282 lines
10 KiB
C
282 lines
10 KiB
C
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/*
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* File: vcmcaps.h
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*
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*
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* VCM implementation of Microsoft Network Video capability object.
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*
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* Additional methods supported by this implementation:
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*
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* VIDEO_FORMAT_ID AddEncodeFormat(VIDCAP_DETAILS *pFmtBuf,LPVOID lpvMappingData, UINT uSize);
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* VIDEO_FORMAT_ID AddDecodeFormat(VIDCAP_DETAILS *pFmtBuf,LPVOID lpvMappingData, UINT uSize);
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*
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* Revision History:
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*
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* 12/27/95 mikev created
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* 07/28/96 philf added support for video
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*/
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#ifndef _VCMCAPS_H
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#define _VCMCAPS_H
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#include <pshpack8.h>
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// VCM enumeration support functions
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BOOL GetVideoFormatBuffer(VOID);
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BOOL __stdcall FormatTagEnumCallback(HVCMDRIVERID hadid, PVCMFORMATTAGDETAILS paftd,
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DWORD dwInstance, DWORD fdwSupport);
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BOOL __stdcall FormatEnumCallback(HVCMDRIVERID hadid,
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PVCMFORMATDETAILS pafd, DWORD_PTR dwInstance, DWORD fdwSupport);
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BOOL __stdcall DriverEnumCallback(HVCMDRIVERID hadid,
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DWORD_PTR dwInstance, DWORD fdwSupport);
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#ifdef __cplusplus
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class CVcmCapability
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{
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protected:
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HACMDRIVER hAcmDriver;
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DWORD m_dwDeviceID;
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public:
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CVcmCapability();
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~CVcmCapability();
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BOOL FormatEnum(CVcmCapability *pCapObject, DWORD dwFlags);
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BOOL DriverEnum(CVcmCapability *pCapObject);
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HACMDRIVER GetDriverHandle() {return hAcmDriver;};
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virtual BOOL FormatEnumHandler(HVCMDRIVERID hadid,
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PVCMFORMATDETAILS pafd, VCMDRIVERDETAILS *padd, DWORD_PTR dwInstance);
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};
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#define SQCIF 0x1
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#define QCIF 0x2
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#define CIF 0x4
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#define UNKNOWN 0x8
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#define get_format(w,h) ((w == 128 && h == 96 ) ? SQCIF : ((w == 176 && h == 144 )? QCIF: ((w == 352 && h == 288 ) ? CIF :UNKNOWN)))
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#define NONSTD_VID_TERMCAP {H245_CAPDIR_LCLRX, H245_DATA_VIDEO,H245_CLIENT_VID_NONSTD, 0, {0}}
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#define STD_VID_TERMCAP(tc) {H245_CAPDIR_LCLRX, H245_DATA_VIDEO,(tc), 0, {0}}
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//Advertise the maximum possible rate, and assume we can do below this.
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//H.261 defines a max MPI of 4!
