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Sweden-Number/dlls/quartz/filtermapper.c

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/*
* IFilterMapper & IFilterMapper3 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"
#include "ole2.h"
#include "olectl.h"
#include "strmif.h"
#include "uuids.h"
#include "initguid.h"
#include "wine/fil_data.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
typedef struct FilterMapper3Impl
{
IUnknown IUnknown_inner;
IFilterMapper3 IFilterMapper3_iface;
IFilterMapper IFilterMapper_iface;
IAMFilterData IAMFilterData_iface;
IUnknown *outer_unk;
LONG ref;
} FilterMapper3Impl;
static inline FilterMapper3Impl *impl_from_IFilterMapper3( IFilterMapper3 *iface )
{
return CONTAINING_RECORD(iface, FilterMapper3Impl, IFilterMapper3_iface);
}
static inline FilterMapper3Impl *impl_from_IFilterMapper( IFilterMapper *iface )
{
return CONTAINING_RECORD(iface, FilterMapper3Impl, IFilterMapper_iface);
}
static inline FilterMapper3Impl *impl_from_IAMFilterData( IAMFilterData *iface )
{
return CONTAINING_RECORD(iface, FilterMapper3Impl, IAMFilterData_iface);
}
static inline FilterMapper3Impl *impl_from_IUnknown( IUnknown *iface )
{
return CONTAINING_RECORD(iface, FilterMapper3Impl, IUnknown_inner);
}
/* 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 void *pData, int size)
{
int index = v->current;
if (v->current + size > v->capacity)
{
int new_capacity = (v->capacity + size) * 2;
BYTE *new_data = CoTaskMemRealloc(v->pData, new_capacity);
if (!new_data) return -1;
v->capacity = new_capacity;
v->pData = new_data;
}
memcpy(v->pData + v->current, pData, size);
v->current += size;
return index;
}
static int find_data(const struct Vector *v, const void *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;
}
/*** IUnknown (inner) methods ***/
static HRESULT WINAPI Inner_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
{
FilterMapper3Impl *This = impl_from_IUnknown(iface);
TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown))
*ppv = &This->IUnknown_inner;
else if (IsEqualIID(riid, &IID_IFilterMapper2) || IsEqualIID(riid, &IID_IFilterMapper3))
*ppv = &This->IFilterMapper3_iface;
else if (IsEqualIID(riid, &IID_IFilterMapper))
*ppv = &This->IFilterMapper_iface;
else if (IsEqualIID(riid, &IID_IAMFilterData))
*ppv = &This->IAMFilterData_iface;
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 Inner_AddRef(IUnknown *iface)
{
FilterMapper3Impl *This = impl_from_IUnknown(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(): new ref = %d\n", This, ref);
return ref;
}
static ULONG WINAPI Inner_Release(IUnknown *iface)
{
FilterMapper3Impl *This = impl_from_IUnknown(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(): new ref = %d\n", This, ref);
if (ref == 0)
{
CoTaskMemFree(This);
InterlockedDecrement(&object_locks);
}
return ref;
}
static const IUnknownVtbl IInner_VTable =
{
Inner_QueryInterface,
Inner_AddRef,
Inner_Release
};
static HRESULT WINAPI FilterMapper3_QueryInterface(IFilterMapper3 * iface, REFIID riid, LPVOID *ppv)
{
FilterMapper3Impl *This = impl_from_IFilterMapper3(iface);
return IUnknown_QueryInterface(This->outer_unk, riid, ppv);
}
static ULONG WINAPI FilterMapper3_AddRef(IFilterMapper3 * iface)
{
FilterMapper3Impl *This = impl_from_IFilterMapper3(iface);
