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wine/dlls/dmime/graph.c

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/* IDirectMusicGraph
*
* 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 "dmime_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmime);
WINE_DECLARE_DEBUG_CHANNEL(dmfile);
/*****************************************************************************
* IDirectMusicGraphImpl implementation
*/
/* IDirectMusicGraphImpl IUnknown part: */
static HRESULT WINAPI IDirectMusicGraphImpl_IUnknown_QueryInterface (LPUNKNOWN iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, UnknownVtbl, iface);
TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
if (IsEqualIID (riid, &IID_IUnknown)) {
*ppobj = &This->UnknownVtbl;
IUnknown_AddRef (iface);
return S_OK;
} else if (IsEqualIID (riid, &IID_IDirectMusicGraph)) {
*ppobj = &This->GraphVtbl;
IUnknown_AddRef (iface);
return S_OK;
} else if (IsEqualIID (riid, &IID_IDirectMusicObject)) {
*ppobj = &This->ObjectVtbl;
IUnknown_AddRef (iface);
return S_OK;
} else if (IsEqualIID (riid, &IID_IPersistStream)) {
*ppobj = &This->PersistStreamVtbl;
IUnknown_AddRef (iface);
return S_OK;
}
WARN("(%p, %s, %p): not found\n", This, debugstr_guid(riid), ppobj);
return E_NOINTERFACE;
}
static ULONG WINAPI IDirectMusicGraphImpl_IUnknown_AddRef (LPUNKNOWN iface) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, UnknownVtbl, iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p): AddRef from %d\n", This, ref - 1);
DMIME_LockModule();
return ref;
}
static ULONG WINAPI IDirectMusicGraphImpl_IUnknown_Release (LPUNKNOWN iface) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, UnknownVtbl, iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p): ReleaseRef to %d\n", This, ref);
if (ref == 0) {
HeapFree(GetProcessHeap(), 0, This);
}
DMIME_UnlockModule();
return ref;
}
static const IUnknownVtbl DirectMusicGraph_Unknown_Vtbl = {
IDirectMusicGraphImpl_IUnknown_QueryInterface,
IDirectMusicGraphImpl_IUnknown_AddRef,
IDirectMusicGraphImpl_IUnknown_Release
};
/* IDirectMusicGraphImpl IDirectMusicGraph part: */
static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_QueryInterface (LPDIRECTMUSICGRAPH iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
}
static ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_AddRef (LPDIRECTMUSICGRAPH iface) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
}
static ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_Release (LPDIRECTMUSICGRAPH iface) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
}
static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_StampPMsg (LPDIRECTMUSICGRAPH iface, DMUS_PMSG* pPMSG) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
FIXME("(%p, %p): stub\n", This, pPMSG);
return S_OK;
}
static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_InsertTool (LPDIRECTMUSICGRAPH iface, IDirectMusicTool* pTool, DWORD* pdwPChannels, DWORD cPChannels, LONG lIndex) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
struct list* pEntry = NULL;
struct list* pPrevEntry = NULL;
LPDMUS_PRIVATE_GRAPH_TOOL pIt = NULL;
LPDMUS_PRIVATE_GRAPH_TOOL pNewTool = NULL;
FIXME("(%p, %p, %p, %d, %i): use of pdwPChannels\n", This, pTool, pdwPChannels, cPChannels, lIndex);
if (NULL == pTool) {
return E_POINTER;
}
if (0 > lIndex) {
lIndex = This->num_tools + lIndex;
}
pPrevEntry = &This->Tools;
LIST_FOR_EACH (pEntry, &This->Tools) {
pIt = LIST_ENTRY(pEntry, DMUS_PRIVATE_GRAPH_TOOL, entry);
if (pIt->dwIndex == lIndex) {
return DMUS_E_ALREADY_EXISTS;
}
if (pIt->dwIndex > lIndex) {
break ;
}
pPrevEntry = pEntry;
}
++This->num_tools;
pNewTool = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(DMUS_PRIVATE_GRAPH_TOOL));
pNewTool->pTool = pTool;
pNewTool->dwIndex = lIndex;
IDirectMusicTool8_AddRef(pTool);
IDirectMusicTool8_Init(pTool, iface);
list_add_tail (pPrevEntry->next, &pNewTool->entry);
#if 0
DWORD dwNum = 0;
IDirectMusicTool8_GetMediaTypes(pTool, &dwNum);
#endif
return DS_OK;
}
static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_GetTool (LPDIRECTMUSICGRAPH iface, DWORD dwIndex, IDirectMusicTool** ppTool) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
struct list* pEntry = NULL;
LPDMUS_PRIVATE_GRAPH_TOOL pIt = NULL;
FIXME("(%p, %d, %p): stub\n", This, dwIndex, ppTool);
