320 lines
8.9 KiB
C
320 lines
8.9 KiB
C
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/* IDirectMusicGraph
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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 "dmime_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dmime);
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struct tool_entry
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{
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struct list entry;
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IDirectMusicTool *tool;
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DWORD delivery;
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};
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struct graph
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{
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IDirectMusicGraph IDirectMusicGraph_iface;
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struct dmobject dmobj;
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LONG ref;
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struct list tools;
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};
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static inline struct graph *impl_from_IDirectMusicGraph(IDirectMusicGraph *iface)
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{
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return CONTAINING_RECORD(iface, struct graph, IDirectMusicGraph_iface);
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}
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static inline struct graph *impl_from_IPersistStream(IPersistStream *iface)
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{
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return CONTAINING_RECORD(iface, struct graph, dmobj.IPersistStream_iface);
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}
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static HRESULT WINAPI graph_QueryInterface(IDirectMusicGraph *iface, REFIID riid, void **ret_iface)
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{
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struct graph *This = impl_from_IDirectMusicGraph(iface);
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TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ret_iface);
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*ret_iface = NULL;
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if (IsEqualIID(riid, &IID_IUnknown) ||
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IsEqualIID(riid, &IID_IDirectMusicGraph))
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{
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*ret_iface = &This->IDirectMusicGraph_iface;
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}
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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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if (*ret_iface)
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{
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IDirectMusicGraph_AddRef(iface);
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return S_OK;
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}
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WARN("(%p, %s, %p): not found\n", This, debugstr_guid(riid), ret_iface);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI graph_AddRef(IDirectMusicGraph *iface)
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{
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struct graph *This = impl_from_IDirectMusicGraph(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p): %ld\n", This, ref);
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return ref;
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}
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static ULONG WINAPI graph_Release(IDirectMusicGraph *iface)
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{
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struct graph *This = impl_from_IDirectMusicGraph(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p): %ld\n", This, ref);
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if (!ref)
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{
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struct tool_entry *entry, *next;
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LIST_FOR_EACH_ENTRY_SAFE(entry, next, &This->tools, struct tool_entry, entry)
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{
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list_remove(&entry->entry);
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IDirectMusicTool_Release(entry->tool);
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free(entry);
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}
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free(This);
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}
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return ref;
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}
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static HRESULT WINAPI graph_StampPMsg(IDirectMusicGraph *iface, DMUS_PMSG *msg)
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{
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const DWORD delivery_flags = DMUS_PMSGF_TOOL_IMMEDIATE | DMUS_PMSGF_TOOL_QUEUE | DMUS_PMSGF_TOOL_ATTIME;
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struct graph *This = impl_from_IDirectMusicGraph(iface);
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struct tool_entry *entry, *next, *first;
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TRACE("(%p, %p)\n", This, msg);
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if (!msg) return E_POINTER;
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first = LIST_ENTRY(This->tools.next, struct tool_entry, entry);
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LIST_FOR_EACH_ENTRY_SAFE(entry, next, &This->tools, struct tool_entry, entry)
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if (entry->tool == msg->pTool) break;
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if (&entry->entry == &This->tools) next = first;
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if (msg->pTool)
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{
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IDirectMusicTool_Release(msg->pTool);
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msg->pTool = NULL;
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}
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if (&next->entry == &This->tools) return DMUS_S_LAST_TOOL;
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if (!msg->pGraph)
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{
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msg->pGraph = iface;
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IDirectMusicGraph_AddRef(msg->pGraph);
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}
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msg->pTool = next->tool;
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IDirectMusicTool_AddRef(msg->pTool);
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msg->dwFlags &= ~delivery_flags;
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msg->dwFlags |= next->delivery;
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return S_OK;
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}
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static HRESULT WINAPI graph_InsertTool(IDirectMusicGraph *iface, IDirectMusicTool *tool,
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DWORD *channels, DWORD channel_count, LONG index)
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{
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struct graph *This = impl_from_IDirectMusicGraph(iface);
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struct tool_entry *entry, *next;
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HRESULT hr;
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TRACE("(%p, %p, %p, %ld, %li)\n", This, tool, channels, channel_count, index);
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if (!tool) return E_POINTER;
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LIST_FOR_EACH_ENTRY(next, &This->tools, struct tool_entry, entry)
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{
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if (next->tool == tool) return DMUS_E_ALREADY_EXISTS;
