Initial community commit

Src/Winamp/DSP.cpp

@@ -0,0 +1,85 @@
+#include "Main.h"
+#include "dsp.h"
+
+static int initted=0;
+static HINSTANCE hLib=0;
+static winampDSPModule *mod=0;
+
+void dsp_init(void)
+{
+	if (g_safeMode)
+		return;
+
+	wchar_t str[1024] = {0};
+
+	if (initted)
+		dsp_quit();
+
+	if (!config_dspplugin_name[0])
+		return;
+
+	PathCombineW(str,DSPDIR,config_dspplugin_name);
+	hLib = LoadLibraryW(str);
+
+	if (!hLib)
+		return;
+
+	winampDSPGetHeaderType pr = (winampDSPGetHeaderType) GetProcAddress(hLib,"winampDSPGetHeader2");
+
+	if (!pr || (pr(hMainWindow)->version < DSP_HDRVER && pr(hMainWindow)->version >= DSP_HDRVER+0x10) || !(mod = pr(hMainWindow)->getModule(config_dspplugin_num))) 
+	{
+		FreeLibrary(hLib);
+		hLib=0;
+		return;
+	}
+
+	mod->hwndParent=hMainWindow;
+	mod->hDllInstance=hLib;
+	mod->Init(mod);
+	initted=1;
+}
+
+void dsp_quit(void)
+{
+	if (!initted)
+		return;
+
+	initted=0;
+	if (mod)
+	{
+		if (!(config_no_visseh&2))
+		{
+			try
+			{
+				mod->Quit(mod);
+			}
+			catch(...)
+			{
+			}
+		}
+		else
+		{
+			mod->Quit(mod);
+		}
+	}
+
+	FreeLibrary(hLib);
+	hLib=0;
+	mod=0;
+}
+
+int dsp_isactive(void)
+{
+	return (in_mod && initted && mod);
+}
+
+int dsp_dosamples(short int *samples, int numsamples, int bps, int nch, int srate)
+{
+	if (dsp_isactive())
+	{
+		if (mod)
+			return (mod->ModifySamples(mod,samples,numsamples,bps,nch,srate));
+	}
+
+	return numsamples;
+}