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Sweden-Number/dlls/quartz/filtermapper.c

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/*
* IFilterMapper & IFilterMapper2 Implementations
*
* Copyright 2003 Robert Shearman
* Copyright 2004 Christian Costa
*
* 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
*/
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winreg.h"
#include "winerror.h"
#include "quartz_private.h"
#define COM_NO_WINDOWS_H
#include "ole2.h"
#include "olectl.h"
#include "strmif.h"
#include "wine/unicode.h"
#include "uuids.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
typedef struct FilterMapper2Impl
{
const IFilterMapper2Vtbl *lpVtbl;
const IFilterMapperVtbl *lpVtblFilterMapper;
LONG refCount;
} FilterMapper2Impl;
static const IFilterMapper2Vtbl fm2vtbl;
static const IFilterMapperVtbl fmvtbl;
static inline FilterMapper2Impl *impl_from_IFilterMapper( IFilterMapper *iface )
{
return (FilterMapper2Impl *)((char*)iface - FIELD_OFFSET(FilterMapper2Impl, lpVtblFilterMapper));
}
static const WCHAR wszClsidSlash[] = {'C','L','S','I','D','\\',0};
static const WCHAR wszSlashInstance[] = {'\\','I','n','s','t','a','n','c','e','\\',0};
static const WCHAR wszSlash[] = {'\\',0};
/* CLSID property in media category Moniker */
static const WCHAR wszClsidName[] = {'C','L','S','I','D',0};
/* FriendlyName property in media category Moniker */
static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
/* Merit property in media category Moniker (CLSID_ActiveMovieCategories only) */
static const WCHAR wszMeritName[] = {'M','e','r','i','t',0};
/* FilterData property in media category Moniker (not CLSID_ActiveMovieCategories) */
static const WCHAR wszFilterDataName[] = {'F','i','l','t','e','r','D','a','t','a',0};
/* For filters registered with IFilterMapper */
static const WCHAR wszFilterSlash[] = {'F','i','l','t','e','r','\\',0};
static const WCHAR wszFilter[] = {'F','i','l','t','e','r',0};
/* For pins registered with IFilterMapper */
static const WCHAR wszPins[] = {'P','i','n','s',0};
static const WCHAR wszAllowedMany[] = {'A','l','l','o','w','e','d','M','a','n','y',0};
static const WCHAR wszAllowedZero[] = {'A','l','l','o','w','e','d','Z','e','r','o',0};
static const WCHAR wszDirection[] = {'D','i','r','e','c','t','i','o','n',0};
static const WCHAR wszIsRendered[] = {'I','s','R','e','n','d','e','r','e','d',0};
/* For types registered with IFilterMapper */
static const WCHAR wszTypes[] = {'T','y','p','e','s',0};
/* registry format for REGFILTER2 */
struct REG_RF
{
DWORD dwVersion;
DWORD dwMerit;
DWORD dwPins;
DWORD dwUnused;
};
struct REG_RFP
{
BYTE signature[4]; /* e.g. "0pi3" */
DWORD dwFlags;
DWORD dwInstances;
DWORD dwMediaTypes;
DWORD dwMediums;
DWORD bCategory; /* is there a category clsid? */
/* optional: dwOffsetCategoryClsid */
};
struct REG_TYPE
{
BYTE signature[4]; /* e.g. "0ty3" */
DWORD dwUnused;
DWORD dwOffsetMajor;
DWORD dwOffsetMinor;
};
struct MONIKER_MERIT
{
IMoniker * pMoniker;
DWORD dwMerit;
};
struct Vector
{
LPBYTE pData;
int capacity; /* in bytes */
int current; /* pointer to next free byte */
};
/* returns the position it was added at */
static int add_data(struct Vector * v, const BYTE * pData, int size)
{
int index = v->current;
if (v->current + size > v->capacity)
{
LPBYTE pOldData = v->pData;
v->capacity = (v->capacity + size) * 2;
v->pData = CoTaskMemAlloc(v->capacity);
memcpy(v->pData, pOldData, v->current);
CoTaskMemFree(pOldData);
}
memcpy(v->pData + v->current, pData, size);
v->current += size;
return index;
}
static int find_data(struct Vector * v, const BYTE * pData, int size)
{
int index;
for (index = 0; index < v->current; index++)
if (!memcmp(v->pData + index, pData, size))
return index;
/* not found */
return -1;
}
static void delete_vector(struct Vector * v)
{
CoTaskMemFree(v->pData);
v->current = 0;
v->capacity = 0;
}
HRESULT FilterMapper2_create(IUnknown *pUnkOuter, LPVOID *ppObj)
{
FilterMapper2Impl * pFM2impl;
TRACE("(%p, %p)\n", pUnkOuter, ppObj);
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
pFM2impl = CoTaskMemAlloc(sizeof(*pFM2impl));
if (!pFM2impl)
return E_OUTOFMEMORY;
pFM2impl->lpVtbl = &fm2vtbl;
pFM2impl->lpVtblFilterMapper = &fmvtbl;
pFM2impl->refCount = 1;
