include/dmusbuff.h

   1 /* DirectMusic Buffer Format
   2  *
   3  * Copyright (C) 2003-2004 Rok Mandeljc
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifndef __WINE_DMUSIC_BUFFER_H
  21 #define __WINE_DMUSIC_BUFFER_H
  22
  23 /*****************************************************************************
  24  * Misc. definitions
  25  */
  26 #define QWORD_ALIGN(x) (((x) + 7) & ~7)
  27 #define DMUS_EVENT_SIZE(cb) QWORD_ALIGN(sizeof(DMUS_EVENTHEADER) + cb)
  28
  29 /*****************************************************************************
  30  * Flags
  31  */
  32 #define DMUS_EVENT_STRUCTURED   0x1
  33
  34 /*****************************************************************************
  35  * Structures
  36  */
  37 /* typedef definitions */
  38 typedef struct _DMUS_EVENTHEADER DMUS_EVENTHEADER, *LPDMUS_EVENTHEADER;
  39
  40 /* actual structure*/
  41 #include <pshpack4.h>
  42 struct _DMUS_EVENTHEADER {
  43     DWORD           cbEvent;
  44     DWORD           dwChannelGroup;
  45     REFERENCE_TIME  rtDelta;
  46     DWORD           dwFlags;
  47 };
  48 #include <poppack.h>
  49
  50 #endif /* __WINE_DMUSIC_BUFFER_H */