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wine-wine/dlls/dmloader/container.c

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/* IDirectMusicContainerImpl
*
* 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);
WINE_DECLARE_DEBUG_CHANNEL(dmfile);
#define DMUS_MAX_CATEGORY_SIZE DMUS_MAX_CATEGORY*sizeof(WCHAR)
#define DMUS_MAX_NAME_SIZE DMUS_MAX_NAME*sizeof(WCHAR)
#define DMUS_MAX_FILENAME_SIZE DMUS_MAX_FILENAME*sizeof(WCHAR)
typedef struct riff_chunk {
FOURCC fccID;
DWORD dwSize;
} WINE_CHUNK;
/* contained object entry */
typedef struct container_entry {
struct list entry;
DMUS_OBJECTDESC Desc;
BOOL bIsRIFF;
DWORD dwFlags; /* DMUS_CONTAINED_OBJF_KEEP: keep object in loader's cache, even when container is released */
WCHAR *wszAlias;
IDirectMusicObject *pObject; /* needed when releasing from loader's cache on container release */
} WINE_CONTAINER_ENTRY, *LPWINE_CONTAINER_ENTRY;
/*****************************************************************************
* IDirectMusicContainerImpl implementation
*/
typedef struct IDirectMusicContainerImpl {
IDirectMusicContainer IDirectMusicContainer_iface;
struct dmobject dmobj;
LONG ref;
IStream *pStream;
DMUS_IO_CONTAINER_HEADER Header; /* header */
struct list *pContainedObjects; /* data */
} IDirectMusicContainerImpl;
static inline IDirectMusicContainerImpl *impl_from_IDirectMusicContainer(IDirectMusicContainer *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicContainerImpl, IDirectMusicContainer_iface);
}
static HRESULT destroy_dmcontainer(IDirectMusicContainerImpl *This)
{
LPDIRECTMUSICLOADER pLoader;
LPDIRECTMUSICGETLOADER pGetLoader;
struct list *pEntry;
LPWINE_CONTAINER_ENTRY pContainedObject;
/* get loader (from stream we loaded from) */
TRACE(": getting loader\n");
IStream_QueryInterface (This->pStream, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader);
IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
IDirectMusicGetLoader_Release (pGetLoader);
/* release objects from loader's cache (if appropriate) */
TRACE(": releasing objects from loader's cache\n");
LIST_FOR_EACH (pEntry, This->pContainedObjects) {
pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
/* my tests indicate that container releases objects *only*
if they were loaded at its load-time (makes sense, it doesn't
have pointers to objects otherwise); BTW: native container seems
to ignore the flags (I won't) */
if (pContainedObject->pObject && !(pContainedObject->dwFlags & DMUS_CONTAINED_OBJF_KEEP)) {
/* flags say it shouldn't be kept in loader's cache */
IDirectMusicLoader_ReleaseObject (pLoader, pContainedObject->pObject);
}
}
IDirectMusicLoader_Release (pLoader);
/* release stream we loaded from */
IStream_Release (This->pStream);
/* FIXME: release allocated entries */
return S_OK;
}
static HRESULT WINAPI IDirectMusicContainerImpl_QueryInterface(IDirectMusicContainer *iface, REFIID riid, void **ret_iface)
{
IDirectMusicContainerImpl *This = impl_from_IDirectMusicContainer(iface);
TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ret_iface);
if (IsEqualIID (riid, &IID_IUnknown) || IsEqualIID (riid, &IID_IDirectMusicContainer))
*ret_iface = &This->IDirectMusicContainer_iface;
else if (IsEqualIID (riid, &IID_IDirectMusicObject))
*ret_iface = &This->dmobj.IDirectMusicObject_iface;
else if (IsEqualIID (riid, &IID_IPersistStream))
*ret_iface = &This->dmobj.IPersistStream_iface;
else {
WARN("Unknown interface %s\n", debugstr_dmguid(riid));
*ret_iface = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ret_iface);
return S_OK;
}
static ULONG WINAPI IDirectMusicContainerImpl_AddRef(IDirectMusicContainer *iface)
{
IDirectMusicContainerImpl *This = impl_from_IDirectMusicContainer(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI IDirectMusicContainerImpl_Release(IDirectMusicContainer *iface)
{
