SDL-1.2.14
[sdl_omap.git] / src / audio / sun / SDL_sunaudio.h
CommitLineData
e14743d1 1/*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2009 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 "../SDL_sysaudio.h"
28
29/* Hidden "this" pointer for the video functions */
30#define _THIS SDL_AudioDevice *this
31
32struct SDL_PrivateAudioData {
33 /* The file descriptor for the audio device */
34 int audio_fd;
35
36 Uint16 audio_fmt; /* The app audio format */
37 Uint8 *mixbuf; /* The app mixing buffer */
38 int ulaw_only; /* Flag -- does hardware only output U-law? */
39 Uint8 *ulaw_buf; /* The U-law mixing buffer */
40 Sint32 written; /* The number of samples written */
41 int fragsize; /* The audio fragment size in samples */
42 int frequency; /* The audio frequency in KHz */
43};
44
45/* Old variable names */
46#define audio_fd (this->hidden->audio_fd)
47#define audio_fmt (this->hidden->audio_fmt)
48#define mixbuf (this->hidden->mixbuf)
49#define ulaw_only (this->hidden->ulaw_only)
50#define ulaw_buf (this->hidden->ulaw_buf)
51#define written (this->hidden->written)
52#define fragsize (this->hidden->fragsize)
53#define frequency (this->hidden->frequency)
54
55#endif /* _SDL_lowaudio_h */