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Diffstat (limited to 'apps/dsp.h')
-rw-r--r-- | apps/dsp.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/apps/dsp.h b/apps/dsp.h new file mode 100644 index 0000000000..65cd837c1e --- /dev/null +++ b/apps/dsp.h | |||
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1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2005 Miika Pekkarinen | ||
11 | * | ||
12 | * All files in this archive are subject to the GNU General Public License. | ||
13 | * See the file COPYING in the source tree root for full license agreement. | ||
14 | * | ||
15 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
16 | * KIND, either express or implied. | ||
17 | * | ||
18 | ****************************************************************************/ | ||
19 | |||
20 | #ifndef _DSP_H | ||
21 | #define _DSP_H | ||
22 | |||
23 | #include <stdlib.h> | ||
24 | #include <ctype.h> | ||
25 | #include <stdbool.h> | ||
26 | |||
27 | #define NATIVE_FREQUENCY 44100 | ||
28 | #define STEREO_INTERLEAVED 0 | ||
29 | #define STEREO_NONINTERLEAVED 1 | ||
30 | /* Not supported yet. */ | ||
31 | #define STEREO_MONO 2 | ||
32 | |||
33 | struct dsp_configuration { | ||
34 | long frequency; | ||
35 | long clip_min, clip_max; | ||
36 | int sample_depth; | ||
37 | bool dither_enabled; | ||
38 | int stereo_mode; | ||
39 | }; | ||
40 | |||
41 | extern struct dsp_configuration dsp_config; | ||
42 | |||
43 | int dsp_process(char *dest, char *src, int samplecount); | ||
44 | bool dsp_configure(int setting, void *value); | ||
45 | |||
46 | #endif | ||
47 | |||
48 | |||