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annotate src/audio/nas/SDL_nasaudio.h @ 4194:05c9e942cc46 SDL-1.2

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Preliminary work to support the Milan video bios, that will gives access to 24 or 32 bpp modes. I used the svga driver as model to dynamically build video modes list.
author Patrice Mandin <patmandin@gmail.com>
date Sat, 19 Sep 2009 12:46:00 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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 This driver was written by:
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23 Erik Inge Bolsų
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24 knan@mo.himolde.no
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25 */
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26 #include "SDL_config.h"
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28 #ifndef _SDL_nasaudio_h
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29 #define _SDL_nasaudio_h
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30
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31 #ifdef __sgi
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32 #include <nas/audiolib.h>
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33 #else
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34 #include <audio/audiolib.h>
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35 #endif
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36 #include <sys/time.h>
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37
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38 #include "../SDL_sysaudio.h"
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39
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40 /* Hidden "this" pointer for the video functions */
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41 #define _THIS SDL_AudioDevice *this
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42
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43 struct SDL_PrivateAudioData {
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44 AuServer* aud;
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45 AuFlowID flow;
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46 AuDeviceID dev;
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47
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48 /* The parent process id, to detect when application quits */
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49 pid_t parent;
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50
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51 /* Raw mixing buffer */
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52 Uint8 *mixbuf;
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53 int mixlen;
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54
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55 int written;
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56 int really;
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57 int bps;
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58 struct timeval last_tv;
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59 int buf_free;
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60 };
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61 #endif /* _SDL_nasaudio_h */
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