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SDL_nto_audio.h
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SDL_nto_audio.h
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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com
*/
#ifndef _NTO_PCM_audio_h
#define _NTO_PCM_audio_h
#include "SDL_sysaudio.h"
#include <sys/asoundlib.h>
/* Hidden "this" pointer for the video functions */
#define _THIS SDL_AudioDevice *this
struct SDL_PrivateAudioData {
/* The audio device handle */
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;
int pcm_len;
};
#define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */
/* Old variable names */
#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)
#endif /* _NTO_PCM_audio_h */