return IUnknown_AddRef(This->outer_unk);
}
static ULONG WINAPI FilterMapper3_Release(IFilterMapper3 * iface)
{
FilterMapper3Impl *This = impl_from_IFilterMapper3(iface);
return IUnknown_Release(This->outer_unk);
}
/*** IFilterMapper3 methods ***/
static HRESULT WINAPI FilterMapper3_CreateCategory(IFilterMapper3 *iface,
REFCLSID category, DWORD merit, const WCHAR *description)
{
WCHAR guidstr[39], keypath[93];
HKEY key;
LONG ret;
TRACE("iface %p, category %s, merit %#x, description %s.\n", iface,
debugstr_guid(category), merit, debugstr_w(description));
StringFromGUID2(category, guidstr, ARRAY_SIZE(guidstr));
wcscpy(keypath, L"CLSID\\{da4e3da0-d07d-11d0-bd50-00a0c911ce86}\\Instance\\");
wcscat(keypath, guidstr);
if ((ret = RegCreateKeyExW(HKEY_CLASSES_ROOT, keypath, 0, NULL, 0, KEY_WRITE, NULL, &key, NULL)))
return HRESULT_FROM_WIN32(ret);
if ((ret = RegSetValueExW(key, L"FriendlyName", 0, REG_SZ,
(const BYTE *)description, (wcslen(description) + 1) * sizeof(WCHAR))))
{
RegCloseKey(key);
return HRESULT_FROM_WIN32(ret);
}
if ((ret = RegSetValueExW(key, L"CLSID", 0, REG_SZ, (const BYTE *)guidstr, sizeof(guidstr))))
{
RegCloseKey(key);
return HRESULT_FROM_WIN32(ret);
}
if ((ret = RegSetValueExW(key, L"Merit", 0, REG_DWORD, (const BYTE *)&merit, sizeof(DWORD))))
{
RegCloseKey(key);
return HRESULT_FROM_WIN32(ret);
}
RegCloseKey(key);
return S_OK;
}
static HRESULT WINAPI FilterMapper3_UnregisterFilter(IFilterMapper3 *iface,
const CLSID *category, const WCHAR *instance, REFCLSID clsid)
{
WCHAR keypath[93];
TRACE("iface %p, category %s, instance %s, clsid %s.\n",
iface, debugstr_guid(category), debugstr_w(instance), debugstr_guid(clsid));
if (!category)
category = &CLSID_LegacyAmFilterCategory;
wcscpy(keypath, L"CLSID\\");
StringFromGUID2(category, keypath + wcslen(keypath), ARRAY_SIZE(keypath) - wcslen(keypath));
wcscat(keypath, L"\\Instance\\");
if (instance)
wcscat(keypath, instance);
else
StringFromGUID2(clsid, keypath + wcslen(keypath), ARRAY_SIZE(keypath) - wcslen(keypath));
return HRESULT_FROM_WIN32(RegDeleteKeyW(HKEY_CLASSES_ROOT, keypath));
}
static HRESULT FM2_WriteFilterData(const REGFILTER2 * prf2, BYTE **ppData, ULONG *pcbData)
{
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;
HRESULT hr = S_OK;
rrf.dwVersion = prf2->dwVersion;
rrf.dwMerit = prf2->dwMerit;
rrf.dwPins = prf2->u.s2.cPins2;
rrf.dwUnused = 0;
add_data(&mainStore, &rrf, sizeof(rrf));
for (i = 0; i < prf2->u.s2.cPins2; i++)
{
size += sizeof(struct REG_RFP);
if (prf2->u.s2.rgPins2[i].clsPinCategory)
size += sizeof(DWORD);
size += prf2->u.s2.rgPins2[i].nMediaTypes * sizeof(struct REG_TYPE);
size += prf2->u.s2.rgPins2[i].nMediums * sizeof(DWORD);
}
for (i = 0; i < prf2->u.s2.cPins2; i++)
{
struct REG_RFP rrfp;
REGFILTERPINS2 rgPin2 = prf2->u.s2.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, &rrfp, sizeof(rrfp));
if (rrfp.bCategory)
{
DWORD index = find_data(&clsidStore, rgPin2.clsPinCategory, sizeof(CLSID));
if (index == -1)
index = add_data(&clsidStore, rgPin2.clsPinCategory, sizeof(CLSID));
index += size;
add_data(&mainStore, &index, sizeof(index));
}
for (j = 0; j < rgPin2.nMediaTypes; j++)
{
struct REG_TYPE rt;
const CLSID * clsMinorType = rgPin2.lpMediaType[j].clsMinorType ? rgPin2.lpMediaType[j].clsMinorType : &MEDIASUBTYPE_NULL;
