Mercurial > SDL_sound_CoreAudio

comparison alt_audio_convert.h @ 365:f61eadea1f44

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
More revisions from Frank.
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 18 Jun 2002 21:49:44 +0000
parents c984aa6990f7
children eda146d666d1
comparison
equal deleted inserted replaced
364:4bcbc442d145 365:f61eadea1f44
1 /* 1 /*
2 Extended Audio Converter for SDL (Simple DirectMedia Layer) 2 * Extended Audio Converter for SDL (Simple DirectMedia Layer)
3 Copyright (C) 2002 Frank Ranostaj 3 * Copyright (C) 2002 Frank Ranostaj
4 Institute of Applied Physik 4 * Institute of Applied Physik
5 Johann Wolfgang Goethe-Universität 5 * Johann Wolfgang Goethe-Universität
6 Frankfurt am Main, Germany 6 * Frankfurt am Main, Germany
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the Free
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 * Frank Ranostaj
23 * ranostaj@stud.uni-frankfurt.de
24 *
25 * (This code blatantly abducted for SDL_sound. Thanks, Frank! --ryan.)
26 */
7 27
8 This library is free software; you can redistribute it and/or 28 #ifndef _INCLUDE_ALT_AUDIO_CONVERT_H_
9 modify it under the terms of the GNU Library General Public 29 #define _INCLUDE_ALT_AUDIO_CONVERT_H_
10 License as published by the Free Software Foundation; either
11 version 2 of the License, or (at your option) any later version.
12
13 This library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Library General Public License for more details.
17
18 You should have received a copy of the GNU Library General Public
19 License along with this library; if not, write to the Free
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21
22 Frank Ranostaj
23 ranostaj@stud.uni-frankfurt.de
24
25 (This code blatantly abducted for SDL_sound. Thanks, Frank! --ryan.)
26
27 */
28
29 #ifndef _INCLUDE_AUDIO_CONVERT_H_
30 #define _INCLUDE_AUDIO_CONVERT_H_
31 30
32 #include "SDL_audio.h" 31 #include "SDL_audio.h"
33 #define Sound_AI_Loop 0x2 32 #define Sound_AI_Loop 0x2
34 #define _fsize 64 33 #define _fsize 64
35 34
36 35
37 typedef struct{ 36 typedef struct{
38 Sint16 c[16][2*_fsize]; 37 Sint16 c[16][2*_fsize];
39 char incr[16]; 38 char incr[16];
40 int pos_mod; 39 int denominator;
40 int numerator;
41 } VarFilter; 41 } VarFilter;
42 42
43 typedef struct{ 43 typedef struct{
44 Uint8* buffer; 44 Uint8* buffer;
45 int mode; 45 int mode;
73 73
74 extern DECLSPEC int Sound_BuildAudioCVT( Sound_AudioCVT *Data, 74 extern DECLSPEC int Sound_BuildAudioCVT( Sound_AudioCVT *Data,
75 Uint16 src_format, Uint8 src_channels, int src_rate, 75 Uint16 src_format, Uint8 src_channels, int src_rate,
76 Uint16 dst_format, Uint8 dst_channels, int dst_rate ); 76 Uint16 dst_format, Uint8 dst_channels, int dst_rate );
77 77
78 #endif /* _INCLUDE_AUDIO_CONVERT_H_ */ 78 #endif /* _INCLUDE_ALT_AUDIO_CONVERT_H_ */
79 79