LIST_FOR_EACH (pEntry, &This->Tools) {
pIt = LIST_ENTRY(pEntry, DMUS_PRIVATE_GRAPH_TOOL, entry);
if (pIt->dwIndex == dwIndex) {
*ppTool = pIt->pTool;
if (NULL != *ppTool) {
IDirectMusicTool8_AddRef((LPDIRECTMUSICTOOL8) *ppTool);
}
return S_OK;
}
if (pIt->dwIndex > dwIndex) {
break ;
}
}
return DMUS_E_NOT_FOUND;
}
static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool (LPDIRECTMUSICGRAPH iface, IDirectMusicTool* pTool) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, GraphVtbl, iface);
FIXME("(%p, %p): stub\n", This, pTool);
return S_OK;
}
static const IDirectMusicGraphVtbl DirectMusicGraph_Graph_Vtbl = {
IDirectMusicGraphImpl_IDirectMusicGraph_QueryInterface,
IDirectMusicGraphImpl_IDirectMusicGraph_AddRef,
IDirectMusicGraphImpl_IDirectMusicGraph_Release,
IDirectMusicGraphImpl_IDirectMusicGraph_StampPMsg,
IDirectMusicGraphImpl_IDirectMusicGraph_InsertTool,
IDirectMusicGraphImpl_IDirectMusicGraph_GetTool,
IDirectMusicGraphImpl_IDirectMusicGraph_RemoveTool
};
/* IDirectMusicGraphImpl IDirectMusicObject part: */
static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface (LPDIRECTMUSICOBJECT iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
return IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
}
static ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_AddRef (LPDIRECTMUSICOBJECT iface) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
return IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
}
static ULONG WINAPI IDirectMusicGraphImpl_IDirectMusicObject_Release (LPDIRECTMUSICOBJECT iface) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
return IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
}
static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
TRACE("(%p, %p)\n", This, pDesc);
/* I think we shouldn't return pointer here since then values can be changed; it'd be a mess */
memcpy (pDesc, This->pDesc, This->pDesc->dwSize);
return S_OK;
}
static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor (LPDIRECTMUSICOBJECT iface, LPDMUS_OBJECTDESC pDesc) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
TRACE("(%p, %p): setting descriptor:\n%s\n", This, pDesc, debugstr_DMUS_OBJECTDESC (pDesc));
/* According to MSDN, we should copy only given values, not whole struct */
if (pDesc->dwValidData & DMUS_OBJ_OBJECT)
This->pDesc->guidObject = pDesc->guidObject;
if (pDesc->dwValidData & DMUS_OBJ_CLASS)
This->pDesc->guidClass = pDesc->guidClass;
if (pDesc->dwValidData & DMUS_OBJ_NAME)
lstrcpynW (This->pDesc->wszName, pDesc->wszName, DMUS_MAX_NAME);
if (pDesc->dwValidData & DMUS_OBJ_CATEGORY)
lstrcpynW (This->pDesc->wszCategory, pDesc->wszCategory, DMUS_MAX_CATEGORY);
if (pDesc->dwValidData & DMUS_OBJ_FILENAME)
lstrcpynW (This->pDesc->wszFileName, pDesc->wszFileName, DMUS_MAX_FILENAME);
if (pDesc->dwValidData & DMUS_OBJ_VERSION)
This->pDesc->vVersion = pDesc->vVersion;
if (pDesc->dwValidData & DMUS_OBJ_DATE)
This->pDesc->ftDate = pDesc->ftDate;
if (pDesc->dwValidData & DMUS_OBJ_MEMORY) {
This->pDesc->llMemLength = pDesc->llMemLength;
memcpy (This->pDesc->pbMemData, pDesc->pbMemData, pDesc->llMemLength);
}
if (pDesc->dwValidData & DMUS_OBJ_STREAM) {
/* according to MSDN, we copy the stream */
IStream_Clone (pDesc->pStream, &This->pDesc->pStream);
}
/* add new flags */
This->pDesc->dwValidData |= pDesc->dwValidData;
return S_OK;
}
static HRESULT WINAPI IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor (LPDIRECTMUSICOBJECT iface, LPSTREAM pStream, LPDMUS_OBJECTDESC pDesc) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, ObjectVtbl, iface);
DMUS_PRIVATE_CHUNK Chunk;
DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
LARGE_INTEGER liMove; /* used when skipping chunks */
TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
/* FIXME: should this be determined from stream? */
pDesc->dwValidData |= DMUS_OBJ_CLASS;
pDesc->guidClass = CLSID_DirectMusicGraph;
IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case FOURCC_RIFF: {
IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
StreamSize = Chunk.dwSize - sizeof(FOURCC);
StreamCount = 0;
if (Chunk.fccID == DMUS_FOURCC_TOOLGRAPH_FORM) {
TRACE_(dmfile)(": graph form\n");
do {
IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case DMUS_FOURCC_GUID_CHUNK: {
TRACE_(dmfile)(": GUID chunk\n");
