Sweden-Number/dlls/mfplat/mfplat_private.h

76 lines
2.1 KiB
C

/*
* Copyright 2019 Nikolay Sivov for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#undef INITGUID
#include <guiddef.h>
#include "mfapi.h"
#include "mfidl.h"
#include "mferror.h"
#include "wine/heap.h"
struct attribute
{
GUID key;
PROPVARIANT value;
};
typedef struct attributes
{
IMFAttributes IMFAttributes_iface;
LONG ref;
CRITICAL_SECTION cs;
struct attribute *attributes;
size_t capacity;
size_t count;
} mfattributes;
extern HRESULT init_attributes_object(struct attributes *object, UINT32 size) DECLSPEC_HIDDEN;
extern void clear_attributes_object(struct attributes *object) DECLSPEC_HIDDEN;
extern void init_system_queues(void) DECLSPEC_HIDDEN;
extern void shutdown_system_queues(void) DECLSPEC_HIDDEN;
extern BOOL is_platform_locked(void) DECLSPEC_HIDDEN;
static inline BOOL mf_array_reserve(void **elements, size_t *capacity, size_t count, size_t size)
{
size_t new_capacity, max_capacity;
void *new_elements;
if (count <= *capacity)
return TRUE;
max_capacity = ~(SIZE_T)0 / size;
if (count > max_capacity)
return FALSE;
new_capacity = max(4, *capacity);
while (new_capacity < count && new_capacity <= max_capacity / 2)
new_capacity *= 2;
if (new_capacity < count)
new_capacity = max_capacity;
if (!(new_elements = heap_realloc(*elements, new_capacity * size)))
return FALSE;
*elements = new_elements;
*capacity = new_capacity;
return TRUE;
}