Mercurial > sdl-ios-xcode
annotate src/audio/sun/SDL_sunaudio.h @ 574:64fe373be3dc
Cth converted the MMX audio mixing routines to VC++ syntax
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 20 Jan 2003 16:01:20 +0000 |
| parents | f6ffac90895c |
| children | b8d311d90021 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
297
f6ffac90895c
Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 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 | |
|
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
20 slouken@libsdl.org |
| 0 | 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 */ |