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, rgPin2.lpMediaType[j].clsMajorType, sizeof(CLSID));
if (rt.dwOffsetMajor == -1)
rt.dwOffsetMajor = add_data(&clsidStore, rgPin2.lpMediaType[j].clsMajorType, sizeof(CLSID));
rt.dwOffsetMajor += size;
rt.dwOffsetMinor = find_data(&clsidStore, clsMinorType, sizeof(CLSID));
if (rt.dwOffsetMinor == -1)
rt.dwOffsetMinor = add_data(&clsidStore, clsMinorType, sizeof(CLSID));
rt.dwOffsetMinor += size;
add_data(&mainStore, &rt, sizeof(rt));
}
for (j = 0; j < rgPin2.nMediums; j++)
{
DWORD index = find_data(&clsidStore, rgPin2.lpMedium + j, sizeof(REGPINMEDIUM));
if (index == -1)
index = add_data(&clsidStore, rgPin2.lpMedium + j, sizeof(REGPINMEDIUM));
index += size;
add_data(&mainStore, &index, sizeof(index));
}
}
if (SUCCEEDED(hr))
{
*pcbData = mainStore.current + clsidStore.current;
*ppData = CoTaskMemAlloc(*pcbData);
if (!*ppData)
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hr))
{
memcpy(*ppData, mainStore.pData, mainStore.current);
memcpy((*ppData) + mainStore.current, clsidStore.pData, clsidStore.current);
}
delete_vector(&mainStore);
delete_vector(&clsidStore);
return hr;
}
static HRESULT FM2_ReadFilterData(BYTE *pData, REGFILTER2 * prf2)
{
HRESULT hr = S_OK;
struct REG_RF * prrf;
LPBYTE pCurrent;
DWORD i;
REGFILTERPINS2 * rgPins2;
prrf = (struct REG_RF *)pData;
pCurrent = pData;
if (prrf->dwVersion != 2)
{
FIXME("Filter registry version %d not supported\n", prrf->dwVersion);
ZeroMemory(prf2, sizeof(*prf2));
hr = E_FAIL;
}
if (SUCCEEDED(hr))
{
TRACE("version = %d, merit = %x, #pins = %d, unused = %x\n",
prrf->dwVersion, prrf->dwMerit, prrf->dwPins, prrf->dwUnused);
prf2->dwVersion = prrf->dwVersion;
prf2->dwMerit = prrf->dwMerit;
prf2->u.s2.cPins2 = prrf->dwPins;
rgPins2 = CoTaskMemAlloc(prrf->dwPins * sizeof(*rgPins2));
prf2->u.s2.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[%d]: flags = %x, instances = %d, media types = %d, mediums = %d\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);
}
}
}
return hr;
}
static void FM2_DeleteRegFilter(REGFILTER2 * prf2)
{
UINT i;
for (i = 0; i < prf2->u.s2.cPins2; i++)
{
UINT j;
CoTaskMemFree((void*)prf2->u.s2.rgPins2[i].clsPinCategory);
for (j = 0; j < prf2->u.s2.rgPins2[i].nMediaTypes; j++)
{
CoTaskMemFree((LPVOID)prf2->u.s2.rgPins2[i].lpMediaType[j].clsMajorType);
CoTaskMemFree((LPVOID)prf2->u.s2.rgPins2[i].lpMediaType[j].clsMinorType);
}
CoTaskMemFree((LPVOID)prf2->u.s2.rgPins2[i].lpMediaType);
CoTaskMemFree((LPVOID)prf2->u.s2.rgPins2[i].lpMedium);
}
CoTaskMemFree((LPVOID)prf2->u.s2.rgPins2);
}
static HRESULT WINAPI FilterMapper3_RegisterFilter(IFilterMapper3 *iface,
REFCLSID clsid, const WCHAR *name, IMoniker **ret_moniker,
const CLSID *category, const WCHAR *instance, const REGFILTER2 *prf2)
{
WCHAR *display_name, clsid_string[39];
IParseDisplayName *parser;
IPropertyBag *prop_bag;
ULONG filter_data_len;
IMoniker *moniker;
BYTE *filter_data;
VARIANT var;
ULONG eaten;
HRESULT hr;
size_t len;
REGFILTER2 regfilter2;
REGFILTERPINS2* pregfp2 = NULL;
TRACE("iface %p, clsid %s, name %s, ret_moniker %p, category %s, instance %s, prf2 %p.\n",
iface, debugstr_guid(clsid), debugstr_w(name), ret_moniker,
debugstr_guid(category), debugstr_w(instance), 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.s2.cPins2 = prf2->u.s1.cPins;