*ppObj = pFM2impl;
TRACE("-- created at %p\n", pFM2impl);
return S_OK;
}
/*** IUnknown methods ***/
static HRESULT WINAPI FilterMapper2_QueryInterface(IFilterMapper2 * iface, REFIID riid, LPVOID *ppv)
{
FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*ppv = iface;
else if (IsEqualIID(riid, &IID_IFilterMapper2))
*ppv = iface;
else if (IsEqualIID(riid, &IID_IFilterMapper))
*ppv = &This->lpVtblFilterMapper;
if (*ppv != NULL)
{
IUnknown_AddRef((IUnknown *)*ppv);
return S_OK;
}
FIXME("No interface for %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI FilterMapper2_AddRef(IFilterMapper2 * iface)
{
FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
ULONG refCount = InterlockedIncrement(&This->refCount);
TRACE("(%p)->()\n", iface);
return refCount;
}
static ULONG WINAPI FilterMapper2_Release(IFilterMapper2 * iface)
{
FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
ULONG refCount = InterlockedDecrement(&This->refCount);
TRACE("(%p)->()\n", iface);
if (refCount == 0)
{
CoTaskMemFree(This);
return 0;
}
return refCount;
}
/*** IFilterMapper2 methods ***/
static HRESULT WINAPI FilterMapper2_CreateCategory(
IFilterMapper2 * iface,
REFCLSID clsidCategory,
DWORD dwCategoryMerit,
LPCWSTR szDescription)
{
LPWSTR wClsidAMCat = NULL;
LPWSTR wClsidCategory = NULL;
WCHAR wszKeyName[strlenW(wszClsidSlash) + strlenW(wszSlashInstance) + (CHARS_IN_GUID-1) * 2 + 1];
HKEY hKey = NULL;
LONG lRet;
HRESULT hr;
TRACE("(%s, %lx, %s)\n", debugstr_guid(clsidCategory), dwCategoryMerit, debugstr_w(szDescription));
hr = StringFromCLSID(&CLSID_ActiveMovieCategories, &wClsidAMCat);
if (SUCCEEDED(hr))
{
hr = StringFromCLSID(clsidCategory, &wClsidCategory);
}
if (SUCCEEDED(hr))
{
strcpyW(wszKeyName, wszClsidSlash);
strcatW(wszKeyName, wClsidAMCat);
strcatW(wszKeyName, wszSlashInstance);
strcatW(wszKeyName, wClsidCategory);
lRet = RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegSetValueExW(hKey, wszFriendlyName, 0, REG_SZ, (const BYTE*)szDescription, (strlenW(szDescription) + 1) * sizeof(WCHAR));
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegSetValueExW(hKey, wszClsidName, 0, REG_SZ, (LPBYTE)wClsidCategory, (strlenW(wClsidCategory) + 1) * sizeof(WCHAR));
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegSetValueExW(hKey, wszMeritName, 0, REG_DWORD, (LPBYTE)&dwCategoryMerit, sizeof(dwCategoryMerit));
hr = HRESULT_FROM_WIN32(lRet);
}
CloseHandle(hKey);
CoTaskMemFree(wClsidCategory);
CoTaskMemFree(wClsidAMCat);
return hr;
}
static HRESULT WINAPI FilterMapper2_UnregisterFilter(
IFilterMapper2 * iface,
const CLSID *pclsidCategory,
const OLECHAR *szInstance,
REFCLSID Filter)
{
WCHAR wszKeyName[MAX_PATH];
LPWSTR wClsidCategory = NULL;
LPWSTR wFilter = NULL;
HRESULT hr;
TRACE("(%p, %s, %s)\n", pclsidCategory, debugstr_w(szInstance), debugstr_guid(Filter));
if (!pclsidCategory)
pclsidCategory = &CLSID_LegacyAmFilterCategory;
hr = StringFromCLSID(pclsidCategory, &wClsidCategory);
if (SUCCEEDED(hr))
{
strcpyW(wszKeyName, wszClsidSlash);
strcatW(wszKeyName, wClsidCategory);
strcatW(wszKeyName, wszSlashInstance);
if (szInstance)
strcatW(wszKeyName, szInstance);
else
{
hr = StringFromCLSID(Filter, &wFilter);
if (SUCCEEDED(hr))
strcatW(wszKeyName, wFilter);
}
}
if (SUCCEEDED(hr))
{
LONG lRet = RegDeleteKeyW(HKEY_CLASSES_ROOT, wszKeyName);
hr = HRESULT_FROM_WIN32(lRet);
}
CoTaskMemFree(wClsidCategory);
CoTaskMemFree(wFilter);
return hr;
}
static HRESULT FM2_WriteFriendlyName(IPropertyBag * pPropBag, LPCWSTR szName)
{
VARIANT var;
V_VT(&var) = VT_BSTR;
V_UNION(&var, bstrVal) = (BSTR)szName;
return IPropertyBag_Write(pPropBag, wszFriendlyName, &var);
}
static HRESULT FM2_WriteClsid(IPropertyBag * pPropBag, REFCLSID clsid)
{
LPWSTR wszClsid = NULL;
VARIANT var;
HRESULT hr;
hr = StringFromCLSID(clsid, &wszClsid);
if (SUCCEEDED(hr))
{
V_VT(&var) = VT_BSTR;
V_UNION(&var, bstrVal) = wszClsid;
hr = IPropertyBag_Write(pPropBag, wszClsidName, &var);
}
CoTaskMemFree(wszClsid);
return hr;
}
static HRESULT FM2_WriteFilterData(IPropertyBag * pPropBag, const REGFILTER2 * prf2)
{
VARIANT var;
int size = sizeof(struct REG_RF);
unsigned int i;
struct Vector mainStore = {NULL, 0, 0};
struct Vector clsidStore = {NULL, 0, 0};
struct REG_RF rrf;
SAFEARRAY * psa;
SAFEARRAYBOUND saBound;
