mirror of
https://github.com/wine-mirror/wine
synced 2024-07-01 07:14:31 +00:00
124 lines
5.1 KiB
C
124 lines
5.1 KiB
C
/*
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* Base IDirectMusicObject Implementation
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* Keep in sync with the master in dlls/dmusic/dmobject.h
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*
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* Copyright (C) 2014 Michael Stefaniuc
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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 "wine/debug.h"
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/* RIFF stream parsing */
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struct chunk_entry;
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struct chunk_entry {
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FOURCC id;
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DWORD size;
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FOURCC type; /* valid only for LIST and RIFF chunks */
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ULARGE_INTEGER offset; /* chunk offset from start of stream */
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const struct chunk_entry *parent; /* enclosing RIFF or LIST chunk */
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};
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#define MAKE_IDTYPE(id, type) (((UINT64)type << 32) | (UINT64)id)
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HRESULT stream_read(IStream *stream, void *data, ULONG size);
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HRESULT stream_get_chunk(IStream *stream, struct chunk_entry *chunk);
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HRESULT stream_next_chunk(IStream *stream, struct chunk_entry *chunk);
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HRESULT stream_skip_chunk(IStream *stream, const struct chunk_entry *chunk);
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HRESULT stream_chunk_get_array(IStream *stream, const struct chunk_entry *chunk, void **array,
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unsigned int *count, DWORD elem_size);
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HRESULT stream_chunk_get_data(IStream *stream, const struct chunk_entry *chunk, void *data,
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ULONG size);
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HRESULT stream_chunk_get_wstr(IStream *stream, const struct chunk_entry *chunk, WCHAR *str,
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ULONG size);
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HRESULT stream_get_loader(IStream *stream, IDirectMusicLoader **ret_loader);
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HRESULT stream_get_object(IStream *stream, DMUS_OBJECTDESC *desc, REFIID riid, void **ret_iface);
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static inline HRESULT stream_reset_chunk_data(IStream *stream, const struct chunk_entry *chunk)
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{
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LARGE_INTEGER offset;
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offset.QuadPart = chunk->offset.QuadPart + sizeof(FOURCC) + sizeof(DWORD);
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if (chunk->id == FOURCC_RIFF || chunk->id == FOURCC_LIST)
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offset.QuadPart += sizeof(FOURCC);
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return IStream_Seek(stream, offset, STREAM_SEEK_SET, NULL);
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}
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static inline HRESULT stream_reset_chunk_start(IStream *stream, const struct chunk_entry *chunk)
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{
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LARGE_INTEGER offset;
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offset.QuadPart = chunk->offset.QuadPart;
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return IStream_Seek(stream, offset, STREAM_SEEK_SET, NULL);
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}
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/* IDirectMusicObject base object */
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struct dmobject {
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IDirectMusicObject IDirectMusicObject_iface;
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IPersistStream IPersistStream_iface;
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IUnknown *outer_unk;
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DMUS_OBJECTDESC desc;
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};
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void dmobject_init(struct dmobject *dmobj, const GUID *class, IUnknown *outer_unk);
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/* Generic IDirectMusicObject methods */
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HRESULT WINAPI dmobj_IDirectMusicObject_QueryInterface(IDirectMusicObject *iface, REFIID riid,
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void **ret_iface);
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ULONG WINAPI dmobj_IDirectMusicObject_AddRef(IDirectMusicObject *iface);
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ULONG WINAPI dmobj_IDirectMusicObject_Release(IDirectMusicObject *iface);
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HRESULT WINAPI dmobj_IDirectMusicObject_GetDescriptor(IDirectMusicObject *iface,
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DMUS_OBJECTDESC *desc);
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HRESULT WINAPI dmobj_IDirectMusicObject_SetDescriptor(IDirectMusicObject *iface,
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DMUS_OBJECTDESC *desc);
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/* Helper for IDirectMusicObject::ParseDescriptor */
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HRESULT dmobj_parsedescriptor(IStream *stream, const struct chunk_entry *riff,
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DMUS_OBJECTDESC *desc, DWORD supported);
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/* Additional supported flags for dmobj_parsedescriptor.
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DMUS_OBJ_NAME is 'UNAM' chunk in UNFO list */
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#define DMUS_OBJ_NAME_INAM 0x1000 /* 'INAM' chunk in UNFO list */
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#define DMUS_OBJ_NAME_INFO 0x2000 /* 'INAM' chunk in INFO list */
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#define DMUS_OBJ_GUID_DLID 0x4000 /* 'dlid' chunk instead of 'guid' */
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/* 'DMRF' (reference list) helper */
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HRESULT dmobj_parsereference(IStream *stream, const struct chunk_entry *list,
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IDirectMusicObject **dmobj);
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/* Generic IPersistStream methods */
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HRESULT WINAPI dmobj_IPersistStream_QueryInterface(IPersistStream *iface, REFIID riid,
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void **ret_iface);
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ULONG WINAPI dmobj_IPersistStream_AddRef(IPersistStream *iface);
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ULONG WINAPI dmobj_IPersistStream_Release(IPersistStream *iface);
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HRESULT WINAPI dmobj_IPersistStream_GetClassID(IPersistStream *iface, CLSID *class);
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/* IPersistStream methods not implemented in native */
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HRESULT WINAPI unimpl_IPersistStream_GetClassID(IPersistStream *iface,
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CLSID *class);
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HRESULT WINAPI unimpl_IPersistStream_IsDirty(IPersistStream *iface);
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HRESULT WINAPI unimpl_IPersistStream_Save(IPersistStream *iface, IStream *stream,
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BOOL clear_dirty);
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HRESULT WINAPI unimpl_IPersistStream_GetSizeMax(IPersistStream *iface,
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ULARGE_INTEGER *size);
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/* Debugging helpers */
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const char *debugstr_chunk(const struct chunk_entry *chunk);
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const char *debugstr_dmguid(const GUID *id);
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void dump_DMUS_OBJECTDESC(DMUS_OBJECTDESC *desc);
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