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#ifndef AVIFILE_COM_H
#define AVIFILE_COM_H
#include <inttypes.h>
/**
* Internal functions and structures for COM emulation code.
*/
#ifndef WIN32
#ifdef __cplusplus
extern "C" {
#endif
void* CoTaskMemAlloc(unsigned long cb);
void CoTaskMemFree(void* cb);
#ifndef GUID_TYPE
#define GUID_TYPE
typedef struct
{
uint32_t f1;
uint16_t f2;
uint16_t f3;
uint8_t f4[8];
} GUID;
#endif
extern GUID IID_IUnknown;
extern GUID IID_IClassFactory;
typedef long (*GETCLASSOBJECT) (GUID* clsid, GUID* iid, void** ppv);
int RegisterComClass(GUID* clsid, GETCLASSOBJECT gcs);
int UnregisterComClass(GUID* clsid, GETCLASSOBJECT gcs);
#ifndef STDCALL
#define STDCALL __attribute__((__stdcall__))
#endif
struct IUnknown;
struct IClassFactory;
struct IUnknown_vt
{
long STDCALL (*QueryInterface)(struct IUnknown* _this, GUID* iid, void** ppv);
long STDCALL (*AddRef)(struct IUnknown* _this) ;
long STDCALL (*Release)(struct IUnknown* _this) ;
} ;
struct IUnknown
{
struct IUnknown_vt* vt;
};
struct IClassFactory_vt
{
long STDCALL (*QueryInterface)(struct IUnknown* _this, 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, GUID* riid, void** ppvObject);
};
struct IClassFactory
{
struct IClassFactory_vt* vt;
};
long CoCreateInstance(GUID* rclsid, struct IUnknown* pUnkOuter,
long dwClsContext, GUID* riid, void** ppv);
#ifdef __cplusplus
};
#endif /* __cplusplus */
#endif /* WIN32 */
#endif /* AVIFILE_COM_H */
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