HRESULT hr = S_OK;
rrf.dwVersion = prf2->dwVersion;
rrf.dwMerit = prf2->dwMerit;
rrf.dwPins = prf2->u.s1.cPins2;
rrf.dwUnused = 0;
add_data(&mainStore, (LPBYTE)&rrf, sizeof(rrf));
for (i = 0; i < prf2->u.s1.cPins2; i++)
{
size += sizeof(struct REG_RFP);
if (prf2->u.s1.rgPins2[i].clsPinCategory)
size += sizeof(DWORD);
size += prf2->u.s1.rgPins2[i].nMediaTypes * sizeof(struct REG_TYPE);
size += prf2->u.s1.rgPins2[i].nMediums * sizeof(DWORD);
}
for (i = 0; i < prf2->u.s1.cPins2; i++)
{
struct REG_RFP rrfp;
REGFILTERPINS2 rgPin2 = prf2->u.s1.rgPins2[i];
unsigned int j;
rrfp.signature[0] = '0';
rrfp.signature[1] = 'p';
rrfp.signature[2] = 'i';
rrfp.signature[3] = '3';
rrfp.signature[0] += i;
rrfp.dwFlags = rgPin2.dwFlags;
rrfp.dwInstances = rgPin2.cInstances;
rrfp.dwMediaTypes = rgPin2.nMediaTypes;
rrfp.dwMediums = rgPin2.nMediums;
rrfp.bCategory = rgPin2.clsPinCategory ? 1 : 0;
add_data(&mainStore, (LPBYTE)&rrfp, sizeof(rrfp));
if (rrfp.bCategory)
{
DWORD index = find_data(&clsidStore, (const BYTE*)rgPin2.clsPinCategory, sizeof(CLSID));
if (index == -1)
index = add_data(&clsidStore, (const BYTE*)rgPin2.clsPinCategory, sizeof(CLSID));
index += size;
add_data(&mainStore, (LPBYTE)&index, sizeof(index));
}
for (j = 0; j < rgPin2.nMediaTypes; j++)
{
struct REG_TYPE rt;
rt.signature[0] = '0';
rt.signature[1] = 't';
rt.signature[2] = 'y';
rt.signature[3] = '3';
rt.signature[0] += j;
rt.dwUnused = 0;
rt.dwOffsetMajor = find_data(&clsidStore, (const BYTE*)rgPin2.lpMediaType[j].clsMajorType, sizeof(CLSID));
if (rt.dwOffsetMajor == -1)
rt.dwOffsetMajor = add_data(&clsidStore, (const BYTE*)rgPin2.lpMediaType[j].clsMajorType, sizeof(CLSID));
rt.dwOffsetMajor += size;
rt.dwOffsetMinor = find_data(&clsidStore, (const BYTE*)rgPin2.lpMediaType[j].clsMinorType, sizeof(CLSID));
if (rt.dwOffsetMinor == -1)
rt.dwOffsetMinor = add_data(&clsidStore, (const BYTE*)rgPin2.lpMediaType[j].clsMinorType, sizeof(CLSID));
rt.dwOffsetMinor += size;
add_data(&mainStore, (LPBYTE)&rt, sizeof(rt));
}
for (j = 0; j < rgPin2.nMediums; j++)
{
DWORD index = find_data(&clsidStore, (const BYTE*)(rgPin2.lpMedium + j), sizeof(REGPINMEDIUM));
if (index == -1)
index = add_data(&clsidStore, (const BYTE*)(rgPin2.lpMedium + j), sizeof(REGPINMEDIUM));
index += size;
add_data(&mainStore, (LPBYTE)&index, sizeof(index));
}
}
saBound.lLbound = 0;
saBound.cElements = mainStore.current + clsidStore.current;
psa = SafeArrayCreate(VT_UI1, 1, &saBound);
if (!psa)
{
ERR("Couldn't create SAFEARRAY\n");
hr = E_FAIL;
}
if (SUCCEEDED(hr))
{
LPBYTE pbSAData;
hr = SafeArrayAccessData(psa, (LPVOID *)&pbSAData);
if (SUCCEEDED(hr))
{
memcpy(pbSAData, mainStore.pData, mainStore.current);
memcpy(pbSAData + mainStore.current, clsidStore.pData, clsidStore.current);
hr = SafeArrayUnaccessData(psa);
}
}
V_VT(&var) = VT_ARRAY | VT_UI1;
V_UNION(&var, parray) = psa;
if (SUCCEEDED(hr))
hr = IPropertyBag_Write(pPropBag, wszFilterDataName, &var);
if (psa)
SafeArrayDestroy(psa);
delete_vector(&mainStore);
delete_vector(&clsidStore);
return hr;
}
static HRESULT FM2_ReadFilterData(IPropertyBag * pPropBag, REGFILTER2 * prf2)
{
VARIANT var;
HRESULT hr;
LPBYTE pData = NULL;
struct REG_RF * prrf;
LPBYTE pCurrent;
DWORD i;
REGFILTERPINS2 * rgPins2;
VariantInit(&var);
V_VT(&var) = VT_ARRAY | VT_UI1;
hr = IPropertyBag_Read(pPropBag, wszFilterDataName, &var, NULL);
if (SUCCEEDED(hr))
hr = SafeArrayAccessData(V_UNION(&var, parray), (LPVOID*)&pData);
if (SUCCEEDED(hr))
{
prrf = (struct REG_RF *)pData;
pCurrent = pData;
if (prrf->dwVersion != 2)
{
FIXME("Filter registry version %ld not supported\n", prrf->dwVersion);
ZeroMemory(prf2, sizeof(*prf2));
hr = E_FAIL;
}
}
if (SUCCEEDED(hr))
{
TRACE("version = %ld, merit = %lx, #pins = %ld, unused = %lx\n",
prrf->dwVersion, prrf->dwMerit, prrf->dwPins, prrf->dwUnused);
prf2->dwVersion = prrf->dwVersion;
prf2->dwMerit = prrf->dwMerit;
prf2->u.s1.cPins2 = prrf->dwPins;
rgPins2 = CoTaskMemAlloc(prrf->dwPins * sizeof(*rgPins2));
prf2->u.s1.rgPins2 = rgPins2;
pCurrent += sizeof(struct REG_RF);
for (i = 0; i < prrf->dwPins; i++)
{
struct REG_RFP * prrfp = (struct REG_RFP *)pCurrent;
REGPINTYPES * lpMediaType;
REGPINMEDIUM * lpMedium;
UINT j;
/* FIXME: check signature */
