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annotate src/audio/mint/SDL_mintaudiodma.h @ 604:31d3af76488b

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Date: Mon, 24 Feb 2003 16:31:25 -0500 From: Ragnvald "Despair" Maartmann-Moe IV Subject: SDL x11 video mode selection bug Hi, I've found an oddity with video mode selection. I recently added a bunch of oddball video modes to my XF86Config, to support weird resolutions xine & mplayer need if I don't want to beat my cpu up with video scaling. Since adding them, SDL started picking the biggest video mode it could find that matched the height constraint. Getting a narrow vertical strip of QuakeForge (I code for the project, so needless to say it's my favorite test) in the middle of an 800x480 screen, instead of the 640x480 I asked for annoys me tremendously. So here's a patch that tries a bit harder to get an exact match. I didn't touch the XiG section, since I can't test that, but I'd bet a similar patch would prevent similar problems there. --Ragnvald "Despair" Maartmann-Moe IV
author Sam Lantinga <slouken@libsdl.org>
date Thu, 06 Mar 2003 06:02:16 +0000
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1 /*
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2 * STE/TT 8 bits audio dma registers
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3 *
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4 * Patrice Mandin
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5 */
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6
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7 #ifndef _SDL_mintdma_h
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8 #define _SDL_mintdma_h
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9
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10 #define DMAAUDIO_IO_BASE (0xffff8900)
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11 struct DMAAUDIO_IO_S {
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12 unsigned char int_ctrl;
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13 unsigned char control;
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14
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15 unsigned char dummy1;
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16 unsigned char start_high;
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17 unsigned char dummy2;
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18 unsigned char start_mid;
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19 unsigned char dummy3;
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20 unsigned char start_low;
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21
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22 unsigned char dummy4;
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23 unsigned char cur_high;
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24 unsigned char dummy5;
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25 unsigned char cur_mid;
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26 unsigned char dummy6;
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27 unsigned char cur_low;
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28
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29 unsigned char dummy7;
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30 unsigned char end_high;
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31 unsigned char dummy8;
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32 unsigned char end_mid;
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33 unsigned char dummy9;
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34 unsigned char end_low;
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35
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36 unsigned char dummy10[12];
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37
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38 unsigned char track_select; /* CODEC only */
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39 unsigned char mode;
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40 };
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41 #define DMAAUDIO_IO ((*(volatile struct DMAAUDIO_IO_S *)DMAAUDIO_IO_BASE))
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42
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43 #endif /* _SDL_mintdma_h */