absolut OT: coverter WAV to mp3

HRESULT				hr;
	IMoniker*			pMoniker = NULL;


	ICreateDevEnum* pSysDevEnum = NULL;
	IEnumMoniker* pEnum = NULL;


	// System Device Enumerator
	hr = ::CoCreateInstance (CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void**) &pSysDevEnum);
	
	if (S_OK != hr)
	{
		// Error
		return FALSE;
	}


	// Moniker Enumerator
	hr = pSysDevEnum->CreateClassEnumerator ([COLOR=red]CLSID_AudioCompressorCategory[/COLOR], &pEnum, 0);
	if (S_OK != hr)
	{
		// Error
		pSysDevEnum->Release ();
		return FALSE;
	}


	if (NULL == pEnum)
	{
		return FALSE;
	}


	// Cycle throught IMoniker collection
	while (S_OK == pEnum->Next (1, &pMoniker, NULL))
	{
		// New instance of CDSCodec
		CDSCodec *pCodec = new CDSCodec ();
		pCodec->m_pMoniker = pMoniker;


		// Retrieve codec name
		IPropertyBag *pPropertyBag = NULL;
		hr = pMoniker->BindToStorage(NULL, NULL, IID_IPropertyBag, (void**) &pPropertyBag);
		if (SUCCEEDED(hr))
		{
			VARIANT var;
			VariantInit (&var);
			pPropertyBag->Read (L"FriendlyName", &var, NULL);
			CString szTempName (var.bstrVal);
			pCodec->m_szCodecName = szTempName;
			VariantClear (&var);
			// Add new instance to collection
			Add (pCodec);
			pCodec->BuildCodecFormatArray ();
		}
		else
		{
			delete pCodec;
		}
	}


	pEnum->Release ();
	pSysDevEnum->Release ();

HRESULT			hr;
	IBaseFilter		*pBaseFilter = NULL;


	// Retrieve the IBaseFilter
	hr = m_pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**) &pBaseFilter);
	if (FAILED(hr)) {
		// ERROR HERE
		return;
	}


	// Enumerate Pin
	IEnumPins	*pEnumPins = NULL;
	hr = pBaseFilter->EnumPins(&pEnumPins);
	if (FAILED(hr)) {
		// ERROR HERE
		pBaseFilter->Release();
		return;
	}


	// Find the output Pin
	IPin *pPin = NULL;


	while (S_OK == pEnumPins->Next (1, &pPin, 0))
	{
		PIN_DIRECTION direction;
		pPin->QueryDirection (&direction);


		//if (direction == PINDIR_OUTPUT)
		{
			// Retrieve the IAMStreamConfig
			IAMStreamConfig	*pStreamConfig = NULL;
			hr = pPin->QueryInterface(IID_IAMStreamConfig, (void**) &pStreamConfig);
			if (SUCCEEDED(hr)) {
				int nCount = 0, nSize = 0;
				pStreamConfig->GetNumberOfCapabilities(&nCount, &nSize);


				for (int i=0; i<nCount; i++) {
					AM_MEDIA_TYPE* pMediaType = NULL;
					AUDIO_STREAM_CONFIG_CAPS confCaps;
					hr = pStreamConfig->GetStreamCaps(i, &pMediaType, (BYTE*)&confCaps);
					if (SUCCEEDED(hr)) {
						CDSCodecFormat *pCodecFormat = new CDSCodecFormat();
						pCodecFormat->m_pMediaType = pMediaType;
						Add(pCodecFormat);
					}
				}
				pStreamConfig->Release();
			}
		}
		pPin->Release();
	}


	pEnumPins->Release();
	pBaseFilter->Release();