dmusbuff.h 1.64 KB
Newer Older
1 2
/* DirectMusic Buffer Format
 *
3
 * Copyright (C) 2003-2004 Rok Mandeljc
4
 *
5 6 7 8
 * 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.
9 10 11
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
14
 *
15 16 17
 * 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
18 19 20 21 22 23
 */

#ifndef __WINE_DMUSIC_BUFFER_H
#define __WINE_DMUSIC_BUFFER_H

/*****************************************************************************
24
 * Misc. definitions
25 26 27 28
 */
#define QWORD_ALIGN(x) (((x) + 7) & ~7)
#define DMUS_EVENT_SIZE(cb) QWORD_ALIGN(sizeof(DMUS_EVENTHEADER) + cb)

29 30 31 32 33
/*****************************************************************************
 * Flags
 */
#define DMUS_EVENT_STRUCTURED   0x1

34 35 36
/*****************************************************************************
 * Structures
 */
37 38 39 40 41 42
/* typedef definitions */
typedef struct _DMUS_EVENTHEADER DMUS_EVENTHEADER, *LPDMUS_EVENTHEADER;

/* actual structure*/ 
#include <pshpack4.h>
struct _DMUS_EVENTHEADER {
43 44 45 46
    DWORD           cbEvent;
    DWORD           dwChannelGroup;
    REFERENCE_TIME  rtDelta;
    DWORD           dwFlags;
47
};
48
#include <poppack.h>
49 50

#endif /* __WINE_DMUSIC_BUFFER_H */