IDirectMusicContainerImpl *This = impl_from_IDirectMusicContainer(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if (!ref) {
if (This->pStream)
destroy_dmcontainer(This);
HeapFree(GetProcessHeap(), 0, This);
unlock_module();
}
return ref;
}
static HRESULT WINAPI IDirectMusicContainerImpl_EnumObject(IDirectMusicContainer *iface,
REFGUID rguidClass, DWORD dwIndex, DMUS_OBJECTDESC *pDesc, WCHAR *pwszAlias)
{
IDirectMusicContainerImpl *This = impl_from_IDirectMusicContainer(iface);
struct list *pEntry;
LPWINE_CONTAINER_ENTRY pContainedObject;
DWORD dwCount = 0;
TRACE("(%p, %s, %d, %p, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc, pwszAlias);
if (!pDesc)
return E_POINTER;
if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
ERR(": invalid pDesc->dwSize %d\n", pDesc->dwSize);
return E_INVALIDARG;
}
DM_STRUCT_INIT(pDesc);
LIST_FOR_EACH (pEntry, This->pContainedObjects) {
pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pContainedObject->Desc.guidClass)) {
if (dwCount == dwIndex) {
HRESULT result = S_OK;
if (pwszAlias) {
lstrcpynW (pwszAlias, pContainedObject->wszAlias, DMUS_MAX_FILENAME);
if (lstrlenW (pContainedObject->wszAlias) > DMUS_MAX_FILENAME)
result = DMUS_S_STRING_TRUNCATED;
}
*pDesc = pContainedObject->Desc;
return result;
}
dwCount++;
}
}
TRACE(": not found\n");
return S_FALSE;
}
static const IDirectMusicContainerVtbl dmcontainer_vtbl = {
IDirectMusicContainerImpl_QueryInterface,
IDirectMusicContainerImpl_AddRef,
IDirectMusicContainerImpl_Release,
IDirectMusicContainerImpl_EnumObject
};
/* IDirectMusicObject part: */
static HRESULT WINAPI cont_IDirectMusicObject_ParseDescriptor(IDirectMusicObject *iface,
IStream *stream, DMUS_OBJECTDESC *desc)
{
struct chunk_entry riff = {0};
HRESULT hr;
TRACE("(%p, %p, %p)\n", iface, stream, desc);
if (!stream)
return E_POINTER;
if (!desc || desc->dwSize != sizeof(*desc))
return E_INVALIDARG;
if ((hr = stream_get_chunk(stream, &riff)) != S_OK)
return hr;
if (riff.id != FOURCC_RIFF || riff.type != DMUS_FOURCC_CONTAINER_FORM) {
TRACE("loading failed: unexpected %s\n", debugstr_chunk(&riff));
stream_skip_chunk(stream, &riff);
return DMUS_E_DESCEND_CHUNK_FAIL;
}
hr = dmobj_parsedescriptor(stream, &riff, desc,
DMUS_OBJ_OBJECT|DMUS_OBJ_CLASS|DMUS_OBJ_NAME|DMUS_OBJ_CATEGORY|DMUS_OBJ_VERSION);
if (FAILED(hr))
return hr;
desc->guidClass = CLSID_DirectMusicContainer;
desc->dwValidData |= DMUS_OBJ_CLASS;
TRACE("returning descriptor:\n");
dump_DMUS_OBJECTDESC (desc);
return S_OK;
}
static const IDirectMusicObjectVtbl dmobject_vtbl = {
dmobj_IDirectMusicObject_QueryInterface,
dmobj_IDirectMusicObject_AddRef,
dmobj_IDirectMusicObject_Release,
dmobj_IDirectMusicObject_GetDescriptor,
dmobj_IDirectMusicObject_SetDescriptor,
cont_IDirectMusicObject_ParseDescriptor
};
/* IPersistStream part: */
static inline IDirectMusicContainerImpl *impl_from_IPersistStream(IPersistStream *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicContainerImpl, dmobj.IPersistStream_iface);
}
static HRESULT WINAPI IPersistStreamImpl_Load(IPersistStream *iface, IStream *pStm)
{
IDirectMusicContainerImpl *This = impl_from_IPersistStream(iface);
WINE_CHUNK Chunk;
DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
LARGE_INTEGER liMove; /* used when skipping chunks */
ULARGE_INTEGER uliPos; /* needed when dealing with RIFF chunks */
LPDIRECTMUSICGETLOADER pGetLoader;
LPDIRECTMUSICLOADER pLoader;
HRESULT result = S_OK;
TRACE("(%p, %p):\n", This, pStm);
/* check whether pStm is valid read pointer */
if (IsBadReadPtr (pStm, sizeof(LPVOID))) {
ERR(": pStm bad read pointer\n");
return E_POINTER;
}
/* if stream is already set, this means the container is already loaded */
if (This->pStream) {
TRACE(": stream is already set, which means container is already loaded\n");
return DMUS_E_ALREADY_LOADED;
}
/* get loader since it will be needed later */
if (FAILED(IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader))) {