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if (index-- <= 0) break;
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}
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if (!(entry = calloc(1, sizeof(*entry)))) return E_OUTOFMEMORY;
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entry->tool = tool;
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IDirectMusicTool_AddRef(tool);
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IDirectMusicTool_Init(tool, iface);
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if (FAILED(hr = IDirectMusicTool_GetMsgDeliveryType(tool, &entry->delivery)))
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{
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WARN("Failed to get delivery type from tool %p, hr %#lx\n", tool, hr);
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entry->delivery = DMUS_PMSGF_TOOL_IMMEDIATE;
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}
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list_add_before(&next->entry, &entry->entry);
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return S_OK;
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}
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static HRESULT WINAPI graph_GetTool(IDirectMusicGraph *iface, DWORD index, IDirectMusicTool **ret_tool)
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{
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struct graph *This = impl_from_IDirectMusicGraph(iface);
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struct tool_entry *entry;
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TRACE("(%p, %ld, %p)\n", This, index, ret_tool);
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if (!ret_tool) return E_POINTER;
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LIST_FOR_EACH_ENTRY(entry, &This->tools, struct tool_entry, entry)
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{
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if (!index--)
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{
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*ret_tool = entry->tool;
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IDirectMusicTool_AddRef(entry->tool);
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return S_OK;
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}
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}
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return DMUS_E_NOT_FOUND;
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}
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static HRESULT WINAPI graph_RemoveTool(IDirectMusicGraph *iface, IDirectMusicTool *tool)
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{
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struct graph *This = impl_from_IDirectMusicGraph(iface);
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struct tool_entry *entry;
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TRACE("(%p, %p)\n", This, tool);
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if (!tool) return E_POINTER;
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LIST_FOR_EACH_ENTRY(entry, &This->tools, struct tool_entry, entry)
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{
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if (entry->tool == tool)
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{
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list_remove(&entry->entry);
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IDirectMusicTool_Release(entry->tool);
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free(entry);
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return S_OK;
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}
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}
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return DMUS_E_NOT_FOUND;
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}
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static const IDirectMusicGraphVtbl graph_vtbl =
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{
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graph_QueryInterface,
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graph_AddRef,
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graph_Release,
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graph_StampPMsg,
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graph_InsertTool,
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graph_GetTool,
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graph_RemoveTool,
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};
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static HRESULT WINAPI graph_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_TOOLGRAPH_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_CHUNKNOTFOUND;
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}
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hr = dmobj_parsedescriptor(stream, &riff, desc,
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DMUS_OBJ_OBJECT|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_DirectMusicGraph;
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desc->dwValidData |= DMUS_OBJ_CLASS;
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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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graph_IDirectMusicObject_ParseDescriptor
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};
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static HRESULT WINAPI graph_IPersistStream_Load(IPersistStream *iface, IStream *stream)
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{
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struct graph *This = impl_from_IPersistStream(iface);
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FIXME("(%p, %p): Loading not implemented yet\n", This, stream);
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return IDirectMusicObject_ParseDescriptor(&This->dmobj.IDirectMusicObject_iface, stream,
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&This->dmobj.desc);
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}
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static const IPersistStreamVtbl persiststream_vtbl = {
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dmobj_IPersistStream_QueryInterface,
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dmobj_IPersistStream_AddRef,
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dmobj_IPersistStream_Release,
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dmobj_IPersistStream_GetClassID,
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unimpl_IPersistStream_IsDirty,
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graph_IPersistStream_Load,
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unimpl_IPersistStream_Save,
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unimpl_IPersistStream_GetSizeMax
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};
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/* for ClassFactory */
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HRESULT create_dmgraph(REFIID riid, void **ret_iface)
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{
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struct graph *obj;
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HRESULT hr;
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*ret_iface = NULL;
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if (!(obj = calloc(1, sizeof(*obj)))) return E_OUTOFMEMORY;
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obj->IDirectMusicGraph_iface.lpVtbl = &graph_vtbl;
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obj->ref = 1;
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dmobject_init(&obj->dmobj, &CLSID_DirectMusicGraph, (IUnknown *)&obj->IDirectMusicGraph_iface);
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obj->dmobj.IDirectMusicObject_iface.lpVtbl = &dmobject_vtbl;
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obj->dmobj.IPersistStream_iface.lpVtbl = &persiststream_vtbl;
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list_init(&obj->tools);
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hr = IDirectMusicGraph_QueryInterface(&obj->IDirectMusicGraph_iface, riid, ret_iface);
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IDirectMusicGraph_Release(&obj->IDirectMusicGraph_iface);
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return hr;
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}
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