378 lines
13 KiB
C
378 lines
13 KiB
C
/* IDirectMusicLoader8 Implementation
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*
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* Copyright (C) 2003 Rok Mandeljc
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "wingdi.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "winreg.h"
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#include "dmloader_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
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HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH]);
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/* IDirectMusicLoader8 IUnknown part: */
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HRESULT WINAPI IDirectMusicLoader8Impl_QueryInterface (LPDIRECTMUSICLOADER8 iface, REFIID riid, LPVOID *ppobj)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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if (IsEqualIID (riid, &IID_IUnknown) ||
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IsEqualIID (riid, &IID_IDirectMusicLoader) ||
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IsEqualIID (riid, &IID_IDirectMusicLoader8)) {
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IDirectMusicLoader8Impl_AddRef(iface);
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*ppobj = This;
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return S_OK;
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}
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WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
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return E_NOINTERFACE;
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}
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ULONG WINAPI IDirectMusicLoader8Impl_AddRef (LPDIRECTMUSICLOADER8 iface)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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TRACE("(%p) : AddRef from %ld\n", This, This->ref);
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return ++(This->ref);
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}
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ULONG WINAPI IDirectMusicLoader8Impl_Release (LPDIRECTMUSICLOADER8 iface)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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ULONG ref = --This->ref;
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TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
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if (ref == 0) {
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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/* IDirectMusicLoader8 IDirectMusicLoader part: */
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HRESULT WINAPI IDirectMusicLoader8Impl_GetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc, REFIID riid, LPVOID* ppv)
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{
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IDirectMusicObject* pObject;
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DMUS_OBJECTDESC desc;
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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int i;
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HRESULT result;
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TRACE("(%p, %p, %s, %p)\n", This, pDesc, debugstr_guid(riid), ppv);
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TRACE(": looking up cache");
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/* first, check if requested object is already in cache (check by name and GUID) */
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for (i = 0; i < This->dwCacheSize; i++) {
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if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
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if (IsEqualGUID (&pDesc->guidObject, &This->pCache[i].guidObject)) {
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TRACE(": object already exist in cache (found by GUID)\n");
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if (This->pCache[i].pObject) {
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return IDirectMusicObject_QueryInterface (This->pCache[i].pObject, riid, ppv);
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}
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}
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} else if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
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if (This->pCache[i].pwzFileName && !strncmpW(pDesc->wszFileName, This->pCache[i].pwzFileName, MAX_PATH)) {
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TRACE(": object already exist in cache (found by file name)\n");
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if (This->pCache[i].pObject) {
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return IDirectMusicObject_QueryInterface (This->pCache[i].pObject, riid, ppv);
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}
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}
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}
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}
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/* object doesn't exist in cache... guess we'll have to load it */
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TRACE(": object does not exist in cache\n");
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result = CoCreateInstance (&pDesc->guidClass, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicObject, (LPVOID*)&pObject);
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if (FAILED(result)) return result;
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if (pDesc->dwValidData & DMUS_OBJ_FILENAME) {
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/* load object from file */
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WCHAR wzFileName[MAX_PATH];
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ILoaderStream* pStream;
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IPersistStream *pPersistStream = NULL;
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/* if it's full path, don't add search directory path, otherwise do */
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if (pDesc->dwValidData & DMUS_OBJ_FULLPATH) {
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lstrcpyW( wzFileName, pDesc->wszFileName );
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} else {
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WCHAR *p;
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lstrcpyW( wzFileName, This->wzSearchPath );
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p = wzFileName + lstrlenW(wzFileName);
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if (p > wzFileName && p[-1] != '\\') *p++ = '\\';
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lstrcpyW( p, pDesc->wszFileName );
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}
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TRACE(": loading from file (%s)\n", debugstr_w(wzFileName));
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result = DMUSIC_CreateLoaderStream ((LPSTREAM*)&pStream);
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if (FAILED(result)) return result;
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result = ILoaderStream_Attach (pStream, wzFileName, (LPDIRECTMUSICLOADER)iface);
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if (FAILED(result)) return result;
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result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
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if (FAILED(result)) return result;
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result = IPersistStream_Load (pPersistStream, (LPSTREAM)pStream);
