/
SDL_dibaudio.h
53 lines (41 loc) · 1.57 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2004 Sam Lantinga
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
20
slouken@libsdl.org
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id$";
#endif
#ifndef _SDL_lowaudio_h
#define _SDL_lowaudio_h
#include "SDL_sysaudio.h"
/* Hidden "this" pointer for the video functions */
#define _THIS SDL_AudioDevice *this
#define NUM_BUFFERS 2 /* -- Don't lower this! */
struct SDL_PrivateAudioData {
HWAVEOUT sound;
HANDLE audio_sem;
Uint8 *mixbuf; /* The raw allocated mixing buffer */
WAVEHDR wavebuf[NUM_BUFFERS]; /* Wave audio fragments */
int next_buffer;
};
/* Old variable names */
#define sound (this->hidden->sound)
#define audio_sem (this->hidden->audio_sem)
#define mixbuf (this->hidden->mixbuf)
#define wavebuf (this->hidden->wavebuf)
#define next_buffer (this->hidden->next_buffer)
#endif /* _SDL_lowaudio_h */