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Sweden-Number/dlls/devenum/createdevenum.c

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/*
* ICreateDevEnum implementation for DEVENUM.dll
*
* Copyright (C) 2002 Robert Shearman
*
* 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
*
* NOTES ON THIS FILE:
* - Implements ICreateDevEnum interface which creates an IEnumMoniker
* implementation
* - Also creates the special registry keys created at run-time
*/
#define NONAMELESSSTRUCT
#define NONAMELESSUNION
#include "devenum_private.h"
#include "vfw.h"
#include "aviriff.h"
#include "dsound.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "mmddk.h"
#include "initguid.h"
#include "wine/fil_data.h"
WINE_DEFAULT_DEBUG_CHANNEL(devenum);
static HRESULT WINAPI devenum_factory_QueryInterface(ICreateDevEnum *iface, REFIID riid, void **ppv)
{
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
if (!ppv)
return E_POINTER;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_ICreateDevEnum))
{
*ppv = iface;
ICreateDevEnum_AddRef(iface);
return S_OK;
}
FIXME("- no interface IID: %s\n", debugstr_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI devenum_factory_AddRef(ICreateDevEnum *iface)
{
TRACE("\n");
return 2; /* non-heap based object */
}
static ULONG WINAPI devenum_factory_Release(ICreateDevEnum *iface)
{
TRACE("\n");
return 1; /* non-heap based object */
}
static HRESULT register_codec(const GUID *class, const WCHAR *name,
const GUID *clsid, const WCHAR *friendly_name, IPropertyBag **ret)
{
WCHAR guidstr[CHARS_IN_GUID];
IParseDisplayName *parser;
IPropertyBag *propbag;
IMoniker *mon;
WCHAR *buffer;
VARIANT var;
ULONG eaten;
HRESULT hr;
hr = CoCreateInstance(&CLSID_CDeviceMoniker, NULL, CLSCTX_INPROC, &IID_IParseDisplayName, (void **)&parser);
if (FAILED(hr))
return hr;
if (!(buffer = heap_alloc((wcslen(L"@device:cm:") + CHARS_IN_GUID + wcslen(name) + 1) * sizeof(WCHAR))))
{
IParseDisplayName_Release(parser);
return E_OUTOFMEMORY;
}
wcscpy(buffer, L"@device:cm:");
StringFromGUID2(class, buffer + wcslen(buffer), CHARS_IN_GUID);
wcscat(buffer, L"\\");
wcscat(buffer, name);
IParseDisplayName_ParseDisplayName(parser, NULL, buffer, &eaten, &mon);
IParseDisplayName_Release(parser);
heap_free(buffer);
IMoniker_BindToStorage(mon, NULL, NULL, &IID_IPropertyBag, (void **)&propbag);
IMoniker_Release(mon);
V_VT(&var) = VT_BSTR;
V_BSTR(&var) = SysAllocString(friendly_name);
hr = IPropertyBag_Write(propbag, L"FriendlyName", &var);
VariantClear(&var);
if (FAILED(hr))
{
IPropertyBag_Release(propbag);
return hr;
}
V_VT(&var) = VT_BSTR;
StringFromGUID2(clsid, guidstr, ARRAY_SIZE(guidstr));
V_BSTR(&var) = SysAllocString(guidstr);
hr = IPropertyBag_Write(propbag, L"CLSID", &var);
