src/audio/nto/SDL_nto_audio.h
author Sam Lantinga <slouken@libsdl.org>
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2004 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifndef __SDL_NTO_AUDIO_H__
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#define __SDL_NTO_AUDIO_H__
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#include <sys/asoundlib.h>
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#include "../SDL_sysaudio.h"
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/* Hidden "this" pointer for the audio functions */
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#define _THIS	SDL_AudioDevice *this
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struct SDL_PrivateAudioData
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{
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    /* The audio device handle */
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    int cardno;
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    int deviceno;
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    snd_pcm_t* audio_handle;
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    /* The audio file descriptor */
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    int audio_fd;
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    /* The parent process id, to detect when application quits */
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    pid_t parent;
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    /* Raw mixing buffer */
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    Uint8* pcm_buf;
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    Uint32 pcm_len;
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    /* QSA parameters */
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    snd_pcm_channel_status_t cstatus;
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    snd_pcm_channel_params_t cparams;
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    snd_pcm_channel_setup_t  csetup;
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};
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#define cardno          (this->hidden->cardno)
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#define deviceno        (this->hidden->deviceno)
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#define audio_handle    (this->hidden->audio_handle)
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#define audio_fd        (this->hidden->audio_fd)
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#define parent          (this->hidden->parent)
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#define pcm_buf         (this->hidden->pcm_buf)
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#define pcm_len         (this->hidden->pcm_len)
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#define cstatus         (this->hidden->cstatus)
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#define cparams         (this->hidden->cparams)
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#define csetup          (this->hidden->csetup)
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#endif /* __SDL_NTO_AUDIO_H__ */