remove transform FN field

Samples/BackgroundBlur/BackgroundBlur/TransformBlur.cpp

@@ -71,7 +71,6 @@ TransformBlur::TransformBlur(HRESULT& hr) :
     m_imageWidthInPixels(0),
     m_imageHeightInPixels(0),
     m_cbImageSize(0),
-    m_pTransformFn(NULL),
     m_pD3DDeviceManager(NULL),
     m_pHandle(NULL),
     m_pD3DDevice(NULL),
@@ -1403,9 +1402,7 @@ HRESULT TransformBlur::OnProcessOutput(IMFMediaBuffer* pIn, IMFMediaBuffer* pOut
     // Lock the output buffer.
     CHECK_HR(hr = outputLock.LockBuffer(lDefaultStride, m_imageHeightInPixels, &pDest, &lDestStride));
 
-    // TODO: Implement a LearningModelBuilder for grayscale
     // Invoke the image transform function.
-    //assert(m_pTransformFn != NULL);
     if (true)
     {
         TransformImage_Stub(pDest, pSrc, m_cbImageSize, m_segmentModel);
@@ -1455,37 +1452,12 @@ HRESULT TransformBlur::UpdateFormatInfo()
     m_videoFOURCC = 0;
     m_cbImageSize = 0;
 
-    m_pTransformFn = NULL;
-
     if (m_pInputType != NULL)
     {
         CHECK_HR(hr = m_pInputType->GetGUID(MF_MT_SUBTYPE, &subtype));
 
         m_videoFOURCC = subtype.Data1;
 
-        switch (m_videoFOURCC)
-        {
-        case FOURCC_YUY2:
-            //m_pTransformFn = TransformImage_YUY2;
-            break;
-
-        case FOURCC_UYVY:
-            //m_pTransformFn = TransformImage_UYVY;
-            break;
-
-        case FOURCC_NV12:
-            //m_pTransformFn = TransformImage_NV12;
-            break; 
-
-        case FOURCC_RGB24:
-            break;
-
-        case FOURCC_RGB32:
-            break;
-        default:
-            CHECK_HR(hr = E_UNEXPECTED);
-        }
-
         CHECK_HR(hr = MFGetAttributeSize(
             m_pInputType,
             MF_MT_FRAME_SIZE,
@@ -1499,7 +1471,6 @@ HRESULT TransformBlur::UpdateFormatInfo()
         CHECK_HR(hr = GetImageSize(m_videoFOURCC, m_imageWidthInPixels, m_imageHeightInPixels, &m_cbImageSize));
 
         // Set the size of the SegmentModel
-        // TODO: Check an HR? 
         m_segmentModel = SegmentModel(m_imageWidthInPixels, m_imageHeightInPixels);
     }
     

Samples/BackgroundBlur/BackgroundBlur/TransformBlur.h

@@ -202,19 +202,15 @@ private:
     IMFMediaType* m_pInputType;              // Input media type.
     IMFMediaType* m_pOutputType;             // Output media type.
 
-    // Fomat information- tbd if needed
+    // Fomat information
     FOURCC                      m_videoFOURCC;
     UINT32                      m_imageWidthInPixels;
     UINT32                      m_imageHeightInPixels;
     DWORD                       m_cbImageSize;              // Image size, in bytes.
-    
-    // Image transform function. (Changes based on the media type.)
-    IMAGE_TRANSFORM_FN          m_pTransformFn;
 
     // D3D fields
     IMFDXGIDeviceManager*       m_pD3DDeviceManager;
     HANDLE                      m_pHandle;              // Handle to the current device
-    // IDirectXVideoDecoderService*m_pDecoderService;
     ID3D11Device*               m_pD3DDevice;
     ID3D11VideoDevice*          m_pD3DVideoDevice;