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annotate src/audio/pulse/SDL_pulseaudio.h @ 4227:c5ee6a0d7916 SDL-1.2

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Fix for expression error by Torsten Giebl - Thanks! :)
author Sam Lantinga <slouken@libsdl.org>
date Mon, 21 Sep 2009 11:48:03 +0000
parents 5b99971a27b4
children fe15c4e8efe6
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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Stéphan Kochen
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20 stephan@kochen.nl
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21
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22 Based on parts of the ALSA and ESounD output drivers.
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23 */
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24 #include "SDL_config.h"
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25
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26 #ifndef _SDL_pulseaudio_h
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27 #define _SDL_pulseaudio_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 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 pa_mainloop *mainloop;
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36 pa_mainloop_api *mainloop_api;
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37 pa_context *context;
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38 pa_stream *stream;
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39
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40 /* Raw mixing buffer */
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41 Uint8 *mixbuf;
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42 int mixlen;
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43 };
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44
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45 #if (PA_API_VERSION < 12)
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46 /** Return non-zero if the passed state is one of the connected states */
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47 static inline int PA_CONTEXT_IS_GOOD(pa_context_state_t x) {
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48 return
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49 x == PA_CONTEXT_CONNECTING ||
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50 x == PA_CONTEXT_AUTHORIZING ||
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51 x == PA_CONTEXT_SETTING_NAME ||
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52 x == PA_CONTEXT_READY;
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53 }
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54 /** Return non-zero if the passed state is one of the connected states */
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55 static inline int PA_STREAM_IS_GOOD(pa_stream_state_t x) {
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56 return
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57 x == PA_STREAM_CREATING ||
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58 x == PA_STREAM_READY;
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59 }
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60 #endif /* pulseaudio <= 0.9.10 */
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61
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62 /* Old variable names */
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63 #define mainloop (this->hidden->mainloop)
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64 #define mainloop_api (this->hidden->mainloop_api)
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65 #define context (this->hidden->context)
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66 #define stream (this->hidden->stream)
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67 #define mixbuf (this->hidden->mixbuf)
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68 #define mixlen (this->hidden->mixlen)
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69
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70 #endif /* _SDL_pulseaudio_h */
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71