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#define STD_VID_PARAMS {0,0,1}
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typedef struct VideoParameters
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{
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BYTE RTPPayload; // RTP payload type
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DWORD dwFormatDescriptor; // the unique ID of this format
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UINT uSamplesPerSec; // the number of frames per second
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UINT uBitsPerSample; // the number of bits per pixel
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VIDEO_SIZES enumVideoSize; // enum. Use Small, Medium, Large
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UINT biWidth; // the frame width in pixels
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UINT biHeight; // the frame height in pixels
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}VIDEO_PARAMS;
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typedef struct VidCapDetails
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{
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DWORD dwFormatTag;
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CC_TERMCAP H245Cap;
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NSC_CHANNEL_VIDEO_PARAMETERS nonstd_params;
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VIDEO_PARAMS video_params; // this has a dependency on protocol.h
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DWORD dwPublicRefIndex; // index of the local capability entry that will be
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// advertized. Zero if this entry is the one to advertize
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BOOL bSendEnabled;
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BOOL bRecvEnabled;
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DWORD dwDefaultSamples; // default number of samples per packet
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UINT uMaxBitrate; // max bandwidth used by this format (calculated: bits per sample * sample rate)
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UINT uAvgBitrate; // average bandwidth used by this format (we get this from the codec)
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WORD wCPUUtilizationEncode;
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WORD wCPUUtilizationDecode;
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WORD wApplicationPrefOrder; // overriding preference - lower number means more preferred
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UINT uLocalDetailsSize; // size in bytes of what lpLocalFormatDetails points to
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LPVOID lpLocalFormatDetails;
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UINT uRemoteDetailsSize; // size in bytes of what lpRemoteFormatDetails points to
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LPVOID lpRemoteFormatDetails;
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char szFormat[VCMFORMATDETAILS_FORMAT_CHARS];
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} VIDCAP_DETAILS, *PVIDCAP_DETAILS;
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/*
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* VCM interface
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* Definitions for interfacing with VCM
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*/
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typedef struct
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{
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PVIDCAP_DETAILS pVidcapDetails; // a pointer to an VIDCAP_DETAILS structure
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DWORD dwFlags; // misc flags...
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PVIDEOFORMATEX pvfx; // pointer to video format structure. used when adding formats
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HRESULT hr;
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} VCM_APP_PARAM, *PVCM_APP_PARAM;
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//
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// implementation class of the Video Interface
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//
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class CImpAppVidCap : public IAppVidCap
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{
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public:
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STDMETHOD_(ULONG, AddRef());
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STDMETHOD_(ULONG, Release());
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STDMETHOD(GetNumFormats(UINT *puNumFmtOut));
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STDMETHOD(ApplyAppFormatPrefs(PBASIC_VIDCAP_INFO pFormatPrefsBuf,
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UINT uNumFormatPrefs));
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STDMETHOD(EnumFormats(PBASIC_VIDCAP_INFO pFmtBuf, UINT uBufsize,
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UINT *uNumFmtOut));
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STDMETHOD(EnumCommonFormats(PBASIC_VIDCAP_INFO pFmtBuf, UINT uBufsize,
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UINT *uNumFmtOut, BOOL bTXCaps));
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STDMETHOD( GetBasicVidcapInfo (VIDEO_FORMAT_ID Id,
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PBASIC_VIDCAP_INFO pFormatPrefsBuf));
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STDMETHOD( AddVCMFormat (PVIDEOFORMATEX lpvfx, PVIDCAP_INFO pVidCapInfo));
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STDMETHOD( RemoveVCMFormat (PVIDEOFORMATEX lpvfx));
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STDMETHOD_ (PVIDEOFORMATEX, GetVidcapDetails(THIS_ VIDEO_FORMAT_ID Id));
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STDMETHOD( GetPreferredFormatId (VIDEO_FORMAT_ID *pId));
