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// Mft0.h : Declaration of the CMft0
#pragma once
#include "resource.h" // main symbols
#include "SampleMft0.h"
#include "SampleHelpers.h"
#if defined(_WIN32_WCE) && !defined(_CE_DCOM) && !defined(_CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA)
#error "Single-threaded COM objects are not properly supported on Windows CE platform, such as the Windows Mobile platforms that do not include full DCOM support. Define _CE_ALLOW_SINGLE_THREADED_OBJECTS_IN_MTA to force ATL to support creating single-thread COM object's and allow use of it's single-threaded COM object implementations. The threading model in your rgs file was set to 'Free' as that is the only threading model supported in non DCOM Windows CE platforms."
#endif
using namespace ATL;
// CMft0
class ATL_NO_VTABLE CMft0 :
public CComObjectRootEx<CComMultiThreadModel>,
public CComCoClass<CMft0, &CLSID_Mft0>,
public IMft0,
public IMFTransform,
public IInspectable
{
public:
CMft0() : m_pSample(NULL),
m_pInputType(NULL),
m_pOutputType(NULL),
m_pInputAttributes(0),
m_pGlobalAttributes(0),
m_pSourceTransform(0),
m_bEnableEffects(TRUE),
m_uiStreamId(0),
m_percentOfScreen(50),
m_nRefCount(1)
{
InitializeCriticalSection(&m_critSec);
}
DECLARE_REGISTRY_RESOURCEID(IDR_MFT0)
DECLARE_NOT_AGGREGATABLE(CMft0)
BEGIN_COM_MAP(CMft0)
COM_INTERFACE_ENTRY(IMft0)
COM_INTERFACE_ENTRY(IMFTransform)
COM_INTERFACE_ENTRY(IInspectable)
END_COM_MAP()
DECLARE_PROTECT_FINAL_CONSTRUCT()
HRESULT FinalConstruct()
{
return S_OK;
}
void FinalRelease()
{
}
public:
STDMETHOD(UpdateDsp)(UINT32 uiPercentOfScreen);
STDMETHOD(Enable)(void);
STDMETHOD(Disable)(void);
STDMETHOD(GetDspSetting)(UINT* puiPercentOfScreen, BOOL* pIsEnabled);
STDMETHODIMP GetIids(
/* [out] */ _Out_ ULONG *iidCount,
/* [size_is][size_is][out] */ _Outptr_result_buffer_maybenull_(*iidCount) IID **iids);
STDMETHODIMP GetRuntimeClassName(
/* [out] */ _Outptr_result_maybenull_ HSTRING *className);
STDMETHODIMP GetTrustLevel(
/* [out] */ _Out_ TrustLevel *trustLevel);
STDMETHODIMP GetStreamLimits(
/* [out] */ _Out_ DWORD *pdwInputMinimum,
/* [out] */ _Out_ DWORD *pdwInputMaximum,
/* [out] */ _Out_ DWORD *pdwOutputMinimum,
/* [out] */ _Out_ DWORD *pdwOutputMaximum);
STDMETHODIMP GetStreamCount(
/* [out] */ _Out_ DWORD *pcInputStreams,
/* [out] */ _Out_ DWORD *pcOutputStreams);
STDMETHODIMP GetStreamIDs(
DWORD dwInputIDArraySize,
/* [size_is][out] */ _Out_writes_(dwInputIDArraySize) DWORD *pdwInputIDs,
DWORD dwOutputIDArraySize,
/* [size_is][out] */ _Out_writes_(dwOutputIDArraySize) DWORD *pdwOutputIDs);
STDMETHODIMP GetInputStreamInfo(
DWORD dwInputStreamID,
/* [out] */ _Out_ MFT_INPUT_STREAM_INFO *pStreamInfo);
STDMETHODIMP GetOutputStreamInfo(
DWORD dwOutputStreamID,
/* [out] */ _Out_ MFT_OUTPUT_STREAM_INFO *pStreamInfo);
STDMETHODIMP GetAttributes(
/* [out] */ _Outptr_result_maybenull_ IMFAttributes **pAttributes);
STDMETHODIMP GetInputStreamAttributes(
DWORD dwInputStreamID,
/* [out] */ _Outptr_result_maybenull_ IMFAttributes **pAttributes);
STDMETHODIMP GetOutputStreamAttributes(
DWORD dwOutputStreamID,
/* [out] */ _Outptr_result_maybenull_ IMFAttributes **pAttributes);
STDMETHODIMP DeleteInputStream(
