1/*
2    SDL - Simple DirectMedia Layer
3    Copyright (C) 1997-2012 Sam Lantinga
4
5    This library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Lesser General Public
7    License as published by the Free Software Foundation; either
8    version 2.1 of the License, or (at your option) any later version.
9
10    This library 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 GNU
13    Lesser General Public License for more details.
14
15    You should have received a copy of the GNU Lesser General Public
16    License along with this library; if not, write to the Free Software
17    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18
19    Sam Lantinga
20    slouken@libsdl.org
21*/
22#include "SDL_config.h"
23
24#ifndef _SDL_lowaudio_h
25#define _SDL_lowaudio_h
26
27#include "directx.h"
28
29#include "../SDL_sysaudio.h"
30
31/* Hidden "this" pointer for the video functions */
32#define _THIS	SDL_AudioDevice *this
33
34/* The DirectSound objects */
35struct SDL_PrivateAudioData {
36	LPDIRECTSOUND sound;
37	LPDIRECTSOUNDBUFFER mixbuf;
38	int NUM_BUFFERS;
39	int mixlen, silence;
40	DWORD lastchunk;
41	Uint8 *locked_buf;
42	HANDLE audio_event;
43};
44
45/* Old variable names */
46#define sound			(this->hidden->sound)
47#define mixbuf			(this->hidden->mixbuf)
48#define NUM_BUFFERS		(this->hidden->NUM_BUFFERS)
49#define mixlen			(this->hidden->mixlen)
50#define silence			(this->hidden->silence)
51#define lastchunk		(this->hidden->lastchunk)
52#define locked_buf		(this->hidden->locked_buf)
53#define audio_event		(this->hidden->audio_event)
54
55#endif /* _SDL_lowaudio_h */
56