hxformt.h

linux下的一款播放器

     *	Purpose:
     *	    Returns TRUE if this stream requires the latest packet to be
     *	    resent periodically in a live presentation.
     */
    STDMETHOD_(BOOL,IsLiveResendRequired)   (THIS_
					    UINT16 unStreamNumber) PURE;

    /************************************************************************
     *	Method:
     *	    IHXLiveFileFormatInfo::GetResendBitrate
     *	Purpose:
     *	    If periodic live resends are required for this stream, this
     *	    method returns the rate at which we should resend packets. The 
     *	    resend rate is measured in bits per second.
     */
    STDMETHOD(GetResendBitrate)		    (THIS_
					    UINT16 unStreamNumber,
					    REF(UINT32) ulBitrate) PURE;

    /************************************************************************
     *	Method:
     *	    IHXLiveFileFormatInfo::GetResendDuration
     *	Purpose:
     *	    If periodic live resends are required for this stream, this
     *	    method returns the number of milliseconds for which this packet 
     *	    should be resent.
     */
    STDMETHOD(GetResendDuration)	    (THIS_
					    IHXPacket* pPacket,
					    REF(UINT32) ulDuration) PURE;

    /************************************************************************
     *	Method:
     *	    IHXLiveFileFormatInfo::FormResendPacket
     *	Purpose:
     *	    Forms a live resend packet based upon the original packet passed
     *	    as the first parameter. This allows the file format plugin to
     *	    make resend packets distinguishable from original packets.
     */
    STDMETHOD(FormResendPacket)		(THIS_
					IHXPacket* pOriginalPacket,
					REF(IHXPacket*) pResendPacket) PURE;
};

/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXSyncFileFormatObject
 * 
 *  Purpose:
 * 
 *	Simple syncronized file format interface
 * 
 *  IID_IHXSyncFileFormatObject:
 * 
 *	{00000F0C-0901-11d1-8B06-00A024406D59}
 * 
 */
DEFINE_GUID(IID_IHXSyncFileFormatObject, 0x00000F0C, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
			0xa0, 0x24, 0x40, 0x6d, 0x59);

#define CLSID_IHXSyncFileFormatObject IID_IHXSyncFileFormatObject

#undef  INTERFACE
#define INTERFACE   IHXSyncFileFormatObject

DECLARE_INTERFACE_(IHXSyncFileFormatObject, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)		(THIS) PURE;

    STDMETHOD_(ULONG32,Release)		(THIS) PURE;

    /*
     *	IHXSyncFileFormatObject methods
     */

    STDMETHOD(GetFileFormatInfo)	(THIS_
					REF(const char**) /*OUT*/ pFileMimeTypes,
					REF(const char**) /*OUT*/ pFileExtensions,
					REF(const char**) /*OUT*/ pFileOpenNames
					) PURE;

    STDMETHOD(InitFileFormat)	
					(THIS_
					IHXRequest* /*IN*/ pRequest) PURE;

    STDMETHOD(GetFileHeader)		(THIS_ 
					REF(IHXValues*) /*OUT*/ pHeader) PURE;

    STDMETHOD(GetStreamHeader)		(THIS_ 
					REF(IHXValues*) /*OUT*/ pStreamHeader,
					UINT16	         /*IN*/  unStreamNumber) PURE;

    STDMETHOD(GetPacket)		(THIS_ 
					REF(IHXPacket*) /*OUT*/ pPacket) PURE;

    STDMETHOD(Seek)			(THIS_
					ULONG32 /*IN*/ ulSeekTime) PURE;
    
    STDMETHOD(Close)			(THIS) PURE;
};

// $Private:
/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXBroadcastLatency
 * 
 *  Purpose:
 * 
 *	Provides information on latency requirements of broadcast streams.
 *	Optionally implemented by the broadcast format objec.
 * 
 *  IID_IHXBroadcastLatency:
 * 
 *	{00000F08-0901-11d1-8B06-00A024406D59}
 * 
 */
DEFINE_GUID(IID_IHXBroadcastLatency, 0x00000F08, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
			0xa0, 0x24, 0x40, 0x6d, 0x59);

