src/audio/sun/SDL_sunaudio.h
author Sam Lantinga
Sat, 31 Dec 2011 09:16:08 -0500
branchSDL-1.2
changeset 6137 4720145f848b
parent 4159 a1b03ba2fcd0
permissions -rw-r--r--
Happy New Year!
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2012 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Lesser General Public
     7     License as published by the Free Software Foundation; either
     8     version 2.1 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     Lesser General Public License for more details.
    14 
    15     You should have received a copy of the GNU Lesser General Public
    16     License along with this library; if not, write to the Free Software
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 #include "SDL_config.h"
    23 
    24 #ifndef _SDL_lowaudio_h
    25 #define _SDL_lowaudio_h
    26 
    27 #include "../SDL_sysaudio.h"
    28 
    29 /* Hidden "this" pointer for the video functions */
    30 #define _THIS	SDL_AudioDevice *this
    31 
    32 struct SDL_PrivateAudioData {
    33 	/* The file descriptor for the audio device */
    34 	int audio_fd;
    35 
    36 	Uint16 audio_fmt;        /* The app audio format */
    37 	Uint8 *mixbuf;           /* The app mixing buffer */
    38 	int ulaw_only;           /* Flag -- does hardware only output U-law? */
    39 	Uint8 *ulaw_buf;         /* The U-law mixing buffer */
    40 	Sint32 written;          /* The number of samples written */
    41 	int fragsize;            /* The audio fragment size in samples */
    42 	int frequency;           /* The audio frequency in KHz */
    43 };
    44 
    45 /* Old variable names */
    46 #define audio_fd		(this->hidden->audio_fd)
    47 #define audio_fmt		(this->hidden->audio_fmt)
    48 #define mixbuf			(this->hidden->mixbuf)
    49 #define ulaw_only		(this->hidden->ulaw_only)
    50 #define ulaw_buf		(this->hidden->ulaw_buf)
    51 #define written			(this->hidden->written)
    52 #define fragsize		(this->hidden->fragsize)
    53 #define frequency		(this->hidden->frequency)
    54 
    55 #endif /* _SDL_lowaudio_h */