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STDMETHOD (SetDeviceID(DWORD dwDeviceID));
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void Init(class CMsivCapability * pCapObject) {m_pCapObject = pCapObject;};
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protected:
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class CMsivCapability * m_pCapObject;
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};
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class CMsivCapability : public IH323MediaCap, public CVcmCapability
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{
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protected:
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UINT uRef;
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BOOL bPublicizeTXCaps;
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BOOL bPublicizeTSTradeoff;
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//LOOKLOOK this supports a hack to disable CPU intensive codecs if not running on a pentium
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WORD wMaxCPU;
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static MEDIA_FORMAT_ID IDsByRank[MAX_CAPS_PRESORT];
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static UINT uNumLocalFormats; // # of active entries in pLocalFormats
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static UINT uStaticRef; // global ref count
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static UINT uCapIDBase; // rebase capability ID to index into IDsByRank
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static VIDCAP_DETAILS *pLocalFormats; // cached list of formats that we can receive
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static UINT uLocalFormatCapacity; // size of pLocalFormats (in multiples of VIDCAP_DETAILS)
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PVIDCAP_DETAILS pRemoteDecodeFormats; // cached list of formats that the
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// other end can receive/decode
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UINT uNumRemoteDecodeFormats; // # of entries for remote decode capabilities
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UINT uRemoteDecodeFormatCapacity; // size of pRemoteDecodeFormats (in multiples of VIDCAP_DETAILS)
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PVCM_APP_PARAM m_pAppParam; // a pointer to a PVCM_APP_PARAM structure. Used to carry
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// a information through the enumeration process
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// but can be used for other purposes
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//
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// embedded interface classes
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//
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CImpAppVidCap m_IAppVidCap;
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protected:
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// Internal functions
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UINT IDToIndex(MEDIA_FORMAT_ID id) {return id - uCapIDBase;};
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MEDIA_FORMAT_ID IndexToId(UINT uIndex){return uIndex + uCapIDBase;};
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LPTSTR AllocRegistryKeyName(LPTSTR lpDriverName,
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UINT uSampleRate, UINT uBitsPerSample, UINT uBytesPerSec,UINT uWidth,UINT uHeight);
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VOID FreeRegistryKeyName(LPTSTR lpszKeyName);
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VOID CalculateFormatProperties(VIDCAP_DETAILS *pFmtBuf, PVIDEOFORMATEX lpvfx);
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BOOL IsFormatSpecified(PVIDEOFORMATEX lpFormat, PVCMFORMATDETAILS pvfd,
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VCMDRIVERDETAILS *pvdd, VIDCAP_DETAILS *pVidcapDetails);
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virtual VOID SortEncodeCaps(SortMode sortmode);
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virtual VIDEO_FORMAT_ID AddFormat(VIDCAP_DETAILS *pFmtBuf,LPVOID lpvMappingData, UINT uSize);
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BOOL UpdateFormatInRegistry(VIDCAP_DETAILS *pFmt);
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BOOL BuildFormatName( PVIDCAP_DETAILS pVidcapDetails,
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WCHAR *pszDriverName,
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WCHAR *pszFormatName);
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HRESULT GetFormatName(PVIDCAP_DETAILS pVidcapDetails, PVIDEOFORMATEX pvfx);
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public:
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STDMETHOD_(BOOL, Init());
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STDMETHOD_(BOOL, ReInit());
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CMsivCapability();
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~CMsivCapability();
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// handler for codec enumeration callback
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virtual BOOL FormatEnumHandler(HVCMDRIVERID hvdid,
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PVCMFORMATDETAILS pvfd, VCMDRIVERDETAILS *pvdd, DWORD_PTR dwInstance);
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//
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// Common interface methods
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//
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STDMETHODIMP QueryInterface(REFIID riid, LPVOID FAR * ppvObj);
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STDMETHOD_(ULONG, AddRef());
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STDMETHOD_(ULONG, Release());
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//
