83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
// File: ichnlvid.h
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#ifndef _ICHNLVID_H_
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#define _ICHNLVID_H_
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// we have no notification on the channel "callback" that the state changed
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// to determine if a/v is active we need to get both the video and the audio channel
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class CNmChannelVideo : public INmChannelVideo,
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public DllRefCount, public CConnectionPointContainer
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{
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private:
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int m_cMembers;
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BOOL m_fIncoming;
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static CNmChannelVideo * m_pPreviewChannel;
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FRAMECONTEXT m_FrameContext;
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IMediaChannel *m_pMediaChannel;
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ICommChannel* m_pCommChannel;
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CVideoPump m_VideoPump;
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MEDIA_FORMAT_ID m_MediaFormat;
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BOOL IsCaptureAvailable() { return m_VideoPump.IsCaptureAvailable(); }
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public:
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CNmChannelVideo(BOOL fIncoming);
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~CNmChannelVideo();
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static CNmChannelVideo * CreatePreviewChannel();
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static CNmChannelVideo * CreateChannel(BOOL fIncoming);
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VOID OnConnected(IH323Endpoint * pConnection, ICommChannel *pIChannel)
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{ m_VideoPump.OnConnected(pConnection, pIChannel); }
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VOID OnDisconnected() { m_VideoPump.OnDisconnected(); }
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VOID CommChannelOpened(ICommChannel *pCommChannel);
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VOID CommChannelActive(ICommChannel *pCommChannel);
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VOID CommChannelError(DWORD dwStatus) { m_VideoPump.OnChannelError(); }
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VOID CommChannelRemotePaused(BOOL fPause) { OnStateChange(); }
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VOID CommChannelClosed();
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ICommChannel * GetCommChannel() { return m_pCommChannel; }
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ICommChannel * GetPreviewCommChannel() { return m_VideoPump.GetCommChannel();}
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VOID SetFormat(MEDIA_FORMAT_ID id) { m_MediaFormat = id;}
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BOOL IsSendEnabled() { return m_VideoPump.IsSendEnabled(); }
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BOOL IsPreviewEnabled() { return m_VideoPump.IsPreviewEnabled(); }
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VOID OnMemberAdded(CNmMember *pMember);
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VOID OnMemberRemoved(CNmMember *pMember);
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VOID OnMemberUpdated(CNmMember *pMember);
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IMediaChannel *GetMediaChannelInterface(void)
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{ if (m_pMediaChannel) m_pMediaChannel->AddRef(); return m_pMediaChannel;}
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VOID OnStateChange();
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VOID OnFrameAvailable();
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VOID Open();
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VOID Close();
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// IUnknown
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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STDMETHODIMP QueryInterface(REFIID riid, PVOID *ppvObj);
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// INmChannel
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STDMETHODIMP IsSameAs(INmChannel *pChannel);
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STDMETHODIMP IsActive();
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STDMETHODIMP SetActive(BOOL fActive);
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STDMETHODIMP GetConference(INmConference **ppConference);
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STDMETHODIMP GetInterface(IID *piid);
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STDMETHODIMP GetNmch(ULONG *puCh);
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STDMETHODIMP EnumMember(IEnumNmMember **ppEnum);
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STDMETHODIMP GetMemberCount(ULONG * puCount);
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// INmChannelVideo
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STDMETHODIMP IsIncoming(void);
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STDMETHODIMP GetState(NM_VIDEO_STATE *puState);
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STDMETHODIMP GetProperty(NM_VIDPROP uID, ULONG_PTR *puValue);
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STDMETHODIMP SetProperty(NM_VIDPROP uID, ULONG_PTR uValue);
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static VOID __stdcall FrameReadyCallback(DWORD_PTR dwMyThis);
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};
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#endif // _ICHNLVID_H_
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