Windows2003-3790/enduser/netmeeting/core/ichnlaud.h
2020-09-30 16:53:55 +02:00

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// File: ichnlaud.h
#ifndef _ICHNLAUD_H_
#define _ICHNLAUD_H_
// we have no notification on the channel "callback" that the state changed
// to determine if a/v is active we need to get both the video and the audio channel
class CNmChannelAudio : public INmChannelAudio,
public DllRefCount, public CConnectionPointContainer
{
private:
int m_cMembers;
BOOL m_fIncoming;
DWORD m_dwFlags;
IAudioChannel* m_pAudioChannel;
IAudioDevice * m_pAudioDevice;
ICommChannel* m_pCommChannel;
MEDIA_FORMAT_ID m_MediaFormat;
CAudioControl m_AudioControl;
public:
CNmChannelAudio(BOOL fIncoming);
~CNmChannelAudio();
VOID CommChannelOpened(ICommChannel *pCommChannel);
VOID CommChannelActive(ICommChannel *pCommChannel);
VOID CommChannelClosed();
ICommChannel * GetCommChannel() { return m_pCommChannel; }
VOID SetFormat(MEDIA_FORMAT_ID id) { m_MediaFormat = id;}
VOID OnConnected(IH323Endpoint * pConnection, ICommChannel *pIChannel)
{ m_AudioControl.OnConnected(pConnection, pIChannel); }
VOID OnDisconnected() { m_AudioControl.OnDisconnected(); }
VOID OnMemberAdded(CNmMember *pMember);
VOID OnMemberRemoved(CNmMember *pMember);
VOID OnMemberUpdated(CNmMember *pMember);
IMediaChannel *GetMediaChannelInterface(void);
DWORD GetLevel();
BOOL IsPaused();
BOOL IsAutoMixing();
VOID Open();
VOID Close();
// IUnknown
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
STDMETHODIMP QueryInterface(REFIID riid, PVOID *ppvObj);
// INmChannel
STDMETHODIMP IsSameAs(INmChannel *pChannel);
STDMETHODIMP IsActive();
STDMETHODIMP SetActive(BOOL fActive);
STDMETHODIMP GetConference(INmConference **ppConference);
STDMETHODIMP GetInterface(IID *piid);
STDMETHODIMP GetNmch(ULONG *puCh);
STDMETHODIMP EnumMember(IEnumNmMember **ppEnum);
STDMETHODIMP GetMemberCount(ULONG * puCount);
// INmChannelAudio
STDMETHODIMP IsIncoming(void);
STDMETHODIMP GetState(NM_AUDIO_STATE *puState);
STDMETHODIMP GetProperty(NM_AUDPROP uID, ULONG_PTR *puValue);
STDMETHODIMP SetProperty(NM_AUDPROP uID, ULONG_PTR uValue);
};
HRESULT OnNotifyPropertyChanged(IUnknown *pAudioChannelNotify, PVOID pv, REFIID riid);
HRESULT OnNotifyStateChanged(IUnknown *pAudioChannelNotify, PVOID pv, REFIID riid);
#endif // _ICHNLAUD_H_