676 lines
28 KiB
C
676 lines
28 KiB
C
/* IDirectMusicContainerImpl
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*
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* Copyright (C) 2003-2004 Rok Mandeljc
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "dmloader_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dmloader);
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WINE_DECLARE_DEBUG_CHANNEL(dmfile);
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#define DMUS_MAX_CATEGORY_SIZE DMUS_MAX_CATEGORY*sizeof(WCHAR)
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#define DMUS_MAX_NAME_SIZE DMUS_MAX_NAME*sizeof(WCHAR)
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#define DMUS_MAX_FILENAME_SIZE DMUS_MAX_FILENAME*sizeof(WCHAR)
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typedef struct riff_chunk {
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FOURCC fccID;
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DWORD dwSize;
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} WINE_CHUNK;
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/* contained object entry */
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typedef struct container_entry {
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struct list entry;
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DMUS_OBJECTDESC Desc;
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BOOL bIsRIFF;
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DWORD dwFlags; /* DMUS_CONTAINED_OBJF_KEEP: keep object in loader's cache, even when container is released */
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WCHAR *wszAlias;
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IDirectMusicObject *pObject; /* needed when releasing from loader's cache on container release */
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} WINE_CONTAINER_ENTRY, *LPWINE_CONTAINER_ENTRY;
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/*****************************************************************************
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* IDirectMusicContainerImpl implementation
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*/
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typedef struct IDirectMusicContainerImpl {
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IDirectMusicContainer IDirectMusicContainer_iface;
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struct dmobject dmobj;
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LONG ref;
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IStream *pStream;
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DMUS_IO_CONTAINER_HEADER Header; /* header */
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struct list *pContainedObjects; /* data */
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} IDirectMusicContainerImpl;
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static inline IDirectMusicContainerImpl *impl_from_IDirectMusicContainer(IDirectMusicContainer *iface)
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{
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return CONTAINING_RECORD(iface, IDirectMusicContainerImpl, IDirectMusicContainer_iface);
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}
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static HRESULT destroy_dmcontainer(IDirectMusicContainerImpl *This)
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{
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LPDIRECTMUSICLOADER pLoader;
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LPDIRECTMUSICGETLOADER pGetLoader;
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struct list *pEntry;
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LPWINE_CONTAINER_ENTRY pContainedObject;
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/* get loader (from stream we loaded from) */
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TRACE(": getting loader\n");
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IStream_QueryInterface (This->pStream, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader);
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IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
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IDirectMusicGetLoader_Release (pGetLoader);
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/* release objects from loader's cache (if appropriate) */
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TRACE(": releasing objects from loader's cache\n");
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LIST_FOR_EACH (pEntry, This->pContainedObjects) {
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pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
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/* my tests indicate that container releases objects *only*
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if they were loaded at its load-time (makes sense, it doesn't
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have pointers to objects otherwise); BTW: native container seems
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to ignore the flags (I won't) */
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if (pContainedObject->pObject && !(pContainedObject->dwFlags & DMUS_CONTAINED_OBJF_KEEP)) {
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/* flags say it shouldn't be kept in loader's cache */
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IDirectMusicLoader_ReleaseObject (pLoader, pContainedObject->pObject);
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}
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}
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IDirectMusicLoader_Release (pLoader);
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/* release stream we loaded from */
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IStream_Release (This->pStream);
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/* FIXME: release allocated entries */
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return S_OK;
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}
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static HRESULT WINAPI IDirectMusicContainerImpl_QueryInterface(IDirectMusicContainer *iface, REFIID riid, void **ret_iface)
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{
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IDirectMusicContainerImpl *This = impl_from_IDirectMusicContainer(iface);
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TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ret_iface);
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if (IsEqualIID (riid, &IID_IUnknown) || IsEqualIID (riid, &IID_IDirectMusicContainer))
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*ret_iface = &This->IDirectMusicContainer_iface;
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else if (IsEqualIID (riid, &IID_IDirectMusicObject))
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*ret_iface = &This->dmobj.IDirectMusicObject_iface;
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else if (IsEqualIID (riid, &IID_IPersistStream))
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*ret_iface = &This->dmobj.IPersistStream_iface;
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else {
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WARN("Unknown interface %s\n", debugstr_dmguid(riid));
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*ret_iface = NULL;
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return E_NOINTERFACE;
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}
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IUnknown_AddRef((IUnknown*)*ret_iface);
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return S_OK;
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}
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static ULONG WINAPI IDirectMusicContainerImpl_AddRef(IDirectMusicContainer *iface)
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{
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IDirectMusicContainerImpl *This = impl_from_IDirectMusicContainer(iface);
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LONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) ref=%ld\n", This, ref);
