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| |
| #ifndef SAMPLEGRABBER_H |
| #define SAMPLEGRABBER_H |
| |
| #include <QtCore/qmutex.h> |
| #include <QtCore/qlist.h> |
| #include <QtMultimedia/qaudioformat.h> |
| #include <mfapi.h> |
| #include <mfidl.h> |
| |
| class MFAudioProbeControl; |
| |
| class SampleGrabberCallback : public IMFSampleGrabberSinkCallback |
| { |
| public: |
| // IUnknown methods |
| STDMETHODIMP QueryInterface(REFIID iid, void** ppv); |
| STDMETHODIMP_(ULONG) AddRef(); |
| STDMETHODIMP_(ULONG) Release(); |
| |
| // IMFClockStateSink methods |
| STDMETHODIMP OnClockStart(MFTIME hnsSystemTime, LONGLONG llClockStartOffset); |
| STDMETHODIMP OnClockStop(MFTIME hnsSystemTime); |
| STDMETHODIMP OnClockPause(MFTIME hnsSystemTime); |
| STDMETHODIMP OnClockRestart(MFTIME hnsSystemTime); |
| STDMETHODIMP OnClockSetRate(MFTIME hnsSystemTime, float flRate); |
| |
| // IMFSampleGrabberSinkCallback methods |
| STDMETHODIMP OnSetPresentationClock(IMFPresentationClock* pClock); |
| STDMETHODIMP OnShutdown(); |
| |
| protected: |
| SampleGrabberCallback() : m_cRef(1) {} |
| |
| public: |
| virtual ~SampleGrabberCallback() {} |
| |
| private: |
| long m_cRef; |
| }; |
| |
| class AudioSampleGrabberCallback: public SampleGrabberCallback { |
| public: |
| void addProbe(MFAudioProbeControl* probe); |
| void removeProbe(MFAudioProbeControl* probe); |
| void setFormat(const QAudioFormat& format); |
| |
| STDMETHODIMP OnProcessSample(REFGUID guidMajorMediaType, DWORD dwSampleFlags, |
| LONGLONG llSampleTime, LONGLONG llSampleDuration, const BYTE * pSampleBuffer, |
| DWORD dwSampleSize); |
| |
| private: |
| QList<MFAudioProbeControl*> m_audioProbes; |
| QMutex m_audioProbeMutex; |
| QAudioFormat m_format; |
| }; |
| |
| #endif // SAMPLEGRABBER_H |