/*
 -  CODECS.H
 -
 *	Microsoft NetMeeting
 *	Installable codecs
 *	Header file
 *
 *  @doc  EXTERNAL
 *
 *	@topic NetMeeting Installable Codecs Programmer's Reference | NetMeeting supports
 *		adding arbitrary audio and video codec formats for use with NetMeeting, 
 *		as well as enumerating, prioritizing or removing these formats.
 *
 */

#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 */