windows-nt/Source/XPSP1/NT/enduser/netmeeting/av/h323/t120chan.h

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2020-09-26 03:20:57 -05:00
/*
* File: t120chan.h
*
* T.120 implementation of media channel.
* Interfaces: ICommChannel, ICtrlCommChan
*
* Revision History:
*
* 06/11/97 mikev created
*/
#ifndef _T120CHAN_H
#define _T120CHAN_H
class ImpT120Chan : public ICommChannel, public ICtrlCommChan
{
protected:
SOCKADDR_IN local_sin;
SOCKADDR_IN remote_sin;
UINT uRef;
GUID m_MediaID;
IControlChannel *m_pCtlChan;
LPIH323PubCap m_pCapObject;
IH323ConfAdvise *m_pH323ConfAdvise;
DWORD m_dwFlags;
DWORD_PTR dwhChannel; //General purpose handle. Whatever
// creates an instance of this class can use this for whatever it wants
public:
ImpT120Chan ();
~ImpT120Chan ();
// ICtrlCommChannel methods
STDMETHODIMP_(IControlChannel *) GetControlChannel(VOID) {return m_pCtlChan;};
STDMETHODIMP StandbyInit(LPGUID lpMID, LPIH323PubCap pCapObject,
IMediaChannel* pMediaStreamSend)
{
return hrSuccess;
};
STDMETHODIMP_(BOOL) Init(LPGUID lpMID, IH323ConfAdvise *pH323ConfAdvise,
BOOL fSendDirection)
{
m_MediaID = *lpMID;
m_pH323ConfAdvise = pH323ConfAdvise;
return TRUE;
};
STDMETHODIMP GetMediaType(LPGUID pGuid);
STDMETHODIMP CtrlChanSetProperty(DWORD prop, PVOID pBuf, DWORD cbBuf){return CHAN_E_INVALID_PARAM;};
STDMETHODIMP PauseNet(BOOL bPause, BOOL bRemote) {return CHAN_E_INVALID_PARAM;};
STDMETHODIMP BeginControlSession(IControlChannel *pCtlChan, LPIH323PubCap pCapObject);
STDMETHODIMP EndControlSession();
STDMETHODIMP OnChannelOpening();
STDMETHODIMP OnChannelOpen(DWORD dwStatus);
STDMETHODIMP OnChannelClose(DWORD dwStatus);
STDMETHODIMP_(UINT) Reset(VOID) {return 0;};
STDMETHODIMP_(BOOL) SelectPorts(LPIControlChannel pCtlChannel);
STDMETHODIMP_(PSOCKADDR_IN) GetLocalAddress(){return &local_sin;};
STDMETHODIMP_(PORT) GetLocalRTPPort() {return 0;};
STDMETHODIMP_(PORT) GetLocalRTCPPort() {return 0;};
STDMETHODIMP AcceptRemoteAddress (PSOCKADDR_IN pSinD);
STDMETHODIMP AcceptRemoteRTCPAddress(PSOCKADDR_IN pSinC) {return CHAN_E_INVALID_PARAM;};
STDMETHODIMP_(BOOL) IsSendChannel () {return TRUE;};
STDMETHODIMP_(BOOL) IsChannelOpen(){return ((m_dwFlags & COMCH_OPEN) !=0);};
STDMETHODIMP_(BOOL) IsOpenPending(){return ((m_dwFlags & COMCH_OPEN_PENDING ) !=0);};
STDMETHODIMP_(BOOL) IsChannelEnabled(){return ((m_dwFlags & COMCH_ENABLED ) !=0);};
STDMETHODIMP ConfigureCapability(LPVOID lpvRemoteChannelParams, UINT uRemoteParamSize,
LPVOID lpvLocalParams, UINT uLocalParamSize){return CHAN_E_INVALID_PARAM;};
STDMETHODIMP GetLocalParams(LPVOID lpvChannelParams, UINT uBufSize){return CHAN_E_INVALID_PARAM;};
STDMETHODIMP_(PVOID) GetRemoteParams(VOID) {return NULL;}
STDMETHODIMP_(VOID) SetNegotiatedLocalFormat(DWORD dwF) {return;};
STDMETHODIMP_(VOID) SetNegotiatedRemoteFormat(DWORD dwF) {return;};
STDMETHODIMP_(DWORD_PTR) GetHChannel(VOID) {return dwhChannel;};
STDMETHODIMP_(VOID) SetHChannel (DWORD_PTR dwSetChannel) {dwhChannel = dwSetChannel;};
// ICommChannel Methods
STDMETHODIMP QueryInterface(REFIID riid, LPVOID FAR * ppvObj);
STDMETHOD_(ULONG,AddRef());
STDMETHOD_(ULONG,Release());
STDMETHOD(GetProperty(DWORD prop, PVOID pBuf, LPUINT pcbBuf)) {return CHAN_E_INVALID_PARAM;};
STDMETHOD(SetProperty(DWORD prop, PVOID pBuf, UINT cbBuf)) {return CHAN_E_INVALID_PARAM;};
STDMETHOD(IsChannelOpen(BOOL *pbOpen));
STDMETHOD(Open(MEDIA_FORMAT_ID idLocalFormat,IH323Endpoint *pConnection));
STDMETHOD(Close());
STDMETHOD(SetAdviseInterface(IH323ConfAdvise *pH323ConfAdvise));
STDMETHOD(EnableOpen(BOOL bEnable));
STDMETHOD_(IMediaChannel *, GetMediaChannel(VOID)) {return NULL;};
STDMETHOD(Preview(MEDIA_FORMAT_ID idLocalFormat, IMediaChannel * pMediaChannel)){return CHAN_E_INVALID_PARAM;};
STDMETHOD(PauseNetworkStream(BOOL fPause)){return CHAN_E_INVALID_PARAM;};
STDMETHOD_(BOOL, IsNetworkStreamPaused(VOID)){return CHAN_E_INVALID_PARAM;};
STDMETHOD_(BOOL, IsRemotePaused(VOID)){return CHAN_E_INVALID_PARAM;};
STDMETHODIMP_(MEDIA_FORMAT_ID) GetConfiguredFormatID() {return INVALID_MEDIA_FORMAT;};
STDMETHODIMP GetRemoteAddress(PSOCKADDR_IN pAddrOutput);
};
#endif // _T120CHAN_H