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annotate src/audio/nto/SDL_nto_audio.h @ 802:3c609d54f100

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author Sam Lantinga <slouken@libsdl.org>
date Sun, 08 Feb 2004 22:21:30 +0000
parents b8d311d90021
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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 __SDL_NTO_AUDIO_H__
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24 #define __SDL_NTO_AUDIO_H__
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25
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26 #include "SDL_sysaudio.h"
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27 #include <sys/asoundlib.h>
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29 /* Hidden "this" pointer for the audio functions */
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30 #define _THIS SDL_AudioDevice *this
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32 struct SDL_PrivateAudioData
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33 {
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34 /* The audio device handle */
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35 int cardno;
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36 int deviceno;
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37 snd_pcm_t* audio_handle;
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39 /* The audio file descriptor */
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40 int audio_fd;
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41
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42 /* The parent process id, to detect when application quits */
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43 pid_t parent;
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44
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45 /* Raw mixing buffer */
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46 Uint8* pcm_buf;
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47 Uint32 pcm_len;
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49 /* QSA parameters */
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50 snd_pcm_channel_status_t cstatus;
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51 snd_pcm_channel_params_t cparams;
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52 snd_pcm_channel_setup_t csetup;
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53 };
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55 #define cardno (this->hidden->cardno)
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56 #define deviceno (this->hidden->deviceno)
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57 #define audio_handle (this->hidden->audio_handle)
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58 #define audio_fd (this->hidden->audio_fd)
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59 #define parent (this->hidden->parent)
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60 #define pcm_buf (this->hidden->pcm_buf)
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61 #define pcm_len (this->hidden->pcm_len)
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62 #define cstatus (this->hidden->cstatus)
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63 #define cparams (this->hidden->cparams)
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64 #define csetup (this->hidden->csetup)
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66 #endif /* __SDL_NTO_AUDIO_H__ */