#undef  INTERFACE
#define INTERFACE   IHXBroadcastLatency

DECLARE_INTERFACE_(IHXBroadcastLatency, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)		(THIS) PURE;

    STDMETHOD_(ULONG32,Release)		(THIS) PURE;

    /*
     *	IHXBroadcastLatency methods
     */

    /************************************************************************
     *	Method:
     *	    IHXBroadcastLatency::GetLatencyRequirements
     *	Purpose:
     *	    Get latency reqruirements from broadcast format object.
     *
     *	    ulBackOff: the amount of time in mS that packet flow from
     *      the broadcast format object should backoff when no data is available.
     *
     *	    bUsePreBuffer: TRUE means that there will be some realtime latency
     *      between the packets sent to clients at time now, and the live packets
     *      that are available at time now. FALSE means there will be no realtime 
     *      latency.
     */
    STDMETHOD(GetLatencyRequirements)	    (THIS_
					    REF(UINT32) ulBackoff,
					    REF(BOOL)   bUsePreBuffer) PURE;
};

/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXPayloadFormatObject
 * 
 *  Purpose:
 * 
 *	Object that knows how to properly convert data into a particular
 *	payload format
 * 
 *  IID_IHXPayloadFormatObject:
 * 
 *	{00000F07-0901-11d1-8B06-00A024406D59}
 * 
 */
DEFINE_GUID(IID_IHXPayloadFormatObject, 0x00000F07, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
			0xa0, 0x24, 0x40, 0x6d, 0x59);

#undef  INTERFACE
#define INTERFACE   IHXPayloadFormatObject

DECLARE_INTERFACE_(IHXPayloadFormatObject, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)		(THIS) PURE;

    STDMETHOD_(ULONG32,Release)		(THIS) PURE;

    /*
     *	IHXPayloadFormatObject methods
     */
    STDMETHOD(Init)		(THIS_
				IUnknown* pContext,
				BOOL bPacketize) PURE;

    STDMETHOD(Close)		(THIS) PURE;

    STDMETHOD(Reset)		(THIS) PURE;

    STDMETHOD(SetStreamHeader)	(THIS_
				IHXValues* pHeader) PURE;

    STDMETHOD(GetStreamHeader)	(THIS_
				REF(IHXValues*) pHeader) PURE;

    STDMETHOD(SetPacket)	(THIS_
				IHXPacket* pPacket) PURE;

    STDMETHOD(GetPacket)	(THIS_
				REF(IHXPacket*) pPacket) PURE;

    STDMETHOD(Flush)		(THIS) PURE;
};
// $EndPrivate.

// $Private:
/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXBlockFormatObject
 * 
 *  Purpose:
 * 
 *	Object that knows how to properly convert data into a particular
 *	payload format
 * 
 *  IID_IHXBlockFormatObject:
 * 
 *	{00000F08-0901-11d1-8B06-00A024406D59}
 * 
 */
DEFINE_GUID(IID_IHXBlockFormatObject, 0x00000F09, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
			0xa0, 0x24, 0x40, 0x6d, 0x59);

#undef  INTERFACE
#define INTERFACE   IHXBlockFormatObject

DECLARE_INTERFACE_(IHXBlockFormatObject, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)		(THIS) PURE;

    STDMETHOD_(ULONG32,Release)		(THIS) PURE;

    /*
     *	IHXBlockFormatObject methods
     */
    STDMETHOD(SetByteRange)	(THIS_
                                UINT64    ulFrom,
                                UINT64    ulTo) PURE;
};

typedef enum _HX_CLIENT_MESSAGE_TYPE
{
    CM_RTSP_UNKNOWN,
    CM_RTSP_OPTIONS,
    CM_RTSP_DESCRIBE,
    CM_RTSP_ANNOUNCE,
    CM_RTSP_SETUP,
    CM_RTSP_PLAY,
    CM_RTSP_PAUSE,
    CM_RTSP_TEARDOWN,
    CM_RTSP_GET_PARAMETER,
    CM_RTSP_SET_PARAMETER,
    CM_RTSP_REDIRECT,
    CM_RTSP_RECORD
} HX_CLIENT_MESSAGE_TYPE;