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return ref;
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}
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static ULONG WINAPI IDirectMusicContainerImpl_Release(IDirectMusicContainer *iface)
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{
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IDirectMusicContainerImpl *This = impl_from_IDirectMusicContainer(iface);
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LONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) ref=%ld\n", This, ref);
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if (!ref) {
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if (This->pStream)
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destroy_dmcontainer(This);
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HeapFree(GetProcessHeap(), 0, This);
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unlock_module();
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}
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return ref;
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}
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static HRESULT WINAPI IDirectMusicContainerImpl_EnumObject(IDirectMusicContainer *iface,
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REFGUID rguidClass, DWORD dwIndex, DMUS_OBJECTDESC *pDesc, WCHAR *pwszAlias)
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{
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IDirectMusicContainerImpl *This = impl_from_IDirectMusicContainer(iface);
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struct list *pEntry;
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LPWINE_CONTAINER_ENTRY pContainedObject;
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DWORD dwCount = 0;
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TRACE("(%p, %s, %ld, %p, %p)\n", This, debugstr_dmguid(rguidClass), dwIndex, pDesc, pwszAlias);
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if (!pDesc)
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return E_POINTER;
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if (pDesc->dwSize != sizeof(DMUS_OBJECTDESC)) {
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ERR(": invalid pDesc->dwSize %ld\n", pDesc->dwSize);
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return E_INVALIDARG;
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}
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DM_STRUCT_INIT(pDesc);
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LIST_FOR_EACH (pEntry, This->pContainedObjects) {
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pContainedObject = LIST_ENTRY (pEntry, WINE_CONTAINER_ENTRY, entry);
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if (IsEqualGUID (rguidClass, &GUID_DirectMusicAllTypes) || IsEqualGUID (rguidClass, &pContainedObject->Desc.guidClass)) {
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if (dwCount == dwIndex) {
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HRESULT result = S_OK;
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if (pwszAlias) {
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lstrcpynW (pwszAlias, pContainedObject->wszAlias, DMUS_MAX_FILENAME);
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if (lstrlenW (pContainedObject->wszAlias) > DMUS_MAX_FILENAME)
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result = DMUS_S_STRING_TRUNCATED;
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}
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*pDesc = pContainedObject->Desc;
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return result;
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}
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dwCount++;
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}
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}
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TRACE(": not found\n");
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return S_FALSE;
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}
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static const IDirectMusicContainerVtbl dmcontainer_vtbl = {
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IDirectMusicContainerImpl_QueryInterface,
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IDirectMusicContainerImpl_AddRef,
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IDirectMusicContainerImpl_Release,
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IDirectMusicContainerImpl_EnumObject
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};
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/* IDirectMusicObject part: */
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static HRESULT WINAPI cont_IDirectMusicObject_ParseDescriptor(IDirectMusicObject *iface,
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IStream *stream, DMUS_OBJECTDESC *desc)
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{
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struct chunk_entry riff = {0};
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HRESULT hr;
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TRACE("(%p, %p, %p)\n", iface, stream, desc);
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if (!stream)
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return E_POINTER;
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if (!desc || desc->dwSize != sizeof(*desc))
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return E_INVALIDARG;
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if ((hr = stream_get_chunk(stream, &riff)) != S_OK)
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return hr;
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if (riff.id != FOURCC_RIFF || riff.type != DMUS_FOURCC_CONTAINER_FORM) {
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TRACE("loading failed: unexpected %s\n", debugstr_chunk(&riff));
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stream_skip_chunk(stream, &riff);
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return DMUS_E_DESCEND_CHUNK_FAIL;
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}
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hr = dmobj_parsedescriptor(stream, &riff, desc,
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DMUS_OBJ_OBJECT|DMUS_OBJ_CLASS|DMUS_OBJ_NAME|DMUS_OBJ_CATEGORY|DMUS_OBJ_VERSION);
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if (FAILED(hr))
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return hr;
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desc->guidClass = CLSID_DirectMusicContainer;
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desc->dwValidData |= DMUS_OBJ_CLASS;
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TRACE("returning descriptor:\n");
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dump_DMUS_OBJECTDESC (desc);
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return S_OK;
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}
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static const IDirectMusicObjectVtbl dmobject_vtbl = {
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dmobj_IDirectMusicObject_QueryInterface,
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dmobj_IDirectMusicObject_AddRef,
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dmobj_IDirectMusicObject_Release,
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dmobj_IDirectMusicObject_GetDescriptor,
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dmobj_IDirectMusicObject_SetDescriptor,
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cont_IDirectMusicObject_ParseDescriptor
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};
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/* IPersistStream part: */
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static inline IDirectMusicContainerImpl *impl_from_IPersistStream(IPersistStream *iface)
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{
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return CONTAINING_RECORD(iface, IDirectMusicContainerImpl, dmobj.IPersistStream_iface);
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}
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static HRESULT WINAPI IPersistStreamImpl_Load(IPersistStream *iface, IStream *pStm)
