src/audio/sun/SDL_sunaudio.h
author Sam Lantinga
Thu, 26 Apr 2001 16:45:43 +0000
changeset 0 74212992fb08
child 252 e8157fcb3114
permissions -rw-r--r--
Initial revision
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997, 1998, 1999, 2000, 2001  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@devolution.com
    21 */
    22 
    23 #ifdef SAVE_RCSID
    24 static char rcsid =
    25  "@(#) $Id$";
    26 #endif
    27 
    28 #ifndef _SDL_lowaudio_h
    29 #define _SDL_lowaudio_h
    30 
    31 #include "SDL_sysaudio.h"
    32 
    33 /* Hidden "this" pointer for the video functions */
    34 #define _THIS	SDL_AudioDevice *this
    35 
    36 struct SDL_PrivateAudioData {
    37 	/* The file descriptor for the audio device */
    38 	int audio_fd;
    39 
    40 	Uint16 audio_fmt;        /* The app audio format */
    41 	Uint8 *mixbuf;           /* The app mixing buffer */
    42 	int ulaw_only;           /* Flag -- does hardware only output U-law? */
    43 	Uint8 *ulaw_buf;         /* The U-law mixing buffer */
    44 	Sint32 written;          /* The number of samples written */
    45 	int fragsize;            /* The audio fragment size in samples */
    46 	int frequency;           /* The audio frequency in KHz */
    47 };
    48 
    49 /* Old variable names */
    50 #define audio_fd		(this->hidden->audio_fd)
    51 #define audio_fmt		(this->hidden->audio_fmt)
    52 #define mixbuf			(this->hidden->mixbuf)
    53 #define ulaw_only		(this->hidden->ulaw_only)
    54 #define ulaw_buf		(this->hidden->ulaw_buf)
    55 #define written			(this->hidden->written)
    56 #define fragsize		(this->hidden->fragsize)
    57 #define frequency		(this->hidden->frequency)
    58 
    59 #endif /* _SDL_lowaudio_h */