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annotate src/audio/sun/SDL_sunaudio.h @ 2288:e9bcf004c324

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Merged fix for bug #482 from SDL 1.2 revision 3492.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 29 Dec 2007 20:13:23 +0000
parents 5f6550e5184f
children 99210400e8b9
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #ifndef _SDL_sunaudio_h
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25 #define _SDL_sunaudio_h
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26
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27 #include "../SDL_sysaudio.h"
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28
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29 /* Hidden "this" pointer for the audio functions */
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30 #define _THIS SDL_AudioDevice *this
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31
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32 struct SDL_PrivateAudioData
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33 {
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34 /* The file descriptor for the audio device */
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35 int audio_fd;
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36
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37 SDL_AudioFormat audio_fmt; /* The app audio format */
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38 Uint8 *mixbuf; /* The app mixing buffer */
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39 int ulaw_only; /* Flag -- does hardware only output U-law? */
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40 Uint8 *ulaw_buf; /* The U-law mixing buffer */
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41 Sint32 written; /* The number of samples written */
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42 int fragsize; /* The audio fragment size in samples */
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43 int frequency; /* The audio frequency in KHz */
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44 };
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45
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46 /* Old variable names */
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47 #define audio_fd (this->hidden->audio_fd)
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48 #define audio_fmt (this->hidden->audio_fmt)
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49 #define mixbuf (this->hidden->mixbuf)
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50 #define ulaw_only (this->hidden->ulaw_only)
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51 #define ulaw_buf (this->hidden->ulaw_buf)
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52 #define written (this->hidden->written)
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53 #define fragsize (this->hidden->fragsize)
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54 #define frequency (this->hidden->frequency)
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55
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56 #endif /* _SDL_sunaudio_h */
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57
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58 /* vi: set ts=4 sw=4 expandtab: */