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annotate src/audio/nto/SDL_nto_audio.h @ 1642:f1211a4b7380

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Fixed bug #189 Clip the overlay destination rectangle to the screen area on X11
author Sam Lantinga <slouken@libsdl.org>
date Mon, 17 Apr 2006 05:38:33 +0000
parents d910939febfa
children 782fd950bd46 a1b03ba2fcd0
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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 __SDL_NTO_AUDIO_H__
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25 #define __SDL_NTO_AUDIO_H__
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27 #include <sys/asoundlib.h>
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28
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29 #include "../SDL_sysaudio.h"
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30
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31 /* Hidden "this" pointer for the audio 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 {
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36 /* The audio device handle */
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37 int cardno;
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38 int deviceno;
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39 snd_pcm_t* audio_handle;
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41 /* The audio file descriptor */
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42 int audio_fd;
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43
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44 /* The parent process id, to detect when application quits */
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45 pid_t parent;
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46
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47 /* Raw mixing buffer */
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48 Uint8* pcm_buf;
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49 Uint32 pcm_len;
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51 /* QSA parameters */
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52 snd_pcm_channel_status_t cstatus;
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53 snd_pcm_channel_params_t cparams;
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54 snd_pcm_channel_setup_t csetup;
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55 };
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56
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57 #define cardno (this->hidden->cardno)
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58 #define deviceno (this->hidden->deviceno)
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59 #define audio_handle (this->hidden->audio_handle)
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60 #define audio_fd (this->hidden->audio_fd)
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61 #define parent (this->hidden->parent)
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62 #define pcm_buf (this->hidden->pcm_buf)
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63 #define pcm_len (this->hidden->pcm_len)
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64 #define cstatus (this->hidden->cstatus)
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65 #define cparams (this->hidden->cparams)
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66 #define csetup (this->hidden->csetup)
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68 #endif /* __SDL_NTO_AUDIO_H__ */