tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2005 Ray Lambert
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21#ifndef _ABREPEAT_H_
22#define _ABREPEAT_H_
23#include <stdbool.h>
24
25#ifndef AB_REPEAT_ENABLE /* Dummy functions */
26static inline bool ab_repeat_mode_enabled(void)
27{
28 return false;
29}
30static inline bool ab_bool_dummy_marker(unsigned int song_position)
31{
32 (void) song_position;
33 return false;
34}
35static inline void ab_void_dummy_marker(unsigned int song_position)
36{
37 (void) song_position;
38}
39static inline void ab_dummy_voidfn(void){}
40
41#define ab_before_A_marker ab_bool_dummy_marker
42#define ab_after_A_marker ab_bool_dummy_marker
43#define ab_jump_to_A_marker ab_dummy_voidfn
44#define ab_reset_markers ab_dummy_voidfn
45#define ab_set_A_marker ab_void_dummy_marker
46#define ab_set_B_marker ab_void_dummy_marker
47#define ab_get_A_marker ab_bool_dummy_marker
48#define ab_get_B_marker ab_bool_dummy_marker
49#define ab_end_of_track_report ab_dummy_voidfn
50#define ab_reached_B_marker ab_bool_dummy_marker
51#define ab_position_report ab_void_dummy_marker
52
53#else /*def AB_REPEAT_ENABLE*/
54#include "audio.h"
55#include "kernel.h" /* needed for HZ */
56
57#define AB_MARKER_NONE 0
58
59#include "settings.h"
60
61bool ab_before_A_marker(unsigned int song_position);
62bool ab_after_A_marker(unsigned int song_position);
63void ab_jump_to_A_marker(void);
64void ab_reset_markers(void);
65void ab_set_A_marker(unsigned int song_position);
66void ab_set_B_marker(unsigned int song_position);
67/* These return whether the marker are actually set.
68 * The actual positions are returned via output parameter */
69bool ab_get_A_marker(unsigned int *song_position);
70bool ab_get_B_marker(unsigned int *song_position);
71void ab_end_of_track_report(void);
72
73/* These functions really need to be inlined for speed */
74extern unsigned int ab_A_marker;
75extern unsigned int ab_B_marker;
76
77static inline bool ab_repeat_mode_enabled(void)
78{
79 return global_settings.repeat_mode == REPEAT_AB;
80}
81
82static inline bool ab_reached_B_marker(unsigned int song_position)
83{
84/* following is the size of the window in which we'll detect that the B marker
85was hit; it must be larger than the frequency (in milliseconds) at which this
86function is called otherwise detection of the B marker will be unreliable */
87/* On swcodec, the worst case seems to be 9600kHz with 1024 samples between
88 * calls, meaning ~9 calls per second, look within 1/5 of a second */
89#define B_MARKER_DETECT_WINDOW 200
90 if (ab_B_marker != AB_MARKER_NONE)
91 {
92 if ( (song_position >= ab_B_marker)
93 && (song_position <= (ab_B_marker+B_MARKER_DETECT_WINDOW)) )
94 return true;
95 }
96 return false;
97}
98
99static inline void ab_position_report(unsigned long position)
100{
101 if (ab_repeat_mode_enabled())
102 {
103 if ( !(audio_status() & AUDIO_STATUS_PAUSE) &&
104 ab_reached_B_marker(position) )
105 {
106 ab_jump_to_A_marker();
107 }
108 }
109}
110
111#endif
112
113#endif /* _ABREPEAT_H_ */