pregfp2 = CoTaskMemAlloc(prf2->u.s1.cPins * sizeof(REGFILTERPINS2));
regfilter2.u.s2.rgPins2 = pregfp2;
for (i = 0; i < prf2->u.s1.cPins; i++)
{
flags = 0;
if (prf2->u.s1.rgPins[i].bRendered)
flags |= REG_PINFLAG_B_RENDERER;
if (prf2->u.s1.rgPins[i].bOutput)
flags |= REG_PINFLAG_B_OUTPUT;
if (prf2->u.s1.rgPins[i].bZero)
flags |= REG_PINFLAG_B_ZERO;
if (prf2->u.s1.rgPins[i].bMany)
flags |= REG_PINFLAG_B_MANY;
pregfp2[i].dwFlags = flags;
pregfp2[i].cInstances = 1;
pregfp2[i].nMediaTypes = prf2->u.s1.rgPins[i].nMediaTypes;
pregfp2[i].lpMediaType = prf2->u.s1.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 (ret_moniker)
*ret_moniker = NULL;
if (!category)
category = &CLSID_LegacyAmFilterCategory;
StringFromGUID2(clsid, clsid_string, ARRAY_SIZE(clsid_string));
len = 50 + (instance ? wcslen(instance) : 38) + 1;
if (!(display_name = malloc(len * sizeof(WCHAR))))
return E_OUTOFMEMORY;
wcscpy(display_name, L"@device:sw:");
StringFromGUID2(category, display_name + wcslen(display_name), len - wcslen(display_name));
wcscat(display_name, L"\\");
wcscat(display_name, instance ? instance : clsid_string);
if (FAILED(hr = CoCreateInstance(&CLSID_CDeviceMoniker, NULL, CLSCTX_INPROC,
&IID_IParseDisplayName, (void **)&parser)))
return hr;
if (FAILED(hr = IParseDisplayName_ParseDisplayName(parser, NULL, display_name, &eaten, &moniker)))
{
ERR("Failed to parse display name, hr %#x.\n", hr);
IParseDisplayName_Release(parser);
return hr;
}
IParseDisplayName_Release(parser);
if (FAILED(hr = IMoniker_BindToStorage(moniker, NULL, NULL, &IID_IPropertyBag, (void **)&prop_bag)))
{
ERR("Failed to get property bag, hr %#x.\n", hr);
IMoniker_Release(moniker);
return hr;
}
V_VT(&var) = VT_BSTR;
V_BSTR(&var) = SysAllocString(name);
if (FAILED(hr = IPropertyBag_Write(prop_bag, L"FriendlyName", &var)))
ERR("Failed to write friendly name, hr %#x.\n", hr);
VariantClear(&var);
V_VT(&var) = VT_BSTR;
V_BSTR(&var) = SysAllocString(clsid_string);
if (FAILED(hr = IPropertyBag_Write(prop_bag, L"CLSID", &var)))
ERR("Failed to write class ID, hr %#x.\n", hr);
VariantClear(&var);
if (SUCCEEDED(FM2_WriteFilterData(&regfilter2, &filter_data, &filter_data_len)))
{
V_VT(&var) = VT_ARRAY | VT_UI1;
if ((V_ARRAY(&var) = SafeArrayCreateVector(VT_UI1, 0, filter_data_len)))
{
memcpy(V_ARRAY(&var)->pvData, filter_data, filter_data_len);
if (FAILED(hr = IPropertyBag_Write(prop_bag, L"FilterData", &var)))
ERR("Failed to write filter data, hr %#x.\n", hr);
VariantClear(&var);
}
CoTaskMemFree(filter_data);
}
IPropertyBag_Release(prop_bag);
free(display_name);
if (ret_moniker)
*ret_moniker = moniker;
else
IMoniker_Release(moniker);
CoTaskMemFree(pregfp2);
return S_OK;
}
/* 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 __cdecl mm_compare(const void * left, const void * right)
{
const struct MONIKER_MERIT * mmLeft = left;
const struct MONIKER_MERIT * mmRight = 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 FilterMapper3_EnumMatchingFilters(
IFilterMapper3 * 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, %x, %s, %x, %s, %d, %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 = %x not implemented\n", dwFlags);
}
*ppEnum = NULL;
hr = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, &IID_ICreateDevEnum, (LPVOID*)&pCreateDevEnum);