pDesc->dwValidData |= DMUS_OBJ_OBJECT;
IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_VERSION_CHUNK: {
TRACE_(dmfile)(": version chunk\n");
pDesc->dwValidData |= DMUS_OBJ_VERSION;
IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_CATEGORY_CHUNK: {
TRACE_(dmfile)(": category chunk\n");
pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
break;
}
case FOURCC_LIST: {
IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
ListCount[0] = 0;
switch (Chunk.fccID) {
/* evil M$ UNFO list, which can (!?) contain INFO elements */
case DMUS_FOURCC_UNFO_LIST: {
TRACE_(dmfile)(": UNFO list\n");
do {
IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
/* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
(though strings seem to be valid unicode) */
case mmioFOURCC('I','N','A','M'):
case DMUS_FOURCC_UNAM_CHUNK: {
TRACE_(dmfile)(": name chunk\n");
pDesc->dwValidData |= DMUS_OBJ_NAME;
IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
break;
}
case mmioFOURCC('I','A','R','T'):
case DMUS_FOURCC_UART_CHUNK: {
TRACE_(dmfile)(": artist chunk (ignored)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','C','O','P'):
case DMUS_FOURCC_UCOP_CHUNK: {
TRACE_(dmfile)(": copyright chunk (ignored)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','S','B','J'):
case DMUS_FOURCC_USBJ_CHUNK: {
TRACE_(dmfile)(": subject chunk (ignored)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','C','M','T'):
case DMUS_FOURCC_UCMT_CHUNK: {
TRACE_(dmfile)(": comment chunk (ignored)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
} while (ListCount[0] < ListSize[0]);
break;
}
default: {
TRACE_(dmfile)(": unknown (skipping)\n");
liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
} while (StreamCount < StreamSize);
} else {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = StreamSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return E_FAIL;
}
TRACE_(dmfile)(": reading finished\n");
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return DMUS_E_INVALIDFILE;
}
}
TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
return S_OK;
}
static const IDirectMusicObjectVtbl DirectMusicGraph_Object_Vtbl = {
IDirectMusicGraphImpl_IDirectMusicObject_QueryInterface,
IDirectMusicGraphImpl_IDirectMusicObject_AddRef,
IDirectMusicGraphImpl_IDirectMusicObject_Release,
IDirectMusicGraphImpl_IDirectMusicObject_GetDescriptor,
IDirectMusicGraphImpl_IDirectMusicObject_SetDescriptor,
IDirectMusicGraphImpl_IDirectMusicObject_ParseDescriptor
};
/* IDirectMusicGraphImpl IPersistStream part: */
static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_QueryInterface (LPPERSISTSTREAM iface, REFIID riid, LPVOID *ppobj) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&This->UnknownVtbl, riid, ppobj);
}
static ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_AddRef (LPPERSISTSTREAM iface) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
return IDirectMusicGraphImpl_IUnknown_AddRef ((LPUNKNOWN)&This->UnknownVtbl);
}
static ULONG WINAPI IDirectMusicGraphImpl_IPersistStream_Release (LPPERSISTSTREAM iface) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
return IDirectMusicGraphImpl_IUnknown_Release ((LPUNKNOWN)&This->UnknownVtbl);
}
static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetClassID (LPPERSISTSTREAM iface, CLSID* pClassID) {
return E_NOTIMPL;
}
static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_IsDirty (LPPERSISTSTREAM iface) {
return E_NOTIMPL;
}
static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Load (LPPERSISTSTREAM iface, IStream* pStm) {
ICOM_THIS_MULTI(IDirectMusicGraphImpl, PersistStreamVtbl, iface);
FOURCC chunkID;
DWORD chunkSize, StreamSize, StreamCount, ListSize[3], ListCount[3];
LARGE_INTEGER liMove; /* used when skipping chunks */
FIXME("(%p, %p): Loading not implemented yet\n", This, pStm);
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
IStream_Read (pStm, &chunkSize, sizeof(DWORD), NULL);
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
switch (chunkID) {
case FOURCC_RIFF: {
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(chunkID));
StreamSize = chunkSize - sizeof(FOURCC);
StreamCount = 0;
switch (chunkID) {
case DMUS_FOURCC_TOOLGRAPH_FORM: {
TRACE_(dmfile)(": graph form\n");
do {
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
