Mercurial > sdl-ios-xcode

annotate src/audio/disk/SDL_diskaudio.h @ 2659:8da698bc1205 gsoc2008_audio_resampling

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Fixed lots of bugs in FIR filtering. Fixed point code is closer to working, but there seems to be overflow in the FIR filter resulting in distortion.
author Aaron Wishnick <schnarf@gmail.com>
date Sun, 22 Jun 2008 00:36:35 +0000
parents 5f6550e5184f
children 99210400e8b9
rev   line source
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ac6645260d31 Added an audio driver that writes to disk (thanks Ryan!)
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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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e8157fcb3114 Updated the source with the correct e-mail address
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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 #ifndef _SDL_diskaudio_h
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25 #define _SDL_diskaudio_h
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26
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27 #include "SDL_rwops.h"
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19418e4422cb New configure-based build system. Still work in progress, but much improved
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28 #include "../SDL_sysaudio.h"
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29
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30 /* Hidden "this" pointer for the audio functions */
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31 #define _THIS SDL_AudioDevice *this
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32
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33 struct SDL_PrivateAudioData
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34 {
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35 /* The file descriptor for the audio device */
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36 SDL_RWops *output;
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37 Uint8 *mixbuf;
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38 Uint32 mixlen;
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39 Uint32 write_delay;
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40 };
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42 #endif /* _SDL_diskaudio_h */
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43 /* vi: set ts=4 sw=4 expandtab: */