src/audio/sun/SDL_sunaudio.h
author Sam Lantinga
Wed, 01 Feb 2006 06:32:25 +0000
changeset 1312 c9b51268668f
parent 769 b8d311d90021
child 1361 19418e4422cb
permissions -rw-r--r--
Updated copyright information and removed rcs id lines (problematic in branch merges)
I batch edited these files, so please let me know if I've accidentally removed anybody's
credit here.
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2006 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 
    23 #ifndef _SDL_lowaudio_h
    24 #define _SDL_lowaudio_h
    25 
    26 #include "SDL_sysaudio.h"
    27 
    28 /* Hidden "this" pointer for the video functions */
    29 #define _THIS	SDL_AudioDevice *this
    30 
    31 struct SDL_PrivateAudioData {
    32 	/* The file descriptor for the audio device */
    33 	int audio_fd;
    34 
    35 	Uint16 audio_fmt;        /* The app audio format */
    36 	Uint8 *mixbuf;           /* The app mixing buffer */
    37 	int ulaw_only;           /* Flag -- does hardware only output U-law? */
    38 	Uint8 *ulaw_buf;         /* The U-law mixing buffer */
    39 	Sint32 written;          /* The number of samples written */
    40 	int fragsize;            /* The audio fragment size in samples */
    41 	int frequency;           /* The audio frequency in KHz */
    42 };
    43 
    44 /* Old variable names */
    45 #define audio_fd		(this->hidden->audio_fd)
    46 #define audio_fmt		(this->hidden->audio_fmt)
    47 #define mixbuf			(this->hidden->mixbuf)
    48 #define ulaw_only		(this->hidden->ulaw_only)
    49 #define ulaw_buf		(this->hidden->ulaw_buf)
    50 #define written			(this->hidden->written)
    51 #define fragsize		(this->hidden->fragsize)
    52 #define frequency		(this->hidden->frequency)
    53 
    54 #endif /* _SDL_lowaudio_h */