TRACE("\tsignature = %s\n", debugstr_an((const char*)prrfp->signature, 4));
TRACE("\tpin[%ld]: flags = %lx, instances = %ld, media types = %ld, mediums = %ld\n",
i, prrfp->dwFlags, prrfp->dwInstances, prrfp->dwMediaTypes, prrfp->dwMediums);
rgPins2[i].dwFlags = prrfp->dwFlags;
rgPins2[i].cInstances = prrfp->dwInstances;
rgPins2[i].nMediaTypes = prrfp->dwMediaTypes;
rgPins2[i].nMediums = prrfp->dwMediums;
pCurrent += sizeof(struct REG_RFP);
if (prrfp->bCategory)
{
CLSID * clsCat = CoTaskMemAlloc(sizeof(CLSID));
memcpy(clsCat, pData + *(DWORD*)(pCurrent), sizeof(CLSID));
pCurrent += sizeof(DWORD);
rgPins2[i].clsPinCategory = clsCat;
}
else
rgPins2[i].clsPinCategory = NULL;
if (rgPins2[i].nMediaTypes > 0)
lpMediaType = CoTaskMemAlloc(rgPins2[i].nMediaTypes * sizeof(*lpMediaType));
else
lpMediaType = NULL;
rgPins2[i].lpMediaType = lpMediaType;
for (j = 0; j < rgPins2[i].nMediaTypes; j++)
{
struct REG_TYPE * prt = (struct REG_TYPE *)pCurrent;
CLSID * clsMajor = CoTaskMemAlloc(sizeof(CLSID));
CLSID * clsMinor = CoTaskMemAlloc(sizeof(CLSID));
/* FIXME: check signature */
TRACE("\t\tsignature = %s\n", debugstr_an((const char*)prt->signature, 4));
memcpy(clsMajor, pData + prt->dwOffsetMajor, sizeof(CLSID));
memcpy(clsMinor, pData + prt->dwOffsetMinor, sizeof(CLSID));
lpMediaType[j].clsMajorType = clsMajor;
lpMediaType[j].clsMinorType = clsMinor;
pCurrent += sizeof(*prt);
}
if (rgPins2[i].nMediums > 0)
lpMedium = CoTaskMemAlloc(rgPins2[i].nMediums * sizeof(*lpMedium));
else
lpMedium = NULL;
rgPins2[i].lpMedium = lpMedium;
for (j = 0; j < rgPins2[i].nMediums; j++)
{
DWORD dwOffset = *(DWORD *)pCurrent;
memcpy(lpMedium + j, pData + dwOffset, sizeof(REGPINMEDIUM));
pCurrent += sizeof(dwOffset);
}
}
}
if (pData)
SafeArrayUnaccessData(V_UNION(&var, parray));
VariantClear(&var);
return hr;
}
static void FM2_DeleteRegFilter(REGFILTER2 * prf2)
{
UINT i;
for (i = 0; i < prf2->u.s1.cPins2; i++)
{
UINT j;
if (prf2->u.s1.rgPins2[i].clsPinCategory)
CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].clsPinCategory);
for (j = 0; j < prf2->u.s1.rgPins2[i].nMediaTypes; j++)
{
CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMediaType[j].clsMajorType);
CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMediaType[j].clsMinorType);
}
CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMedium);
}
}
static HRESULT WINAPI FilterMapper2_RegisterFilter(
IFilterMapper2 * iface,
REFCLSID clsidFilter,
LPCWSTR szName,
IMoniker **ppMoniker,
const CLSID *pclsidCategory,
const OLECHAR *szInstance,
const REGFILTER2 *prf2)
{
IParseDisplayName * pParser = NULL;
IBindCtx * pBindCtx = NULL;
IMoniker * pMoniker = NULL;
IPropertyBag * pPropBag = NULL;
HRESULT hr;
LPWSTR pwszParseName = NULL;
LPWSTR pCurrent;
static const WCHAR wszDevice[] = {'@','d','e','v','i','c','e',':','s','w',':',0};
int nameLen;
ULONG ulEaten;
LPWSTR szClsidTemp = NULL;
REGFILTER2 regfilter2;
REGFILTERPINS2* pregfp2 = NULL;
TRACE("(%s, %s, %p, %s, %s, %p)\n",
debugstr_guid(clsidFilter),
debugstr_w(szName),
ppMoniker,
debugstr_guid(pclsidCategory),
debugstr_w(szInstance),
prf2);
if (prf2->dwVersion == 2)
{
regfilter2 = *prf2;
}
else if (prf2->dwVersion == 1)
{
ULONG i;
DWORD flags;
/* REGFILTER2 structure is converted from version 1 to 2. Tested on Win2k. */
regfilter2.dwVersion = 2;
regfilter2.dwMerit = prf2->dwMerit;
regfilter2.u.s1.cPins2 = prf2->u.s.cPins;
pregfp2 = (REGFILTERPINS2*) CoTaskMemAlloc(prf2->u.s.cPins * sizeof(REGFILTERPINS2));
regfilter2.u.s1.rgPins2 = pregfp2;
for (i = 0; i < prf2->u.s.cPins; i++)
{
flags = 0;
if (prf2->u.s.rgPins[i].bRendered)
flags |= REG_PINFLAG_B_RENDERER;
if (prf2->u.s.rgPins[i].bOutput)
flags |= REG_PINFLAG_B_OUTPUT;
if (prf2->u.s.rgPins[i].bZero)
flags |= REG_PINFLAG_B_ZERO;
if (prf2->u.s.rgPins[i].bMany)
flags |= REG_PINFLAG_B_MANY;
pregfp2[i].dwFlags = flags;
pregfp2[i].cInstances = 1;
pregfp2[i].nMediaTypes = prf2->u.s.rgPins[i].nMediaTypes;
pregfp2[i].lpMediaType = prf2->u.s.rgPins[i].lpMediaType;
pregfp2[i].nMediums = 0;
pregfp2[i].lpMedium = NULL;
pregfp2[i].clsPinCategory = NULL;
}
}
else
{
FIXME("dwVersion other that 1 or 2 not supported at the moment\n");
return E_NOTIMPL;
}
if (ppMoniker)
*ppMoniker = NULL;
if (!pclsidCategory)
/* MSDN mentions the inexistent CLSID_ActiveMovieFilters GUID.
