Mercurial > foo_out_sdl

comparison foosdk/sdk/foobar2000/SDK/playback_control.cpp @ 1:20d02a178406 default tip

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*: check in everything else yay
author Paper <paper@tflc.us>
date Mon, 05 Jan 2026 02:15:46 -0500
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0:e9bb126753e7 1:20d02a178406
1 #include "foobar2000-sdk-pch.h"
2 #include "playback_control.h"
3 #include "titleformat.h"
4
5 static double parseFraction(const char * fraction) {
6 unsigned v = 0, d = 1;
7 while(pfc::char_is_numeric( *fraction) ) {
8 d *= 10;
9 v *= 10;
10 v += (unsigned) ( *fraction - '0' );
11 ++fraction;
12 }
13 PFC_ASSERT( *fraction == 0 );
14 return (double)v / (double)d;
15 }
16
17 static double parse_time(const char * time) {
18 unsigned vTotal = 0, vCur = 0;
19 for(;;) {
20 char c = *time++;
21 if (c == 0) return (double) (vTotal + vCur);
22 else if (pfc::char_is_numeric( c ) ) {
23 vCur = vCur * 10 + (unsigned)(c-'0');
24 } else if (c == ':') {
25 if (vCur >= 60) {PFC_ASSERT(!"Invalid input"); return 0; }
26 vTotal += vCur; vCur = 0; vTotal *= 60;
27 } else if (c == '.') {
28 return (double) (vTotal + vCur) + parseFraction(time);
29 } else {
30 PFC_ASSERT(!"Invalid input"); return 0;
31 }
32 }
33 }
34
35 double playback_control::playback_get_length()
36 {
37 double rv = 0;
38 metadb_handle_ptr ptr;
39 if (get_now_playing(ptr))
40 {
41 rv = ptr->get_length();
42 }
43 return rv;
44 }
45
46 double playback_control::playback_get_length_ex() {
47 double rv = 0;
48 metadb_handle_ptr ptr;
49 if (get_now_playing(ptr))
50 {
51 rv = ptr->get_length();
52 if (rv <= 0) {
53 pfc::string8 temp;
54 titleformat_object::ptr script;
55 titleformat_compiler::get()->compile_force(script, "[%length_ex%]");
56 this->playback_format_title(NULL, temp, script, NULL, display_level_titles);
57 if (temp.length() > 0) rv = parse_time(temp);
58 }
59 }
60 return rv;
61 }
62
63
64
65
66
67
68 void playback_control::userPrev() {
69 userActionHook();
70 if (this->is_playing() && this->playback_can_seek() && this->playback_get_position() > 5) {
71 this->playback_seek(0);
72 } else {
73 this->previous();
74 }
75 }
76
77 void playback_control::userNext() {
78 userActionHook();
79 this->start(track_command_next);
80 }
81
82 void playback_control::userMute() {
83 userActionHook();
84 this->volume_mute_toggle();
85 }
86
87 void playback_control::userStop() {
88 userActionHook();
89 this->stop();
90 }
91
92 void playback_control::userPlay() {
93 userActionHook();
94 this->play_or_pause();
95 }
96
97 void playback_control::userPause() {
98 userActionHook();
99 nonUserPause();
100 }
101
102 void playback_control::nonUserPause() {
103 if (this->is_playing()) {
104 this->pause(true);
105 }
106 }
107
108 void playback_control::userStart() {
109 userActionHook();
110 if (this->is_playing()) {
111 this->pause(false);
112 } else {
113 this->start();
114 }
115 }
116 static const double seekDelta = 30;
117 void playback_control::userFastForward() {
118 userActionHook();
119 if (!this->playback_can_seek()) {
120 this->userNext(); return;
121 }
122 this->playback_seek_delta(seekDelta);
123 }
124
125 void playback_control::userRewind() {
126 userActionHook();
127 if (!this->playback_can_seek()) {
128 this->userPrev(); return;
129 }
130 double p = this->playback_get_position();
131 if (p < 0) return;
132 if (p < seekDelta) {
133 if (p < seekDelta / 3) {
134 this->userPrev();
135 } else {
136 this->playback_seek(0);
137 }
138 } else {
139 this->playback_seek_delta(-30);
140 }
141 }