if (FAILED(hr))
return hr;
hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &CLSID_ActiveMovieCategories, &pEnumCat, 0);
if (FAILED(hr)) {
ICreateDevEnum_Release(pCreateDevEnum);
return hr;
}
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, L"Merit", &var, NULL);
if (SUCCEEDED(hrSub) && (V_UI4(&var) >= dwMerit))
{
CLSID clsidCat;
IEnumMoniker * pEnum;
IMoniker * pMoniker;
VariantClear(&var);
if (TRACE_ON(quartz))
{
VARIANT temp;
V_VT(&temp) = VT_EMPTY;
IPropertyBag_Read(pPropBagCat, L"FriendlyName", &temp, NULL);
TRACE("Considering category %s\n", debugstr_w(V_BSTR(&temp)));
VariantClear(&temp);
}
hrSub = IPropertyBag_Read(pPropBagCat, L"CLSID", &var, NULL);
if (SUCCEEDED(hrSub))
hrSub = CLSIDFromString(V_BSTR(&var), &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;
VARIANT var;
BYTE *pData = NULL;
REGFILTER2 rf2;
DWORD i;
BOOL bInputMatch = !bInputNeeded;
BOOL bOutputMatch = !bOutputNeeded;
ZeroMemory(&rf2, sizeof(rf2));
VariantInit(&var);
hrSub = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBag);
if (TRACE_ON(quartz))
{
VARIANT temp;
V_VT(&temp) = VT_EMPTY;
IPropertyBag_Read(pPropBag, L"FriendlyName", &temp, NULL);
TRACE("Considering filter %s\n", debugstr_w(V_BSTR(&temp)));
VariantClear(&temp);
}
if (SUCCEEDED(hrSub))
{
hrSub = IPropertyBag_Read(pPropBag, L"FilterData", &var, NULL);
}
if (SUCCEEDED(hrSub))
hrSub = SafeArrayAccessData(V_ARRAY(&var), (LPVOID*)&pData);
if (SUCCEEDED(hrSub))
hrSub = FM2_ReadFilterData(pData, &rf2);
if (pData)
SafeArrayUnaccessData(V_ARRAY(&var));
VariantClear(&var);
/* 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.s2.cPins2) && (!bInputMatch || !bOutputMatch); i++)
{
const REGFILTERPINS2 * rfp2 = rf2.u.s2.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, &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 HRESULT WINAPI FilterMapper3_GetICreateDevEnum(IFilterMapper3 *iface, ICreateDevEnum **ppEnum)
{
TRACE("(%p, %p)\n", iface, ppEnum);
if (!ppEnum)
return E_POINTER;
return CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, &IID_ICreateDevEnum, (void**)ppEnum);
}
static const IFilterMapper3Vtbl fm3vtbl =
{
FilterMapper3_QueryInterface,
FilterMapper3_AddRef,
FilterMapper3_Release,
FilterMapper3_CreateCategory,
FilterMapper3_UnregisterFilter,
FilterMapper3_RegisterFilter,
FilterMapper3_EnumMatchingFilters,
FilterMapper3_GetICreateDevEnum
};
/*** IUnknown methods ***/
static HRESULT WINAPI FilterMapper_QueryInterface(IFilterMapper * iface, REFIID riid, LPVOID *ppv)
{
FilterMapper3Impl *This = impl_from_IFilterMapper(iface);
TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
return FilterMapper3_QueryInterface(&This->IFilterMapper3_iface, riid, ppv);
}
static ULONG WINAPI FilterMapper_AddRef(IFilterMapper * iface)
{
FilterMapper3Impl *This = impl_from_IFilterMapper(iface);
return IUnknown_AddRef(This->outer_unk);
}
static ULONG WINAPI FilterMapper_Release(IFilterMapper * iface)
{
FilterMapper3Impl *This = impl_from_IFilterMapper(iface);
return IUnknown_Release(This->outer_unk);
}
/*** 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)
{
FilterMapper3Impl *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, %x, %s, %s, %s, %s, %s, %s, %s)\n",
This,
iface,
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;
*ppEnum = NULL;
