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annotate src/audio/bsd/SDL_bsdaudio.h @ 4068:86746036a6d6 SDL-1.2

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I think this fixes bug #454
author Sam Lantinga <slouken@libsdl.org>
date Sun, 15 Jul 2007 14:05:31 +0000
parents 12b6d331d82a
children 782fd950bd46 a1b03ba2fcd0
rev   line source
1567
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
Sam Lantinga <slouken@libsdl.org>
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1 /*
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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2 SDL - Simple DirectMedia Layer
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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3 Copyright (C) 1997-2004 Sam Lantinga
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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4
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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5 This library is free software; you can redistribute it and/or
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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6 modify it under the terms of the GNU Library General Public
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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7 License as published by the Free Software Foundation; either
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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8 version 2 of the License, or (at your option) any later version.
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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9
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
Sam Lantinga <slouken@libsdl.org>
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10 This library is distributed in the hope that it will be useful,
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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13 Library General Public License for more details.
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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14
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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15 You should have received a copy of the GNU Library General Public
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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16 License along with this library; if not, write to the Free
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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18
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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19 Sam Lantinga
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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20 slouken@libsdl.org
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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21 */
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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22 #include "SDL_config.h"
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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23
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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24 #ifndef _SDL_openbsdaudio_h
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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25 #define _SDL_openbsdaudio_h
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26
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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27 #include "../SDL_sysaudio.h"
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28
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29 #define _THIS SDL_AudioDevice *this
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30
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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31 struct SDL_PrivateAudioData
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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32 {
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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33 /* The file descriptor for the audio device */
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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34 int audio_fd;
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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35
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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36 /* The parent process id, to detect when application quits */
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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37 pid_t parent;
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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38
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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39 /* Raw mixing buffer */
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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40 Uint8 *mixbuf;
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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41 int mixlen;
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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42
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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43 /* Support for audio timing using a timer, in addition to select() */
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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44 float frame_ticks;
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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45 float next_frame;
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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46 };
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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47
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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48 #define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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49
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
Sam Lantinga <slouken@libsdl.org>
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50 /* Old variable names */
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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51 #define audio_fd (this->hidden->audio_fd)
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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52 #define parent (this->hidden->parent)
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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53 #define mixbuf (this->hidden->mixbuf)
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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54 #define mixlen (this->hidden->mixlen)
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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55 #define frame_ticks (this->hidden->frame_ticks)
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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56 #define next_frame (this->hidden->next_frame)
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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57
12b6d331d82a Good idea, renaming OpenBSD audio to BSD audio.
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58 #endif /* _SDL_openbsdaudio_h */