VariantClear(&var);
if (FAILED(hr))
{
IPropertyBag_Release(propbag);
return hr;
}
*ret = propbag;
return S_OK;
}
static void DEVENUM_ReadPinTypes(HKEY hkeyPinKey, REGFILTERPINS2 *rgPin)
{
HKEY hkeyTypes = NULL;
DWORD dwMajorTypes, i;
REGPINTYPES *lpMediaType = NULL;
DWORD dwMediaTypeSize = 0;
if (RegOpenKeyExW(hkeyPinKey, L"Types", 0, KEY_READ, &hkeyTypes) != ERROR_SUCCESS)
return ;
if (RegQueryInfoKeyW(hkeyTypes, NULL, NULL, NULL, &dwMajorTypes, NULL, NULL, NULL, NULL, NULL, NULL, NULL)
!= ERROR_SUCCESS)
{
RegCloseKey(hkeyTypes);
return ;
}
for (i = 0; i < dwMajorTypes; i++)
{
HKEY hkeyMajorType = NULL;
WCHAR wszMajorTypeName[64];
DWORD cName = ARRAY_SIZE(wszMajorTypeName);
DWORD dwMinorTypes, i1;
if (RegEnumKeyExW(hkeyTypes, i, wszMajorTypeName, &cName, NULL, NULL, NULL, NULL) != ERROR_SUCCESS) continue;
if (RegOpenKeyExW(hkeyTypes, wszMajorTypeName, 0, KEY_READ, &hkeyMajorType) != ERROR_SUCCESS) continue;
if (RegQueryInfoKeyW(hkeyMajorType, NULL, NULL, NULL, &dwMinorTypes, NULL, NULL, NULL, NULL, NULL, NULL, NULL)
!= ERROR_SUCCESS)
{
RegCloseKey(hkeyMajorType);
continue;
}
for (i1 = 0; i1 < dwMinorTypes; i1++)
{
WCHAR wszMinorTypeName[64];
CLSID *clsMajorType = NULL, *clsMinorType = NULL;
HRESULT hr;
cName = ARRAY_SIZE(wszMinorTypeName);
if (RegEnumKeyExW(hkeyMajorType, i1, wszMinorTypeName, &cName, NULL, NULL, NULL, NULL) != ERROR_SUCCESS) continue;
clsMinorType = CoTaskMemAlloc(sizeof(CLSID));
if (!clsMinorType) continue;
clsMajorType = CoTaskMemAlloc(sizeof(CLSID));
if (!clsMajorType) goto error_cleanup_types;
hr = CLSIDFromString(wszMinorTypeName, clsMinorType);
if (FAILED(hr)) goto error_cleanup_types;
hr = CLSIDFromString(wszMajorTypeName, clsMajorType);
if (FAILED(hr)) goto error_cleanup_types;
if (rgPin->nMediaTypes == dwMediaTypeSize)
{
DWORD dwNewSize = dwMediaTypeSize + (dwMediaTypeSize < 2 ? 1 : dwMediaTypeSize / 2);
REGPINTYPES *lpNewMediaType;
lpNewMediaType = CoTaskMemRealloc(lpMediaType, sizeof(REGPINTYPES) * dwNewSize);
if (!lpNewMediaType) goto error_cleanup_types;
lpMediaType = lpNewMediaType;
dwMediaTypeSize = dwNewSize;
}
lpMediaType[rgPin->nMediaTypes].clsMajorType = clsMajorType;
lpMediaType[rgPin->nMediaTypes].clsMinorType = clsMinorType;
rgPin->nMediaTypes++;
continue;
error_cleanup_types:
CoTaskMemFree(clsMajorType);
CoTaskMemFree(clsMinorType);
}
RegCloseKey(hkeyMajorType);
}
RegCloseKey(hkeyTypes);
if (lpMediaType && !rgPin->nMediaTypes)
{
CoTaskMemFree(lpMediaType);
lpMediaType = NULL;
}
rgPin->lpMediaType = lpMediaType;
}
static void DEVENUM_ReadPins(HKEY hkeyFilterClass, REGFILTER2 *rgf2)
{
HKEY hkeyPins = NULL;
DWORD dwPinsSubkeys, i;
REGFILTERPINS2 *rgPins = NULL;
rgf2->dwVersion = 2;
rgf2->cPins2 = 0;
rgf2->rgPins2 = NULL;
