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annotate src/audio/alsa/SDL_alsa_audio.h @ 866:0a45995a7fc3

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Date: Tue, 2 Mar 2004 11:34:54 +0100 From: Bartosz Fenski aka fEnIo Subject: outdated entry in INSTALL file I've just found in INSTALL file: If you are cross-compiling from Linux to Win32, you should read the file README.Win32 But you don't shipped this file with SDL. I've found in CVS logs that this file has been deleted and this information is now in FAQ.
author Sam Lantinga <slouken@libsdl.org>
date Tue, 02 Mar 2004 13:01:02 +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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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 #ifndef _ALSA_PCM_audio_h
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24 #define _ALSA_PCM_audio_h
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25
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26 #include "SDL_sysaudio.h"
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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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31 /* Hidden "this" pointer for the video functions */
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32 #define _THIS SDL_AudioDevice *this
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33
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34 struct SDL_PrivateAudioData {
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35 /* The audio device handle */
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36 snd_pcm_t *pcm_handle;
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38 /* The parent process id, to detect when application quits */
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39 pid_t parent;
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40
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41 /* Raw mixing buffer */
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42 Uint8 *mixbuf;
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43 int mixlen;
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44 };
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46 /* Old variable names */
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47 #define pcm_handle (this->hidden->pcm_handle)
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48 #define parent (this->hidden->parent)
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49 #define mixbuf (this->hidden->mixbuf)
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50 #define mixlen (this->hidden->mixlen)
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52 #endif /* _ALSA_PCM_audio_h */