0
+ − 1 /*
+ − 2 SDL - Simple DirectMedia Layer
+ − 3 Copyright (C) 1997, 1998, 1999, 2000, 2001 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@devolution.com
+ − 21 */
+ − 22
+ − 23 #ifdef SAVE_RCSID
+ − 24 static char rcsid =
+ − 25 "@(#) $Id$";
+ − 26 #endif
+ − 27
+ − 28 #ifndef _SDL_artscaudio_h
+ − 29 #define _SDL_artscaudio_h
+ − 30
+ − 31 #include <artsc.h>
+ − 32 #include "SDL_sysaudio.h"
+ − 33
+ − 34 /* Hidden "this" pointer for the video functions */
+ − 35 #define _THIS SDL_AudioDevice *this
+ − 36
+ − 37 struct SDL_PrivateAudioData {
+ − 38 /* The stream descriptor for the audio device */
+ − 39 arts_stream_t stream;
+ − 40
+ − 41 /* The parent process id, to detect when application quits */
+ − 42 pid_t parent;
+ − 43
+ − 44 /* Raw mixing buffer */
+ − 45 Uint8 *mixbuf;
+ − 46 int mixlen;
+ − 47
+ − 48 /* Support for audio timing using a timer, in addition to select() */
+ − 49 float frame_ticks;
+ − 50 float next_frame;
+ − 51 };
+ − 52 #define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */
+ − 53
+ − 54 /* Old variable names */
+ − 55 #define stream (this->hidden->stream)
+ − 56 #define parent (this->hidden->parent)
+ − 57 #define mixbuf (this->hidden->mixbuf)
+ − 58 #define mixlen (this->hidden->mixlen)
+ − 59 #define frame_ticks (this->hidden->frame_ticks)
+ − 60 #define next_frame (this->hidden->next_frame)
+ − 61
+ − 62 #endif /* _SDL_artscaudio_h */
+ − 63