DWORD dwStreamID);
STDMETHODIMP AddInputStreams(
DWORD cStreams,
/* [in] */ _In_ DWORD *adwStreamIDs);
STDMETHODIMP GetInputAvailableType(
DWORD dwInputStreamID,
DWORD dwTypeIndex,
/* [out] */ _Outptr_result_maybenull_ IMFMediaType **ppType);
STDMETHODIMP GetOutputAvailableType(
DWORD dwOutputStreamID,
DWORD dwTypeIndex,
/* [out] */ _Outptr_result_maybenull_ IMFMediaType **ppType);
STDMETHODIMP SetInputType(
DWORD dwInputStreamID,
/* [in] */ _In_opt_ IMFMediaType *pType,
DWORD dwFlags);
STDMETHODIMP SetOutputType(
DWORD dwOutputStreamID,
/* [in] */ _In_opt_ IMFMediaType *pType,
DWORD dwFlags);
STDMETHODIMP GetInputCurrentType(
DWORD dwInputStreamID,
/* [out] */ _Outptr_result_maybenull_ IMFMediaType **ppType);
STDMETHODIMP GetOutputCurrentType(
DWORD dwOutputStreamID,
/* [out] */ _Outptr_result_maybenull_ IMFMediaType **ppType);
STDMETHODIMP GetInputStatus(
DWORD dwInputStreamID,
/* [out] */ _Out_ DWORD *pdwFlags);
STDMETHODIMP GetOutputStatus(
/* [out] */ _Out_ DWORD *pdwFlags);
STDMETHODIMP SetOutputBounds(
LONGLONG hnsLowerBound,
LONGLONG hnsUpperBound);
STDMETHODIMP ProcessEvent(
DWORD dwInputStreamID,
/* [in] */ _In_opt_ IMFMediaEvent *pEvent);
STDMETHODIMP ProcessMessage(
MFT_MESSAGE_TYPE eMessage,
ULONG_PTR ulParam);
STDMETHODIMP ProcessInput(
DWORD dwInputStreamID,
IMFSample *pSample,
DWORD dwFlags);
STDMETHODIMP ProcessOutput(
DWORD dwFlags,
DWORD cOutputBufferCount,
/* [size_is][out][in] */ MFT_OUTPUT_DATA_BUFFER *pOutputSamples,
/* [out] */ DWORD *pdwStatus);
protected:
virtual ~CMft0()
{
SAFERELEASE(m_pInputAttributes);
SAFERELEASE(m_pGlobalAttributes);
SAFERELEASE(m_pSourceTransform);
SAFERELEASE(m_pInputType);
SAFERELEASE(m_pOutputType);
SAFERELEASE(m_pSample);
DeleteCriticalSection(&m_critSec);
}
STDMETHODIMP GetMediaType(DWORD dwStreamID, DWORD dwTypeIndex, IMFMediaType **ppType);
STDMETHODIMP IsMediaTypeSupported(UINT uiStreamId, IMFMediaType *pIMFMediaType, IMFMediaType **ppIMFMediaTypeFull = NULL);
STDMETHODIMP GenerateMFMediaTypeListFromDevice(UINT uiStreamId);
// HasPendingOutput: Returns TRUE if the MFT is holding an input sample.
BOOL HasPendingOutput() const { return m_pSample != NULL; }
// IsValidInputStream: Returns TRUE if dwInputStreamID is a valid input stream identifier.
BOOL IsValidInputStream(DWORD dwInputStreamID);
// IsValidOutputStream: Returns TRUE if dwOutputStreamID is a valid output stream identifier.
BOOL IsValidOutputStream(DWORD dwOutputStreamID);
STDMETHODIMP GetDefaultStride(LONG *plStride);
STDMETHODIMP OnProcessOutput(IMFMediaBuffer *pIn, IMFMediaBuffer *pOut);
STDMETHODIMP OnFlush();
CRITICAL_SECTION m_critSec;
IMFSample *m_pSample; // Input sample.
IMFMediaType *m_pInputType; // Input media type.
IMFMediaType *m_pOutputType; // Output media type.
// Image transform function. (Changes based on the media type.)
IMFAttributes *m_pInputAttributes;
IMFAttributes *m_pGlobalAttributes;
GUID m_stStreamType;
IMFTransform *m_pSourceTransform;
volatile BOOL m_bEnableEffects;
UINT m_uiStreamId;
UINT m_percentOfScreen;
UINT m_nRefCount;
CAtlMap<DWORD, CComPtr<IMFMediaType>> m_listOfMediaTypes;
};
OBJECT_ENTRY_AUTO(__uuidof(Mft0), CMft0)
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