* In fact this is the CLSID_LegacyAmFilterCategory one */
pclsidCategory = &CLSID_LegacyAmFilterCategory;
/* sizeof... will include the null terminator and
* the + 1 is for the separator ('\\'). The -1 is
* because CHARS_IN_GUID includes the null terminator
*/
nameLen = sizeof(wszDevice)/sizeof(wszDevice[0]) + CHARS_IN_GUID - 1 + 1;
if (szInstance)
nameLen += strlenW(szInstance);
else
nameLen += CHARS_IN_GUID - 1; /* CHARS_IN_GUID includes null terminator */
pCurrent = pwszParseName = CoTaskMemAlloc(nameLen*sizeof(WCHAR));
if (!pwszParseName)
return E_OUTOFMEMORY;
strcpyW(pwszParseName, wszDevice);
pCurrent += strlenW(wszDevice);
hr = StringFromCLSID(pclsidCategory, &szClsidTemp);
if (SUCCEEDED(hr))
{
memcpy(pCurrent, szClsidTemp, CHARS_IN_GUID * sizeof(WCHAR));
pCurrent += CHARS_IN_GUID - 1;
pCurrent[0] = '\\';
if (szInstance)
strcpyW(pCurrent+1, szInstance);
else
{
CoTaskMemFree(szClsidTemp);
szClsidTemp = NULL;
hr = StringFromCLSID(clsidFilter, &szClsidTemp);
if (SUCCEEDED(hr))
strcpyW(pCurrent+1, szClsidTemp);
}
}
if (SUCCEEDED(hr))
hr = CoCreateInstance(&CLSID_CDeviceMoniker, NULL, CLSCTX_INPROC, &IID_IParseDisplayName, (LPVOID *)&pParser);
if (SUCCEEDED(hr))
hr = CreateBindCtx(0, &pBindCtx);
if (SUCCEEDED(hr))
hr = IParseDisplayName_ParseDisplayName(pParser, pBindCtx, pwszParseName, &ulEaten, &pMoniker);
if (pBindCtx)
IBindCtx_Release(pBindCtx);
if (pParser)
IParseDisplayName_Release(pParser);
if (SUCCEEDED(hr))
hr = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID)&pPropBag);
if (SUCCEEDED(hr))
hr = FM2_WriteFriendlyName(pPropBag, szName);
if (SUCCEEDED(hr))
hr = FM2_WriteClsid(pPropBag, clsidFilter);
if (SUCCEEDED(hr))
hr = FM2_WriteFilterData(pPropBag, &regfilter2);
if (pPropBag)
IPropertyBag_Release(pPropBag);
CoTaskMemFree(szClsidTemp);
if (SUCCEEDED(hr) && ppMoniker)
*ppMoniker = pMoniker;
else if (pMoniker)
IMoniker_Release(pMoniker);
CoTaskMemFree(pregfp2);
TRACE("-- returning %lx\n", hr);
return hr;
}
/* internal helper function */
static BOOL MatchTypes(
BOOL bExactMatch,
DWORD nPinTypes,
const REGPINTYPES * pPinTypes,
DWORD nMatchTypes,
const GUID * pMatchTypes)
{
BOOL bMatch = FALSE;
DWORD j;
if ((nMatchTypes == 0) && (nPinTypes > 0))
bMatch = TRUE;
for (j = 0; j < nPinTypes; j++)
{
DWORD i;
for (i = 0; i < nMatchTypes*2; i+=2)
{
if (((!bExactMatch && IsEqualGUID(pPinTypes[j].clsMajorType, &GUID_NULL)) || IsEqualGUID(&pMatchTypes[i], &GUID_NULL) || IsEqualGUID(pPinTypes[j].clsMajorType, &pMatchTypes[i])) &&
((!bExactMatch && IsEqualGUID(pPinTypes[j].clsMinorType, &GUID_NULL)) || IsEqualGUID(&pMatchTypes[i+1], &GUID_NULL) || IsEqualGUID(pPinTypes[j].clsMinorType, &pMatchTypes[i+1])))
{
bMatch = TRUE;
break;
}
}
}
return bMatch;
}
/* internal helper function for qsort of MONIKER_MERIT array */
static int mm_compare(const void * left, const void * right)
{
const struct MONIKER_MERIT * mmLeft = (const struct MONIKER_MERIT *)left;
const struct MONIKER_MERIT * mmRight = (const struct MONIKER_MERIT *)right;
if (mmLeft->dwMerit == mmRight->dwMerit)
return 0;
if (mmLeft->dwMerit > mmRight->dwMerit)
return -1;
return 1;
}
/* NOTES:
* Exact match means whether or not to treat GUID_NULL's in filter data as wild cards
* (GUID_NULL's in input to function automatically treated as wild cards)
* Input/Output needed means match only on criteria if TRUE (with zero input types
* meaning match any input/output pin as long as one exists), otherwise match any
* filter that meets the rest of the requirements.
*/
static HRESULT WINAPI FilterMapper2_EnumMatchingFilters(
IFilterMapper2 * iface,
IEnumMoniker **ppEnum,
DWORD dwFlags,
BOOL bExactMatch,
DWORD dwMerit,
BOOL bInputNeeded,
DWORD cInputTypes,
const GUID *pInputTypes,
const REGPINMEDIUM *pMedIn,
const CLSID *pPinCategoryIn,
BOOL bRender,
BOOL bOutputNeeded,
DWORD cOutputTypes,
const GUID *pOutputTypes,
const REGPINMEDIUM *pMedOut,
const CLSID *pPinCategoryOut)
{
ICreateDevEnum * pCreateDevEnum;
IMoniker * pMonikerCat;
IEnumMoniker * pEnumCat;
HRESULT hr;
struct Vector monikers = {NULL, 0, 0};
TRACE("(%p, %lx, %s, %lx, %s, %ld, %p, %p, %p, %s, %s, %p, %p, %p)\n",
ppEnum,
dwFlags,
bExactMatch ? "true" : "false",
dwMerit,
bInputNeeded ? "true" : "false",
cInputTypes,
pInputTypes,
pMedIn,
pPinCategoryIn,
bRender ? "true" : "false",
bOutputNeeded ? "true" : "false",
pOutputTypes,
pMedOut,
pPinCategoryOut);
if (dwFlags != 0)
{
FIXME("dwFlags = %lx not implemented\n", dwFlags);
}
*ppEnum = NULL;
hr = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, &IID_ICreateDevEnum, (LPVOID*)&pCreateDevEnum);
if (SUCCEEDED(hr))
hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &CLSID_ActiveMovieCategories, &pEnumCat, 0);
while (IEnumMoniker_Next(pEnumCat, 1, &pMonikerCat, NULL) == S_OK)
{
IPropertyBag * pPropBagCat = NULL;
VARIANT var;
HRESULT hrSub; /* this is so that one buggy filter
doesn't make the whole lot fail */
VariantInit(&var);
