| 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__ */ |