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{
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IDirectMusicContainerImpl *This = impl_from_IPersistStream(iface);
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WINE_CHUNK Chunk;
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DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
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LARGE_INTEGER liMove; /* used when skipping chunks */
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ULARGE_INTEGER uliPos; /* needed when dealing with RIFF chunks */
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LPDIRECTMUSICGETLOADER pGetLoader;
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LPDIRECTMUSICLOADER pLoader;
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HRESULT result = S_OK;
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TRACE("(%p, %p):\n", This, pStm);
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/* check whether pStm is valid read pointer */
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if (IsBadReadPtr (pStm, sizeof(LPVOID))) {
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ERR(": pStm bad read pointer\n");
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return E_POINTER;
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}
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/* if stream is already set, this means the container is already loaded */
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if (This->pStream) {
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TRACE(": stream is already set, which means container is already loaded\n");
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return DMUS_E_ALREADY_LOADED;
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}
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/* get loader since it will be needed later */
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if (FAILED(IStream_QueryInterface (pStm, &IID_IDirectMusicGetLoader, (LPVOID*)&pGetLoader))) {
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ERR(": stream not supported\n");
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return DMUS_E_UNSUPPORTED_STREAM;
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}
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IDirectMusicGetLoader_GetLoader (pGetLoader, &pLoader);
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IDirectMusicGetLoader_Release (pGetLoader);
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This->pStream = pStm;
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IStream_AddRef (pStm); /* add count for later references */
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/* start with load */
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IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
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TRACE_(dmfile)(": %s chunk (size = %#lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
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switch (Chunk.fccID) {
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case FOURCC_RIFF: {
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IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
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TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
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StreamSize = Chunk.dwSize - sizeof(FOURCC);
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StreamCount = 0;
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switch (Chunk.fccID) {
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case DMUS_FOURCC_CONTAINER_FORM: {
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TRACE_(dmfile)(": container form\n");
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This->dmobj.desc.guidClass = CLSID_DirectMusicContainer;
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This->dmobj.desc.dwValidData |= DMUS_OBJ_CLASS;
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do {
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IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
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StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
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TRACE_(dmfile)(": %s chunk (size = %#lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
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switch (Chunk.fccID) {
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case DMUS_FOURCC_CONTAINER_CHUNK: {
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IStream_Read (pStm, &This->Header, Chunk.dwSize, NULL);
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TRACE_(dmfile)(": container header chunk:\n%s\n", debugstr_DMUS_IO_CONTAINER_HEADER(&This->Header));
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break;
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}
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case DMUS_FOURCC_GUID_CHUNK: {
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TRACE_(dmfile)(": GUID chunk\n");
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IStream_Read (pStm, &This->dmobj.desc.guidObject, Chunk.dwSize, NULL);
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This->dmobj.desc.dwValidData |= DMUS_OBJ_OBJECT;
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break;
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}
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case DMUS_FOURCC_VERSION_CHUNK: {
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TRACE_(dmfile)(": version chunk\n");
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IStream_Read (pStm, &This->dmobj.desc.vVersion, Chunk.dwSize, NULL);
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This->dmobj.desc.dwValidData |= DMUS_OBJ_VERSION;
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break;
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}
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case DMUS_FOURCC_DATE_CHUNK: {
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TRACE_(dmfile)(": date chunk\n");
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IStream_Read (pStm, &This->dmobj.desc.ftDate, Chunk.dwSize, NULL);
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This->dmobj.desc.dwValidData |= DMUS_OBJ_DATE;
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break;
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}
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case DMUS_FOURCC_CATEGORY_CHUNK: {
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TRACE_(dmfile)(": category chunk\n");
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/* if it happens that string is too long,
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read what we can and skip the rest*/
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if (Chunk.dwSize > DMUS_MAX_CATEGORY_SIZE) {
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IStream_Read (pStm, This->dmobj.desc.wszCategory, DMUS_MAX_CATEGORY_SIZE, NULL);
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liMove.QuadPart = Chunk.dwSize - DMUS_MAX_CATEGORY_SIZE;
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IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
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} else {
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IStream_Read (pStm, This->dmobj.desc.wszCategory, Chunk.dwSize, NULL);
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}
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This->dmobj.desc.dwValidData |= DMUS_OBJ_CATEGORY;
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break;
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}
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case FOURCC_LIST: {
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IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
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TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
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ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
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ListCount[0] = 0;