hrSub = IMoniker_BindToStorage(pMonikerCat, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBagCat);
if (SUCCEEDED(hrSub))
hrSub = IPropertyBag_Read(pPropBagCat, wszMeritName, &var, NULL);
if (SUCCEEDED(hrSub) && (V_UNION(&var, ulVal) >= dwMerit))
{
CLSID clsidCat;
IEnumMoniker * pEnum;
IMoniker * pMoniker;
VariantClear(&var);
if (TRACE_ON(quartz))
{
VARIANT temp;
V_VT(&temp) = VT_EMPTY;
IPropertyBag_Read(pPropBagCat, wszFriendlyName, &temp, NULL);
TRACE("Considering category %s\n", debugstr_w(V_UNION(&temp, bstrVal)));
VariantClear(&temp);
}
hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
if (SUCCEEDED(hrSub))
hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsidCat);
if (SUCCEEDED(hrSub))
hrSub = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &clsidCat, &pEnum, 0);
if (hrSub == S_OK)
{
while (IEnumMoniker_Next(pEnum, 1, &pMoniker, NULL) == S_OK)
{
IPropertyBag * pPropBag = NULL;
REGFILTER2 rf2;
DWORD i;
BOOL bInputMatch = !bInputNeeded;
BOOL bOutputMatch = !bOutputNeeded;
ZeroMemory(&rf2, sizeof(rf2));
hrSub = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBag);
if (TRACE_ON(quartz))
{
VARIANT temp;
V_VT(&temp) = VT_EMPTY;
IPropertyBag_Read(pPropBag, wszFriendlyName, &temp, NULL);
TRACE("Considering filter %s\n", debugstr_w(V_UNION(&temp, bstrVal)));
VariantClear(&temp);
}
if (SUCCEEDED(hrSub))
hrSub = FM2_ReadFilterData(pPropBag, &rf2);
/* Logic used for bInputMatch expression:
* There exists some pin such that bInputNeeded implies (pin is an input and
* (bRender implies pin has render flag) and major/minor types members of
* pInputTypes )
* bOutputMatch is similar, but without the "bRender implies ..." part
* and substituting variables names containing input for output
*/
/* determine whether filter meets requirements */
if (SUCCEEDED(hrSub) && (rf2.dwMerit >= dwMerit))
{
for (i = 0; (i < rf2.u.s1.cPins2) && (!bInputMatch || !bOutputMatch); i++)
{
const REGFILTERPINS2 * rfp2 = rf2.u.s1.rgPins2 + i;
bInputMatch = bInputMatch || (!(rfp2->dwFlags & REG_PINFLAG_B_OUTPUT) &&
(!bRender || (rfp2->dwFlags & REG_PINFLAG_B_RENDERER)) &&
MatchTypes(bExactMatch, rfp2->nMediaTypes, rfp2->lpMediaType, cInputTypes, pInputTypes));
bOutputMatch = bOutputMatch || ((rfp2->dwFlags & REG_PINFLAG_B_OUTPUT) &&
MatchTypes(bExactMatch, rfp2->nMediaTypes, rfp2->lpMediaType, cOutputTypes, pOutputTypes));
}
if (bInputMatch && bOutputMatch)
{
struct MONIKER_MERIT mm = {pMoniker, rf2.dwMerit};
IMoniker_AddRef(pMoniker);
add_data(&monikers, (LPBYTE)&mm, sizeof(mm));
}
}
FM2_DeleteRegFilter(&rf2);
if (pPropBag)
IPropertyBag_Release(pPropBag);
IMoniker_Release(pMoniker);
}
IEnumMoniker_Release(pEnum);
}
}
VariantClear(&var);
if (pPropBagCat)
IPropertyBag_Release(pPropBagCat);
IMoniker_Release(pMonikerCat);
}
if (SUCCEEDED(hr))
{
IMoniker ** ppMoniker;
unsigned int i;
ULONG nMonikerCount = monikers.current / sizeof(struct MONIKER_MERIT);
/* sort the monikers in descending merit order */
qsort(monikers.pData, nMonikerCount,
sizeof(struct MONIKER_MERIT),
mm_compare);
/* construct an IEnumMoniker interface */
ppMoniker = CoTaskMemAlloc(nMonikerCount * sizeof(IMoniker *));
for (i = 0; i < nMonikerCount; i++)
{
/* no need to AddRef here as already AddRef'd above */
ppMoniker[i] = ((struct MONIKER_MERIT *)monikers.pData)[i].pMoniker;
}
hr = EnumMonikerImpl_Create(ppMoniker, nMonikerCount, ppEnum);
CoTaskMemFree(ppMoniker);
}
delete_vector(&monikers);
IEnumMoniker_Release(pEnumCat);
ICreateDevEnum_Release(pCreateDevEnum);
return hr;
}
static const IFilterMapper2Vtbl fm2vtbl =
{
FilterMapper2_QueryInterface,
FilterMapper2_AddRef,
FilterMapper2_Release,
FilterMapper2_CreateCategory,
FilterMapper2_UnregisterFilter,
FilterMapper2_RegisterFilter,
FilterMapper2_EnumMatchingFilters
};
/*** IUnknown methods ***/
static HRESULT WINAPI FilterMapper_QueryInterface(IFilterMapper * iface, REFIID riid, LPVOID *ppv)
{
FilterMapper2Impl *This = impl_from_IFilterMapper(iface);
TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
return FilterMapper2_QueryInterface((IFilterMapper2*)&This->lpVtbl, riid, ppv);
}
static ULONG WINAPI FilterMapper_AddRef(IFilterMapper * iface)
{
FilterMapper2Impl *This = impl_from_IFilterMapper(iface);
return FilterMapper2_AddRef((IFilterMapper2*)This);
}
static ULONG WINAPI FilterMapper_Release(IFilterMapper * iface)
{
FilterMapper2Impl *This = impl_from_IFilterMapper(iface);
return FilterMapper2_Release((IFilterMapper2*)This);
}
/*** IFilterMapper methods ***/
static HRESULT WINAPI FilterMapper_EnumMatchingFilters(
IFilterMapper * iface,
IEnumRegFilters **ppEnum,
DWORD dwMerit,
BOOL bInputNeeded,
CLSID clsInMaj,
CLSID clsInSub,
BOOL bRender,
BOOL bOutputNeeded,
CLSID clsOutMaj,
CLSID clsOutSub)
{
FilterMapper2Impl *This = impl_from_IFilterMapper(iface);
GUID InputType[2];
GUID OutputType[2];
IEnumMoniker* ppEnumMoniker;
IMoniker* IMon;
ULONG nb;
ULONG idx = 0, nb_mon = 0;
REGFILTER* regfilters;
HRESULT hr;
TRACE("(%p/%p)->(%p, %lx, %s, %s, %s, %s, %s, %s, %s) stub!\n",