if (RegOpenKeyExW(hkeyFilterClass, L"Pins", 0, KEY_READ, &hkeyPins) != ERROR_SUCCESS)
return ;
if (RegQueryInfoKeyW(hkeyPins, NULL, NULL, NULL, &dwPinsSubkeys, NULL, NULL, NULL, NULL, NULL, NULL, NULL)
!= ERROR_SUCCESS)
{
RegCloseKey(hkeyPins);
return ;
}
if (dwPinsSubkeys)
{
rgPins = CoTaskMemAlloc(sizeof(REGFILTERPINS2) * dwPinsSubkeys);
if (!rgPins)
{
RegCloseKey(hkeyPins);
return ;
}
}
for (i = 0; i < dwPinsSubkeys; i++)
{
HKEY hkeyPinKey = NULL;
WCHAR wszPinName[MAX_PATH];
DWORD cName = ARRAY_SIZE(wszPinName);
REGFILTERPINS2 *rgPin = &rgPins[rgf2->cPins2];
DWORD value, size, Type;
LONG lRet;
memset(rgPin, 0, sizeof(*rgPin));
if (RegEnumKeyExW(hkeyPins, i, wszPinName, &cName, NULL, NULL, NULL, NULL) != ERROR_SUCCESS) continue;
if (RegOpenKeyExW(hkeyPins, wszPinName, 0, KEY_READ, &hkeyPinKey) != ERROR_SUCCESS) continue;
size = sizeof(DWORD);
lRet = RegQueryValueExW(hkeyPinKey, L"AllowedMany", NULL, &Type, (BYTE *)&value, &size);
if (lRet != ERROR_SUCCESS || Type != REG_DWORD)
goto error_cleanup;
if (value)
rgPin->dwFlags |= REG_PINFLAG_B_MANY;
size = sizeof(DWORD);
lRet = RegQueryValueExW(hkeyPinKey, L"AllowedZero", NULL, &Type, (BYTE *)&value, &size);
if (lRet != ERROR_SUCCESS || Type != REG_DWORD)
goto error_cleanup;
if (value)
rgPin->dwFlags |= REG_PINFLAG_B_ZERO;
size = sizeof(DWORD);
lRet = RegQueryValueExW(hkeyPinKey, L"Direction", NULL, &Type, (BYTE *)&value, &size);
if (lRet != ERROR_SUCCESS || Type != REG_DWORD)
goto error_cleanup;
if (value)
rgPin->dwFlags |= REG_PINFLAG_B_OUTPUT;
size = sizeof(DWORD);
lRet = RegQueryValueExW(hkeyPinKey, L"IsRendered", NULL, &Type, (BYTE *)&value, &size);
if (lRet != ERROR_SUCCESS || Type != REG_DWORD)
goto error_cleanup;
if (value)
rgPin->dwFlags |= REG_PINFLAG_B_RENDERER;
DEVENUM_ReadPinTypes(hkeyPinKey, rgPin);
++rgf2->cPins2;
continue;
error_cleanup:
RegCloseKey(hkeyPinKey);
}
RegCloseKey(hkeyPins);
if (rgPins && !rgf2->cPins2)
{
CoTaskMemFree(rgPins);
rgPins = NULL;
}
rgf2->rgPins2 = rgPins;
}
static void free_regfilter2(REGFILTER2 *rgf)
{
if (rgf->rgPins2)
{
UINT iPin;
for (iPin = 0; iPin < rgf->cPins2; iPin++)
{
if (rgf->rgPins2[iPin].lpMediaType)
{
UINT iType;
for (iType = 0; iType < rgf->rgPins2[iPin].nMediaTypes; iType++)
{
CoTaskMemFree((void *)rgf->rgPins2[iPin].lpMediaType[iType].clsMajorType);
CoTaskMemFree((void *)rgf->rgPins2[iPin].lpMediaType[iType].clsMinorType);
}
CoTaskMemFree((void *)rgf->rgPins2[iPin].lpMediaType);
}
}
CoTaskMemFree((void *)rgf->rgPins2);
}
}
HRESULT create_filter_data(VARIANT *var, REGFILTER2 *rgf)
{
IAMFilterData *fildata;
BYTE *data = NULL;
ULONG size;
HRESULT hr;
hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC, &IID_IAMFilterData, (void **)&fildata);
if (FAILED(hr))
return hr;
