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annotate src/audio/alsa/SDL_alsa_audio.h @ 2135:0313af081a84

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Merge iconv const changes from 1.2 I'm not entirely happy with them. Maybe the right way to go is to leave SDL_iconv() taking a non-const inbuf? How often are we converting const strings anyway?
author Sam Lantinga <slouken@libsdl.org>
date Thu, 28 Jun 2007 06:57:08 +0000
parents 5f6550e5184f
children 99210400e8b9
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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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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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23
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24 #ifndef _ALSA_PCM_audio_h
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25 #define _ALSA_PCM_audio_h
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26
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27 #define ALSA_PCM_OLD_HW_PARAMS_API
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28 #define ALSA_PCM_OLD_SW_PARAMS_API
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29 #include <alsa/asoundlib.h>
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30
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31 #include "../SDL_sysaudio.h"
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32
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33 /* Hidden "this" pointer for the audio functions */
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34 #define _THIS SDL_AudioDevice *this
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35
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36 struct SDL_PrivateAudioData
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37 {
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38 /* The audio device handle */
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39 snd_pcm_t *pcm_handle;
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40
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41 /* The parent process id, to detect when application quits */
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42 pid_t parent;
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43
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44 /* Raw mixing buffer */
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45 Uint8 *mixbuf;
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46 int mixlen;
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47 };
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48
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49 #endif /* _ALSA_PCM_audio_h */
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50 /* vi: set ts=4 sw=4 expandtab: */