wine/dlls/dmloader/loader.c
Alexandre Julliard 7718d2bd7c dmusic: Fix license headers that mistakenly use GPL instead of LGPL.
Confirmed by the original author and the major contributors.
2007-05-30 12:54:07 +02:00

991 lines
39 KiB
C

/* IDirectMusicLoaderImpl
*
* Copyright (C) 2003-2004 Rok Mandeljc
*
* This program 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 program 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 program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "dmloader_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
static HRESULT WINAPI DMUSIC_SetLoaderSettings (LPDIRECTMUSICLOADER8 iface, REFGUID pClassID, WCHAR* wszSearchPath, LPBOOL pbCache);
/*****************************************************************************
* IDirectMusicLoaderImpl implementation
*/
/* IUnknown/IDirectMusicLoader(8) part: */
static ULONG WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_AddRef (LPDIRECTMUSICLOADER8 iface);
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_QueryInterface (LPDIRECTMUSICLOADER8 iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
TRACE("(%p, %s, %p)\n",This, debugstr_dmguid(riid), ppobj);
if (IsEqualIID (riid, &IID_IUnknown) ||
IsEqualIID (riid, &IID_IDirectMusicLoader) ||
IsEqualIID (riid, &IID_IDirectMusicLoader8)) {
IDirectMusicLoaderImpl_IDirectMusicLoader_AddRef (iface);
*ppobj = This;
return S_OK;
}
WARN(": not found\n");
return E_NOINTERFACE;
}
static ULONG WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_AddRef (LPDIRECTMUSICLOADER8 iface) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
TRACE("(%p): AddRef from %d\n", This, This->dwRef);
return InterlockedIncrement (&This->dwRef);
}
static ULONG WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_Release (LPDIRECTMUSICLOADER8 iface) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
DWORD dwRef = InterlockedDecrement (&This->dwRef);
TRACE("(%p): ReleaseRef to %d\n", This, This->dwRef);
if (dwRef == 0) {
DMUSIC_DestroyDirectMusicLoaderImpl (iface);
HeapFree (GetProcessHeap(), 0, This);
}
return dwRef;
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_GetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc, REFIID riid, LPVOID* ppv) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
HRESULT result = S_OK;
HRESULT ret = S_OK; /* used at the end of function, to determine whether everything went OK */
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry = NULL;
LPSTREAM pStream;
IPersistStream* pPersistStream = NULL;
LPDIRECTMUSICOBJECT pObject;
DMUS_OBJECTDESC GotDesc;
BOOL bCache;
TRACE("(%p, %p, %s, %p): pDesc:\n%s\n", This, pDesc, debugstr_dmguid(riid), ppv, debugstr_DMUS_OBJECTDESC(pDesc));
/* sometimes it happens that guidClass is missing... which is a BadThingTM */
if (!(pDesc->dwValidData & DMUS_OBJ_CLASS)) {
ERR(": guidClass not valid but needed\n");
*ppv = NULL;
return DMUS_E_LOADER_NOCLASSID;
}
/* OK, first we iterate thru the list of objects we know about; these are either loaded (GetObject, LoadObjectFromFile)
or set via SetObject; */
TRACE(": looking if we have object in the cache or if it can be found via alias\n");
LIST_FOR_EACH(pEntry, This->pObjects) {
LPWINE_LOADER_ENTRY pExistingEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
if ((pDesc->dwValidData & DMUS_OBJ_OBJECT) &&
(pExistingEntry->Desc.dwValidData & DMUS_OBJ_OBJECT) &&
IsEqualGUID (&pDesc->guidObject, &pExistingEntry->Desc.guidObject)) {
TRACE(": found it by object GUID\n");
/* I suppose such stuff can happen only when GUID for object is given (GUID_DefaultGMCollection) */
if (pExistingEntry->bInvalidDefaultDLS) {
TRACE(": found faulty default DLS collection... enabling M$ compliant behaviour\n");
return DMUS_E_LOADER_NOFILENAME;
}
if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
TRACE(": already loaded\n");
return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
} else {
TRACE(": not loaded yet\n");
pObjectEntry = pExistingEntry;
}
}
else if ((pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
(pExistingEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
!strncmpW (pDesc->wszFileName, pExistingEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
TRACE(": found it by fullpath filename\n");
if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
TRACE(": already loaded\n");
return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
} else {
TRACE(": not loaded yet\n");
pObjectEntry = pExistingEntry;
}
}
else if ((pDesc->dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
(pExistingEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
!strncmpW (pDesc->wszName, pExistingEntry->Desc.wszName, DMUS_MAX_NAME) &&
!strncmpW (pDesc->wszCategory, pExistingEntry->Desc.wszCategory, DMUS_MAX_CATEGORY)) {
TRACE(": found it by name and category\n");
if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
TRACE(": already loaded\n");
return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
} else {
TRACE(": not loaded yet\n");
pObjectEntry = pExistingEntry;
}
}
else if ((pDesc->dwValidData & DMUS_OBJ_NAME) &&
(pExistingEntry->Desc.dwValidData & DMUS_OBJ_NAME) &&
!strncmpW (pDesc->wszName, pExistingEntry->Desc.wszName, DMUS_MAX_NAME)) {
TRACE(": found it by name\n");
if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
TRACE(": already loaded\n");
return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
} else {
TRACE(": not loaded yet\n");
pObjectEntry = pExistingEntry;
}
}
else if ((pDesc->dwValidData & DMUS_OBJ_FILENAME) &&
(pExistingEntry->Desc.dwValidData & DMUS_OBJ_FILENAME) &&
!strncmpW (pDesc->wszFileName, pExistingEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
TRACE(": found it by filename\n");
if (pExistingEntry->Desc.dwValidData & DMUS_OBJ_LOADED) {
TRACE(": already loaded\n");
return IDirectMusicObject_QueryInterface (pExistingEntry->pObject, riid, ppv);
} else {
TRACE(": not loaded yet\n");
pObjectEntry = pExistingEntry;
}
}
}
/* basically, if we found alias, we use its descriptor to load...