iface,This,
ppEnum,
dwMerit,
bInputNeeded ? "true" : "false",
debugstr_guid(&clsInMaj),
debugstr_guid(&clsInSub),
bRender ? "true" : "false",
bOutputNeeded ? "true" : "false",
debugstr_guid(&clsOutMaj),
debugstr_guid(&clsOutSub));
InputType[0] = clsInMaj;
InputType[1] = clsInSub;
OutputType[0] = clsOutMaj;
OutputType[1] = clsOutSub;
hr = IFilterMapper2_EnumMatchingFilters((IFilterMapper2*)This,
&ppEnumMoniker,
0,
TRUE,
dwMerit,
bInputNeeded,
1,
InputType,
NULL,
&GUID_NULL,
bRender,
bOutputNeeded,
1,
OutputType,
NULL,
&GUID_NULL);
if (!SUCCEEDED(hr))
return hr;
while(IEnumMoniker_Next(ppEnumMoniker, 1, &IMon, &nb) == S_OK)
{
IMoniker_Release(IMon);
nb_mon++;
}
*ppEnum = NULL;
if (!nb_mon)
{
IEnumMoniker_Release(ppEnumMoniker);
return IEnumRegFiltersImpl_Construct(NULL, 0, ppEnum);
}
regfilters = CoTaskMemAlloc(nb_mon * sizeof(REGFILTER));
if (!regfilters)
{
IEnumMoniker_Release(ppEnumMoniker);
return E_OUTOFMEMORY;
}
IEnumMoniker_Reset(ppEnumMoniker);
while(IEnumMoniker_Next(ppEnumMoniker, 1, &IMon, &nb) == S_OK)
{
IPropertyBag * pPropBagCat = NULL;
VARIANT var;
HRESULT hrSub;
GUID clsid;
int len;
VariantInit(&var);
V_VT(&var) = VT_BSTR;
hrSub = IMoniker_BindToStorage(IMon, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBagCat);
if (SUCCEEDED(hrSub))
hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
if (SUCCEEDED(hrSub))
hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsid);
if (SUCCEEDED(hrSub))
hrSub = IPropertyBag_Read(pPropBagCat, wszFriendlyName, &var, NULL);
if (SUCCEEDED(hrSub))
{
len = (strlenW((WCHAR*)&V_UNION(&var, bstrVal))+1) * sizeof(WCHAR);
if (!(regfilters[idx].Name = CoTaskMemAlloc(len*2)))
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hrSub))
{
memcpy(regfilters[idx].Name, &V_UNION(&var, bstrVal), len);
regfilters[idx].Clsid = clsid;
idx++;
}
if (pPropBagCat)
IPropertyBag_Release(pPropBagCat);
IMoniker_Release(IMon);
}
/* In case of release all resources */
if (!SUCCEEDED(hr))
{
for (idx = 0; idx < nb_mon; idx++)
CoTaskMemFree(regfilters[idx].Name);
CoTaskMemFree(regfilters);
IEnumMoniker_Release(ppEnumMoniker);
return hr;
}
hr = IEnumRegFiltersImpl_Construct(regfilters, nb_mon, ppEnum);
CoTaskMemFree(regfilters);
IEnumMoniker_Release(ppEnumMoniker);
return hr;
}
static HRESULT WINAPI FilterMapper_RegisterFilter(IFilterMapper * iface, CLSID clsid, LPCWSTR szName, DWORD dwMerit)
{
HRESULT hr;
LPWSTR wszClsid = NULL;
HKEY hKey;
LONG lRet;
WCHAR wszKeyName[strlenW(wszFilterSlash) + (CHARS_IN_GUID-1) + 1];
TRACE("(%p)->(%s, %s, %lx)\n", iface, debugstr_guid(&clsid), debugstr_w(szName), dwMerit);
hr = StringFromCLSID(&clsid, &wszClsid);
if (SUCCEEDED(hr))
{
strcpyW(wszKeyName, wszFilterSlash);
strcatW(wszKeyName, wszClsid);
lRet = RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegSetValueExW(hKey, NULL, 0, REG_SZ, (const BYTE*)szName, strlenW(szName) + 1);
hr = HRESULT_FROM_WIN32(lRet);
CloseHandle(hKey);
}
if (SUCCEEDED(hr))
{
strcpyW(wszKeyName, wszClsidSlash);
strcatW(wszKeyName, wszClsid);
lRet = RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegSetValueExW(hKey, wszMeritName, 0, REG_DWORD, (LPBYTE)&dwMerit, sizeof(dwMerit));
hr = HRESULT_FROM_WIN32(lRet);
CloseHandle(hKey);
}
return hr;
}
static HRESULT WINAPI FilterMapper_RegisterFilterInstance(IFilterMapper * iface, CLSID clsid, LPCWSTR szName, CLSID *MRId)
{
TRACE("(%p)->(%s, %s, %p)\n", iface, debugstr_guid(&clsid), debugstr_w(szName), MRId);
/* Not implemented in Windows (tested on Win2k) */
return E_NOTIMPL;
}
static HRESULT WINAPI FilterMapper_RegisterPin(
IFilterMapper * iface,
CLSID Filter,
LPCWSTR szName,
BOOL bRendered,
BOOL bOutput,
BOOL bZero,
BOOL bMany,
CLSID ConnectsToFilter,
LPCWSTR ConnectsToPin)
{
HRESULT hr;
LONG lRet;
LPWSTR wszClsid = NULL;
HKEY hKey = NULL;
HKEY hPinsKey = NULL;
WCHAR * wszPinsKeyName;
WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
TRACE("(%p)->(%s, %s, %d, %d, %d, %d, %s, %s)\n", iface, debugstr_guid(&Filter), debugstr_w(szName), bRendered,
bOutput, bZero, bMany, debugstr_guid(&ConnectsToFilter), debugstr_w(ConnectsToPin));
hr = StringFromCLSID(&Filter, &wszClsid);
if (SUCCEEDED(hr))
{
strcpyW(wszKeyName, wszClsidSlash);
strcatW(wszKeyName, wszClsid);
lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey);
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
wszPinsKeyName = CoTaskMemAlloc((strlenW(wszPins) + 1 + strlenW(szName) + 1) * 2);
if (!wszPinsKeyName)
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hr))
{
strcpyW(wszPinsKeyName, wszPins);
strcatW(wszPinsKeyName, wszSlash);
strcatW(wszPinsKeyName, szName);
lRet = RegCreateKeyExW(hKey, wszPinsKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hPinsKey, NULL);
hr = HRESULT_FROM_WIN32(lRet);
CoTaskMemFree(wszPinsKeyName);
}
if (SUCCEEDED(hr))
{
lRet = RegSetValueExW(hPinsKey, wszAllowedMany, 0, REG_DWORD, (LPBYTE)&bMany, sizeof(bMany));
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegSetValueExW(hPinsKey, wszAllowedZero, 0, REG_DWORD, (LPBYTE)&bZero, sizeof(bZero));
