlatency;
+	int tmp;
+	strcpy(lastfn,fn);
+	// simple atoi() inline so that we don't have to use libc (for a nice 4k dll)
+	{
+		const char *s=fn+7;
+		int n=0;
+		while (*s >= '0' && *s <= '9')
+		{
+			n*=10;
+			n += *s++ -'0';
+		}
+		gen_freq=n;
+	}
+	paused=0;
+	memset(sample_buffer,0,sizeof(sample_buffer));
+
+	maxlatency = mod.outMod->Open(44100,1,16, -1,-1);
+	if (maxlatency < 0)
+	{
+		return 1;
+	}
+	mod.SetInfo(0,44,1,1);
+	mod.SAVSAInit(maxlatency,44100);
+	mod.VSASetInfo(44100,1);
+	mod.outMod->SetVolume(-666);		
+
+	killDecodeThread=0;
+	thread_handle = (HANDLE) CreateThread(NULL,0,(LPTHREAD_START_ROUTINE) PlayThread,(void *) &killDecodeThread,0,&tmp);
+	
+	return 0; 
+}
+
+void pause() { paused=1; mod.outMod->Pause(1); }
+void unpause() { paused=0; mod.outMod->Pause(0); }
+int ispaused() { return paused; }
+
+void stop() { 
+	if (thread_handle != INVALID_HANDLE_VALUE)
+	{
+		killDecodeThread=1;
+		if (WaitForSingleObject(thread_handle,INFINITE) == WAIT_TIMEOUT)
+		{
+			MessageBoxA(mod.hMainWindow,"error asking thread to die!\n","error killing decode thread",0);   // Must stay in ANSI
+			TerminateThread(thread_handle,0);
+		}
+		CloseHandle(thread_handle);
+		thread_handle = INVALID_HANDLE_VALUE;
+	}
+
+	mod.outMod->Close();
+	mod.SAVSADeInit();
+}
+
+int getlength() { return -1000; }
+int getoutputtime() { return mod.outMod->GetOutputTime(); }
+void setoutputtime(int time_in_ms) {  }
+
+void setvolume(int volume) { mod.outMod->SetVolume(volume); }
+void setpan(int pan) { mod.outMod->SetPan(pan); }
+
+int infoDlg(const char *fn, HWND hwnd)
+{
+	return 0;
+}
+
+void getfileinfo(const char *filename, char *title, int *length_in_ms)
+{
+	if (!filename || !*filename) filename=lastfn;
+	if (title) 
+	{
+		const char *s=filename+7;
+		int n=0;
+		while (*s >= '0' && *s <= '9')
+		{
+			n*=10;
+			n += *s++ -'0';
+		}
+		sprintf(title,"%dhz Tone",n);
+	}
+	if (length_in_ms) *length_in_ms=-1000;
+}
+
+void eq_set(int on, char data[10], int preamp) 
+{ 
+}
+
+
+In_Module mod = 
+{
+	IN_VER,
+	L"Nullsoft Tone Generator v0.2 "
+/* #ifdef __alpha
+	"(AXP)"
+#else
+	"(x86)"
+#endif */
+	,
+	0,	// hMainWindow
+	0,  // hDllInstance
+	"\0"
+	,
+	0,	// is_seekable
+	1, // uses output
+	config,
+	about,
+	init,
+	quit,
+	getfileinfo,
+	infoDlg,
+	isourfile,
+	play,
+	pause,
+	unpause,
+	ispaused,
+	stop,
+	
+	getlength,
+	getoutputtime,
+	setoutputtime,
+
+	setvolume,
+	setpan,
+
+	0,0,0,0,0,0,0,0,0, // vis stuff
+
+
+	0,0, // dsp
+
+	eq_set,
+
+	NULL,		// setinfo
+
+	0 // out_mod
+
+};
+
+__declspec( dllexport ) In_Module * winampGetInModule2()
+{
+	return &mod;
+}
+
+int _fltused=0;
+
+DWORD WINAPI __stdcall PlayThread(void *b)
+{
+	double angle=0.0,dangle=3.14159*2.0*(double)gen_freq/(double)44100.0;
+	while (! *((int *)b) ) 
+	{
+		if (mod.outMod->CanWrite() >= ((sizeof(sample_buffer)/2)<<(mod.dsp_isactive()?1:0)))
+		{	
+			int l=sizeof(sample_buffer)/2,x=l/2;
+			short *s=sample_buffer;
+			while (x--)
+			{
+				int i;
+				double d = sin(angle)*32766.5;
+#ifndef __alpha
+				__asm {
+					fld d
+					fistp i
+				}
+#else
+				i = (int) d;
+#endif
+				*s++=i;
+				angle += dangle;
+			}
+			{
+				int t=mod.outMod->GetWrittenTime();
+				mod.SAAddPCMData((char *)sample_buffer,1,16,t);
+				mod.VSAAddPCMData((char *)sample_buffer,1,16,t);
+			}
+			l=mod.dsp_dosamples(sample_buffer,l/2,16,1,44100)*2;
+			mod.outMod->Write((char *)sample_buffer,l);
+		}
+		else Sleep(50);
+	}
+	return 0;
+}