else we use info we were given */
if (pObjectEntry) {
TRACE(": found alias entry for requested object... using stored info\n");
/* I think in certain cases it can happen that entry's descriptor lacks info
where to load from (e.g.: if we loaded from stream and then released object
from cache; then only it's CLSID, GUID and perhaps name are left); so just
overwrite info entry has (since it ought to be 100% correct) */
DMUSIC_CopyDescriptor (pDesc, &pObjectEntry->Desc);
/*pDesc = &pObjectEntry->Desc; */ /* FIXME: is this OK? */
} else {
TRACE(": no cache/alias entry found for requested object\n");
}
if (pDesc->dwValidData & DMUS_OBJ_URL) {
TRACE(": loading from URLs not supported yet\n");
return DMUS_E_LOADER_FORMATNOTSUPPORTED;
}
else if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
/* load object from file */
/* generate filename; if it's full path, don't add search
directory path, otherwise do */
WCHAR wszFileName[MAX_PATH];
if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
lstrcpyW(wszFileName, pDesc->wszFileName);
} else {
WCHAR *p, wszSearchPath[MAX_PATH];
DMUSIC_GetLoaderSettings (iface, &pDesc->guidClass, wszSearchPath, NULL);
lstrcpyW(wszFileName, wszSearchPath);
p = wszFileName + lstrlenW(wszFileName);
if (p > wszFileName && p[-1] != '\\') *p++ = '\\';
strcpyW(p, pDesc->wszFileName);
}
TRACE(": loading from file (%s)\n", debugstr_w(wszFileName));
/* create stream and associate it with file */
result = DMUSIC_CreateDirectMusicLoaderFileStream ((LPVOID*)&pStream);
if (FAILED(result)) {
ERR(": could not create file stream\n");
return result;
}
result = IDirectMusicLoaderFileStream_Attach (pStream, wszFileName, iface);
if (FAILED(result)) {
ERR(": could not attach stream to file\n");
IStream_Release (pStream);
return result;
}
}
else if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
/* load object from resource */
TRACE(": loading from resource\n");
/* create stream and associate it with given resource */
result = DMUSIC_CreateDirectMusicLoaderResourceStream ((LPVOID*)&pStream);
if (FAILED(result)) {
ERR(": could not create resource stream\n");
return result;
}
result = IDirectMusicLoaderResourceStream_Attach (pStream, pDesc->pbMemData, pDesc->llMemLength, 0, iface);
if (FAILED(result)) {
ERR(": could not attach stream to resource\n");
IStream_Release (pStream);
return result;
}
}
else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
/* load object from stream */
TRACE(": loading from stream\n");
/* create universal stream and associate it with given one */
result = DMUSIC_CreateDirectMusicLoaderGenericStream ((LPVOID*)&pStream);
if (FAILED(result)) {
ERR(": could not create generic stream\n");
return result;
}
result = IDirectMusicLoaderGenericStream_Attach (pStream, pDesc->pStream, iface);
if (FAILED(result)) {
ERR(": failed to attach stream\n");
IStream_Release (pStream);
return result;
}
} else {
/* nowhere to load from */
FIXME(": unknown/unsupported way of loading\n");
return DMUS_E_LOADER_NOFILENAME; /* test shows this is returned */
}
/* create object */
result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
if (FAILED(result)) {
ERR(": could not create object\n");
return result;
}
/* acquire PersistStream interface */
result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
if (FAILED(result)) {
ERR("failed to Query\n");
return result;
}
/* load */
result = IPersistStream_Load (pPersistStream, pStream);
if (result != S_OK) {
WARN(": failed to (completely) load object (%s)\n", debugstr_dmreturn(result));
ret = DMUS_S_PARTIALLOAD /*result*/;
}
/* get descriptor */
DM_STRUCT_INIT(&GotDesc);
result = IDirectMusicObject_GetDescriptor (pObject, &GotDesc);
/* set filename (if we loaded via filename) */
if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
GotDesc.dwValidData |= (pDesc->dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH));
strcpyW (GotDesc.wszFileName, pDesc->wszFileName);
}
if (FAILED(result)) {
ERR(": failed to get descriptor\n");
return result;
}
/* release all loading related stuff */
IStream_Release (pStream);
IPersistStream_Release (pPersistStream);
/* add object to cache/overwrite existing info (if cache is enabled) */
DMUSIC_GetLoaderSettings (iface, &pDesc->guidClass, NULL, &bCache);
if (bCache) {
if (!pObjectEntry) {
pObjectEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_LOADER_ENTRY));
DM_STRUCT_INIT(&pObjectEntry->Desc);
if (pObject) {
DMUSIC_CopyDescriptor (&pObjectEntry->Desc, &GotDesc);
pObjectEntry->pObject = pObject;
pObjectEntry->bInvalidDefaultDLS = FALSE;
}