ERR(": stream not supported\n");
return DMUS_E_UNSUPPORTED_STREAM;
}
IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
IDirectMusicGetLoader_Release (pGetLoader);
This->pStream = pStm;
IStream_AddRef (pStm); /* add count for later references */
/* start with load */
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case FOURCC_RIFF: {
IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
StreamSize = Chunk.dwSize - sizeof(FOURCC);
StreamCount = 0;
switch (Chunk.fccID) {
case DMUS_FOURCC_CONTAINER_FORM: {
TRACE_(dmfile)(": container form\n");
This->dmobj.desc.guidClass = CLSID_DirectMusicContainer;
This->dmobj.desc.dwValidData |= DMUS_OBJ_CLASS;
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case DMUS_FOURCC_CONTAINER_CHUNK: {
IStream_Read (pStm, &This->Header, Chunk.dwSize, NULL);
TRACE_(dmfile)(": container header chunk:\n%s\n", debugstr_DMUS_IO_CONTAINER_HEADER(&This->Header));
break;
}
case DMUS_FOURCC_GUID_CHUNK: {
TRACE_(dmfile)(": GUID chunk\n");
IStream_Read (pStm, &This->dmobj.desc.guidObject, Chunk.dwSize, NULL);
This->dmobj.desc.dwValidData |= DMUS_OBJ_OBJECT;
break;
}
case DMUS_FOURCC_VERSION_CHUNK: {
TRACE_(dmfile)(": version chunk\n");
IStream_Read (pStm, &This->dmobj.desc.vVersion, Chunk.dwSize, NULL);
This->dmobj.desc.dwValidData |= DMUS_OBJ_VERSION;
break;
}
case DMUS_FOURCC_DATE_CHUNK: {
TRACE_(dmfile)(": date chunk\n");
IStream_Read (pStm, &This->dmobj.desc.ftDate, Chunk.dwSize, NULL);
This->dmobj.desc.dwValidData |= DMUS_OBJ_DATE;
break;
}
case DMUS_FOURCC_CATEGORY_CHUNK: {
TRACE_(dmfile)(": category chunk\n");
/* if it happens that string is too long,
read what we can and skip the rest*/
if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
IStream_Read (pStm, This->dmobj.desc.wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
} else {
IStream_Read (pStm, This->dmobj.desc.wszCategory, Chunk.dwSize, NULL);
}
This->dmobj.desc.dwValidData |= DMUS_OBJ_CATEGORY;
break;
}
case FOURCC_LIST: {
IStream_Read (pStm, &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) {
case DMUS_FOURCC_UNFO_LIST: {
TRACE_(dmfile)(": UNFO list\n");
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%08X)", 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");
/* if it happens that string is too long,
read what we can and skip the rest*/
if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
IStream_Read (pStm, This->dmobj.desc.wszName, DMUS_MAX_NAME_SIZE, NULL);
liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
} else {
IStream_Read (pStm, This->dmobj.desc.wszName, Chunk.dwSize, NULL);
}
This->dmobj.desc.dwValidData |= DMUS_OBJ_NAME;
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\n", ListCount[0], ListSize[0]);
} while (ListCount[0] < ListSize[0]);
break;
}
case DMUS_FOURCC_CONTAINED_OBJECTS_LIST: {
TRACE_(dmfile)(": contained objects list\n");
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case FOURCC_LIST: {
IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
ListCount[1] = 0;
switch (Chunk.fccID) {
case DMUS_FOURCC_CONTAINED_OBJECT_LIST: {
LPWINE_CONTAINER_ENTRY pNewEntry;
TRACE_(dmfile)(": contained object list\n");
pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_CONTAINER_ENTRY));
DM_STRUCT_INIT(&pNewEntry->Desc);
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK: {
TRACE_(dmfile)(": alias chunk\n");
pNewEntry->wszAlias = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
IStream_Read (pStm, pNewEntry->wszAlias, Chunk.dwSize, NULL);
TRACE_(dmfile)(": alias: %s\n", debugstr_w(pNewEntry->wszAlias));
break;
}
case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK: {
DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader;
IStream_Read (pStm, &tmpObjectHeader, Chunk.dwSize, NULL);
TRACE_(dmfile)(": contained object header:\n%s\n", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader));
