[host] update capture classes to return the pitch

host/Capture/DXGI.cpp

@@ -260,6 +260,7 @@ GrabStatus DXGI::GrabFrame(FrameInfo & frame)
         // send the last frame again if we timeout to prevent the client stalling on restart
         frame.width = m_desc.Width;
         frame.height = m_desc.Height;
+        frame.pitch  = m_rect.Pitch;
         frame.stride = m_rect.Pitch / 4;
 
         unsigned int size = m_height * m_rect.Pitch;

host/Capture/NvFBC.cpp

@@ -289,6 +289,7 @@ enum GrabStatus NvFBC::GrabFrame(struct FrameInfo & frame)
       }
 
       frame.stride = frame.width;
+      frame.pitch  = dataWidth;
       uint8_t *src = (uint8_t *)m_frameBuffer + dataOffset;
       uint8_t *dst = (uint8_t *)frame.buffer;
       for(unsigned int y = 0; y < frame.height; ++y, dst += dataWidth, src += m_grabInfo.dwBufferWidth * 4)

host/ICapture.h

@@ -42,6 +42,7 @@ struct FrameInfo
   unsigned int width;
   unsigned int height;
   unsigned int stride;
+  unsigned int pitch;
   void * buffer;
   size_t bufferSize;
 

host/Service.cpp

@@ -268,6 +268,7 @@ bool Service::Process()
     m_detail.frame.width   = frame.width;
     m_detail.frame.height  = frame.height;
     m_detail.frame.stride  = frame.stride;
+    m_detail.frame.pitch   = frame.pitch;
     m_detail.frame.dataPos = m_dataOffset[m_frameIndex];
     if (++m_frameIndex == 2)
       m_frameIndex = 0;