hr = IAMFilterData_CreateFilterData(fildata, rgf, &data, &size);
IAMFilterData_Release(fildata);
if (FAILED(hr))
return hr;
V_VT(var) = VT_ARRAY | VT_UI1;
if (!(V_ARRAY(var) = SafeArrayCreateVector(VT_UI1, 1, size)))
{
VariantClear(var);
CoTaskMemFree(data);
return E_OUTOFMEMORY;
}
memcpy(V_ARRAY(var)->pvData, data, size);
CoTaskMemFree(data);
return S_OK;
}
static void write_filter_data(IPropertyBag *prop_bag, REGFILTER2 *rgf)
{
VARIANT var;
if (SUCCEEDED(create_filter_data(&var, rgf)))
{
IPropertyBag_Write(prop_bag, L"FilterData", &var);
VariantClear(&var);
}
}
static void register_legacy_filters(void)
{
HKEY hkeyFilter = NULL;
DWORD dwFilterSubkeys, i;
LONG lRet;
HRESULT hr;
lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, L"Filter", 0, KEY_READ, &hkeyFilter);
hr = HRESULT_FROM_WIN32(lRet);
if (SUCCEEDED(hr))
{
lRet = RegQueryInfoKeyW(hkeyFilter, NULL, NULL, NULL, &dwFilterSubkeys, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
hr = HRESULT_FROM_WIN32(lRet);
}
if (SUCCEEDED(hr))
{
for (i = 0; i < dwFilterSubkeys; i++)
{
WCHAR wszFilterSubkeyName[64];
DWORD cName = ARRAY_SIZE(wszFilterSubkeyName);
IPropertyBag *prop_bag = NULL;
WCHAR wszRegKey[MAX_PATH];
HKEY classkey = NULL;
REGFILTER2 rgf2;
DWORD Type, len;
GUID clsid;
if (RegEnumKeyExW(hkeyFilter, i, wszFilterSubkeyName, &cName, NULL, NULL, NULL, NULL) != ERROR_SUCCESS) continue;
TRACE("Registering %s\n", debugstr_w(wszFilterSubkeyName));
hr = CLSIDFromString(wszFilterSubkeyName, &clsid);
if (FAILED(hr))
continue;
swprintf(wszRegKey, ARRAY_SIZE(wszRegKey), L"CLSID\\%s", wszFilterSubkeyName);
if (RegOpenKeyExW(HKEY_CLASSES_ROOT, wszRegKey, 0, KEY_READ, &classkey) != ERROR_SUCCESS)
continue;
len = 0;
if (!RegQueryValueExW(classkey, NULL, NULL, &Type, NULL, &len))
{
WCHAR *friendlyname = heap_alloc(len);
if (!friendlyname)
{
RegCloseKey(classkey);
continue;
}
RegQueryValueExW(classkey, NULL, NULL, &Type, (BYTE *)friendlyname, &len);
hr = register_codec(&CLSID_LegacyAmFilterCategory, wszFilterSubkeyName,
&clsid, friendlyname, &prop_bag);
heap_free(friendlyname);
}
else
hr = register_codec(&CLSID_LegacyAmFilterCategory, wszFilterSubkeyName,
&clsid, wszFilterSubkeyName, &prop_bag);
if (FAILED(hr))
{
RegCloseKey(classkey);
continue;
}
/* write filter data */
rgf2.dwMerit = MERIT_NORMAL;
len = sizeof(rgf2.dwMerit);
RegQueryValueExW(classkey, L"Merit", NULL, &Type, (BYTE *)&rgf2.dwMerit, &len);
DEVENUM_ReadPins(classkey, &rgf2);
write_filter_data(prop_bag, &rgf2);
IPropertyBag_Release(prop_bag);
RegCloseKey(classkey);
free_regfilter2(&rgf2);
}
}
if (hkeyFilter) RegCloseKey(hkeyFilter);
}
static BOOL CALLBACK register_dsound_devices(GUID *guid, const WCHAR *desc, const WCHAR *module, void *context)
{
static const WCHAR defaultW[] = L"Default DirectSound Device";
