src/audio/windib/SDL_dibaudio.h
author Sam Lantinga
Mon, 06 Feb 2006 08:28:51 +0000
changeset 1330 450721ad5436
parent 1312 c9b51268668f
child 1361 19418e4422cb
permissions -rw-r--r--
It's now possible to build SDL without any C runtime at all on Windows,
using Visual C++ 2005
     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 #define NUM_BUFFERS 2			/* -- Don't lower this! */
    32 
    33 struct SDL_PrivateAudioData {
    34 	HWAVEOUT sound;
    35 	HANDLE audio_sem;
    36 	Uint8 *mixbuf;		/* The raw allocated mixing buffer */
    37 	WAVEHDR wavebuf[NUM_BUFFERS];	/* Wave audio fragments */
    38 	int next_buffer;
    39 };
    40 
    41 /* Old variable names */
    42 #define sound			(this->hidden->sound)
    43 #define audio_sem 		(this->hidden->audio_sem)
    44 #define mixbuf			(this->hidden->mixbuf)
    45 #define wavebuf			(this->hidden->wavebuf)
    46 #define next_buffer		(this->hidden->next_buffer)
    47 
    48 #endif /* _SDL_lowaudio_h */