list_add_head (This->pObjects, &pObjectEntry->entry);
} else {
if (pObject) {
DMUSIC_CopyDescriptor (&pObjectEntry->Desc, &GotDesc);
pObjectEntry->pObject = pObject;
pObjectEntry->bInvalidDefaultDLS = FALSE;
}
}
TRACE(": filled in cache entry\n");
} else TRACE(": caching disabled\n");
#if 0
/* for debug purposes (e.g. to check if all files are cached) */
TRACE("*** Loader's cache ***\n");
int i = 0;
LIST_FOR_EACH (pEntry, This->pObjects) {
i++;
pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
TRACE(": entry nr. %i:\n%s\n - bInvalidDefaultDLS = %i\n - pObject = %p\n", i, debugstr_DMUS_OBJECTDESC(&pObjectEntry->Desc), pObjectEntry->bInvalidDefaultDLS, pObjectEntry->pObject);
}
#endif
result = IDirectMusicObject_QueryInterface (pObject, riid, ppv);
if (!bCache) IDirectMusicObject_Release (pObject); /* since loader's reference is not needed */
/* if there was trouble with loading, and if no other error occurred,
we should return DMUS_S_PARTIALLOAD; else, error is returned */
if (result == S_OK)
return ret;
else
return result;
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_SetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
LPSTREAM pStream;
LPDIRECTMUSICOBJECT pObject;
DMUS_OBJECTDESC Desc;
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry, pNewEntry;
HRESULT hr;
TRACE("(%p, %p): pDesc:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC(pDesc));
/* create stream and load additional info from it */
if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
/* generate filename; if it's full path, don't add search
directory path, otherwise do */
WCHAR wszFileName[MAX_PATH];
if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
lstrcpyW(wszFileName, pDesc->wszFileName);
} else {
WCHAR *p;
WCHAR wszSearchPath[MAX_PATH];
DMUSIC_GetLoaderSettings (iface, &pDesc->guidClass, wszSearchPath, NULL);
lstrcpyW(wszFileName, wszSearchPath);
p = wszFileName + lstrlenW(wszFileName);
if (p > wszFileName && p[-1] != '\\') *p++ = '\\';
strcpyW(p, pDesc->wszFileName);
}
/* create stream */
hr = DMUSIC_CreateDirectMusicLoaderFileStream ((LPVOID*)&pStream);
if (FAILED(hr)) {
ERR(": could not create file stream\n");
return DMUS_E_LOADER_FAILEDOPEN;
}
/* attach stream */
hr = IDirectMusicLoaderFileStream_Attach (pStream, wszFileName, iface);
if (FAILED(hr)) {
ERR(": could not attach stream to file\n");
IStream_Release (pStream);
return DMUS_E_LOADER_FAILEDOPEN;
}
}
else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
/* create stream */
hr = DMUSIC_CreateDirectMusicLoaderGenericStream ((LPVOID*)&pStream);
if (FAILED(hr)) {
ERR(": could not create generic stream\n");
return DMUS_E_LOADER_FAILEDOPEN;
}
/* attach stream */
hr = IDirectMusicLoaderGenericStream_Attach (pStream, pDesc->pStream, iface);
if (FAILED(hr)) {
ERR(": could not attach stream\n");
IStream_Release (pStream);
return DMUS_E_LOADER_FAILEDOPEN;
}
}
else if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
/* create stream */
hr = DMUSIC_CreateDirectMusicLoaderResourceStream ((LPVOID*)&pStream);
if (FAILED(hr)) {
ERR(": could not create resource stream\n");
return DMUS_E_LOADER_FAILEDOPEN;
}
/* attach stream */
hr = IDirectMusicLoaderResourceStream_Attach (pStream, pDesc->pbMemData, pDesc->llMemLength, 0, iface);
if (FAILED(hr)) {
ERR(": could not attach stream to resource\n");
IStream_Release (pStream);
return DMUS_E_LOADER_FAILEDOPEN;
}
}
else {
ERR(": no way to get additional info\n");
return DMUS_E_LOADER_FAILEDOPEN;
}
/* create object */
CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
/* *sigh*... some ms objects have lousy implementation of ParseDescriptor that clears input descriptor :( */
#ifdef NOW_WE_ARE_FREE
/* parse descriptor: we actually use input descriptor; fields that aren't available from stream remain,
otherwise real info is set */
IDirectMusicObject_ParseDescriptor (pObject, pStream, pDesc);
#endif
/* hmph... due to some trouble I had with certain tests, we store current position and then set it back */
DM_STRUCT_INIT(&Desc);
if (FAILED(IDirectMusicObject_ParseDescriptor (pObject, pStream, &Desc))) {
ERR(": couldn't parse descriptor\n");
return DMUS_E_LOADER_FORMATNOTSUPPORTED;
}
/* copy elements from parsed descriptor into input descriptor; this sets new info, overwriting if necessary,
but leaves info that's provided by input and not available from stream */
DMUSIC_CopyDescriptor (pDesc, &Desc);
/* release everything */
IDirectMusicObject_Release (pObject);
IStream_Release (pStream);
/* sometimes it happens that twisted programs call SetObject for same object twice...
