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Codecs.h：源码内容
							//****************************************************************************
//  File: CODECS.H
//  Content:    
//              
//
//  Copyright (c) Microsoft Corporation 1999
//      All Rights Reserved
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF 
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A 
// PARTICULAR PURPOSE.
//****************************************************************************
#include <pshpack8.h> /* Assume 8 byte packing throughout */
#include "appavcap.h"
/*
 *	Constants
 */
// hresult codes, facility IC = 0x301
#define IC_E_CAPS_INSTANTIATION_FAILURE		0x83010001	// could not instantiate a required caps object
#define IC_E_CAPS_INITIALIZATION_FAILURE	0x83010002	// could not initialize a required bject
#define IC_E_NO_FORMATS						0x83010003	// no formats available
#define IC_E_NO_SUCH_FORMAT					0x83010005	// no matching AC</VCM format was found
#define IC_E_INTERNAL_ERROR					0x83010006	// the Network Audio/Video Controller
														// reported a system error
/*
 *	Macros
 */
/*
 *	Data Structures
 */
/*
 *	Functions
 */
/*
 *	Interfaces
 */
#ifndef DECLARE_INTERFACE_PTR
#ifdef __cplusplus
#define DECLARE_INTERFACE_PTR(iface, piface)                       
	interface iface; typedef iface FAR * piface
#else
#define DECLARE_INTERFACE_PTR(iface, piface)                       
	typedef interface iface iface, FAR * piface
#endif
#endif /* DECLARE_INTERFACE_PTR */
#define IUNKNOWN_METHODS(IPURE)										
    STDMETHOD (QueryInterface)                                      
        (THIS_ REFIID riid, LPVOID FAR * ppvObj) IPURE;				
    STDMETHOD_(ULONG,AddRef)  (THIS) IPURE;							
    STDMETHOD_(ULONG,Release) (THIS) IPURE;							
#define IINSTALLAUDIOCODECS_METHODS(IPURE)							
	STDMETHOD(AddACMFormat)											
		(THIS_ LPWAVEFORMATEX lpwfx, PAUDCAP_INFO pAudCapInfo) IPURE;	
	STDMETHOD (RemoveACMFormat)										
		(THIS_ LPWAVEFORMATEX lpwfx) IPURE;	
	STDMETHOD (ReorderFormats)										
		(THIS_ PAUDCAP_INFO_LIST pAudCapInfoList) IPURE;			
	STDMETHOD (EnumFormats)											
		(THIS_ PAUDCAP_INFO_LIST *ppAudCapInfoList) IPURE;	
	STDMETHOD (FreeBuffer) (THIS_ LPVOID lpBuffer) IPURE;			
#define IINSTALLVIDEOCODECS_METHODS(IPURE)							
	STDMETHOD(AddVCMFormat)											
		(THIS_ PVIDCAP_INFO pVidCapInfo) IPURE;	
	STDMETHOD (RemoveVCMFormat)										
		(THIS_ PVIDCAP_INFO pVidCapInfo) IPURE;	
	STDMETHOD (ReorderFormats)										
		(THIS_ PVIDCAP_INFO_LIST pVidCapInfoList) IPURE;			
	STDMETHOD (EnumFormats)											
		(THIS_ PVIDCAP_INFO_LIST *ppVidCapInfoList) IPURE;	
	STDMETHOD (FreeBuffer) (THIS_ LPVOID lpBuffer) IPURE;			
// IInstallAudioCodecs
#undef       INTERFACE
#define      INTERFACE  IInstallAudioCodecs
DECLARE_INTERFACE_(IInstallAudioCodecs, IUnknown)
{
    IUNKNOWN_METHODS(PURE)
	IINSTALLAUDIOCODECS_METHODS(PURE)
};
DECLARE_INTERFACE_PTR(IInstallAudioCodecs, LPINSTALLAUDIOCODECS);
// IInstallVideooCodecs
#undef       INTERFACE
#define      INTERFACE  IInstallVideoCodecs
DECLARE_INTERFACE_(IInstallVideoCodecs, IUnknown)
{
    IUNKNOWN_METHODS(PURE)
	IINSTALLVIDEOCODECS_METHODS(PURE)
};
DECLARE_INTERFACE_PTR(IInstallVideoCodecs, LPINSTALLVIDEOCODECS);
// IInstallAudioCodecs
#undef       INTERFACE
#define      INTERFACE  IInstallCodecs
DECLARE_INTERFACE_(IInstallCodecs, IUnknown)
{
    IUNKNOWN_METHODS(PURE)
};
DECLARE_INTERFACE_PTR(IInstallCodecs, LPINSTALLCODECS);
EXTERN_C HRESULT WINAPI CreateInstallCodecs (
								IUnknown *punkOuter,
								REFIID riid,
								void **ppv);
typedef HRESULT (WINAPI *PFNCREATEINSTALLCODECS)
				(IUnknown *punkOuter, REFIID riid, void **ppv);
// {8ED14CC0-7A1F-11d0-92F6-00A0C922E6B2}
DEFINE_GUID(CLSID_InstallCodecs, 0x8ed14cc0, 0x7a1f, 0x11d0, 0x92, 0xf6, 0x0, 0xa0, 0xc9, 0x22, 0xe6, 0xb2);
// {8ED14CC1-7A1F-11d0-92F6-00A0C922E6B2}
DEFINE_GUID(IID_IInstallCodecs, 0x8ed14cc1, 0x7a1f, 0x11d0, 0x92, 0xf6, 0x0, 0xa0, 0xc9, 0x22, 0xe6, 0xb2);
// {8ED14CC2-7A1F-11d0-92F6-00A0C922E6B2}
DEFINE_GUID(IID_IInstallAudioCodecs, 0x8ed14cc2, 0x7a1f, 0x11d0, 0x92, 0xf6, 0x0, 0xa0, 0xc9, 0x22, 0xe6, 0xb2);
// {8ED14CC3-7A1F-11d0-92F6-00A0C922E6B2}
DEFINE_GUID(IID_IInstallVideoCodecs, 0x8ed14cc3, 0x7a1f, 0x11d0, 0x92, 0xf6, 0x0, 0xa0, 0xc9, 0x22, 0xe6, 0xb2);
#include <poppack.h> /* End byte packing */

						