hr = IFilterMapper3_EnumMatchingFilters(&This->IFilterMapper3_iface, &ppEnumMoniker, 0, TRUE,
dwMerit, bInputNeeded, 1, InputType, NULL, &GUID_NULL, bRender, bOutputNeeded, 1,
OutputType, NULL, &GUID_NULL);
if (FAILED(hr))
return hr;
while(IEnumMoniker_Next(ppEnumMoniker, 1, &IMon, &nb) == S_OK)
{
IMoniker_Release(IMon);
nb_mon++;
}
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;
}
ZeroMemory(regfilters, nb_mon * sizeof(REGFILTER)); /* will prevent bad free of Name in case of error. */
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);
hrSub = IMoniker_BindToStorage(IMon, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBagCat);
if (SUCCEEDED(hrSub))
hrSub = IPropertyBag_Read(pPropBagCat, L"CLSID", &var, NULL);
if (SUCCEEDED(hrSub))
hrSub = CLSIDFromString(V_BSTR(&var), &clsid);
VariantClear(&var);
if (SUCCEEDED(hrSub))
hrSub = IPropertyBag_Read(pPropBagCat, L"FriendlyName", &var, NULL);
if (SUCCEEDED(hrSub))
{
len = (wcslen(V_BSTR(&var)) + 1) * sizeof(WCHAR);
if (!(regfilters[idx].Name = CoTaskMemAlloc(len*2)))
hr = E_OUTOFMEMORY;
}
if (SUCCEEDED(hrSub) && regfilters[idx].Name)
{
memcpy(regfilters[idx].Name, V_BSTR(&var), len);
regfilters[idx].Clsid = clsid;
idx++;
}
if (pPropBagCat)
IPropertyBag_Release(pPropBagCat);
IMoniker_Release(IMon);
VariantClear(&var);
}
if (SUCCEEDED(hr))
{
hr = IEnumRegFiltersImpl_Construct(regfilters, idx, ppEnum);
}
for (idx = 0; idx < nb_mon; idx++)
CoTaskMemFree(regfilters[idx].Name);
CoTaskMemFree(regfilters);
IEnumMoniker_Release(ppEnumMoniker);
return hr;
}
static HRESULT WINAPI FilterMapper_RegisterFilter(IFilterMapper * iface,
CLSID clsid, const WCHAR *name, DWORD merit)
{
WCHAR keypath[46], guidstr[39];
HKEY key;
LONG ret;
TRACE("iface %p, clsid %s, name %s, merit %#x.\n",
iface, debugstr_guid(&clsid), debugstr_w(name), merit);
StringFromGUID2(&clsid, guidstr, ARRAY_SIZE(guidstr));
wcscpy(keypath, L"Filter\\");
wcscat(keypath, guidstr);
if ((ret = RegCreateKeyExW(HKEY_CLASSES_ROOT, keypath, 0, NULL, 0, KEY_WRITE, NULL, &key, NULL)))
return HRESULT_FROM_WIN32(ret);
if ((ret = RegSetValueExW(key, NULL, 0, REG_SZ, (const BYTE *)name, (wcslen(name) + 1) * sizeof(WCHAR))))
ERR("Failed to set filter name, error %u.\n", ret);
RegCloseKey(key);
wcscpy(keypath, L"CLSID\\");
wcscat(keypath, guidstr);
if (!(ret = RegCreateKeyExW(HKEY_CLASSES_ROOT, keypath, 0, NULL, 0, KEY_WRITE, NULL, &key, NULL)))
{
if ((ret = RegSetValueExW(key, L"Merit", 0, REG_DWORD, (const BYTE *)&merit, sizeof(DWORD))))
ERR("Failed to set merit, error %u.\n", ret);
RegCloseKey(key);
}
else
ERR("Failed to create CLSID key, error %u.\n", ret);
return S_OK;
}
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 clsid,
const WCHAR *name, BOOL rendered, BOOL output, BOOL zero, BOOL many,
CLSID external_filter, const WCHAR *external_pin)
{
WCHAR keypath[6 + 38 + 1], *pin_keypath;
HKEY key, pin_key, type_key;
LONG ret;
TRACE("iface %p, clsid %s, name %s, rendered %d, output %d, zero %d, "
"many %d, external_filter %s, external_pin %s.\n",
iface, debugstr_guid(&clsid), debugstr_w(name), rendered, output,
zero, many, debugstr_guid(&external_filter), debugstr_w(external_pin));
wcscpy(keypath, L"CLSID\\");
StringFromGUID2(&clsid, keypath + wcslen(keypath), ARRAY_SIZE(keypath) - wcslen(keypath));
