1 files changed, 3 insertions, 3 deletions
diff --git a/general/SimpleMediaSource/MediaSource/SimpleMediaSource.cpp b/general/SimpleMediaSource/MediaSource/SimpleMediaSource.cpp
index 8ff15872..e672c9da 100644
--- a/general/SimpleMediaSource/MediaSource/SimpleMediaSource.cpp
+++ b/general/SimpleMediaSource/MediaSource/SimpleMediaSource.cpp
@@ -27,11 +27,11 @@ namespace winrt::WindowsSample::implementation
             RETURN_IF_FAILED(m_streamList[i]->Initialize(this, i, MFSampleAllocatorUsage_UsesProvidedAllocator));
 
             RETURN_IF_FAILED(m_streamList[i]->GetStreamDescriptor(&streamDescriptorList[i]));
-        }
+            }
 
-        RETURN_IF_FAILED(MFCreatePresentationDescriptor(m_streamList.size(), streamDescriptorList.get(), &m_spPresentationDescriptor));
+            RETURN_IF_FAILED(MFCreatePresentationDescriptor(static_cast<DWORD>(m_streamList.size()), streamDescriptorList.get(), &m_spPresentationDescriptor));
 
-        m_sourceState = SourceState::Stopped;
+            m_sourceState = SourceState::Stopped;
 
         return S_OK;
     }