in such cases, native loader returns S_OK and does nothing... a sound plan */
LIST_FOR_EACH (pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
if (!memcmp (&pObjectEntry->Desc, pDesc, sizeof(DMUS_OBJECTDESC))) {
TRACE(": exacly same entry already exists\n");
return S_OK;
}
}
/* add new entry */
TRACE(": adding alias entry with following info: \n%s\n", debugstr_DMUS_OBJECTDESC(pDesc));
pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_LOADER_ENTRY));
/* use this function instead of pure memcpy due to streams (memcpy just copies pointer),
which is basically used further by app that called SetDescriptor... better safety than exception */
DMUSIC_CopyDescriptor (&pNewEntry->Desc, pDesc);
list_add_head (This->pObjects, &pNewEntry->entry);
return S_OK;
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_SetSearchDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzPath, BOOL fClear) {
WCHAR wszCurrentPath[MAX_PATH];
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
TRACE("(%p, %s, %s, %d)\n", This, debugstr_dmguid(rguidClass), debugstr_w(pwzPath), fClear);
FIXME(": fClear ignored\n");
DMUSIC_GetLoaderSettings (iface, rguidClass, wszCurrentPath, NULL);
if (!strncmpW(wszCurrentPath, pwzPath, MAX_PATH)) {
return S_FALSE;
}
/* FIXME: check if path is valid; else return DMUS_E_LOADER_BADPATH */
return DMUSIC_SetLoaderSettings (iface, rguidClass, pwzPath, NULL);
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ScanDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzFileExtension, WCHAR* pwzScanFileName) {
static const WCHAR wszAny[] = {'*',0};
WIN32_FIND_DATAW FileData;
HANDLE hSearch;
WCHAR wszSearchString[MAX_PATH];
WCHAR *p;
HRESULT result;
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
TRACE("(%p, %s, %p, %p)\n", This, debugstr_dmguid(rguidClass), pwzFileExtension, pwzScanFileName);
if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || !DMUSIC_IsValidLoadableClass(rguidClass)) {
ERR(": rguidClass invalid CLSID\n");
return REGDB_E_CLASSNOTREG;
}
/* get search path for given class */
DMUSIC_GetLoaderSettings (iface, rguidClass, wszSearchString, NULL);
p = wszSearchString + lstrlenW(wszSearchString);
if (p > wszSearchString && p[-1] != '\\') *p++ = '\\';
*p++ = '*'; /* any file */
if (strcmpW (pwzFileExtension, wszAny)) *p++ = '.'; /* if we have actual extension, put a dot */
strcpyW (p, pwzFileExtension);
TRACE(": search string: %s\n", debugstr_w(wszSearchString));
hSearch = FindFirstFileW (wszSearchString, &FileData);
if (hSearch == INVALID_HANDLE_VALUE) {
TRACE(": no files found\n");
return S_FALSE;
}
do {
DMUS_OBJECTDESC Desc;
DM_STRUCT_INIT(&Desc);
Desc.dwValidData = DMUS_OBJ_CLASS | DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_DATE;
memcpy (&Desc.guidClass, rguidClass, sizeof(GUID));
strcpyW (Desc.wszFileName, FileData.cFileName);
FileTimeToLocalFileTime (&FileData.ftCreationTime, &Desc.ftDate);
IDirectMusicLoader8_SetObject (iface, &Desc);
if (!FindNextFileW (hSearch, &FileData)) {
if (GetLastError () == ERROR_NO_MORE_FILES) {
TRACE(": search completed\n");
result = S_OK;
} else {
ERR(": could not get next file\n");
result = E_FAIL;
}
FindClose (hSearch);
return result;
}
} while (1);
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_CacheObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject) {
DMUS_OBJECTDESC Desc;
HRESULT result = DMUS_E_LOADER_OBJECTNOTFOUND;
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry = NULL;
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
TRACE("(%p, %p)\n", This, pObject);
/* get descriptor */
DM_STRUCT_INIT(&Desc);
IDirectMusicObject_GetDescriptor (pObject, &Desc);
/* now iterate thru list and check if we have alias (without object), corresponding
to descriptor of input object */
LIST_FOR_EACH(pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
if ((Desc.dwValidData & DMUS_OBJ_OBJECT) &&
(pObjectEntry->Desc.dwValidData & DMUS_OBJ_OBJECT) &&
IsEqualGUID (&Desc.guidObject, &pObjectEntry->Desc.guidObject)) {
TRACE(": found it by object GUID\n");
if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
result = S_FALSE;
else
result = S_OK;
break;
}
else if ((Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
(pObjectEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
!strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
