1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
*
* squishyball
*
* Copyright (C) 2010-2013 Xiph.Org
*
* squishyball is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* squishyball is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rtrecord; see the file COPYING. If not, write to the
* Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
*/
#ifndef _SB__H_
#define _SB__H_
#include <ao/ao.h>
#define MAXTRIALS 150
typedef struct pcm_struct pcm_t;
struct pcm_struct {
char *name;
int rate;
int currentbits; /* negative indicates float */
int nativebits; /* negative indicates float */
int ch;
char *matrix;
char *mix;
unsigned char *data;
off_t size;
};
extern int sb_verbose;
#define todB(x) ((x)==0?-400.f:log((x)*(x))*4.34294480f)
extern pcm_t *load_audio_file(char *path);
extern void free_pcm(pcm_t *pcm);
extern float check_warn_clipping(pcm_t *pcm, int no_normalize);
extern void convert_to_16(pcm_t *pcm, int dither);
extern void convert_to_24(pcm_t *pcm);
extern void convert_to_32(pcm_t *pcm);
extern float convert_to_mono(pcm_t *pcm);
extern float convert_to_stereo(pcm_t *pcm);
extern void normalize(pcm_t *pcm, float att);
extern void reconcile_channel_maps(pcm_t *A, pcm_t *B);
extern void put_val(unsigned char *d,int bps,float v);
extern float get_val(unsigned char *d, int bps);
extern int setup_windows(pcm_t **pcm, int test_files,
float **fw1, float **fw2, float **fw3,
float **b1, float **b2);
extern void fill_fragment1(unsigned char *out, pcm_t *pcm,
off_t start, off_t *pos, off_t end, int *loop,
int fragsamples, float *fw);
extern void fill_fragment2(unsigned char *out, pcm_t *pcm,
off_t start, off_t *pos, off_t end, int *loop,
int fragsamples, float *fw);
extern ao_device *setup_playback(int rate, int ch, int bits, char *matrix, char *device);
extern char *make_time_string(double s,int pad);
extern void panel_init(pcm_t **pcm, int test_files, int test_mode, double start, double end, double size,
int flip_mode,int repeat_mode,int trials,int gabba);
extern void panel_update_playing(int n);
extern void panel_update_start(double time);
extern void panel_update_current(double time);
extern void panel_update_end(double time);
extern void panel_update_repeat_mode(int mode);
extern void panel_update_flip_mode(int mode);
extern void panel_update_trials(char *trial_list, char *trial_correct, int n);
extern void panel_update_pause(int flag);
extern void panel_toggle_keymap(void);
extern double compute_psingle(int correct, int tests);
extern double compute_pdual(int count, int tests);
#endif
|
