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Merge pull request #7843 from chacha21:fix-capture-msmf

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This commit is contained in:
Alexander Alekhin 2016-12-14 02:47:19 +00:00
commit c977af8ee8
1 changed files with 23 additions and 9 deletions
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18
modules/videoio/src/cap_msmf.cpp
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@ -1986,13 +1986,17 @@ long videoDevice::resetDevice(IMFActivate *pActivate)
&vd_pFriendlyName,
NULL
);
if (SUCCEEDED(hr))
hr = pActivate->ActivateObject(
__uuidof(IMFMediaSource),
(void**)&pSource
);
if (SUCCEEDED(hr) && pSource)
{
enumerateCaptureFormats(pSource);
buildLibraryofTypes();
SafeRelease(&pSource);
}//end if (SUCCEEDED(hr) && pSource)
if(FAILED(hr))
{
vd_pFriendlyName = NULL;
@ -2638,7 +2642,12 @@ HRESULT videoDevice::enumerateCaptureFormats(IMFMediaSource *pSource)
_ComPtr<IMFStreamDescriptor> pSD = NULL;
_ComPtr<IMFMediaTypeHandler> pHandler = NULL;
_ComPtr<IMFMediaType> pType = NULL;
HRESULT hr = pSource->CreatePresentationDescriptor(pPD.GetAddressOf());
HRESULT hr = !pSource ? E_POINTER : S_OK;
if (FAILED(hr))
{
goto done;
}
hr = pSource->CreatePresentationDescriptor(pPD.GetAddressOf());
if (FAILED(hr))
{
goto done;
@ -3815,7 +3824,12 @@ HRESULT CvCaptureFile_MSMF::enumerateCaptureFormats(IMFMediaSource *pSource)
_ComPtr<IMFStreamDescriptor> pSD = NULL;
_ComPtr<IMFMediaTypeHandler> pHandler = NULL;
_ComPtr<IMFMediaType> pType = NULL;
HRESULT hr = pSource->CreatePresentationDescriptor(pPD.GetAddressOf());
HRESULT hr = !pSource ? E_POINTER : S_OK;
if (FAILED(hr))
{
goto done;
}
hr = pSource->CreatePresentationDescriptor(pPD.GetAddressOf());
if (FAILED(hr))
{
goto done;