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annotate src/audio/mint/SDL_mintaudio_mcsn.h @ 809:dba98fb391e7

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Date: Tue, 13 Jan 2004 19:25:37 +0300 From: Dmitry Yakimov Subject: [SDL] [PATCH] SDL bug patch Let me introduce 2 fixes to SDL. 1. Preventing great slowdown on fast machines while hardware flipping (it's obviously bug). 2. Setting up 85 Hz of monitor if supported. The reason is that Win98 by default sets lowest frequency 60 Hz. And we can't set up maximum frequency because some users can have wrong monitor drivers. This is important for shareware and commercial programs.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 11 Feb 2004 16:10:16 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 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 Library 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 Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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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
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23 /*
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24 MCSN control structure
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25
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26 Patrice Mandin
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27 */
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28
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29 #ifndef _SDL_mintaudio_mcsh_h
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30 #define _SDL_mintaudio_mcsh_h
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31
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32 typedef struct {
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33 unsigned short version; /* Version */
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34 unsigned short size; /* Size of structure */
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35
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36 unsigned short play; /* Replay capability */
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37 unsigned short record; /* Record capability */
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38 unsigned short dsp; /* DSP56K present */
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39 unsigned short pint; /* Interrupt at end of replay */
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40 unsigned short rint; /* Interrupt at end of record */
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41
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42 unsigned long res1; /* Frequency of external clock */
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43 unsigned long res2;
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44 unsigned long res3;
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45 unsigned long res4;
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46 } cookie_mcsn_t __attribute__((packed));
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47
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48 enum {
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49 MCSN_ST=0,
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50 MCSN_TT,
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51 MCSN_STE=MCSN_TT,
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52 MCSN_FALCON,
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53 MCSN_MAC=MCSN_FALCON
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54 };
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55
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56 #define SETSMPFREQ 7 /* Set sample frequency */
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57
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58 #endif /* _SDL_mintaudio_mcsh_h */