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annotate src/video/ataricommon/SDL_ikbdinterrupt_s.h @ 2661:d38309be5178 gsoc2008_audio_resampling

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The windowed sinc filter generation code seems to be working fine. The FIR filtering code is also now working reasonably well. Occasionally the FIR filter will pop, but setting the normalization factor lower seems to help this. I suspect the problem is in the fixed point multiply/add. I also have a hunch the zero stuffing/sample discarding code is not correct, and I'll look at that soon to get it sorted out.
author Aaron Wishnick <schnarf@gmail.com>
date Wed, 02 Jul 2008 08:04:50 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
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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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24 /*
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25 * Mouse vector
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26 *
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27 * Patrice Mandin
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28 */
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29
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30 #ifndef _SDL_IKBDINTERRUPT_S_H_
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31 #define _SDL_IKBDINTERRUPT_S_H_
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32
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33 #include <mint/osbind.h>
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34
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35 #include "SDL_stdinc.h"
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36
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37 /* Const */
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38
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39 #define IKBD_JOY_UP (1<<0)
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40 #define IKBD_JOY_DOWN (1<<1)
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41 #define IKBD_JOY_LEFT (1<<2)
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42 #define IKBD_JOY_RIGHT (1<<3)
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43 #define IKBD_JOY_FIRE (1<<7)
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44
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45 /* Variables */
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46
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47 extern volatile Uint8 SDL_AtariIkbd_keyboard[128]; /* Keyboard table */
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48 extern volatile Uint16 SDL_AtariIkbd_mouseb; /* Mouse on port 0, buttons */
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49 extern volatile Sint16 SDL_AtariIkbd_mousex; /* Mouse X relative motion */
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50 extern volatile Sint16 SDL_AtariIkbd_mousey; /* Mouse Y relative motion */
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51 extern volatile Uint16 SDL_AtariIkbd_joystick; /* Joystick on port 1 */
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52
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53 /* For joystick driver to know if this is usable */
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54 extern Uint16 SDL_AtariIkbd_enabled;
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56 /* Functions */
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58 extern void SDL_AtariIkbdInstall(void);
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59 extern void SDL_AtariIkbdUninstall(void);
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61 #endif /* _SDL_IKBDINTERRUPT_S_H_ */
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62 /* vi: set ts=4 sw=4 expandtab: */