SDL-1.2.14
[sdl_omap.git] / src / audio / nto / SDL_nto_audio.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 Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 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 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21*/
22#include "SDL_config.h"
23
24#ifndef __SDL_NTO_AUDIO_H__
25#define __SDL_NTO_AUDIO_H__
26
27#include <sys/asoundlib.h>
28
29#include "../SDL_sysaudio.h"
30
31/* Hidden "this" pointer for the audio functions */
32#define _THIS SDL_AudioDevice *this
33
34struct SDL_PrivateAudioData
35{
36 /* The audio device handle */
37 int cardno;
38 int deviceno;
39 snd_pcm_t* audio_handle;
40
41 /* The audio file descriptor */
42 int audio_fd;
43
44 /* The parent process id, to detect when application quits */
45 pid_t parent;
46
47 /* Raw mixing buffer */
48 Uint8* pcm_buf;
49 Uint32 pcm_len;
50
51 /* QSA parameters */
52 snd_pcm_channel_status_t cstatus;
53 snd_pcm_channel_params_t cparams;
54 snd_pcm_channel_setup_t csetup;
55};
56
57#define cardno (this->hidden->cardno)
58#define deviceno (this->hidden->deviceno)
59#define audio_handle (this->hidden->audio_handle)
60#define audio_fd (this->hidden->audio_fd)
61#define parent (this->hidden->parent)
62#define pcm_buf (this->hidden->pcm_buf)
63#define pcm_len (this->hidden->pcm_len)
64#define cstatus (this->hidden->cstatus)
65#define cparams (this->hidden->cparams)
66#define csetup (this->hidden->csetup)
67
68#endif /* __SDL_NTO_AUDIO_H__ */