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wine-wine/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/unicode.h"
#include "wine/heap.h"
#include "mmddk.h"
#include "initguid.h"
#include "wine/fil_data.h"
WINE_DEFAULT_DEBUG_CHANNEL(devenum);
static const WCHAR wszFilterKeyName[] = {'F','i','l','t','e','r',0};
static const WCHAR wszMeritName[] = {'M','e','r','i','t',0};
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};
static const WCHAR wszTypes[] = {'T','y','p','e','s',0};
static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
static const WCHAR wszFilterData[] = {'F','i','l','t','e','r','D','a','t','a',0};
static ULONG WINAPI DEVENUM_ICreateDevEnum_AddRef(ICreateDevEnum * iface);
static HRESULT DEVENUM_CreateAMCategoryKey(const CLSID * clsidCategory);
/**********************************************************************
* DEVENUM_ICreateDevEnum_QueryInterface (also IUnknown)
*/
static HRESULT WINAPI DEVENUM_ICreateDevEnum_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;
DEVENUM_ICreateDevEnum_AddRef(iface);
return S_OK;
}
FIXME("- no interface IID: %s\n", debugstr_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
/**********************************************************************
* DEVENUM_ICreateDevEnum_AddRef (also IUnknown)
*/
static ULONG WINAPI DEVENUM_ICreateDevEnum_AddRef(ICreateDevEnum * iface)
{
TRACE("\n");
DEVENUM_LockModule();
return 2; /* non-heap based object */
}
/**********************************************************************
* DEVENUM_ICreateDevEnum_Release (also IUnknown)
*/
static ULONG WINAPI DEVENUM_ICreateDevEnum_Release(ICreateDevEnum * iface)
{
TRACE("\n");
DEVENUM_UnlockModule();
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)
{
static const WCHAR deviceW[] = {'@','d','e','v','i','c','e',':','c','m',':',0};
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;
buffer = heap_alloc((strlenW(deviceW) + CHARS_IN_GUID + strlenW(name) + 1) * sizeof(WCHAR));
if (!buffer)
{
IParseDisplayName_Release(parser);
return E_OUTOFMEMORY;
}
strcpyW(buffer, deviceW);
StringFromGUID2(class, buffer + strlenW(buffer), CHARS_IN_GUID);
strcatW(buffer, backslashW);
strcatW(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, wszFriendlyName, &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, clsidW, &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, wszTypes, 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->u.s2.cPins2 = 0;
rgf2->u.s2.rgPins2 = NULL;
if (RegOpenKeyExW(hkeyFilterClass, wszPins, 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->u.s2.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, wszAllowedMany, 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, wszAllowedZero, 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, wszDirection, 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, wszIsRendered, 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->u.s2.cPins2;
continue;
error_cleanup:
RegCloseKey(hkeyPinKey);
}
RegCloseKey(hkeyPins);
if (rgPins && !rgf2->u.s2.cPins2)
{
CoTaskMemFree(rgPins);
rgPins = NULL;
}
rgf2->u.s2.rgPins2 = rgPins;
}
static void free_regfilter2(REGFILTER2 *rgf)
{
if (rgf->u.s2.rgPins2)
{
UINT iPin;
for (iPin = 0; iPin < rgf->u.s2.cPins2; iPin++)
{
if (rgf->u.s2.rgPins2[iPin].lpMediaType)
{
UINT iType;
for (iType = 0; iType < rgf->u.s2.rgPins2[iPin].nMediaTypes; iType++)
{
CoTaskMemFree((void *)rgf->u.s2.rgPins2[iPin].lpMediaType[iType].clsMajorType);
CoTaskMemFree((void *)rgf->u.s2.rgPins2[iPin].lpMediaType[iType].clsMinorType);
}
CoTaskMemFree((void *)rgf->u.s2.rgPins2[iPin].lpMediaType);
}
}
CoTaskMemFree((void *)rgf->u.s2.rgPins2);