if ((ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, keypath, 0, KEY_WRITE, &key)))
return HRESULT_FROM_WIN32(ret);
if (!(pin_keypath = malloc((5 + wcslen(name) + 1) * sizeof(WCHAR))))
{
RegCloseKey(key);
return E_OUTOFMEMORY;
}
wcscpy(pin_keypath, L"Pins\\");
wcscat(pin_keypath, name);
if ((ret = RegCreateKeyExW(key, pin_keypath, 0, NULL, 0, KEY_WRITE, NULL, &pin_key, NULL)))
{
ERR("Failed to open pin key, error %u.\n", ret);
free(pin_keypath);
RegCloseKey(key);
return HRESULT_FROM_WIN32(ret);
}
free(pin_keypath);
if ((ret = RegSetValueExW(pin_key, L"AllowedMany", 0, REG_DWORD, (const BYTE *)&many, sizeof(DWORD))))
ERR("Failed to set AllowedMany value, error %u.\n", ret);
if ((ret = RegSetValueExW(pin_key, L"AllowedZero", 0, REG_DWORD, (const BYTE *)&zero, sizeof(DWORD))))
ERR("Failed to set AllowedZero value, error %u.\n", ret);
if ((ret = RegSetValueExW(pin_key, L"Direction", 0, REG_DWORD, (const BYTE *)&output, sizeof(DWORD))))
ERR("Failed to set Direction value, error %u.\n", ret);
if ((ret = RegSetValueExW(pin_key, L"IsRendered", 0, REG_DWORD, (const BYTE *)&rendered, sizeof(DWORD))))
ERR("Failed to set IsRendered value, error %u.\n", ret);
if (!(ret = RegCreateKeyExW(pin_key, L"Types", 0, NULL, 0, 0, NULL, &type_key, NULL)))
RegCloseKey(type_key);
else
ERR("Failed to create Types subkey, error %u.\n", ret);
RegCloseKey(pin_key);
RegCloseKey(key);
return S_OK;
}
static HRESULT WINAPI FilterMapper_RegisterPinType(IFilterMapper *iface,
CLSID clsid, const WCHAR *pin, CLSID majortype, CLSID subtype)
{
WCHAR *keypath, type_keypath[38 + 1 + 38 + 1];
HKEY key, type_key;
size_t len;
LONG ret;
TRACE("iface %p, clsid %s, pin %s, majortype %s, subtype %s.\n", iface,
debugstr_guid(&clsid), debugstr_w(pin), debugstr_guid(&majortype), debugstr_guid(&subtype));
len = 6 + 38 + 6 + wcslen(pin) + 6 + 1;
if (!(keypath = malloc(len * sizeof(WCHAR))))
return E_OUTOFMEMORY;
wcscpy(keypath, L"CLSID\\");
StringFromGUID2(&clsid, keypath + wcslen(keypath), len - wcslen(keypath));
wcscat(keypath, L"\\Pins\\");
wcscat(keypath, pin);
wcscat(keypath, L"\\Types");
if ((ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, keypath, 0, KEY_CREATE_SUB_KEY, &key)))
{
free(keypath);
return HRESULT_FROM_WIN32(ret);
}
free(keypath);
StringFromGUID2(&majortype, type_keypath, ARRAY_SIZE(type_keypath));
wcscat(type_keypath, L"\\");
StringFromGUID2(&subtype, type_keypath + wcslen(type_keypath), ARRAY_SIZE(type_keypath) - wcslen(type_keypath));
if (!(ret = RegCreateKeyExW(key, type_keypath, 0, NULL, 0, 0, NULL, &type_key, NULL)))
RegCloseKey(type_key);
else
ERR("Failed to create type key, error %u.\n", ret);
RegCloseKey(key);
return HRESULT_FROM_WIN32(ret);
}
static HRESULT WINAPI FilterMapper_UnregisterFilter(IFilterMapper *iface, CLSID clsid)
{
WCHAR guidstr[39], keypath[6 + 38 + 1];
LONG ret;
HKEY key;
TRACE("iface %p, clsid %s.\n", iface, debugstr_guid(&clsid));
StringFromGUID2(&clsid, guidstr, ARRAY_SIZE(guidstr));
if ((ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Filter", 0, 0, &key)))
return HRESULT_FROM_WIN32(ret);
if ((ret = RegDeleteKeyW(key, guidstr)))
ERR("Failed to delete filter key, error %u.\n", ret);
RegCloseKey(key);
wcscpy(keypath, L"CLSID\\");
wcscat(keypath, guidstr);
if (!(ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, keypath, 0, KEY_WRITE, &key)))