/* copy guidClass */
pNewEntry->Desc.dwValidData |= DMUS_OBJ_CLASS;
pNewEntry->Desc.guidClass = tmpObjectHeader.guidClassID;
/* store flags */
pNewEntry->dwFlags = tmpObjectHeader.dwFlags;
break;
}
/* now read data... it may be safe to read everything after object header chunk,
but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
case FOURCC_LIST: {
IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
ListCount[2] = 0;
switch (Chunk.fccID) {
case DMUS_FOURCC_REF_LIST: {
TRACE_(dmfile)(": reference list\n");
pNewEntry->bIsRIFF = 0;
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[2] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%08X)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case DMUS_FOURCC_REF_CHUNK: {
DMUS_IO_REFERENCE tmpReferenceHeader; /* temporary structure */
TRACE_(dmfile)(": reference header chunk\n");
memset (&tmpReferenceHeader, 0, sizeof(DMUS_IO_REFERENCE));
IStream_Read (pStm, &tmpReferenceHeader, Chunk.dwSize, NULL);
/* copy retrieved data to DMUS_OBJECTDESC */
if (!IsEqualCLSID (&pNewEntry->Desc.guidClass, &tmpReferenceHeader.guidClassID)) ERR(": object header declares different CLSID than reference header?\n");
/* it shouldn't be necessary to copy guidClass, since it was set in contained object header already...
yet if they happen to be different, I'd rather stick to this one */
pNewEntry->Desc.guidClass = tmpReferenceHeader.guidClassID;
pNewEntry->Desc.dwValidData |= tmpReferenceHeader.dwValidData;
break;
}
case DMUS_FOURCC_GUID_CHUNK: {
TRACE_(dmfile)(": guid chunk\n");
/* no need to set flags since they were copied from reference header */
IStream_Read (pStm, &pNewEntry->Desc.guidObject, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_DATE_CHUNK: {
TRACE_(dmfile)(": file date chunk\n");
/* no need to set flags since they were copied from reference header */
IStream_Read (pStm, &pNewEntry->Desc.ftDate, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_NAME_CHUNK: {
TRACE_(dmfile)(": name chunk\n");
/* no need to set flags since they were copied from reference header */
IStream_Read (pStm, pNewEntry->Desc.wszName, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_FILE_CHUNK: {
TRACE_(dmfile)(": file name chunk\n");
/* no need to set flags since they were copied from reference header */
IStream_Read (pStm, pNewEntry->Desc.wszFileName, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_CATEGORY_CHUNK: {
TRACE_(dmfile)(": category chunk\n");
/* no need to set flags since they were copied from reference header */
IStream_Read (pStm, pNewEntry->Desc.wszCategory, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_VERSION_CHUNK: {
TRACE_(dmfile)(": version chunk\n");
/* no need to set flags since they were copied from reference header */
IStream_Read (pStm, &pNewEntry->Desc.vVersion, Chunk.dwSize, NULL);
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip this chunk */
break;
}
}
TRACE_(dmfile)(": ListCount[2] = 0x%08X < ListSize[2] = 0x%08X\n", ListCount[2], ListSize[2]);
} while (ListCount[2] < ListSize[2]);
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
return E_FAIL;
}
}
break;
}
case FOURCC_RIFF: {
IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
if (IS_VALID_DMFORM (Chunk.fccID)) {
TRACE_(dmfile)(": valid DMUSIC form\n");
pNewEntry->bIsRIFF = 1;
/* we'll have to skip whole RIFF chunk after SetObject is called */
liMove.QuadPart = 0;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, &uliPos);
uliPos.QuadPart += (Chunk.dwSize - sizeof(FOURCC)); /* set uliPos at the end of RIFF chunk */
/* move at the beginning of RIFF chunk */
liMove.QuadPart = 0;
liMove.QuadPart -= (sizeof(FOURCC)+sizeof(DWORD)+sizeof(FOURCC));
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
/* put pointer to stream in descriptor */
pNewEntry->Desc.dwValidData |= DMUS_OBJ_STREAM;
