Initial community commit

Src/Plugins/Output/out_ds/DevEnum.cpp

@@ -0,0 +1,132 @@
+#include "DevEnum.h"
+#include "ds2.h"
+#include "strsafe.h"
+
+static int device_count=0;
+static const GUID NULL_GUID;
+
+
+BOOL WINAPI DsDevEnum::DSEnumCallback(LPGUID guid,LPCTSTR desc,LPCTSTR,DS_DEV *** var)
+{
+	DS_DEV * dev=new DS_DEV;
+
+	size_t length=lstrlen(desc);
+	length+=4; // "##: "
+	length+=1; // null terminator
+
+	dev->name = (TCHAR *)calloc(sizeof(TCHAR),length);
+
+	StringCchPrintf(dev->name,length, TEXT("%02d: %s"), device_count++, desc);
+
+	dev->guid=guid ? *guid : NULL_GUID;
+
+	**var = dev;
+	*var=&dev->next;
+
+	return 1;
+}
+
+DsDevEnum::DsDevEnum()
+{
+	DS2::InitDLL();
+	ds_devs=0;
+  
+	DS_DEV ** dev_ptr=&ds_devs;
+  device_count = 1;
+	if (DS2::pDirectSoundEnumerate)
+		DS2::pDirectSoundEnumerate((LPDSENUMCALLBACK)DSEnumCallback,&dev_ptr);
+
+	*dev_ptr=0;
+	pDev=ds_devs;
+}
+
+DsDevEnum::~DsDevEnum()
+{
+	DS_DEV* dev=ds_devs;
+	while(dev)
+	{
+		DS_DEV * next=dev->next;
+		free(dev->name);
+		delete dev;
+		dev=next;
+	}
+//	ds_devs=0;
+}
+
+bool DsDevEnum::FindGuid(const GUID & guid)
+{
+	pDev=ds_devs;
+	while(pDev)
+	{
+		if (pDev->guid== guid) return true;
+		pDev=pDev->next;
+	}
+	return false;
+}
+
+bool DsDevEnum::FindDefault()
+{
+	return FindGuid(NULL_GUID);
+}
+
+bool DsDevEnum::FindName(const TCHAR *deviceToFind)
+{
+	pDev=ds_devs;
+	if (!deviceToFind) return true;
+	while(pDev)
+	{
+		if (!lstrcmpi(pDev->name,deviceToFind)) return true;
+		pDev=pDev->next;
+	}
+	return false;
+}
+/*
+const GUID  DsDevEnum::GuidFromName(const char* name)
+{
+	return FindName(name) ? GetGuid() : NULL_GUID; 
+}
+
+const char * DsDevEnum::NameFromGuid(const GUID & g, char * def)
+{
+	return FindGuid(g) ? GetName() : def;
+}
+*/
+const GUID DsDevEnum::GetGuid()
+{
+	return pDev ? pDev->guid : NULL_GUID;
+}
+
+
+static bool _getcaps(IDirectSound * pDS,LPDSCAPS pCaps,DWORD * speakercfg)
+{
+	bool rv = true;
+	if (pCaps)
+	{
+		memset(pCaps,0,sizeof(*pCaps));
+		pCaps->dwSize=sizeof(*pCaps);
+		if (FAILED(pDS->GetCaps(pCaps))) rv = false;
+	}
+	if (speakercfg)
+	{
+		if (FAILED(pDS->GetSpeakerConfig(speakercfg))) rv = false;
+	}
+	return rv;
+}
+
+bool DsDevEnum::GetCapsFromGuid(const GUID *dev,LPDSCAPS pCaps,DWORD * speakercfg)
+{
+	bool rv=false;
+	if (!dev) dev=&NULL_GUID;
+
+	if (DS2::TryGetDevCaps(dev,pCaps,speakercfg)) rv=true;
+	else
+	{
+		IDirectSound * l_pDS=0;
+		if (SUCCEEDED(DS2::myDirectSoundCreate(dev,&l_pDS)) && l_pDS)
+		{
+			rv=_getcaps(l_pDS,pCaps,speakercfg);
+			l_pDS->Release();
+		}
+	}
+	return rv;
+}