TRACE(": found it by fullpath filename\n");
if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
result = S_FALSE;
else
result = S_OK;
break;
}
else if ((Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
(pObjectEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
!strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME) &&
!strncmpW (Desc.wszCategory, pObjectEntry->Desc.wszCategory, DMUS_MAX_CATEGORY)) {
TRACE(": found it by name and category\n");
if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
result = S_FALSE;
else
result = S_OK;
break;
}
else if ((Desc.dwValidData & DMUS_OBJ_NAME) &&
(pObjectEntry->Desc.dwValidData & DMUS_OBJ_NAME) &&
!strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME)) {
TRACE(": found it by name\n");
if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
result = S_FALSE;
else
result = S_OK;
break;
}
else if ((Desc.dwValidData & DMUS_OBJ_FILENAME) &&
(pObjectEntry->Desc.dwValidData & DMUS_OBJ_FILENAME) &&
!strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
TRACE(": found it by filename\n");
if ((pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED) && pObjectEntry->pObject)
result = S_FALSE;
else
result = S_OK;
break;
}
}
/* if we found such alias, then set everything */
if (result == S_OK) {
pObjectEntry->Desc.dwValidData &= DMUS_OBJ_LOADED;
pObjectEntry->pObject = pObject;
IDirectMusicObject_AddRef (pObjectEntry->pObject);
}
return result;
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject) {
DMUS_OBJECTDESC Desc;
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry = NULL;
HRESULT result = S_FALSE;
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
TRACE("(%p, %p)\n", This, pObject);
/* get descriptor */
DM_STRUCT_INIT(&Desc);
IDirectMusicObject_GetDescriptor (pObject, &Desc);
/* iterate thru the list of objects we know about; check only those with DMUS_OBJ_LOADED */
TRACE(": looking for the object in cache\n");
LIST_FOR_EACH(pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY(pEntry, WINE_LOADER_ENTRY, entry);
if ((Desc.dwValidData & DMUS_OBJ_OBJECT) &&
(pObjectEntry->Desc.dwValidData & (DMUS_OBJ_OBJECT | DMUS_OBJ_LOADED)) &&
IsEqualGUID (&Desc.guidObject, &pObjectEntry->Desc.guidObject)) {
TRACE(": found it by object GUID\n%s\n", debugstr_DMUS_OBJECTDESC(&pObjectEntry->Desc));
result = S_OK;
break;
}
else if ((Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH)) &&
(pObjectEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_LOADED)) &&
!strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
TRACE(": found it by fullpath filename\n");
result = S_OK;
break;
}
else if ((Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY)) &&
(pObjectEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_CATEGORY | DMUS_OBJ_LOADED)) &&
!strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME) &&
!strncmpW (Desc.wszCategory, pObjectEntry->Desc.wszCategory, DMUS_MAX_CATEGORY)) {
TRACE(": found it by name and category\n");
result = S_OK;
break;
}
else if ((Desc.dwValidData & DMUS_OBJ_NAME) &&
(pObjectEntry->Desc.dwValidData & (DMUS_OBJ_NAME | DMUS_OBJ_LOADED)) &&
!strncmpW (Desc.wszName, pObjectEntry->Desc.wszName, DMUS_MAX_NAME)) {
TRACE(": found it by name\n");
result = S_OK;
break;
}
else if ((Desc.dwValidData & DMUS_OBJ_FILENAME) &&
(pObjectEntry->Desc.dwValidData & (DMUS_OBJ_FILENAME | DMUS_OBJ_LOADED)) &&
!strncmpW (Desc.wszFileName, pObjectEntry->Desc.wszFileName, DMUS_MAX_FILENAME)) {
TRACE(": found it by filename\n");
result = S_OK;
break;
}
}
if (result == S_OK) {
/*TRACE(": releasing: \n%s - bInvalidDefaultDLS = %i\n - pObject = %p\n", debugstr_DMUS_OBJECTDESC(&pObjectEntry->Desc), pObjectEntry->bInvalidDefaultDLS, pObjectEntry->pObject); */
IDirectMusicObject_Release (pObjectEntry->pObject);
pObjectEntry->pObject = NULL;
pObjectEntry->Desc.dwValidData &= ~DMUS_OBJ_LOADED;
}
return result;
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ClearCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass) {
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry;
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
TRACE("(%p, %s)\n", This, debugstr_dmguid(rguidClass));
LIST_FOR_EACH (pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
if ((IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pObjectEntry->Desc.guidClass)) &&
