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comparison src/audio/mme/SDL_mmeaudio.h @ 654:e92bcf2573cb

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Added audio and CD-ROM support for OSF/Tru64 (thanks Hayashi!)
author Sam Lantinga <slouken@libsdl.org>
date Tue, 22 Jul 2003 14:01:21 +0000
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children b8d311d90021
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653:1bd056de5d1b 654:e92bcf2573cb
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public
16 License along with this library; if not, write to the Free
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22
23 /* Allow access to a raw mixing buffer */
24
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include <mme_api.h>
29
30 #include "SDL_audio.h"
31 #include "SDL_mutex.h"
32 #include "SDL_timer.h"
33 #include "SDL_audio_c.h"
34
35 #ifndef _SDL_lowaudio_h
36 #define _SDL_lowaudio_h
37 #include "SDL_sysaudio.h"
38
39 /* Hidden "this" pointer for the video functions */
40 #define _THIS SDL_AudioDevice *this
41 #define NUM_BUFFERS 2
42
43 struct SharedMem {
44 HWAVEOUT sound;
45 WAVEHDR wHdr[NUM_BUFFERS];
46 PCMWAVEFORMAT wFmt;
47 };
48
49 struct SDL_PrivateAudioData {
50 Uint8 *mixbuf; /* The raw allocated mixing buffer */
51 struct SharedMem *shm;
52 int next_buffer;
53 };
54
55 #define shm (this->hidden->shm)
56 #define mixbuf (this->hidden->mixbuf)
57 #define next_buffer (this->hidden->next_buffer)
58 /* Old variable names */
59 #endif /* _SDL_lowaudio_h */