StreamCount += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
switch (chunkID) {
case DMUS_FOURCC_GUID_CHUNK: {
TRACE_(dmfile)(": GUID chunk\n");
This->pDesc->dwValidData |= DMUS_OBJ_OBJECT;
IStream_Read (pStm, &This->pDesc->guidObject, chunkSize, NULL);
break;
}
case DMUS_FOURCC_VERSION_CHUNK: {
TRACE_(dmfile)(": version chunk\n");
This->pDesc->dwValidData |= DMUS_OBJ_VERSION;
IStream_Read (pStm, &This->pDesc->vVersion, chunkSize, NULL);
break;
}
case DMUS_FOURCC_CATEGORY_CHUNK: {
TRACE_(dmfile)(": category chunk\n");
This->pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
IStream_Read (pStm, This->pDesc->wszCategory, chunkSize, NULL);
break;
}
case FOURCC_LIST: {
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(chunkID));
ListSize[0] = chunkSize - sizeof(FOURCC);
ListCount[0] = 0;
switch (chunkID) {
case DMUS_FOURCC_UNFO_LIST: {
TRACE_(dmfile)(": UNFO list\n");
do {
IStream_Read (pStm, &chunkID, sizeof(FOURCC), NULL);
IStream_Read (pStm, &chunkSize, sizeof(FOURCC), NULL);
ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + chunkSize;
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (chunkID), chunkSize);
switch (chunkID) {
/* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
(though strings seem to be valid unicode) */
case mmioFOURCC('I','N','A','M'):
case DMUS_FOURCC_UNAM_CHUNK: {
TRACE_(dmfile)(": name chunk\n");
This->pDesc->dwValidData |= DMUS_OBJ_NAME;
IStream_Read (pStm, This->pDesc->wszName, chunkSize, NULL);
break;
}
case mmioFOURCC('I','A','R','T'):
case DMUS_FOURCC_UART_CHUNK: {
TRACE_(dmfile)(": artist chunk (ignored)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','C','O','P'):
case DMUS_FOURCC_UCOP_CHUNK: {
TRACE_(dmfile)(": copyright chunk (ignored)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','S','B','J'):
case DMUS_FOURCC_USBJ_CHUNK: {
TRACE_(dmfile)(": subject chunk (ignored)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','C','M','T'):
case DMUS_FOURCC_UCMT_CHUNK: {
TRACE_(dmfile)(": comment chunk (ignored)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
} while (ListCount[0] < ListSize[0]);
break;
}
default: {
TRACE_(dmfile)(": unknown (skipping)\n");
liMove.QuadPart = chunkSize - sizeof(FOURCC);
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
} while (StreamCount < StreamSize);
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = StreamSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return E_FAIL;
}
}
TRACE_(dmfile)(": reading finished\n");
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = chunkSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return E_FAIL;
}
}
return S_OK;
}
static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_Save (LPPERSISTSTREAM iface, IStream* pStm, BOOL fClearDirty) {
return E_NOTIMPL;
}
static HRESULT WINAPI IDirectMusicGraphImpl_IPersistStream_GetSizeMax (LPPERSISTSTREAM iface, ULARGE_INTEGER* pcbSize) {
return E_NOTIMPL;
}
static const IPersistStreamVtbl DirectMusicGraph_PersistStream_Vtbl = {
IDirectMusicGraphImpl_IPersistStream_QueryInterface,
IDirectMusicGraphImpl_IPersistStream_AddRef,
IDirectMusicGraphImpl_IPersistStream_Release,
IDirectMusicGraphImpl_IPersistStream_GetClassID,
IDirectMusicGraphImpl_IPersistStream_IsDirty,
IDirectMusicGraphImpl_IPersistStream_Load,
IDirectMusicGraphImpl_IPersistStream_Save,
IDirectMusicGraphImpl_IPersistStream_GetSizeMax
};
/* for ClassFactory */
HRESULT WINAPI DMUSIC_CreateDirectMusicGraphImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
IDirectMusicGraphImpl* obj;
obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicGraphImpl));
if (NULL == obj) {
*ppobj = NULL;
return E_OUTOFMEMORY;
}
obj->UnknownVtbl = &DirectMusicGraph_Unknown_Vtbl;
obj->GraphVtbl = &DirectMusicGraph_Graph_Vtbl;
obj->ObjectVtbl = &DirectMusicGraph_Object_Vtbl;
obj->PersistStreamVtbl = &DirectMusicGraph_PersistStream_Vtbl;
obj->pDesc = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DMUS_OBJECTDESC));
DM_STRUCT_INIT(obj->pDesc);
obj->pDesc->dwValidData |= DMUS_OBJ_CLASS;
obj->pDesc->guidClass = CLSID_DirectMusicGraph;
obj->ref = 0; /* will be inited by QueryInterface */
list_init (&obj->Tools);
return IDirectMusicGraphImpl_IUnknown_QueryInterface ((LPUNKNOWN)&obj->UnknownVtbl, lpcGUID, ppobj);
}
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