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Sweden-Number/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"
#include "dmobject.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmime);
struct IDirectMusicGraphImpl {
IDirectMusicGraph IDirectMusicGraph_iface;
struct dmobject dmobj;
LONG ref;
WORD num_tools;
struct list Tools;
};
static inline IDirectMusicGraphImpl *impl_from_IDirectMusicGraph(IDirectMusicGraph *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicGraphImpl, IDirectMusicGraph_iface);
}
static inline IDirectMusicGraphImpl *impl_from_IPersistStream(IPersistStream *iface)
{
return CONTAINING_RECORD(iface, IDirectMusicGraphImpl, dmobj.IPersistStream_iface);
}
static HRESULT WINAPI DirectMusicGraph_QueryInterface(IDirectMusicGraph *iface, REFIID riid, void **ret_iface)
{
IDirectMusicGraphImpl *This = impl_from_IDirectMusicGraph(iface);
TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ret_iface);
*ret_iface = NULL;
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDirectMusicGraph))
{
*ret_iface = &This->IDirectMusicGraph_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;
if (*ret_iface)
{
IDirectMusicGraph_AddRef(iface);
return S_OK;
}
WARN("(%p, %s, %p): not found\n", This, debugstr_guid(riid), ret_iface);
return E_NOINTERFACE;
}
static ULONG WINAPI DirectMusicGraph_AddRef(IDirectMusicGraph *iface)
{
IDirectMusicGraphImpl *This = impl_from_IDirectMusicGraph(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p): %d\n", This, ref);
DMIME_LockModule();
return ref;
}
static ULONG WINAPI DirectMusicGraph_Release(IDirectMusicGraph *iface)
{
IDirectMusicGraphImpl *This = impl_from_IDirectMusicGraph(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p): %d\n", This, ref);
if (ref == 0)
HeapFree(GetProcessHeap(), 0, This);
DMIME_UnlockModule();
return ref;
}
static HRESULT WINAPI DirectMusicGraph_StampPMsg(IDirectMusicGraph *iface, DMUS_PMSG *msg)
{
IDirectMusicGraphImpl *This = impl_from_IDirectMusicGraph(iface);
FIXME("(%p, %p): stub\n", This, msg);
return S_OK;
}
static HRESULT WINAPI DirectMusicGraph_InsertTool(IDirectMusicGraph *iface, IDirectMusicTool* pTool, DWORD* pdwPChannels, DWORD cPChannels, LONG lIndex)
{
IDirectMusicGraphImpl *This = impl_from_IDirectMusicGraph(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 (!pTool)
return E_POINTER;
if (lIndex < 0)
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 DirectMusicGraph_GetTool(IDirectMusicGraph *iface, DWORD dwIndex, IDirectMusicTool** ppTool)
{
IDirectMusicGraphImpl *This = impl_from_IDirectMusicGraph(iface);
struct list* pEntry = NULL;
LPDMUS_PRIVATE_GRAPH_TOOL pIt = NULL;
TRACE("(%p, %d, %p)\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 (*ppTool)
IDirectMusicTool_AddRef(*ppTool);
return S_OK;
}
if (pIt->dwIndex > dwIndex)
break ;
}
return DMUS_E_NOT_FOUND;
}
static HRESULT WINAPI DirectMusicGraph_RemoveTool(IDirectMusicGraph *iface, IDirectMusicTool* pTool)
{
IDirectMusicGraphImpl *This = impl_from_IDirectMusicGraph(iface);
FIXME("(%p, %p): stub\n", This, pTool);
return S_OK;
}
static const IDirectMusicGraphVtbl DirectMusicGraphVtbl =
{
DirectMusicGraph_QueryInterface,
DirectMusicGraph_AddRef,
DirectMusicGraph_Release,
DirectMusicGraph_StampPMsg,
DirectMusicGraph_InsertTool,
DirectMusicGraph_GetTool,
DirectMusicGraph_RemoveTool
};
static HRESULT WINAPI graph_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_TOOLGRAPH_FORM) {
TRACE("loading failed: unexpected %s\n", debugstr_chunk(&riff));
stream_skip_chunk(stream, &riff);
return DMUS_E_CHUNKNOTFOUND;
}
hr = dmobj_parsedescriptor(stream, &riff, desc,
DMUS_OBJ_OBJECT|DMUS_OBJ_NAME|DMUS_OBJ_CATEGORY|DMUS_OBJ_VERSION);
if (FAILED(hr))
return hr;
desc->guidClass = CLSID_DirectMusicGraph;
desc->dwValidData |= DMUS_OBJ_CLASS;
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,
graph_IDirectMusicObject_ParseDescriptor
};
static HRESULT WINAPI graph_IPersistStream_Load(IPersistStream *iface, IStream *stream)
{
IDirectMusicGraphImpl *This = impl_from_IPersistStream(iface);
FIXME("(%p, %p): Loading not implemented yet\n", This, stream);
return IDirectMusicObject_ParseDescriptor(&This->dmobj.IDirectMusicObject_iface, stream,
&This->dmobj.desc);
}
static const IPersistStreamVtbl persiststream_vtbl = {
dmobj_IPersistStream_QueryInterface,
dmobj_IPersistStream_AddRef,
dmobj_IPersistStream_Release,
dmobj_IPersistStream_GetClassID,
unimpl_IPersistStream_IsDirty,
graph_IPersistStream_Load,
unimpl_IPersistStream_Save,
unimpl_IPersistStream_GetSizeMax
};
/* for ClassFactory */
HRESULT WINAPI create_dmgraph(REFIID riid, void **ret_iface)
{
IDirectMusicGraphImpl* obj;
HRESULT hr;
*ret_iface = NULL;
obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicGraphImpl));
if (!obj)
return E_OUTOFMEMORY;
obj->IDirectMusicGraph_iface.lpVtbl = &DirectMusicGraphVtbl;
obj->ref = 1;
dmobject_init(&obj->dmobj, &CLSID_DirectMusicGraph, (IUnknown *)&obj->IDirectMusicGraph_iface);
obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
list_init(&obj->Tools);
hr = IDirectMusicGraph_QueryInterface(&obj->IDirectMusicGraph_iface, riid, ret_iface);
IDirectMusicGraph_Release(&obj->IDirectMusicGraph_iface);
return hr;
}
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