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| |
| #ifndef MFTRANSFORM_H |
| #define MFTRANSFORM_H |
| |
| #include <mfapi.h> |
| #include <mfidl.h> |
| #include <QtCore/qlist.h> |
| #include <QtCore/qmutex.h> |
| #include <QtMultimedia/qvideosurfaceformat.h> |
| |
| QT_USE_NAMESPACE |
| |
| class MFVideoProbeControl; |
| |
| class MFTransform: public IMFTransform |
| { |
| public: |
| MFTransform(); |
| ~MFTransform(); |
| |
| void addProbe(MFVideoProbeControl* probe); |
| void removeProbe(MFVideoProbeControl* probe); |
| |
| void setVideoSink(IUnknown *videoSink); |
| |
| // IUnknown methods |
| STDMETHODIMP QueryInterface(REFIID iid, void** ppv); |
| STDMETHODIMP_(ULONG) AddRef(); |
| STDMETHODIMP_(ULONG) Release(); |
| |
| // IMFTransform methods |
| STDMETHODIMP GetStreamLimits(DWORD *pdwInputMinimum, DWORD *pdwInputMaximum, DWORD *pdwOutputMinimum, DWORD *pdwOutputMaximum); |
| STDMETHODIMP GetStreamCount(DWORD *pcInputStreams, DWORD *pcOutputStreams); |
| STDMETHODIMP GetStreamIDs(DWORD dwInputIDArraySize, DWORD *pdwInputIDs, DWORD dwOutputIDArraySize, DWORD *pdwOutputIDs); |
| STDMETHODIMP GetInputStreamInfo(DWORD dwInputStreamID, MFT_INPUT_STREAM_INFO *pStreamInfo); |
| STDMETHODIMP GetOutputStreamInfo(DWORD dwOutputStreamID, MFT_OUTPUT_STREAM_INFO *pStreamInfo); |
| STDMETHODIMP GetAttributes(IMFAttributes **pAttributes); |
| STDMETHODIMP GetInputStreamAttributes(DWORD dwInputStreamID, IMFAttributes **pAttributes); |
| STDMETHODIMP GetOutputStreamAttributes(DWORD dwOutputStreamID, IMFAttributes **pAttributes); |
| STDMETHODIMP DeleteInputStream(DWORD dwStreamID); |
| STDMETHODIMP AddInputStreams(DWORD cStreams, DWORD *adwStreamIDs); |
| STDMETHODIMP GetInputAvailableType(DWORD dwInputStreamID, DWORD dwTypeIndex, IMFMediaType **ppType); |
| STDMETHODIMP GetOutputAvailableType(DWORD dwOutputStreamID,DWORD dwTypeIndex, IMFMediaType **ppType); |
| STDMETHODIMP SetInputType(DWORD dwInputStreamID, IMFMediaType *pType, DWORD dwFlags); |
| STDMETHODIMP SetOutputType(DWORD dwOutputStreamID, IMFMediaType *pType, DWORD dwFlags); |
| STDMETHODIMP GetInputCurrentType(DWORD dwInputStreamID, IMFMediaType **ppType); |
| STDMETHODIMP GetOutputCurrentType(DWORD dwOutputStreamID, IMFMediaType **ppType); |
| STDMETHODIMP GetInputStatus(DWORD dwInputStreamID, DWORD *pdwFlags); |
| STDMETHODIMP GetOutputStatus(DWORD *pdwFlags); |
| STDMETHODIMP SetOutputBounds(LONGLONG hnsLowerBound, LONGLONG hnsUpperBound); |
| STDMETHODIMP ProcessEvent(DWORD dwInputStreamID, 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, MFT_OUTPUT_DATA_BUFFER *pOutputSamples, DWORD *pdwStatus); |
| |
| private: |
| HRESULT OnFlush(); |
| static QVideoFrame::PixelFormat formatFromSubtype(const GUID& subtype); |
| static QVideoSurfaceFormat videoFormatForMFMediaType(IMFMediaType *mediaType, int *bytesPerLine); |
| QVideoFrame makeVideoFrame(); |
| QByteArray dataFromBuffer(IMFMediaBuffer *buffer, int height, int *bytesPerLine); |
| bool isMediaTypeSupported(IMFMediaType *type); |
| |
| long m_cRef; |
| IMFMediaType *m_inputType; |
| IMFMediaType *m_outputType; |
| IMFSample *m_sample; |
| QMutex m_mutex; |
| |
| IMFMediaTypeHandler *m_videoSinkTypeHandler; |
| |
| QList<MFVideoProbeControl*> m_videoProbes; |
| QMutex m_videoProbeMutex; |
| |
| QVideoSurfaceFormat m_format; |
| int m_bytesPerLine; |
| }; |
| |
| #endif |