/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXFileFormatHeaderAdvise
 * 
 *  Purpose:
 * 
 *	File format wants notification when headers arrive from client.
 * 
 *  IID_IHXFileFormatHeaderAdvise:
 * 
 *	{00000F0A-0901-11d1-8B06-00A024406D59}
 * 
 */
DEFINE_GUID(IID_IHXFileFormatHeaderAdvise, 0x00000F0A, 0x901, 0x11d1, 0x8b, 0x6, 0x0, 
			0xa0, 0x24, 0x40, 0x6d, 0x59);

#undef  INTERFACE
#define INTERFACE   IHXFileFormatHeaderAdvise

DECLARE_INTERFACE_(IHXFileFormatHeaderAdvise, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)		(THIS) PURE;

    STDMETHOD_(ULONG32,Release)		(THIS) PURE;

    /*
     *	IHXFileFormatHeaderAdvise methods
     *
     *  Only implemented for SETUP, other messages may be added later.
     */
    STDMETHOD(OnHeaders)	(THIS_
				 HX_CLIENT_MESSAGE_TYPE pMessageType,
				 IHXValues* pRequestHeaders,
				 IHXFileFormatHeaderAdviseResponse* pResp
				) PURE;
};

/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXFileFormatHeaderAdviseResponse
 * 
 *  Purpose:
 * 
 *	Response for RTSP header advise.
 * 
 *  IID_IHXFileFormatHeaderAdviseResponse:
 * 
 *	{00000F0B-0901-11d1-8B06-00A024406D59}
 * 
 */
DEFINE_GUID(IID_IHXFileFormatHeaderAdviseResponse, 0x00000F0B, 0x901, 0x11d1, 
	    0x8b, 0x6, 0x0, 0xa0, 0x24, 0x40, 0x6d, 0x59);

#undef  INTERFACE
#define INTERFACE   IHXFileFormatHeaderAdviseResponse

DECLARE_INTERFACE_(IHXFileFormatHeaderAdviseResponse, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj) PURE;

    STDMETHOD_(ULONG32,AddRef)		(THIS) PURE;

    STDMETHOD_(ULONG32,Release)		(THIS) PURE;

    /*
     *	IHXFileFormatHeaderAdviseResponse methods
     *
     *  If file format returns error in status, server will disconnect 
     *  from client.  Optional RTSP error code will be returned to client, 
     *  if non-zero; else 461 will be used.
     */
    STDMETHOD(OnHeadersDone)	(THIS_
				 HX_RESULT status,
				 UINT32 ulErrNo) PURE;
};

typedef enum _HX_PLAY_PARAM
{
    HX_PLAYPARAM_SCALE	 // cast ulValues to FIXED32 and use macro
} HX_PLAY_PARAM;

/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXSetPlayParam
 * 
 *  Purpose:
 *	
 *	
 * 
 *  IID_IHXSetPlayParam:
 * 
 *      {0x503c212c-413f-478b-9fc8daa7b145b8a9}
 * 
 */
DEFINE_GUID(IID_IHXSetPlayParam,	    
    0x503c212c, 0x413f, 0x478b, 0x9f, 0xc8, 0xda, 0xa7, 0xb1, 0x45, 0xb8, 0xa9);

#undef  INTERFACE
#define INTERFACE   IHXSetPlayParam

DECLARE_INTERFACE_(IHXSetPlayParam, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj) PURE;
    STDMETHOD_(ULONG32,AddRef)		(THIS) PURE;
    STDMETHOD_(ULONG32,Release)		(THIS) PURE;

    /*
     *	IHXSetPlayParam methods
     */
    STDMETHOD(SetParam)			(THIS_ 
					HX_PLAY_PARAM param,
		    			UINT32 ulValue,
		    			IHXSetPlayParamResponse* pResp) PURE;
};

