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annotate src/audio/qsa/SDL_qsa_audio.h @ 3583:65f66674b7fb

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Allocate memory only if we're going to overwrite an environment variable
author Sam Lantinga <slouken@libsdl.org>
date Wed, 16 Dec 2009 16:08:17 +0000
parents 7f684f249ec9
children f7b03b6838cb
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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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18
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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 QNX Sound Architecture (QSA) SDL driver
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23 Copyright (C) 2009 Mike Gorchak
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24 (mike@malva.ua, lestat@i.com.ua)
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25 */
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26
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27 #include "SDL_config.h"
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28
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29 #ifndef __SDL_QSA_AUDIO_H__
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30 #define __SDL_QSA_AUDIO_H__
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31
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32 #include <sys/asoundlib.h>
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33
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34 #include "../SDL_sysaudio.h"
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35
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36 /* Hidden "this" pointer for the audio functions */
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37 #define _THIS SDL_AudioDevice* this
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38
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39 struct SDL_PrivateAudioData
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40 {
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41 /* SDL capture state */
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42 int iscapture;
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43
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44 /* The audio device handle */
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45 int cardno;
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46 int deviceno;
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47 snd_pcm_t *audio_handle;
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48
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49 /* The audio file descriptor */
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50 int audio_fd;
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51
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52 /* Select timeout status */
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53 uint32_t timeout_on_wait;
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54
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55 /* Raw mixing buffer */
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56 Uint8 *pcm_buf;
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57 Uint32 pcm_len;
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58 };
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59
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60 #endif /* __SDL_QSA_AUDIO_H__ */
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61
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62 /* vi: set ts=4 sw=4 expandtab: */