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annotate src/audio/mme/SDL_mmeaudio.h @ 1029:f87f87efd45a

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Date: Mon, 17 Jan 2005 20:54:50 +0200 From: Ville [snip] Subject: [PATCH] SDL/DirectFB: remove Matrox CRTC2 flicker filter Hi, This patch removes the flicker filter option from the DirectFB backend's Matrox CRTC2 code in SDL. I will be removing the option from DirectFB (because it doesn't actually work) and that would cause the SDL code to fail without this fix. I was going to send this to some SDL list directly but libsdl.org is down so I'm not sure what if any lists there are. Thomas Jarosch (the guy who wrote the code) said you would accept SDL patches. Let me know if I should send this somewhere else. -- Ville Syrj�l� syrjala _at sci.fi http://www.sci.fi/~syrjala/
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 17 Jan 2005 19:38:28 +0000
parents b8d311d90021
children 604d73db6802
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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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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
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23 /* Allow access to a raw mixing buffer */
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24
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27 #include <string.h>
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28 #include <mme_api.h>
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29
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30 #include "SDL_audio.h"
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31 #include "SDL_mutex.h"
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32 #include "SDL_timer.h"
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33 #include "SDL_audio_c.h"
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34
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35 #ifndef _SDL_lowaudio_h
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36 #define _SDL_lowaudio_h
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37 #include "SDL_sysaudio.h"
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38
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39 /* Hidden "this" pointer for the video functions */
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40 #define _THIS SDL_AudioDevice *this
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41 #define NUM_BUFFERS 2
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42
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43 struct SharedMem {
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44 HWAVEOUT sound;
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45 WAVEHDR wHdr[NUM_BUFFERS];
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46 PCMWAVEFORMAT wFmt;
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47 };
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48
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49 struct SDL_PrivateAudioData {
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50 Uint8 *mixbuf; /* The raw allocated mixing buffer */
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51 struct SharedMem *shm;
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52 int next_buffer;
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53 };
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54
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55 #define shm (this->hidden->shm)
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56 #define mixbuf (this->hidden->mixbuf)
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57 #define next_buffer (this->hidden->next_buffer)
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58 /* Old variable names */
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59 #endif /* _SDL_lowaudio_h */