1/* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2004 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__ */ 69