(pObjectEntry->Desc.dwValidData & DMUS_OBJ_LOADED)) {
/* basically, wrap to ReleaseObject for each object found */
IDirectMusicLoader8_ReleaseObject (iface, pObjectEntry->pObject);
}
}
return S_OK;
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_EnableCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, BOOL fEnable) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
BOOL bCurrent;
TRACE("(%p, %s, %d)\n", This, debugstr_dmguid(rguidClass), fEnable);
DMUSIC_GetLoaderSettings (iface, rguidClass, NULL, &bCurrent);
if (bCurrent == fEnable)
return S_FALSE;
else
return DMUSIC_SetLoaderSettings (iface, rguidClass, NULL, &fEnable);
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_EnumObject (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc) {
DWORD dwCount = 0;
struct list *pEntry;
LPWINE_LOADER_ENTRY pObjectEntry;
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
TRACE("(%p, %s, %d, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc);
DM_STRUCT_INIT(pDesc);
LIST_FOR_EACH (pEntry, This->pObjects) {
pObjectEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pObjectEntry->Desc.guidClass)) {
if (dwCount == dwIndex) {
memcpy (pDesc, &pObjectEntry->Desc, sizeof(DMUS_OBJECTDESC));
/* we aren't supposed to reveal this info */
pDesc->dwValidData &= ~(DMUS_OBJ_MEMORY | DMUS_OBJ_STREAM);
pDesc->pbMemData = NULL;
pDesc->llMemLength = 0;
pDesc->pStream = NULL;
return S_OK;
}
dwCount++;
}
}
TRACE(": not found\n");
return S_FALSE;
}
static void WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_CollectGarbage (LPDIRECTMUSICLOADER8 iface) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
FIXME("(%p): stub\n", This);
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObjectByUnknown (LPDIRECTMUSICLOADER8 iface, IUnknown* pObject) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
HRESULT result;
LPDIRECTMUSICOBJECT pObjectInterface;
TRACE("(%p, %p)\n", This, pObject);
if (IsBadReadPtr (pObject, sizeof(LPUNKNOWN))) {
ERR(": pObject bad write pointer\n");
return E_POINTER;
}
/* we simply get IDirectMusicObject interface */
result = IUnknown_QueryInterface (pObject, &IID_IDirectMusicObject, (LPVOID*)&pObjectInterface);
if (FAILED(result)) return result;
/* and release it in old-fashioned way */
result = IDirectMusicLoader8_ReleaseObject (iface, pObjectInterface);
IDirectMusicObject_Release (pObjectInterface);
return result;
}
static HRESULT WINAPI IDirectMusicLoaderImpl_IDirectMusicLoader_LoadObjectFromFile (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClassID, REFIID iidInterfaceID, WCHAR* pwzFilePath, void** ppObject) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
DMUS_OBJECTDESC ObjDesc;
WCHAR wszLoaderSearchPath[MAX_PATH];
TRACE("(%p, %s, %s, %s, %p): wrapping to IDirectMusicLoaderImpl_GetObject\n", This, debugstr_dmguid(rguidClassID), debugstr_dmguid(iidInterfaceID), debugstr_w(pwzFilePath), ppObject);
DM_STRUCT_INIT(&ObjDesc);
ObjDesc.dwValidData = DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_CLASS; /* I believe I've read somewhere in MSDN that this function requires either full path or relative path */
memcpy (&ObjDesc.guidClass, rguidClassID, sizeof(CLSID));
/* OK, MSDN says that search order is the following:
- current directory (DONE)
- windows search path (FIXME: how do I get that?)
- loader's search path (DONE)
*/
DMUSIC_GetLoaderSettings (iface, rguidClassID, wszLoaderSearchPath, NULL);
/* search in current directory */
if (!SearchPathW (NULL, pwzFilePath, NULL, sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL) &&
/* search in loader's search path */
!SearchPathW (wszLoaderSearchPath, pwzFilePath, NULL, sizeof(ObjDesc.wszFileName)/sizeof(WCHAR), ObjDesc.wszFileName, NULL)) {
/* cannot find file */
TRACE(": cannot find file\n");
return DMUS_E_LOADER_FAILEDOPEN;
}
TRACE(": full file path = %s\n", debugstr_w (ObjDesc.wszFileName));
return IDirectMusicLoaderImpl_IDirectMusicLoader_GetObject (iface, &ObjDesc, iidInterfaceID, ppObject);
}
static const IDirectMusicLoader8Vtbl DirectMusicLoader_Loader_Vtbl = {
IDirectMusicLoaderImpl_IDirectMusicLoader_QueryInterface,
IDirectMusicLoaderImpl_IDirectMusicLoader_AddRef,
IDirectMusicLoaderImpl_IDirectMusicLoader_Release,
IDirectMusicLoaderImpl_IDirectMusicLoader_GetObject,
