mpv/loader/com.h

97 lines
2.2 KiB
C

/*
* Modified for use with MPlayer, detailed changelog at
* http://svn.mplayerhq.hu/mplayer/trunk/
* $Id$
*/
#ifndef AVIFILE_COM_H
#define AVIFILE_COM_H
#include "config.h"
#ifdef HAVE_STDINT_H
#include <stdint.h>
#else
#include <inttypes.h>
#endif
/**
* Internal functions and structures for COM emulation code.
*/
#if !defined(WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
#ifdef __cplusplus
extern "C" {
#endif
#ifndef GUID_TYPE
#define GUID_TYPE
typedef struct
{
uint32_t f1;
uint16_t f2;
uint16_t f3;
uint8_t f4[8];
} GUID;
#endif
extern const GUID IID_IUnknown;
extern const GUID IID_IClassFactory;
typedef long (*GETCLASSOBJECT) (GUID* clsid, const GUID* iid, void** ppv);
int RegisterComClass(const GUID* clsid, GETCLASSOBJECT gcs);
int UnregisterComClass(const GUID* clsid, GETCLASSOBJECT gcs);
#ifndef STDCALL
#define STDCALL __attribute__((__stdcall__))
#endif
struct IUnknown;
struct IClassFactory;
struct IUnknown_vt
{
long STDCALL (*QueryInterface)(struct IUnknown* _this, const GUID* iid, void** ppv);
long STDCALL (*AddRef)(struct IUnknown* _this) ;
long STDCALL (*Release)(struct IUnknown* _this) ;
} ;
typedef struct IUnknown
{
struct IUnknown_vt* vt;
} IUnknown;
struct IClassFactory_vt
{
long STDCALL (*QueryInterface)(struct IUnknown* _this, const GUID* iid, void** ppv);
long STDCALL (*AddRef)(struct IUnknown* _this) ;
long STDCALL (*Release)(struct IUnknown* _this) ;
long STDCALL (*CreateInstance)(struct IClassFactory* _this, struct IUnknown* pUnkOuter, const GUID* riid, void** ppvObject);
};
struct IClassFactory
{
struct IClassFactory_vt* vt;
};
#if !defined(__MINGW32__)
//need proper ifdef to check Co* functions availability
long CoCreateInstance(GUID* rclsid, struct IUnknown* pUnkOuter,
long dwClsContext, const GUID* riid, void** ppv);
void* CoTaskMemAlloc(unsigned long cb);
void CoTaskMemFree(void* cb);
#else
long STDCALL CoCreateInstance(GUID* rclsid, struct IUnknown* pUnkOuter,
long dwClsContext, const GUID* riid, void** ppv);
void* STDCALL CoTaskMemAlloc(unsigned long);
void STDCALL CoTaskMemFree(void*);
#endif
#ifdef __cplusplus
};
#endif /* __cplusplus */
#endif /* WIN32 */
#endif /* AVIFILE_COM_H */