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// IVCapApi methods
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//
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STDMETHOD(GetNumFormats(UINT *puNumFmtOut));
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STDMETHOD(ApplyAppFormatPrefs(PBASIC_VIDCAP_INFO pFormatPrefsBuf,
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UINT uNumFormatPrefs));
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STDMETHOD(EnumFormats(PBASIC_VIDCAP_INFO pFmtBuf, UINT uBufsize,
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UINT *uNumFmtOut));
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STDMETHOD(EnumCommonFormats(PBASIC_VIDCAP_INFO pFmtBuf, UINT uBufsize,
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UINT *uNumFmtOut, BOOL bTXCaps));
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STDMETHOD( GetBasicVidcapInfo (VIDEO_FORMAT_ID Id,
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PBASIC_VIDCAP_INFO pFormatPrefsBuf));
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STDMETHOD( AddVCMFormat (PVIDEOFORMATEX lpvfx, PVIDCAP_INFO pVidCapInfo));
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STDMETHOD( RemoveVCMFormat (PVIDEOFORMATEX lpvfx));
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STDMETHOD( GetPreferredFormatId (VIDEO_FORMAT_ID *pId));
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STDMETHOD (SetDeviceID(DWORD dwDeviceID)) {m_dwDeviceID = dwDeviceID; return hrSuccess;};
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// support of IVCapApi methods
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virtual HRESULT CopyVidcapInfo (PVIDCAP_DETAILS pDetails, PVIDCAP_INFO pInfo,
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BOOL bDirection);
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//
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// IH323MediaCap methods
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//
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STDMETHOD_(VOID, FlushRemoteCaps());
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STDMETHOD( AddRemoteDecodeCaps(PCC_TERMCAPLIST pTermCapList));
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STDMETHOD_(VIDEO_FORMAT_ID, AddRemoteDecodeFormat(PCC_TERMCAP pCCThisCap));
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// Get local and remote channel parameters for a specific encode capability
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STDMETHOD( GetEncodeParams(LPVOID pBufOut, UINT uBufSize, LPVOID pLocalParams,
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UINT uLocalSize,MEDIA_FORMAT_ID idRemote,MEDIA_FORMAT_ID idLocal));
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STDMETHOD( GetPublicDecodeParams(LPVOID pBufOut, UINT uBufSize, VIDEO_FORMAT_ID id));
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STDMETHOD( GetDecodeParams(PCC_RX_CHANNEL_REQUEST_CALLBACK_PARAMS pChannelParams,
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VIDEO_FORMAT_ID * pFormatID, LPVOID lpvBuf, UINT uBufSize));
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STDMETHOD_(UINT, GetNumCaps()){return uNumLocalFormats;};
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STDMETHOD_(UINT, GetNumCaps(BOOL bRXCaps));
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STDMETHOD_(BOOL, IsHostForCapID(MEDIA_FORMAT_ID CapID));
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STDMETHOD_(BOOL, IsCapabilityRecognized(PCC_TERMCAP pCCThisCap));
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STDMETHOD(SetCapIDBase(UINT uNewBase));
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STDMETHOD_(UINT, GetCapIDBase()) {return uCapIDBase;};
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STDMETHOD (IsFormatEnabled (MEDIA_FORMAT_ID FormatID, PBOOL bRecv, PBOOL bSend));
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STDMETHOD_(BOOL, IsFormatPublic(MEDIA_FORMAT_ID FormatID));
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STDMETHOD_(MEDIA_FORMAT_ID, GetPublicID(MEDIA_FORMAT_ID FormatID));
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STDMETHOD_ (VOID, EnableTXCaps(BOOL bSetting)) {bPublicizeTXCaps = bSetting;};
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STDMETHOD_ (VOID, EnableRemoteTSTradeoff(BOOL bSetting)) {bPublicizeTSTradeoff= bSetting;};
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STDMETHOD (SetAudioPacketDuration( UINT durationInMs));
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STDMETHOD (ResolveToLocalFormat(MEDIA_FORMAT_ID FormatIDLocal,
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MEDIA_FORMAT_ID * pFormatIDRemote));
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STDMETHOD_(UINT, GetLocalSendParamSize(MEDIA_FORMAT_ID dwID));
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STDMETHOD_(UINT, GetLocalRecvParamSize(PCC_TERMCAP pCapability));
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STDMETHOD( CreateCapList(LPVOID *ppCapBuf));
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STDMETHOD( DeleteCapList(LPVOID pCapBuf));
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STDMETHOD( ResolveEncodeFormat(VIDEO_FORMAT_ID *pIDVidEncodeOut,VIDEO_FORMAT_ID * pIDVidRemoteDecode));
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// methods provided to the Data pump, common to H.323 and MSICCP
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STDMETHOD(GetDecodeFormatDetails(MEDIA_FORMAT_ID FormatID, VOID **ppFormat, UINT *puSize));
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STDMETHOD(GetEncodeFormatDetails(MEDIA_FORMAT_ID FormatID, VOID **ppFormat, UINT *puSize));
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};
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#endif // __cplusplus
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#include <poppack.h>
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#endif //#ifndef _VCMCAPS_H
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