IPropertyBag *prop_bag = NULL;
REGFILTERPINS2 rgpins = {0};
REGPINTYPES rgtypes = {0};
REGFILTER2 rgf = {0};
WCHAR clsid[CHARS_IN_GUID];
VARIANT var;
HRESULT hr;
if (guid)
{
WCHAR *name = heap_alloc(sizeof(defaultW) + wcslen(desc) * sizeof(WCHAR));
if (!name)
return FALSE;
wcscpy(name, L"DirectSound: ");
wcscat(name, desc);
hr = register_codec(&CLSID_AudioRendererCategory, name,
&CLSID_DSoundRender, name, &prop_bag);
heap_free(name);
}
else
hr = register_codec(&CLSID_AudioRendererCategory, defaultW,
&CLSID_DSoundRender, defaultW, &prop_bag);
if (FAILED(hr))
return FALSE;
/* write filter data */
rgf.dwVersion = 2;
rgf.dwMerit = guid ? MERIT_DO_NOT_USE : MERIT_PREFERRED;
rgf.cPins2 = 1;
rgf.rgPins2 = &rgpins;
rgpins.dwFlags = REG_PINFLAG_B_RENDERER;
/* FIXME: native registers many more formats */
rgpins.nMediaTypes = 1;
rgpins.lpMediaType = &rgtypes;
rgtypes.clsMajorType = &MEDIATYPE_Audio;
rgtypes.clsMinorType = &MEDIASUBTYPE_PCM;
write_filter_data(prop_bag, &rgf);
/* write DSound guid */
V_VT(&var) = VT_BSTR;
StringFromGUID2(guid ? guid : &GUID_NULL, clsid, CHARS_IN_GUID);
if ((V_BSTR(&var) = SysAllocString(clsid)))
hr = IPropertyBag_Write(prop_bag, L"DSGuid", &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
return TRUE;
}
static void register_waveout_devices(void)
{
IPropertyBag *prop_bag = NULL;
REGFILTERPINS2 rgpins = {0};
REGPINTYPES rgtypes = {0};
REGFILTER2 rgf = {0};
WAVEOUTCAPSW caps;
const WCHAR *name;
int i, count;
VARIANT var;
HRESULT hr;
count = waveOutGetNumDevs();
for (i = -1; i < count; i++)
{
waveOutGetDevCapsW(i, &caps, sizeof(caps));
name = (i == -1) ? L"Default WaveOut Device" : caps.szPname;
hr = register_codec(&CLSID_AudioRendererCategory, name,
&CLSID_AudioRender, name, &prop_bag);
if (FAILED(hr))
continue;
/* write filter data */
rgf.dwVersion = 2;
rgf.dwMerit = MERIT_DO_NOT_USE;
rgf.cPins2 = 1;
rgf.rgPins2 = &rgpins;
rgpins.dwFlags = REG_PINFLAG_B_RENDERER;
rgpins.nMediaTypes = 1;
rgpins.lpMediaType = &rgtypes;
rgtypes.clsMajorType = &MEDIATYPE_Audio;
rgtypes.clsMinorType = &MEDIASUBTYPE_NULL;
write_filter_data(prop_bag, &rgf);
/* write WaveOutId */
V_VT(&var) = VT_I4;
V_I4(&var) = i;
IPropertyBag_Write(prop_bag, L"WaveOutId", &var);
VariantClear(&var);
if (prop_bag) IPropertyBag_Release(prop_bag);
}
}
static void register_wavein_devices(void)
{
IPropertyBag *prop_bag = NULL;
REGFILTER2 rgf = {0};
WAVEINCAPSW caps;
int i, count;
VARIANT var;
HRESULT hr;
count = waveInGetNumDevs();
for (i = 0; i < count; i++)
{
waveInGetDevCapsW(i, &caps, sizeof(caps));
hr = register_codec(&CLSID_AudioInputDeviceCategory, caps.szPname,
&CLSID_AudioRecord, caps.szPname, &prop_bag);
if (FAILED(hr))
continue;
/* write filter data */
rgf.dwVersion = 2;
