Fix the C4701 warnings: Potentially uninitialized local variable "XXX" used.

7 files changed, 10 insertions, 9 deletions

diff --git a/src/filters/parser/BaseSplitter/BaseSplitterFileEx.cpp b/src/filters/parser/BaseSplitter/BaseSplitterFileEx.cpp
index 5737a58fb..ec7f83fde 100644
--- a/src/filters/parser/BaseSplitter/BaseSplitterFileEx.cpp
+++ b/src/filters/parser/BaseSplitter/BaseSplitterFileEx.cpp
@@ -1138,9 +1138,9 @@ bool CBaseSplitterFileEx::Read(mlphdr& h, int len, CMediaType* pmt, bool find_sy
 

     __int64 startpos = GetPos();

 

-    int samplerate, channels, framelength;

-    WORD bitdepth;

-    bool isTrueHD;

+    int samplerate = 0, channels = 0, framelength = 0;

+    WORD bitdepth = 0;

+    bool isTrueHD = false;

     int fsize = 0;

 

     BYTE buf[20];

diff --git a/src/filters/renderer/VideoRenderers/DX9AllocatorPresenter.cpp b/src/filters/renderer/VideoRenderers/DX9AllocatorPresenter.cpp
index 52472d80f..11b957a4b 100644
--- a/src/filters/renderer/VideoRenderers/DX9AllocatorPresenter.cpp
+++ b/src/filters/renderer/VideoRenderers/DX9AllocatorPresenter.cpp
@@ -1998,6 +1998,7 @@ void CDX9AllocatorPresenter::DrawStats()
             OffsetRect(&rc, 0, TextHeight);

             if (m_pVideoTexture[0] || m_pVideoSurface[0]) {

                 D3DSURFACE_DESC desc;

+                ZeroMemory(&desc, sizeof(desc));

                 if (m_pVideoTexture[0]) {

                     m_pVideoTexture[0]->GetLevelDesc(0, &desc);

                 } else if (m_pVideoSurface[0]) {

diff --git a/src/filters/renderer/VideoRenderers/EVRAllocatorPresenter.cpp b/src/filters/renderer/VideoRenderers/EVRAllocatorPresenter.cpp
index 17b95c366..0eecb345d 100644
--- a/src/filters/renderer/VideoRenderers/EVRAllocatorPresenter.cpp
+++ b/src/filters/renderer/VideoRenderers/EVRAllocatorPresenter.cpp
@@ -1031,7 +1031,7 @@ HRESULT CEVRAllocatorPresenter::RenegotiateMediaType()
             hr = m_pMixer->SetOutputType(0, pType, MFT_SET_TYPE_TEST_ONLY);

         }

 

-        int Merit;

+        int Merit = 0;

         if (SUCCEEDED(hr)) {

             hr = GetMediaTypeMerit(pType, &Merit);

         }

diff --git a/src/filters/renderer/VideoRenderers/SyncRenderer.cpp b/src/filters/renderer/VideoRenderers/SyncRenderer.cpp
index fc2f5f7a2..becb2b37c 100644
--- a/src/filters/renderer/VideoRenderers/SyncRenderer.cpp
+++ b/src/filters/renderer/VideoRenderers/SyncRenderer.cpp
@@ -680,12 +680,12 @@ HRESULT CBaseAP::ResetDXDevice(CString& _Error)
     std::vector<CComPtr<IPin>> decoderOutput;

     std::vector<CComPtr<IPin>> rendererInput;

     FILTER_INFO filterInfo;

+    ZeroMemory(&filterInfo, sizeof(filterInfo));

 

     bool disconnected = FALSE;

 

     // Disconnect all pins to release video memory resources

     if (m_pD3DDev) {

-        ZeroMemory(&filterInfo, sizeof(filterInfo));

         m_pOuterEVR->QueryFilterInfo(&filterInfo); // This addref's the pGraph member

         if (SUCCEEDED(m_pOuterEVR->EnumPins(&rendererInputEnum))) {

             CComPtr<IPin> input;

diff --git a/src/filters/transform/MpaDecFilter/MpaDecFilter.cpp b/src/filters/transform/MpaDecFilter/MpaDecFilter.cpp
index 9167e19c5..e8e0f857d 100644
--- a/src/filters/transform/MpaDecFilter/MpaDecFilter.cpp
+++ b/src/filters/transform/MpaDecFilter/MpaDecFilter.cpp
@@ -1083,7 +1083,7 @@ HRESULT CMpaDecFilter::ProcessDTS_SPDIF()
     BYTE* p = base;

 

     while (p + 16 <= end) {

-        int samplerate, channels, framelength, bitrate;

+        int samplerate = 0, channels, framelength = 0, bitrate;

 

         int size = GetDTSFrameSize(p);

         if (size > 0) {

diff --git a/src/mpc-hc/MainFrm.cpp b/src/mpc-hc/MainFrm.cpp
index 18f321330..b88f49608 100644
--- a/src/mpc-hc/MainFrm.cpp
+++ b/src/mpc-hc/MainFrm.cpp
@@ -8083,7 +8083,7 @@ void CMainFrame::OnNormalizeRegainVolume(UINT nID)
 {

     if (CComQIPtr<IAudioSwitcherFilter> pASF = FindFilter(__uuidof(CAudioSwitcherFilter), m_pGB)) {

         CAppSettings& s = AfxGetAppSettings();

-        WORD osdMessage;

+        WORD osdMessage = 0;

 

         switch (nID) {

             case ID_NORMALIZE:

@@ -8174,7 +8174,7 @@ void CMainFrame::OnAfterplayback(UINT nID)
 {

     CAppSettings& s = AfxGetAppSettings();

     s.nCLSwitches &= ~CLSW_AFTERPLAYBACK_MASK;

-    WORD osdMsg;

+    WORD osdMsg = 0;

 

     switch (nID) {

         case ID_AFTERPLAYBACK_NEXT:

diff --git a/src/thirdparty/Bento4/Core/Ap4AtomSampleTable.cpp b/src/thirdparty/Bento4/Core/Ap4AtomSampleTable.cpp
index cf96ba8c6..225d29958 100644
--- a/src/thirdparty/Bento4/Core/Ap4AtomSampleTable.cpp
+++ b/src/thirdparty/Bento4/Core/Ap4AtomSampleTable.cpp
@@ -135,7 +135,7 @@ AP4_AtomSampleTable::GetSample(AP4_Ordinal index,
     if (skip > index) return AP4_ERROR_INTERNAL;
 
     // get the atom offset for this chunk
-    AP4_Offset offset;
+    AP4_Offset offset = 0;
 	if (m_StcoAtom) result = m_StcoAtom->GetChunkOffset(chunk, offset); 
 	else if (m_Co64Atom) result = m_Co64Atom->GetChunkOffset(chunk, offset); 
 	else result = AP4_ERROR_INTERNAL;