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mfplat: Implement MFTEnum. 

Signed-off-by: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
oldstable
Michael Müller 2017-05-08 22:50:50 +00:00 committed by Alexandre Julliard
parent 4615f4db3a
commit 0e93b08f6e
4 changed files with 188 additions and 2 deletions
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2
dlls/mfplat/Makefile.in
View File

@ -1,5 +1,5 @@
MODULE = mfplat.dll
IMPORTS = advapi32
IMPORTS = advapi32 ole32
C_SRCS = \
main.c

183
dlls/mfplat/main.c
View File

@ -18,6 +18,7 @@
*/
#include <stdarg.h>
#include <string.h>
#define COBJMACROS
@ -49,6 +50,17 @@ static const WCHAR szGUIDFmt[] =
'x','%','0','2','x','%','0','2','x','%','0','2','x',0
};
static const BYTE guid_conv_table[256] =
{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x10 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x20 */
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0, /* 0x30 */
0, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x40 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x50 */
0, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf /* 0x60 */
};
static WCHAR* GUIDToString(WCHAR *str, REFGUID guid)
{
sprintfW(str, szGUIDFmt, guid->Data1, guid->Data2,
@ -59,6 +71,60 @@ static WCHAR* GUIDToString(WCHAR *str, REFGUID guid)
return str;
}
static inline BOOL is_valid_hex(WCHAR c)
{
if (!(((c >= '0') && (c <= '9')) ||
((c >= 'a') && (c <= 'f')) ||
((c >= 'A') && (c <= 'F'))))
return FALSE;
return TRUE;
}
static BOOL GUIDFromString(LPCWSTR s, GUID *id)
{
int i;
/* in form XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX */
id->Data1 = 0;
for (i = 0; i < 8; i++)
{
if (!is_valid_hex(s[i])) return FALSE;
id->Data1 = (id->Data1 << 4) | guid_conv_table[s[i]];
}
if (s[8]!='-') return FALSE;
id->Data2 = 0;
for (i = 9; i < 13; i++)
{
if (!is_valid_hex(s[i])) return FALSE;
id->Data2 = (id->Data2 << 4) | guid_conv_table[s[i]];
}
if (s[13]!='-') return FALSE;
id->Data3 = 0;
for (i = 14; i < 18; i++)
{
if (!is_valid_hex(s[i])) return FALSE;
id->Data3 = (id->Data3 << 4) | guid_conv_table[s[i]];
}
if (s[18]!='-') return FALSE;
for (i = 19; i < 36; i+=2)
{
if (i == 23)
{
if (s[i]!='-') return FALSE;
i++;
}
if (!is_valid_hex(s[i]) || !is_valid_hex(s[i+1])) return FALSE;
id->Data4[(i-19)/2] = guid_conv_table[s[i]] << 4 | guid_conv_table[s[i+1]];
}
if (!s[37]) return TRUE;
return FALSE;
}
BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
{
switch (reason)
@ -163,6 +229,123 @@ HRESULT WINAPI MFTRegister(CLSID clsid, GUID category, LPWSTR name, UINT32 flags
return hr;
}
static BOOL match_type(const WCHAR *clsid_str, const WCHAR *type_str, MFT_REGISTER_TYPE_INFO *type)
{
HKEY htransform, hfilter;
DWORD reg_type, size;
LONG ret = FALSE;
MFT_REGISTER_TYPE_INFO *info = NULL;
int i;
if (RegOpenKeyW(HKEY_CLASSES_ROOT, transform_keyW, &htransform))
return FALSE;
if (RegOpenKeyW(htransform, clsid_str, &hfilter))
{
RegCloseKey(htransform);
return FALSE;
}
if (RegQueryValueExW(hfilter, type_str, NULL, &reg_type, NULL, &size) != ERROR_SUCCESS)
goto out;
if (reg_type != REG_BINARY)
goto out;
if (!size || size % (sizeof(MFT_REGISTER_TYPE_INFO)) != 0)
goto out;
info = HeapAlloc(GetProcessHeap(), 0, size);
if (!info)
goto out;
if (RegQueryValueExW(hfilter, type_str, NULL, &reg_type, (LPBYTE)info, &size) != ERROR_SUCCESS)
goto out;
for (i = 0; i < size / sizeof(MFT_REGISTER_TYPE_INFO) + 1; i++)
{
if (IsEqualGUID(&info[i].guidMajorType, &type->guidMajorType) &&
IsEqualGUID(&info[i].guidSubtype, &type->guidSubtype))
{
ret = TRUE;
break;
}
}
out:
HeapFree(GetProcessHeap(), 0, info);
RegCloseKey(hfilter);
RegCloseKey(htransform);
return ret;
}
/***********************************************************************
* MFTEnum (mfplat.@)
*/
HRESULT WINAPI MFTEnum(GUID category, UINT32 flags, MFT_REGISTER_TYPE_INFO *input_type,
MFT_REGISTER_TYPE_INFO *output_type, IMFAttributes *attributes,
CLSID **pclsids, UINT32 *pcount)
{
WCHAR buffer[64], clsid_str[MAX_PATH] = {0};
HKEY hcategory, hlist;
DWORD index = 0;
DWORD size = MAX_PATH;
CLSID *clsids = NULL;
UINT32 count = 0;
LONG ret;
TRACE("(%s, %x, %p, %p, %p, %p, %p)\n", debugstr_guid(&category), flags, input_type,
output_type, attributes, pclsids, pcount);
if (!pclsids || !pcount)
return E_INVALIDARG;
if (RegOpenKeyW(HKEY_CLASSES_ROOT, categories_keyW, &hcategory))
return E_FAIL;
GUIDToString(buffer, &category);
ret = RegOpenKeyW(hcategory, buffer, &hlist);
RegCloseKey(hcategory);
if (ret) return E_FAIL;
while (RegEnumKeyExW(hlist, index, clsid_str, &size, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
{
GUID clsid;
void *tmp;
if (!GUIDFromString(clsid_str, &clsid))
goto next;
if (output_type && !match_type(clsid_str, outputtypesW, output_type))
goto next;
if (input_type && !match_type(clsid_str, inputtypesW, input_type))
goto next;
tmp = CoTaskMemRealloc(clsids, (count + 1) * sizeof(GUID));
if (!tmp)
{
CoTaskMemFree(clsids);
RegCloseKey(hlist);
return E_OUTOFMEMORY;
}
clsids = tmp;
clsids[count++] = clsid;
next:
size = MAX_PATH;
index++;
}
*pclsids = clsids;
*pcount = count;
RegCloseKey(hlist);
return S_OK;
}
/***********************************************************************
* MFTUnregister (mfplat.@)
*/