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switch (Chunk.fccID) {
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case DMUS_FOURCC_UNFO_LIST: {
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TRACE_(dmfile)(": UNFO list\n");
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do {
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IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
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ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
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TRACE_(dmfile)(": %s chunk (size = %#lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
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switch (Chunk.fccID) {
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/* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
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(though strings seem to be valid unicode) */
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case mmioFOURCC('I','N','A','M'):
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case DMUS_FOURCC_UNAM_CHUNK: {
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TRACE_(dmfile)(": name chunk\n");
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/* if it happens that string is too long,
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read what we can and skip the rest*/
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if (Chunk.dwSize > DMUS_MAX_NAME_SIZE) {
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IStream_Read (pStm, This->dmobj.desc.wszName, DMUS_MAX_NAME_SIZE, NULL);
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liMove.QuadPart = Chunk.dwSize - DMUS_MAX_NAME_SIZE;
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IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
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} else {
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IStream_Read (pStm, This->dmobj.desc.wszName, Chunk.dwSize, NULL);
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}
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This->dmobj.desc.dwValidData |= DMUS_OBJ_NAME;
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break;
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}
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default: {
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TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
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liMove.QuadPart = Chunk.dwSize;
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IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
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break;
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}
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}
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TRACE_(dmfile)(": ListCount[0] = %#lx < ListSize[0] = %#lx\n", ListCount[0], ListSize[0]);
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} while (ListCount[0] < ListSize[0]);
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break;
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}
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case DMUS_FOURCC_CONTAINED_OBJECTS_LIST: {
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TRACE_(dmfile)(": contained objects list\n");
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do {
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IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
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ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
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TRACE_(dmfile)(": %s chunk (size = %#lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
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switch (Chunk.fccID) {
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case FOURCC_LIST: {
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IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
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TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
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ListSize[1] = Chunk.dwSize - sizeof(FOURCC);
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ListCount[1] = 0;
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switch (Chunk.fccID) {
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case DMUS_FOURCC_CONTAINED_OBJECT_LIST: {
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LPWINE_CONTAINER_ENTRY pNewEntry;
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TRACE_(dmfile)(": contained object list\n");
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pNewEntry = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, sizeof(WINE_CONTAINER_ENTRY));
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DM_STRUCT_INIT(&pNewEntry->Desc);
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do {
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IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
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ListCount[1] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
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TRACE_(dmfile)(": %s chunk (size = %#lx)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
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switch (Chunk.fccID) {
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case DMUS_FOURCC_CONTAINED_ALIAS_CHUNK: {
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TRACE_(dmfile)(": alias chunk\n");
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pNewEntry->wszAlias = HeapAlloc (GetProcessHeap (), HEAP_ZERO_MEMORY, Chunk.dwSize);
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IStream_Read (pStm, pNewEntry->wszAlias, Chunk.dwSize, NULL);
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TRACE_(dmfile)(": alias: %s\n", debugstr_w(pNewEntry->wszAlias));
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break;
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}
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case DMUS_FOURCC_CONTAINED_OBJECT_CHUNK: {
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DMUS_IO_CONTAINED_OBJECT_HEADER tmpObjectHeader;
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IStream_Read (pStm, &tmpObjectHeader, Chunk.dwSize, NULL);
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TRACE_(dmfile)(": contained object header:\n%s\n", debugstr_DMUS_IO_CONTAINED_OBJECT_HEADER(&tmpObjectHeader));
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/* copy guidClass */
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pNewEntry->Desc.dwValidData |= DMUS_OBJ_CLASS;
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pNewEntry->Desc.guidClass = tmpObjectHeader.guidClassID;
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/* store flags */
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pNewEntry->dwFlags = tmpObjectHeader.dwFlags;
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break;
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}
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/* now read data... it may be safe to read everything after object header chunk,
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but I'm not comfortable with MSDN's "the header is *normally* followed by ..." */
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case FOURCC_LIST: {
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IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
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TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
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ListSize[2] = Chunk.dwSize - sizeof(FOURCC);
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ListCount[2] = 0;
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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 = %#lx)", 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] = %#lx < ListSize[2] = %#lx\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] = %#lx < ListSize[1] = %#lx\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] = %#lx < ListSize[0] = %#lx\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] = %#lx < StreamSize[0] = %#lx\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;
|
|
}
|