/*

    SDL - Simple DirectMedia Layer

    Copyright (C) 1997-2004 Sam Lantinga

    This library is free software; you can redistribute it and/or

    modify it under the terms of the GNU Library General Public

    License as published by the Free Software Foundation; either

    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public

    License along with this library; if not, write to the Free

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga

    slouken@libsdl.org

*/

#include "SDL_config.h"

#ifndef __SDL_NTO_AUDIO_H__

#define __SDL_NTO_AUDIO_H__

#include <sys/asoundlib.h>

#include "../SDL_sysaudio.h"

/* Hidden "this" pointer for the audio functions */

#define _THIS	SDL_AudioDevice *this

struct SDL_PrivateAudioData

{

    /* The audio device handle */

    int cardno;

    int deviceno;

    snd_pcm_t* audio_handle;

    /* The audio file descriptor */

    int audio_fd;

    /* The parent process id, to detect when application quits */

    pid_t parent;

    /* Raw mixing buffer */

    Uint8* pcm_buf;

    Uint32 pcm_len;

    /* QSA parameters */

    snd_pcm_channel_status_t cstatus;

    snd_pcm_channel_params_t cparams;

    snd_pcm_channel_setup_t  csetup;

};

#define cardno          (this->hidden->cardno)

#define deviceno        (this->hidden->deviceno)

#define audio_handle    (this->hidden->audio_handle)

#define audio_fd        (this->hidden->audio_fd)

#define parent          (this->hidden->parent)

#define pcm_buf         (this->hidden->pcm_buf)

#define pcm_len         (this->hidden->pcm_len)

#define cstatus         (this->hidden->cstatus)

#define cparams         (this->hidden->cparams)

#define csetup          (this->hidden->csetup)

#endif /* __SDL_NTO_AUDIO_H__ */