IDirectMusicLoaderImpl_IDirectMusicLoader_SetObject,
IDirectMusicLoaderImpl_IDirectMusicLoader_SetSearchDirectory,
IDirectMusicLoaderImpl_IDirectMusicLoader_ScanDirectory,
IDirectMusicLoaderImpl_IDirectMusicLoader_CacheObject,
IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObject,
IDirectMusicLoaderImpl_IDirectMusicLoader_ClearCache,
IDirectMusicLoaderImpl_IDirectMusicLoader_EnableCache,
IDirectMusicLoaderImpl_IDirectMusicLoader_EnumObject,
IDirectMusicLoaderImpl_IDirectMusicLoader_CollectGarbage,
IDirectMusicLoaderImpl_IDirectMusicLoader_ReleaseObjectByUnknown,
IDirectMusicLoaderImpl_IDirectMusicLoader_LoadObjectFromFile
};
/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicLoaderImpl (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter) {
IDirectMusicLoaderImpl *obj;
DMUS_OBJECTDESC Desc;
LPWINE_LOADER_ENTRY pDefaultDLSEntry;
struct list *pEntry;
TRACE("(%s, %p, %p)\n", debugstr_dmguid(lpcGUID), ppobj, pUnkOuter);
obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoaderImpl));
if (NULL == obj) {
*ppobj = (LPDIRECTMUSICLOADER8)NULL;
return E_OUTOFMEMORY;
}
obj->LoaderVtbl = &DirectMusicLoader_Loader_Vtbl;
obj->dwRef = 0; /* will be inited with QueryInterface */
/* init critical section */
/* init cache/alias list */
/*InitializeCriticalSection (&obj->CritSect);
obj->CritSect.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": IDirectMusicLoaderImpl.CritSect"); */
obj->pObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
list_init (obj->pObjects);
/* init settings */
obj->pClassSettings = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
list_init (obj->pClassSettings);
DMUSIC_InitLoaderSettings ((LPDIRECTMUSICLOADER8)obj);
/* set default DLS collection (via SetObject... so that loading via DMUS_OBJ_OBJECT is possible) */
DM_STRUCT_INIT(&Desc);
Desc.dwValidData = DMUS_OBJ_CLASS | DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH | DMUS_OBJ_OBJECT;
memcpy (&Desc.guidClass, &CLSID_DirectMusicCollection, sizeof(CLSID));
memcpy (&Desc.guidObject, &GUID_DefaultGMCollection, sizeof(GUID));
DMUSIC_GetDefaultGMPath (Desc.wszFileName);
IDirectMusicLoader_SetObject ((LPDIRECTMUSICLOADER8)obj, &Desc);
/* and now the workaroundTM for "invalid" default DLS; basically,
my tests showed that if GUID chunk is present in default DLS
collection, loader treats it as "invalid" and returns
DMUS_E_LOADER_NOFILENAME for all requests for it; basically, we check
if out input guidObject was overwritten */
pEntry = list_head (obj->pObjects);
pDefaultDLSEntry = LIST_ENTRY (pEntry, WINE_LOADER_ENTRY, entry);
if (!IsEqualGUID(&Desc.guidObject, &GUID_DefaultGMCollection)) {
pDefaultDLSEntry->bInvalidDefaultDLS = TRUE;
}
/* increase number of instances */
InterlockedIncrement (&dwDirectMusicLoader);
return IDirectMusicLoaderImpl_IDirectMusicLoader_QueryInterface ((LPDIRECTMUSICLOADER8)obj, lpcGUID, ppobj);
}
HRESULT WINAPI DMUSIC_DestroyDirectMusicLoaderImpl (LPDIRECTMUSICLOADER8 iface) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
TRACE("(%p)\n", This);
/* firstly, release the cache */
IDirectMusicLoader8_ClearCache (iface, &GUID_DirectMusicAllTypes);
/* FIXME: release all allocated entries */
/* destroy critical section */
/*This->CritSect.DebugInfo->Spare[0] = 0;
DeleteCriticalSection (&This->CritSect); */
/* decrease number of instances */
InterlockedDecrement (&dwDirectMusicLoader);
return S_OK;
}
/* help function for DMUSIC_SetDefaultDLS */
HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH]) {
HKEY hkDM;
DWORD returnType, sizeOfReturnBuffer = MAX_PATH;
char szPath[MAX_PATH];
if ((RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic" , 0, KEY_READ, &hkDM) != ERROR_SUCCESS) ||
(RegQueryValueExA (hkDM, "GMFilePath", NULL, &returnType, (LPBYTE) szPath, &sizeOfReturnBuffer) != ERROR_SUCCESS)) {
WARN(": registry entry missing\n" );
return E_FAIL;
}
/* FIXME: Check return types to ensure we're interpreting data right */
MultiByteToWideChar (CP_ACP, 0, szPath, -1, wszPath, MAX_PATH);
return S_OK;
}
/* help function for retrieval of search path and caching option for certain class */
HRESULT WINAPI DMUSIC_GetLoaderSettings (LPDIRECTMUSICLOADER8 iface, REFGUID pClassID, WCHAR* wszSearchPath, LPBOOL pbCache) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