}
}
static void write_filter_data(IPropertyBag *prop_bag, REGFILTER2 *rgf)
{
IAMFilterData *fildata;
SAFEARRAYBOUND sabound;
BYTE *data, *array;
VARIANT var = {};
ULONG size;
HRESULT hr;
hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC, &IID_IAMFilterData, (void **)&fildata);
if (FAILED(hr)) goto cleanup;
hr = IAMFilterData_CreateFilterData(fildata, rgf, &data, &size);
if (FAILED(hr)) goto cleanup;
V_VT(&var) = VT_ARRAY | VT_UI1;
sabound.lLbound = 0;
sabound.cElements = size;
if (!(V_ARRAY(&var) = SafeArrayCreate(VT_UI1, 1, &sabound)))
goto cleanup;
hr = SafeArrayAccessData(V_ARRAY(&var), (void *)&array);
if (FAILED(hr)) goto cleanup;
memcpy(array, data, size);
hr = SafeArrayUnaccessData(V_ARRAY(&var));
if (FAILED(hr)) goto cleanup;
hr = IPropertyBag_Write(prop_bag, wszFilterData, &var);
if (FAILED(hr)) goto cleanup;
cleanup:
VariantClear(&var);
CoTaskMemFree(data);
IAMFilterData_Release(fildata);
}
static void register_legacy_filters(void)
{
HKEY hkeyFilter = NULL;
DWORD dwFilterSubkeys, i;
LONG lRet;
HRESULT hr;
lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszFilterKeyName, 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))
hr = DEVENUM_CreateAMCategoryKey(&CLSID_LegacyAmFilterCategory);
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;
strcpyW(wszRegKey, clsidW);
strcatW(wszRegKey, backslashW);
strcatW(wszRegKey, 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, wszMeritName, 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[] = {'D','e','f','a','u','l','t',' ','D','i','r','e','c','t','S','o','u','n','d',' ','D','e','v','i','c','e',0};
static const WCHAR directsoundW[] = {'D','i','r','e','c','t','S','o','u','n','d',':',' ',0};
static const WCHAR dsguidW[] = {'D','S','G','u','i','d',0};
IPropertyBag *prop_bag = NULL;
REGFILTERPINS2 rgpins = {0};
REGPINTYPES rgtypes = {0};
REGFILTER2 rgf = {0};
WCHAR clsid[CHARS_IN_GUID];
VARIANT var;
HRESULT hr;
hr = DEVENUM_CreateAMCategoryKey(&CLSID_AudioRendererCategory);
if (FAILED(hr))
return FALSE;
if (guid)
{
WCHAR *name = heap_alloc(sizeof(defaultW) + strlenW(desc) * sizeof(WCHAR));
if (!name)
return FALSE;
strcpyW(name, directsoundW);
strcatW(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.u.s2.cPins2 = 1;
rgf.u.s2.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, dsguidW, &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
return TRUE;
}
static void register_waveout_devices(void)
{
static const WCHAR defaultW[] = {'D','e','f','a','u','l','t',' ','W','a','v','e','O','u','t',' ','D','e','v','i','c','e',0};
static const WCHAR waveoutidW[] = {'W','a','v','e','O','u','t','I','d',0};
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;
hr = DEVENUM_CreateAMCategoryKey(&CLSID_AudioRendererCategory);
if (FAILED(hr)) return;
count = waveOutGetNumDevs();
for (i = -1; i < count; i++)
{
waveOutGetDevCapsW(i, &caps, sizeof(caps));
name = (i == -1) ? defaultW : 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.u.s2.cPins2 = 1;
rgf.u.s2.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, waveoutidW, &var);
VariantClear(&var);
if (prop_bag) IPropertyBag_Release(prop_bag);
}
}
static void register_wavein_devices(void)
{
static const WCHAR waveinidW[] = {'W','a','v','e','I','n','I','d',0};
IPropertyBag *prop_bag = NULL;
REGFILTER2 rgf = {0};
WAVEINCAPSW caps;
int i, count;
VARIANT var;
HRESULT hr;
hr = DEVENUM_CreateAMCategoryKey(&CLSID_AudioRendererCategory);
if (FAILED(hr)) return;
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, waveinidW, &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
}
}
static void register_midiout_devices(void)