{
if ((ret = RegDeleteValueW(key, L"Merit")))
ERR("Failed to delete Merit value, error %u.\n", ret);
if ((ret = RegDeleteTreeW(key, L"Pins")))
ERR("Failed to delete Pins key, error %u.\n", ret);
RegCloseKey(key);
}
else
ERR("Failed to open CLSID key, error %u.\n", ret);
return S_OK;
}
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 clsid, const WCHAR *name)
{
WCHAR keypath[6 + 38 + 5 + 1];
LONG ret;
HKEY key;
TRACE("iface %p, clsid %s, name %s.\n", iface, debugstr_guid(&clsid), debugstr_w(name));
if (!name)
return E_INVALIDARG;
wcscpy(keypath, L"CLSID\\");
StringFromGUID2(&clsid, keypath + wcslen(keypath), ARRAY_SIZE(keypath) - wcslen(keypath));
wcscat(keypath, L"\\Pins");
if ((ret = RegOpenKeyExW(HKEY_CLASSES_ROOT, keypath, 0, 0, &key)))
return HRESULT_FROM_WIN32(ret);
if ((ret = RegDeleteTreeW(key, name)))
ERR("Failed to delete subkey, error %u.\n", ret);
RegCloseKey(key);
return S_OK;
}
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
};
/*** IUnknown methods ***/
static HRESULT WINAPI AMFilterData_QueryInterface(IAMFilterData * iface, REFIID riid, LPVOID *ppv)
{
FilterMapper3Impl *This = impl_from_IAMFilterData(iface);
return IUnknown_QueryInterface(This->outer_unk, riid, ppv);
}
static ULONG WINAPI AMFilterData_AddRef(IAMFilterData * iface)
{
FilterMapper3Impl *This = impl_from_IAMFilterData(iface);
return IUnknown_AddRef(This->outer_unk);
}
static ULONG WINAPI AMFilterData_Release(IAMFilterData * iface)
{
FilterMapper3Impl *This = impl_from_IAMFilterData(iface);
return IUnknown_Release(This->outer_unk);
}
/*** IAMFilterData methods ***/
static HRESULT WINAPI AMFilterData_ParseFilterData(IAMFilterData* iface,
BYTE *pData, ULONG cb,
BYTE **ppRegFilter2)
{
FilterMapper3Impl *This = impl_from_IAMFilterData(iface);
HRESULT hr = S_OK;
static REGFILTER2 *prf2;
TRACE("(%p/%p)->(%p, %d, %p)\n", This, iface, pData, cb, ppRegFilter2);
prf2 = CoTaskMemAlloc(sizeof(*prf2));
if (!prf2)
return E_OUTOFMEMORY;
*ppRegFilter2 = (BYTE *)&prf2;
hr = FM2_ReadFilterData(pData, prf2);
if (FAILED(hr))
{
CoTaskMemFree(prf2);
*ppRegFilter2 = NULL;
}
return hr;
}
static HRESULT WINAPI AMFilterData_CreateFilterData(IAMFilterData* iface,
REGFILTER2 *prf2,
BYTE **pRegFilterData,
ULONG *pcb)
{
FilterMapper3Impl *This = impl_from_IAMFilterData(iface);
TRACE("(%p/%p)->(%p, %p, %p)\n", This, iface, prf2, pRegFilterData, pcb);
return FM2_WriteFilterData(prf2, pRegFilterData, pcb);
}
static const IAMFilterDataVtbl AMFilterDataVtbl = {
AMFilterData_QueryInterface,
AMFilterData_AddRef,
AMFilterData_Release,
AMFilterData_ParseFilterData,
AMFilterData_CreateFilterData
};
HRESULT filter_mapper_create(IUnknown *pUnkOuter, IUnknown **out)
{
FilterMapper3Impl * pFM2impl;
pFM2impl = CoTaskMemAlloc(sizeof(*pFM2impl));
if (!pFM2impl)
return E_OUTOFMEMORY;
pFM2impl->IUnknown_inner.lpVtbl = &IInner_VTable;
pFM2impl->IFilterMapper3_iface.lpVtbl = &fm3vtbl;
pFM2impl->IFilterMapper_iface.lpVtbl = &fmvtbl;
pFM2impl->IAMFilterData_iface.lpVtbl = &AMFilterDataVtbl;
pFM2impl->ref = 1;
if (pUnkOuter)
pFM2impl->outer_unk = pUnkOuter;
else
pFM2impl->outer_unk = &pFM2impl->IUnknown_inner;
TRACE("Created filter mapper %p.\n", pFM2impl);
*out = &pFM2impl->IUnknown_inner;
return S_OK;
}
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