rgf.dwMerit = MERIT_DO_NOT_USE;
write_filter_data(prop_bag, &rgf);
/* write WaveInId */
V_VT(&var) = VT_I4;
V_I4(&var) = i;
IPropertyBag_Write(prop_bag, L"WaveInId", &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
}
}
static void register_midiout_devices(void)
{
IPropertyBag *prop_bag = NULL;
REGFILTERPINS2 rgpins = {0};
REGPINTYPES rgtypes = {0};
REGFILTER2 rgf = {0};
MIDIOUTCAPSW caps;
const WCHAR *name;
int i, count;
VARIANT var;
HRESULT hr;
count = midiOutGetNumDevs();
for (i = -1; i < count; i++)
{
midiOutGetDevCapsW(i, &caps, sizeof(caps));
name = (i == -1) ? L"Default MidiOut Device" : caps.szPname;
hr = register_codec(&CLSID_MidiRendererCategory, name,
&CLSID_AVIMIDIRender, name, &prop_bag);
if (FAILED(hr))
continue;
/* write filter data */
rgf.dwVersion = 2;
rgf.dwMerit = (i == -1) ? MERIT_PREFERRED : MERIT_DO_NOT_USE;
rgf.cPins2 = 1;
rgf.rgPins2 = &rgpins;
rgpins.dwFlags = REG_PINFLAG_B_RENDERER;
rgpins.nMediaTypes = 1;
rgpins.lpMediaType = &rgtypes;
rgtypes.clsMajorType = &MEDIATYPE_Midi;
rgtypes.clsMinorType = &MEDIASUBTYPE_NULL;
write_filter_data(prop_bag, &rgf);
/* write MidiOutId */
V_VT(&var) = VT_I4;
V_I4(&var) = i;
IPropertyBag_Write(prop_bag, L"MidiOutId", &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
}
}
static void register_vfw_codecs(void)
{
REGFILTERPINS2 rgpins[2] = {};
IPropertyBag *prop_bag = NULL;
REGPINTYPES rgtypes[2];
REGFILTER2 rgf;
GUID typeguid;
ICINFO info;
VARIANT var;
HRESULT hr;
int i = 0;
HIC hic;
while (ICInfo(ICTYPE_VIDEO, i++, &info))
{
WCHAR name[5] = {LOBYTE(LOWORD(info.fccHandler)), HIBYTE(LOWORD(info.fccHandler)),
LOBYTE(HIWORD(info.fccHandler)), HIBYTE(HIWORD(info.fccHandler))};
hic = ICOpen(ICTYPE_VIDEO, info.fccHandler, ICMODE_QUERY);
ICGetInfo(hic, &info, sizeof(info));
ICClose(hic);
hr = register_codec(&CLSID_VideoCompressorCategory, name,
&CLSID_AVICo, info.szDescription, &prop_bag);
if (FAILED(hr))
continue;
/* write filter data */
rgf.dwVersion = 2;
rgf.dwMerit = MERIT_DO_NOT_USE;
rgf.cPins2 = 2;
rgf.rgPins2 = rgpins;
rgpins[0].dwFlags = 0;
rgpins[0].nMediaTypes = 1;
rgpins[0].lpMediaType = &rgtypes[0];
rgtypes[0].clsMajorType = &MEDIATYPE_Video;
typeguid = MEDIASUBTYPE_PCM;
typeguid.Data1 = info.fccHandler;
rgtypes[0].clsMinorType = &typeguid;
rgpins[1].dwFlags = REG_PINFLAG_B_OUTPUT;
rgpins[1].nMediaTypes = 1;
rgpins[1].lpMediaType = &rgtypes[1];
rgtypes[1].clsMajorType = &MEDIATYPE_Video;
rgtypes[1].clsMinorType = &GUID_NULL;
write_filter_data(prop_bag, &rgf);
/* write WaveInId */
V_VT(&var) = VT_BSTR;
V_BSTR(&var) = SysAllocString(name);
IPropertyBag_Write(prop_bag, L"FccHandler", &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
}
}
static void register_avicap_devices(void)
{
