Mercurial > sdl-ios-xcode
comparison src/audio/arts/SDL_artsaudio.h @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | e8157fcb3114 |
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-1:000000000000 | 0:74212992fb08 |
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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 |