{
static const WCHAR defaultW[] = {'D','e','f','a','u','l','t',' ','M','i','d','i','O','u','t',' ','D','e','v','i','c','e',0};
static const WCHAR midioutidW[] = {'M','i','d','i','O','u','t','I','d',0};
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;
hr = DEVENUM_CreateAMCategoryKey(&CLSID_AudioRendererCategory);
if (FAILED(hr)) return;
count = midiOutGetNumDevs();
for (i = -1; i < count; i++)
{
midiOutGetDevCapsW(i, &caps, sizeof(caps));
name = (i == -1) ? defaultW : 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.u.s2.cPins2 = 1;
rgf.u.s2.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, midioutidW, &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
}
}
static void register_vfw_codecs(void)
{
static const WCHAR fcchandlerW[] = {'F','c','c','H','a','n','d','l','e','r',0};
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;
hr = DEVENUM_CreateAMCategoryKey(&CLSID_AudioRendererCategory);
if (FAILED(hr)) return;
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.u.s2.cPins2 = 2;
rgf.u.s2.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, fcchandlerW, &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
}
}
static void register_avicap_devices(void)
{
static const WCHAR vfwindexW[] = {'V','F','W','I','n','d','e','x',0};
WCHAR friendlyname[] = {'v','i','d','e','o','0',0};
IPropertyBag *prop_bag = NULL;
WCHAR name[32], version[32];
REGFILTERPINS2 rgpins = {0};
REGPINTYPES rgtypes;
REGFILTER2 rgf;
VARIANT var;
HRESULT hr;
int i = 0;
hr = DEVENUM_CreateAMCategoryKey(&CLSID_VideoInputDeviceCategory);
if (FAILED(hr))
return;
for (i = 0; i < 10; ++i)
{
if (!capGetDriverDescriptionW(i, name, ARRAY_SIZE(name), version, ARRAY_SIZE(version)))
break;
friendlyname[5] = '0' + 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.u.s2.cPins2 = 1;
rgf.u.s2.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, vfwindexW, &var);
VariantClear(&var);
IPropertyBag_Release(prop_bag);
}
}
/**********************************************************************
* DEVENUM_ICreateDevEnum_CreateClassEnumerator
*/
static HRESULT WINAPI DEVENUM_ICreateDevEnum_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 %#x.\n", iface, debugstr_guid(class), out, flags);
if (!out)
return E_POINTER;
*out = NULL;
if (!RegOpenKeyW(HKEY_CURRENT_USER, wszActiveMovieKey, &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 = create_EnumMoniker(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_ICreateDevEnum_QueryInterface,
DEVENUM_ICreateDevEnum_AddRef,
DEVENUM_ICreateDevEnum_Release,
DEVENUM_ICreateDevEnum_CreateClassEnumerator,
};
/**********************************************************************
* static CreateDevEnum instance
*/
ICreateDevEnum DEVENUM_CreateDevEnum = { &ICreateDevEnum_Vtbl };
/**********************************************************************
* DEVENUM_CreateAMCategoryKey (INTERNAL)
*
* Creates a registry key for a category at HKEY_CURRENT_USER\Software\
* Microsoft\ActiveMovie\devenum\{clsid}
*/
static HRESULT DEVENUM_CreateAMCategoryKey(const CLSID * clsidCategory)
{
WCHAR wszRegKey[MAX_PATH];
HRESULT res = S_OK;
HKEY hkeyDummy = NULL;
strcpyW(wszRegKey, wszActiveMovieKey);
if (!StringFromGUID2(clsidCategory, wszRegKey + strlenW(wszRegKey), ARRAY_SIZE(wszRegKey) - strlenW(wszRegKey)))
res = E_INVALIDARG;
if (SUCCEEDED(res))
{
LONG lRes = RegCreateKeyW(HKEY_CURRENT_USER, wszRegKey, &hkeyDummy);
res = HRESULT_FROM_WIN32(lRes);
}
if (hkeyDummy)
RegCloseKey(hkeyDummy);
if (FAILED(res))
ERR("Failed to create key HKEY_CURRENT_USER\\%s\n", debugstr_w(wszRegKey));
return res;
}
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