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegSetValueExW(hPinsKey, wszDirection, 0, REG_DWORD, (LPBYTE)&bOutput, sizeof(bOutput));
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegSetValueExW(hPinsKey, wszIsRendered, 0, REG_DWORD, (LPBYTE)&bRendered, sizeof(bRendered));
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegCreateKeyExW(hPinsKey, wszTypes, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, NULL, NULL);
hr = HRESULT_FROM_WIN32(lRet);
}
CoTaskMemFree(wszClsid);
if (hKey)
CloseHandle(hKey);
if (hPinsKey)
CloseHandle(hPinsKey);
return hr;
}
static HRESULT WINAPI FilterMapper_RegisterPinType(
IFilterMapper * iface,
CLSID clsFilter,
LPCWSTR szName,
CLSID clsMajorType,
CLSID clsSubType)
{
HRESULT hr;
LONG lRet;
LPWSTR wszClsid = NULL;
LPWSTR wszClsidMajorType = NULL;
LPWSTR wszClsidSubType = NULL;
HKEY hKey = NULL;
WCHAR * wszTypesKey;
WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
TRACE("(%p)->(%s, %s, %s, %s)\n", iface, debugstr_guid(&clsFilter), debugstr_w(szName),
debugstr_guid(&clsMajorType), debugstr_guid(&clsSubType));
hr = StringFromCLSID(&clsFilter, &wszClsid);
if (SUCCEEDED(hr))
{
hr = StringFromCLSID(&clsMajorType, &wszClsidMajorType);
}
if (SUCCEEDED(hr))
{
hr = StringFromCLSID(&clsSubType, &wszClsidSubType);
}
if (SUCCEEDED(hr))
{
wszTypesKey = CoTaskMemAlloc((strlenW(wszClsidSlash) + strlenW(wszClsid) + strlenW(wszPins) +
strlenW(szName) + strlenW(wszTypes) + 3 + 1) * 2);
if (!wszTypesKey)
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hr))
{
strcpyW(wszTypesKey, wszClsidSlash);
strcatW(wszTypesKey, wszClsid);
strcatW(wszTypesKey, wszSlash);
strcatW(wszTypesKey, wszPins);
strcatW(wszTypesKey, wszSlash);
strcatW(wszTypesKey, szName);
strcatW(wszTypesKey, wszSlash);
strcatW(wszTypesKey, wszTypes);
lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszTypesKey, 0, KEY_WRITE, &hKey);
hr = HRESULT_FROM_WIN32(lRet);
CoTaskMemFree(wszTypesKey);
}
if (SUCCEEDED(hr))
{
strcpyW(wszKeyName, wszClsidMajorType);
strcatW(wszKeyName, wszSlash);
strcatW(wszKeyName, wszClsidSubType);
lRet = RegCreateKeyExW(hKey, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, NULL, NULL);
hr = HRESULT_FROM_WIN32(lRet);
CloseHandle(hKey);
}
CoTaskMemFree(wszClsid);
CoTaskMemFree(wszClsidMajorType);
CoTaskMemFree(wszClsidSubType);
return hr;
}
static HRESULT WINAPI FilterMapper_UnregisterFilter(IFilterMapper * iface, CLSID Filter)
{
HRESULT hr;
LONG lRet;
LPWSTR wszClsid = NULL;
HKEY hKey;
WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
TRACE("(%p)->(%s)\n", iface, debugstr_guid(&Filter));
hr = StringFromCLSID(&Filter, &wszClsid);
if (SUCCEEDED(hr))
{
lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszFilter, 0, KEY_WRITE, &hKey);
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegDeleteKeyW(hKey, wszClsid);
hr = HRESULT_FROM_WIN32(lRet);
CloseHandle(hKey);
}
if (SUCCEEDED(hr))
{
strcpyW(wszKeyName, wszClsidSlash);
strcatW(wszKeyName, wszClsid);
lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey);
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
lRet = RegDeleteKeyW(hKey, wszMeritName);
hr = HRESULT_FROM_WIN32(lRet);
CloseHandle(hKey);
}
CoTaskMemFree(wszClsid);
return hr;
}
static HRESULT WINAPI FilterMapper_UnregisterFilterInstance(IFilterMapper * iface, CLSID MRId)
{
TRACE("(%p)->(%s)\n", iface, debugstr_guid(&MRId));
/* Not implemented in Windows (tested on Win2k) */
return E_NOTIMPL;
}
static HRESULT WINAPI FilterMapper_UnregisterPin(IFilterMapper * iface, CLSID Filter, LPCWSTR Name)
{
HRESULT hr;
LONG lRet;
LPWSTR wszClsid = NULL;
HKEY hKey = NULL;
WCHAR * wszPinNameKey;
WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
TRACE("(%p)->(%s, %s)\n", iface, debugstr_guid(&Filter), debugstr_w(Name));
if (!Name)
return E_INVALIDARG;
hr = StringFromCLSID(&Filter, &wszClsid);
if (SUCCEEDED(hr))
{
strcpyW(wszKeyName, wszClsidSlash);
strcatW(wszKeyName, wszClsid);
lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey);
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
wszPinNameKey = CoTaskMemAlloc((strlenW(wszPins) + 1 + strlenW(Name) + 1) * 2);
if (!wszPinNameKey)
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hr))
{
strcpyW(wszPinNameKey, wszPins);
strcatW(wszPinNameKey, wszSlash);
strcatW(wszPinNameKey, Name);
lRet = RegDeleteKeyW(hKey, wszPinNameKey);
hr = HRESULT_FROM_WIN32(lRet);
CoTaskMemFree(wszPinNameKey);
}
CoTaskMemFree(wszClsid);
if (hKey)
CloseHandle(hKey);
return hr;
}
static const IFilterMapperVtbl fmvtbl =
{
FilterMapper_QueryInterface,
FilterMapper_AddRef,
FilterMapper_Release,
FilterMapper_RegisterFilter,
FilterMapper_RegisterFilterInstance,
FilterMapper_RegisterPin,
FilterMapper_RegisterPinType,
FilterMapper_UnregisterFilter,
FilterMapper_UnregisterFilterInstance,
FilterMapper_UnregisterPin,
FilterMapper_EnumMatchingFilters
};
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