2
dlls/mfplat/mfplat.spec
View File

@ -134,7 +134,7 @@
@ stdcall MFShutdown()
@ stdcall MFStartup(long long)
@ stub MFStreamDescriptorProtectMediaType
@ stub MFTEnum
@ stdcall MFTEnum(int128 long ptr ptr ptr ptr ptr)
@ stub MFTEnumEx
@ stub MFTGetInfo
@ stdcall MFTRegister(int128 int128 wstr long long ptr long ptr ptr)

3
include/mfapi.h
View File

@ -32,6 +32,9 @@ typedef unsigned __int64 MFWORKITEM_KEY;
HRESULT WINAPI MFCancelWorkItem(MFWORKITEM_KEY key);
HRESULT WINAPI MFCreateAttributes(IMFAttributes **attributes, UINT32 size);
HRESULT WINAPI MFGetTimerPeriodicity(DWORD *periodicity);
HRESULT WINAPI MFTEnum(GUID category, UINT32 flags, MFT_REGISTER_TYPE_INFO *input_type,
MFT_REGISTER_TYPE_INFO *output_type, IMFAttributes *attributes,
CLSID **pclsids, UINT32 *pcount);
HRESULT WINAPI MFLockPlatform(void);
HRESULT WINAPI MFTRegister(CLSID clsid, GUID category, LPWSTR name, UINT32 flags, UINT32 cinput,
MFT_REGISTER_TYPE_INFO *input_types, UINT32 coutput,