pNewEntry->Desc.pStream = pStm; /* we don't have to worry about cloning, since SetObject will perform it */
/* wait till we get on the end of object list */
} else {
TRACE_(dmfile)(": invalid DMUSIC form (skipping)\n");
liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
/* FIXME: should we return E_FAIL? */
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": ListCount[1] = 0x%08X < ListSize[1] = 0x%08X\n", ListCount[1], ListSize[1]);
} while (ListCount[1] < ListSize[1]);
/* SetObject: this will fill descriptor with additional info and add alias in loader's cache */
IDirectMusicLoader_SetObject (pLoader, &pNewEntry->Desc);
/* now that SetObject collected appropriate info into descriptor we can live happily ever after;
or not, since we have to clean evidence of loading through stream... *sigh*
and we have to skip rest of the chunk, if we loaded through RIFF */
if (pNewEntry->bIsRIFF) {
liMove.QuadPart = uliPos.QuadPart;
IStream_Seek (pStm, liMove, STREAM_SEEK_SET, NULL);
pNewEntry->Desc.dwValidData &= ~DMUS_OBJ_STREAM; /* clear flag (and with bitwise complement) */
pNewEntry->Desc.pStream = NULL;
}
/* add entry to list of objects */
list_add_tail (This->pContainedObjects, &pNewEntry->entry);
break;
}
default: {
TRACE_(dmfile)(": unknown (skipping)\n");
liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": ListCount[0] = 0x%08X < ListSize[0] = 0x%08X\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 (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": StreamCount[0] = 0x%08X < StreamSize[0] = 0x%08X\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");
This->dmobj.desc.dwValidData |= DMUS_OBJ_LOADED;
dump_DMUS_OBJECTDESC(&This->dmobj.desc);
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return E_FAIL;
}
}
/* now, if DMUS_CONTAINER_NOLOADS is not set, we are supposed to load contained objects;
so when we call GetObject later, they'll already be in cache */
if (!(This->Header.dwFlags & DMUS_CONTAINER_NOLOADS)) {
struct list *pEntry;
LPWINE_CONTAINER_ENTRY pContainedObject;
TRACE(": DMUS_CONTAINER_NOLOADS not set... load all objects\n");
LIST_FOR_EACH (pEntry, This->pContainedObjects) {
IDirectMusicObject* pObject;
pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
/* get object from loader and then release it */
if (SUCCEEDED(IDirectMusicLoader_GetObject (pLoader, &pContainedObject->Desc, &IID_IDirectMusicObject, (LPVOID*)&pObject))) {
pContainedObject->pObject = pObject; /* for final release */
IDirectMusicObject_Release (pObject); /* we don't really need this one */
} else {
WARN(": failed to load contained object\n");
result = DMUS_S_PARTIALLOAD;
}
}
}
IDirectMusicLoader_Release (pLoader); /* release loader */
return result;
}
static const IPersistStreamVtbl persiststream_vtbl = {
dmobj_IPersistStream_QueryInterface,
dmobj_IPersistStream_AddRef,
dmobj_IPersistStream_Release,
dmobj_IPersistStream_GetClassID,
unimpl_IPersistStream_IsDirty,
IPersistStreamImpl_Load,
unimpl_IPersistStream_Save,
unimpl_IPersistStream_GetSizeMax
};
/* for ClassFactory */
HRESULT WINAPI create_dmcontainer(REFIID lpcGUID, void **ppobj)
{
IDirectMusicContainerImpl* obj;
HRESULT hr;
obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicContainerImpl));
if (NULL == obj) {
*ppobj = NULL;
return E_OUTOFMEMORY;
}
obj->IDirectMusicContainer_iface.lpVtbl = &dmcontainer_vtbl;
obj->ref = 1;
dmobject_init(&obj->dmobj, &CLSID_DirectMusicContainer,
(IUnknown*)&obj->IDirectMusicContainer_iface);
obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
obj->pContainedObjects = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(struct list));
list_init (obj->pContainedObjects);
lock_module();
hr = IDirectMusicContainer_QueryInterface(&obj->IDirectMusicContainer_iface, lpcGUID, ppobj);
IDirectMusicContainer_Release(&obj->IDirectMusicContainer_iface);
return hr;
}
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