src/audio/mme/SDL_mmeaudio.h
author Sam Lantinga <slouken@libsdl.org>
Sun, 02 Aug 2009 18:39:57 +0000
changeset 3227 458e53d8662c
parent 2859 99210400e8b9
child 3697 f7b03b6838cb
permissions -rw-r--r--
Clarified API documentation
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2009 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@libsdl.org
    21 */
    22 #include "SDL_config.h"
    23 
    24 /* Allow access to a raw mixing buffer */
    25 
    26 #ifndef _SDL_mmeaudio_h
    27 #define _SDL_mmeaudio_h
    28 
    29 #include "../SDL_sysaudio.h"
    30 
    31 /* Hidden "this" pointer for the audio functions */
    32 #define _THIS	SDL_AudioDevice *this
    33 #define NUM_BUFFERS 2
    34 
    35 struct SharedMem
    36 {
    37     HWAVEOUT sound;
    38     WAVEHDR wHdr[NUM_BUFFERS];
    39     PCMWAVEFORMAT wFmt;
    40 };
    41 
    42 struct SDL_PrivateAudioData
    43 {
    44     Uint8 *mixbuf;              /* The raw allocated mixing buffer */
    45     struct SharedMem *shm;
    46     int next_buffer;
    47 };
    48 
    49 #endif /* _SDL_mmeaudio_h */
    50 
    51 /* vi: set ts=4 sw=4 expandtab: */