Sweden-Number/dlls/dmband/dmobject.h

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/*
* Base IDirectMusicObject Implementation
* Keep in sync with the master in dlls/dmusic/dmobject.h
*
* Copyright (C) 2014 Michael Stefaniuc
*
* 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 "wine/debug.h"
/* RIFF stream parsing */
struct chunk_entry;
struct chunk_entry {
FOURCC id;
DWORD size;
FOURCC type; /* valid only for LIST and RIFF chunks */
ULARGE_INTEGER offset; /* chunk offset from start of stream */
const struct chunk_entry *parent; /* enclosing RIFF or LIST chunk */
};
HRESULT stream_get_chunk(IStream *stream, struct chunk_entry *chunk) DECLSPEC_HIDDEN;
HRESULT stream_next_chunk(IStream *stream, struct chunk_entry *chunk) DECLSPEC_HIDDEN;
HRESULT stream_skip_chunk(IStream *stream, struct chunk_entry *chunk) DECLSPEC_HIDDEN;
HRESULT stream_chunk_get_data(IStream *stream, const struct chunk_entry *chunk, void *data,
ULONG size) DECLSPEC_HIDDEN;
HRESULT stream_chunk_get_wstr(IStream *stream, const struct chunk_entry *chunk, WCHAR *str,
ULONG size) DECLSPEC_HIDDEN;
static inline HRESULT stream_reset_chunk_data(IStream *stream, const struct chunk_entry *chunk)
{
LARGE_INTEGER offset;
offset.QuadPart = chunk->offset.QuadPart + sizeof(FOURCC) + sizeof(DWORD);
if (chunk->id == FOURCC_RIFF || chunk->id == FOURCC_LIST)
offset.QuadPart += sizeof(FOURCC);
return IStream_Seek(stream, offset, STREAM_SEEK_SET, NULL);
}
static inline HRESULT stream_reset_chunk_start(IStream *stream, const struct chunk_entry *chunk)
{
LARGE_INTEGER offset;
offset.QuadPart = chunk->offset.QuadPart;
return IStream_Seek(stream, offset, STREAM_SEEK_SET, NULL);
}
/* IDirectMusicObject base object */
struct dmobject {
IDirectMusicObject IDirectMusicObject_iface;
IPersistStream IPersistStream_iface;
IUnknown *outer_unk;
DMUS_OBJECTDESC desc;
};
void dmobject_init(struct dmobject *dmobj, const GUID *class, IUnknown *outer_unk) DECLSPEC_HIDDEN;
/* Generic IDirectMusicObject methods */
HRESULT WINAPI dmobj_IDirectMusicObject_QueryInterface(IDirectMusicObject *iface, REFIID riid,
void **ret_iface) DECLSPEC_HIDDEN;
ULONG WINAPI dmobj_IDirectMusicObject_AddRef(IDirectMusicObject *iface) DECLSPEC_HIDDEN;
ULONG WINAPI dmobj_IDirectMusicObject_Release(IDirectMusicObject *iface) DECLSPEC_HIDDEN;
HRESULT WINAPI dmobj_IDirectMusicObject_GetDescriptor(IDirectMusicObject *iface,
DMUS_OBJECTDESC *desc) DECLSPEC_HIDDEN;
HRESULT WINAPI dmobj_IDirectMusicObject_SetDescriptor(IDirectMusicObject *iface,
DMUS_OBJECTDESC *desc) DECLSPEC_HIDDEN;
/* Helper for IDirectMusicObject::ParseDescriptor */
HRESULT dmobj_parsedescriptor(IStream *stream, const struct chunk_entry *riff,
DMUS_OBJECTDESC *desc, DWORD supported) DECLSPEC_HIDDEN;
/* Additional supported flags for dmobj_parsedescriptor.
DMUS_OBJ_NAME is 'UNAM' chunk in UNFO list */
#define DMUS_OBJ_NAME_INAM 0x1000 /* 'INAM' chunk in UNFO list */
#define DMUS_OBJ_NAME_INFO 0x2000 /* 'INAM' chunk in INFO list */
/* Generic IPersistStream methods */
HRESULT WINAPI dmobj_IPersistStream_QueryInterface(IPersistStream *iface, REFIID riid,
void **ret_iface) DECLSPEC_HIDDEN;
ULONG WINAPI dmobj_IPersistStream_AddRef(IPersistStream *iface) DECLSPEC_HIDDEN;
ULONG WINAPI dmobj_IPersistStream_Release(IPersistStream *iface) DECLSPEC_HIDDEN;
HRESULT WINAPI dmobj_IPersistStream_GetClassID(IPersistStream *iface, CLSID *class) DECLSPEC_HIDDEN;
/* IPersistStream methods not implemented in native */
HRESULT WINAPI unimpl_IPersistStream_GetClassID(IPersistStream *iface,
CLSID *class) DECLSPEC_HIDDEN;
HRESULT WINAPI unimpl_IPersistStream_IsDirty(IPersistStream *iface) DECLSPEC_HIDDEN;
HRESULT WINAPI unimpl_IPersistStream_Save(IPersistStream *iface, IStream *stream,
BOOL clear_dirty) DECLSPEC_HIDDEN;
HRESULT WINAPI unimpl_IPersistStream_GetSizeMax(IPersistStream *iface,
ULARGE_INTEGER *size) DECLSPEC_HIDDEN;
/* Debugging helpers */
const char *debugstr_chunk(const struct chunk_entry *chunk) DECLSPEC_HIDDEN;
const char *debugstr_dmguid(const GUID *id) DECLSPEC_HIDDEN;
void dump_DMUS_OBJECTDESC(DMUS_OBJECTDESC *desc) DECLSPEC_HIDDEN;
static inline const char *debugstr_fourcc(DWORD fourcc)
{
if (!fourcc) return "''";
return wine_dbg_sprintf("'%c%c%c%c'", (char)(fourcc), (char)(fourcc >> 8),
(char)(fourcc >> 16), (char)(fourcc >> 24));
}