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 | |
34 | struct 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__ */ |