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if (FAILED(result)) return result;
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ILoaderStream_IStream_Release ((LPSTREAM)pStream);
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IPersistStream_Release (pPersistStream);
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} else if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
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/* load object from stream */
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IStream* pClonedStream = NULL;
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IPersistStream* pPersistStream = NULL;
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TRACE(": loading from stream\n");
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result = IDirectMusicObject_QueryInterface (pObject, &IID_IPersistStream, (LPVOID*)&pPersistStream);
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if (FAILED(result)) {
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TRACE("couln\'t get IPersistStream\n");
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return result;
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}
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result = IStream_Clone (pDesc->pStream, &pClonedStream);
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if (FAILED(result)) {
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TRACE("failed to clone\n");
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return result;
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}
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result = IPersistStream_Load (pPersistStream, pClonedStream);
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if (FAILED(result)) {
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TRACE("failed to load\n");
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return result;
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}
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IPersistStream_Release (pPersistStream);
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IStream_Release (pClonedStream);
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} else if (pDesc->dwValidData & DMUS_OBJ_OBJECT) {
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/* load object by GUID */
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TRACE(": loading by GUID (only default DLS supported)\n");
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if (IsEqualGUID (&pDesc->guidObject, &GUID_DefaultGMCollection)) {
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/* great idea: let's just change dwValid and wszFileName fields and then call ourselves again :D */
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pDesc->dwValidData = DMUS_OBJ_FILENAME | DMUS_OBJ_FULLPATH;
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if (FAILED(DMUSIC_GetDefaultGMPath (pDesc->wszFileName)))
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return E_FAIL;
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return IDirectMusicLoader8Impl_GetObject (iface, pDesc, riid, ppv);
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} else {
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return E_FAIL;
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}
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} else {
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/* nowhere to load from */
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FIXME(": unknown/unsupported way of loading\n");
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return E_FAIL;
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}
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memset((LPVOID)&desc, 0, sizeof(desc));
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desc.dwSize = sizeof (DMUS_OBJECTDESC);
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IDirectMusicObject_GetDescriptor (pObject, &desc);
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/* tests with native dlls show that descriptor, which is recieved by GetDescriptor doesn't contain filepath
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therefore we must copy it from input description */
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if (pDesc->dwValidData & DMUS_OBJ_FILENAME || desc.dwValidData & DMUS_OBJ_OBJECT) {
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DMUS_PRIVATE_CACHE_ENTRY CacheEntry;
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This->dwCacheSize++; /* increase size of cache for one entry */
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This->pCache = HeapReAlloc (GetProcessHeap (), 0, This->pCache, sizeof(DMUS_PRIVATE_CACHE_ENTRY) * This->dwCacheSize);
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if (desc.dwValidData & DMUS_OBJ_OBJECT)
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CacheEntry.guidObject = desc.guidObject;
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if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
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strncpyW (CacheEntry.pwzFileName, pDesc->wszFileName, MAX_PATH);
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CacheEntry.pObject = pObject;
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IDirectMusicObject_AddRef (pObject); /* MSDN says that we should */
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This->pCache[This->dwCacheSize - 1] = CacheEntry; /* fill in one backward, as list is zero based */
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TRACE(": filled in cache entry\n");
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}
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TRACE(": nr. of entries = %ld\n", This->dwCacheSize);
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for (i = 0; i < This->dwCacheSize; i++) {
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TRACE(": cache entry [%i]: GUID = %s, file name = %s, object = %p\n", i, debugstr_guid(&This->pCache[i].guidObject), debugstr_w(This->pCache[i].pwzFileName), This->pCache[i].pObject);
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}
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return IDirectMusicObject_QueryInterface (pObject, riid, ppv);
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_SetObject (LPDIRECTMUSICLOADER8 iface, LPDMUS_OBJECTDESC pDesc)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %p): stub\n", This, pDesc);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_SetSearchDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzPath, BOOL fClear)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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TRACE("(%p, %s, %p, %d)\n", This, debugstr_guid(rguidClass), pwzPath, fClear);
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if (0 == strncmpW(This->wzSearchPath, pwzPath, MAX_PATH)) {
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return S_FALSE;
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}
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strncpyW(This->wzSearchPath, pwzPath, MAX_PATH);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_ScanDirectory (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, WCHAR* pwzFileExtension, WCHAR* pwzScanFileName)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %s, %p, %p): stub\n", This, debugstr_guid(rguidClass), pwzFileExtension, pwzScanFileName);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_CacheObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %p): stub\n", This, pObject);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObject (LPDIRECTMUSICLOADER8 iface, IDirectMusicObject* pObject)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %p): stub\n", This, pObject);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_ClearCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %s): stub\n", This, debugstr_guid(rguidClass));