struct list *pEntry;
TRACE(": (%p, %s, %p, %p)\n", This, debugstr_dmguid(pClassID), wszSearchPath, pbCache);
LIST_FOR_EACH(pEntry, This->pClassSettings) {
LPWINE_LOADER_OPTION pOptionEntry = LIST_ENTRY(pEntry, WINE_LOADER_OPTION, entry);
if (IsEqualCLSID (pClassID, &pOptionEntry->guidClass)) {
if (wszSearchPath)
strcpyW(wszSearchPath, pOptionEntry->wszSearchPath);
if (pbCache)
*pbCache = pOptionEntry->bCache;
return S_OK;
}
}
return S_FALSE;
}
/* help function for setting search path and caching option for certain class */
static HRESULT WINAPI DMUSIC_SetLoaderSettings (LPDIRECTMUSICLOADER8 iface, REFGUID pClassID, WCHAR* wszSearchPath, LPBOOL pbCache) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
struct list *pEntry;
HRESULT result = S_FALSE; /* in case pClassID != GUID_DirectMusicAllTypes and not a valid CLSID */
TRACE(": (%p, %s, %p, %p)\n", This, debugstr_dmguid(pClassID), wszSearchPath, pbCache);
LIST_FOR_EACH(pEntry, This->pClassSettings) {
LPWINE_LOADER_OPTION pOptionEntry = LIST_ENTRY(pEntry, WINE_LOADER_OPTION, entry);
/* well, either we have GUID_DirectMusicAllTypes and need to set it to all,
or specific CLSID is given and we set it only to it */
if (IsEqualGUID (pClassID, &GUID_DirectMusicAllTypes) ||
IsEqualCLSID (pClassID, &pOptionEntry->guidClass)) {
if (wszSearchPath)
strcpyW(pOptionEntry->wszSearchPath, wszSearchPath);
if (pbCache)
pOptionEntry->bCache = *pbCache;
result = S_OK;
}
}
return result;
}
HRESULT WINAPI DMUSIC_InitLoaderSettings (LPDIRECTMUSICLOADER8 iface) {
ICOM_THIS_MULTI(IDirectMusicLoaderImpl, LoaderVtbl, iface);
/* hard-coded list of classes */
static REFCLSID classes[] = {
&CLSID_DirectMusicAudioPathConfig,
&CLSID_DirectMusicBand,
&CLSID_DirectMusicContainer,
&CLSID_DirectMusicCollection,
&CLSID_DirectMusicChordMap,
&CLSID_DirectMusicSegment,
&CLSID_DirectMusicScript,
&CLSID_DirectMusicSong,
&CLSID_DirectMusicStyle,
&CLSID_DirectMusicGraph,
&CLSID_DirectSoundWave
};
unsigned int i;
WCHAR wszCurrent[MAX_PATH];
TRACE(": (%p)\n", This);
GetCurrentDirectoryW (MAX_PATH, wszCurrent);
for (i = 0; i < sizeof(classes)/sizeof(REFCLSID); i++) {
LPWINE_LOADER_OPTION pNewSetting = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_LOADER_OPTION));
memcpy (&pNewSetting->guidClass, classes[i], sizeof(CLSID));
strcpyW (pNewSetting->wszSearchPath, wszCurrent);
pNewSetting->bCache = TRUE;
list_add_tail (This->pClassSettings, &pNewSetting->entry);
}
return S_OK;
}
HRESULT WINAPI DMUSIC_CopyDescriptor (LPDMUS_OBJECTDESC pDst, LPDMUS_OBJECTDESC pSrc) {
TRACE(": copy \n%s", debugstr_DMUS_OBJECTDESC(pSrc));
/* copy field by field */
if (pSrc->dwValidData & DMUS_OBJ_CLASS) memcpy (&pDst->guidClass, &pSrc->guidClass, sizeof(CLSID));
if (pSrc->dwValidData & DMUS_OBJ_OBJECT) memcpy (&pDst->guidObject, &pSrc->guidObject, sizeof(GUID));
if (pSrc->dwValidData & DMUS_OBJ_DATE) memcpy (&pDst->ftDate, &pSrc->ftDate, sizeof(FILETIME));
if (pSrc->dwValidData & DMUS_OBJ_VERSION) memcpy (&pDst->vVersion, &pSrc->vVersion, sizeof(DMUS_VERSION));
if (pSrc->dwValidData & DMUS_OBJ_NAME) strcpyW (pDst->wszName, pSrc->wszName);
if (pSrc->dwValidData & DMUS_OBJ_CATEGORY) strcpyW (pDst->wszCategory, pSrc->wszCategory);
if (pSrc->dwValidData & DMUS_OBJ_FILENAME) strcpyW (pDst->wszFileName, pSrc->wszFileName);
if (pSrc->dwValidData & DMUS_OBJ_STREAM) IStream_Clone (pSrc->pStream, &pDst->pStream);
if (pSrc->dwValidData & DMUS_OBJ_MEMORY) {
pDst->pbMemData = pSrc->pbMemData;
pDst->llMemLength = pSrc->llMemLength;
}
/* set flags */
pDst->dwValidData |= pSrc->dwValidData;
return S_OK;
}
BOOL WINAPI DMUSIC_IsValidLoadableClass (REFCLSID pClassID) {
if (IsEqualCLSID(pClassID, &CLSID_DirectMusicAudioPathConfig) ||
IsEqualCLSID(pClassID, &CLSID_DirectMusicBand) ||
IsEqualCLSID(pClassID, &CLSID_DirectMusicContainer) ||
IsEqualCLSID(pClassID, &CLSID_DirectMusicCollection) ||
IsEqualCLSID(pClassID, &CLSID_DirectMusicChordMap) ||
IsEqualCLSID(pClassID, &CLSID_DirectMusicSegment) ||
IsEqualCLSID(pClassID, &CLSID_DirectMusicScript) ||
IsEqualCLSID(pClassID, &CLSID_DirectMusicSong) ||
IsEqualCLSID(pClassID, &CLSID_DirectMusicStyle) ||
IsEqualCLSID(pClassID, &CLSID_DirectMusicGraph) ||
IsEqualCLSID(pClassID, &CLSID_DirectSoundWave) ||
IsEqualCLSID(pClassID, &GUID_DirectMusicAllTypes))
return TRUE;
else
return FALSE;
}