WCHAR friendlyname[32], version[32];
IPropertyBag *prop_bag = NULL;
REGFILTERPINS2 rgpins = {0};
REGPINTYPES rgtypes;
REGFILTER2 rgf;
WCHAR name[7];
VARIANT var;
HRESULT hr;
int i = 0;
for (i = 0; i < 10; ++i)
{
if (!capGetDriverDescriptionW(i, friendlyname, ARRAY_SIZE(friendlyname),
version, ARRAY_SIZE(version)))
continue;
swprintf(name, ARRAY_SIZE(name), L"video%d", i);
hr = register_codec(&CLSID_VideoInputDeviceCategory, name,
&CLSID_VfwCapture, friendlyname, &prop_bag);
if (FAILED(hr))
continue;
rgf.dwVersion = 2;
rgf.dwMerit = MERIT_DO_NOT_USE;
rgf.cPins2 = 1;
rgf.rgPins2 = &rgpins;
rgpins.dwFlags = 0;
rgpins.nMediaTypes = 1;
rgpins.lpMediaType = &rgtypes;
rgtypes.clsMajorType = &MEDIATYPE_Video;
rgtypes.clsMinorType = &MEDIASUBTYPE_None;
write_filter_data(prop_bag, &rgf);
/* write VFWIndex */
V_VT(&var) = VT_I4;
V_I4(&var) = i;
IPropertyBag_Write(prop_bag, L"VFWIndex", &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
}
}
static HRESULT WINAPI devenum_factory_CreateClassEnumerator(ICreateDevEnum *iface,
REFCLSID class, IEnumMoniker **out, DWORD flags)
{
WCHAR guidstr[CHARS_IN_GUID];
HRESULT hr;
HKEY key;
TRACE("iface %p, class %s, out %p, flags %#lx.\n", iface, debugstr_guid(class), out, flags);
if (!out)
return E_POINTER;
*out = NULL;
if (!RegOpenKeyW(HKEY_CURRENT_USER, L"Software\\Microsoft\\ActiveMovie\\devenum", &key))
{
StringFromGUID2(class, guidstr, ARRAY_SIZE(guidstr));
RegDeleteTreeW(key, guidstr);
}
if (IsEqualGUID(class, &CLSID_LegacyAmFilterCategory))
register_legacy_filters();
else if (IsEqualGUID(class, &CLSID_AudioRendererCategory))
{
hr = DirectSoundEnumerateW(&register_dsound_devices, NULL);
if (FAILED(hr)) return hr;
register_waveout_devices();
register_midiout_devices();
}
else if (IsEqualGUID(class, &CLSID_AudioInputDeviceCategory))
register_wavein_devices();
else if (IsEqualGUID(class, &CLSID_VideoCompressorCategory))
register_vfw_codecs();
else if (IsEqualGUID(class, &CLSID_VideoInputDeviceCategory))
register_avicap_devices();
if (SUCCEEDED(hr = enum_moniker_create(class, out)))
{
IMoniker *mon;
hr = IEnumMoniker_Next(*out, 1, &mon, NULL);
if (hr == S_OK)
{
IMoniker_Release(mon);
IEnumMoniker_Reset(*out);
}
else
{
IEnumMoniker_Release(*out);
*out = NULL;
}
}
return hr;
}
/**********************************************************************
* ICreateDevEnum_Vtbl
*/
static const ICreateDevEnumVtbl ICreateDevEnum_Vtbl =
{
devenum_factory_QueryInterface,
devenum_factory_AddRef,
devenum_factory_Release,
devenum_factory_CreateClassEnumerator,
};
/**********************************************************************
* static CreateDevEnum instance
*/
ICreateDevEnum devenum_factory = { &ICreateDevEnum_Vtbl };
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