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_EnableCache (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, BOOL fEnable)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %s, %d): stub\n", This, debugstr_guid(rguidClass), fEnable);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_EnumObject (LPDIRECTMUSICLOADER8 iface, REFGUID rguidClass, DWORD dwIndex, LPDMUS_OBJECTDESC pDesc)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %s, %ld, %p): stub\n", This, debugstr_guid(rguidClass), dwIndex, pDesc);
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return S_OK;
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}
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/* IDirectMusicLoader8 Interface part follow: */
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void WINAPI IDirectMusicLoader8Impl_CollectGarbage (LPDIRECTMUSICLOADER8 iface)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p): stub\n", This);
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_ReleaseObjectByUnknown (LPDIRECTMUSICLOADER8 iface, IUnknown* pObject)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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FIXME("(%p, %p): stub\n", This, pObject);
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return S_OK;
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}
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HRESULT WINAPI IDirectMusicLoader8Impl_LoadObjectFromFile (LPDIRECTMUSICLOADER8 iface,
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REFGUID rguidClassID,
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REFIID iidInterfaceID,
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WCHAR* pwzFilePath,
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void** ppObject)
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{
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ICOM_THIS(IDirectMusicLoader8Impl,iface);
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DMUS_OBJECTDESC ObjDesc;
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TRACE("(%p, %s, %s, %s, %p): wrapping to IDirectMusicLoader8Impl_GetObject\n", This, debugstr_guid(rguidClassID), debugstr_guid(iidInterfaceID), debugstr_w(pwzFilePath), ppObject);
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ObjDesc.dwSize = sizeof(DMUS_OBJECTDESC);
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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 */
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ObjDesc.guidClass = *rguidClassID;
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strncpyW (ObjDesc.wszFileName, pwzFilePath, MAX_PATH);
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return IDirectMusicLoader8Impl_GetObject (iface, &ObjDesc, iidInterfaceID, ppObject);
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}
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ICOM_VTABLE(IDirectMusicLoader8) DirectMusicLoader8_Vtbl =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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IDirectMusicLoader8Impl_QueryInterface,
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IDirectMusicLoader8Impl_AddRef,
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IDirectMusicLoader8Impl_Release,
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IDirectMusicLoader8Impl_GetObject,
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IDirectMusicLoader8Impl_SetObject,
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IDirectMusicLoader8Impl_SetSearchDirectory,
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IDirectMusicLoader8Impl_ScanDirectory,
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IDirectMusicLoader8Impl_CacheObject,
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IDirectMusicLoader8Impl_ReleaseObject,
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IDirectMusicLoader8Impl_ClearCache,
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IDirectMusicLoader8Impl_EnableCache,
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IDirectMusicLoader8Impl_EnumObject,
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IDirectMusicLoader8Impl_CollectGarbage,
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IDirectMusicLoader8Impl_ReleaseObjectByUnknown,
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IDirectMusicLoader8Impl_LoadObjectFromFile
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};
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/* for ClassFactory */
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HRESULT WINAPI DMUSIC_CreateDirectMusicLoader (LPCGUID lpcGUID, LPDIRECTMUSICLOADER8 *ppDMLoad, LPUNKNOWN pUnkOuter)
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{
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IDirectMusicLoader8Impl *dmloader;
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TRACE("(%p,%p,%p)\n",lpcGUID, ppDMLoad, pUnkOuter);
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if (IsEqualIID (lpcGUID, &IID_IDirectMusicLoader) ||
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IsEqualIID (lpcGUID, &IID_IDirectMusicLoader8)) {
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dmloader = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoader8Impl));
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if (NULL == dmloader) {
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*ppDMLoad = (LPDIRECTMUSICLOADER8)NULL;
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return E_OUTOFMEMORY;
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}
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dmloader->lpVtbl = &DirectMusicLoader8_Vtbl;
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dmloader->ref = 1;
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*ppDMLoad = (LPDIRECTMUSICLOADER8)dmloader;
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return S_OK;
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}
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WARN("No interface found\n");
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return E_NOINTERFACE;
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}
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/* help function for IDirectMusicLoader8Impl_GetObject */
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HRESULT WINAPI DMUSIC_GetDefaultGMPath (WCHAR wszPath[MAX_PATH])
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{
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HKEY hkDM;
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DWORD returnType, sizeOfReturnBuffer = MAX_PATH;
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char szPath[MAX_PATH];
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if ((RegOpenKeyExA (HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic" , 0, KEY_READ, &hkDM) != ERROR_SUCCESS) ||
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(RegQueryValueExA (hkDM, "GMFilePath", NULL, &returnType, szPath, &sizeOfReturnBuffer) != ERROR_SUCCESS)) {
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WARN(": registry entry missing\n" );
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return E_FAIL;
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}
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/* FIXME: Check return types to ensure we're interpreting data right */
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MultiByteToWideChar (CP_ACP, 0, szPath, -1, wszPath, MAX_PATH);
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return S_OK;
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}
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