/****************************************************************************
 * 
 *  Interface:
 * 
 *	IHXSetPlayParamResponse
 * 
 *  Purpose:
 * 
 *	    
 * 
 *  IID_IHXSetPlayParamResponse:
 * 
 *      {0x750008af-5588-4838-85faaa203a32c799}
 * 
 */
DEFINE_GUID(IID_IHXSetPlayParamResponse,   
    0x750008af, 0x5588, 0x4838, 0x85, 0xfa, 0xaa, 0x20, 0x3a, 0x32, 0xc7, 0x99);

#undef  INTERFACE
#define INTERFACE   IHXSetPlayParamResponse

DECLARE_INTERFACE_(IHXSetPlayParamResponse, IUnknown)
{
    /*
     *	IUnknown methods
     */
    STDMETHOD(QueryInterface)		(THIS_
					REFIID riid,
					void** ppvObj) PURE;
    STDMETHOD_(ULONG32,AddRef)		(THIS) PURE;
    STDMETHOD_(ULONG32,Release)		(THIS) PURE;

    /*
     *	IHXSetPlayParamResponse methods
     */
    STDMETHOD(SetParamDone)		(THIS_ 
					HX_RESULT status,
					HX_PLAY_PARAM param,					
		    			UINT32 ulValue) PURE;
};

/****************************************************************************
 * 
 *  Interface:
 * 
 *     IHXSeekByPacket
 * 
 *  Purpose:
 *     
 *     
 * 
 *  IID_IHXSeekByPacket:
 * 
 *      {0x171c3c4e-c4ea-46fd-b47b-c3b82dbb9517}
 * 
 */
DEFINE_GUID(IID_IHXSeekByPacket,          
    0x171c3c4e, 0xc4ea, 0x46fd, 0xb4, 0x7b, 0xc3, 0xb8, 0x2d, 0xbb, 0x95, 0x17);

#undef  INTERFACE
#define INTERFACE   IHXSeekByPacket

DECLARE_INTERFACE_(IHXSeekByPacket, IUnknown)
{
    /*
     * IUnknown methods
     */
    STDMETHOD(QueryInterface)          (THIS_
                                       REFIID riid,
                                       void** ppvObj) PURE;
    STDMETHOD_(ULONG32,AddRef)         (THIS) PURE;
    STDMETHOD_(ULONG32,Release)                (THIS) PURE;

    /*
     * IHXSeekByPacket methods
     */
    STDMETHOD(SeekToPacket)            (THIS_ 
                                       UINT32 ulPacketNumber,
                                       IHXSeekByPacketResponse* pResp) PURE;
};

/****************************************************************************
 * 
 *  Interface:
 * 
 *     IHXSeekByPacketResponse
 * 
 *  Purpose:
 * 
 *         
 * 
 *  IID_IHXSeekByPacketResponse:
 * 
 *      {0xe978476d-6c99-4dc6-9279-7525c693dc34}
 * 
 */
DEFINE_GUID(IID_IIHXSeekByPacketResponse,   
    0xe978476d, 0x6c99, 0x4dc6, 0x92, 0x79, 0x75, 0x25, 0xc6, 0x93, 0xdc, 0x34);

#undef  INTERFACE
#define INTERFACE   IHXSeekByPacketResponse

DECLARE_INTERFACE_(IHXSeekByPacketResponse, IUnknown)
{
    /*
     * IUnknown methods
     */
    STDMETHOD(QueryInterface)          (THIS_
                                       REFIID riid,
                                       void** ppvObj) PURE;
    STDMETHOD_(ULONG32,AddRef)         (THIS) PURE;
    STDMETHOD_(ULONG32,Release)                (THIS) PURE;

    /*
     * IHXSeekByPacketResponse methods
     */
    STDMETHOD(SeekToPacketDone)                (THIS_ 
                                       HX_RESULT status,
                                       UINT32 ulStartingTimestamp) PURE;
 };
// $EndPrivate.

#endif  /* _HXFORMT_H_ */