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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
pub mod kfn_thread {
use std::time::Duration;
use rodio::Source;
use crate::{Kfn, helpers::event::Event};
impl Kfn {
pub fn play(&mut self) -> (crossbeam::channel::Sender<String>, crossbeam::channel::Receiver<Event>) {
// initialize channels for communicating
// between the player and the lib
let (sender_player, receiver_caller): (crossbeam::channel::Sender<Event>, crossbeam::channel::Receiver<Event>) = crossbeam::channel::unbounded();
let (sender_caller, receiver_player): (crossbeam::channel::Sender<String>, crossbeam::channel::Receiver<String>) = crossbeam::channel::unbounded();
// read audio file INTO MEMORY
let main_source_name = self.data.song.get_source_name();
let main_source: std::io::Cursor<Vec<u8>> = std::io::Cursor::new(self.data.get_entry_by_name(&main_source_name).unwrap().file_bin);
let secondary_source_name = self.data.song.get_secondary_source();
dbg!(&secondary_source_name);
//let secondary_source_name = &self.data.song.ini.get_from(Some("MP3Music"), "Track0").unwrap()[..key.len()-7];
let secondary_source: Option<std::io::Cursor<Vec<u8>>> = match secondary_source_name {
Some(filename) => {
// this is needed, because the line contains additional comma separated -1,0,1 values, which indicate,
// if the track is only guide vocal, replaces original, etc... which are not needed here
let filename_split: Vec<&str> = filename.split(',').collect();
Some(std::io::Cursor::new(self.data.get_entry_by_name(&filename_split[filename_split.len()-1]).unwrap().file_bin))
}
None => None
};
let replaces_track = self.data.song.replaces_track();
let bg_events = self.get_bg_events();
let text_events = self.get_texts_and_syncs();
std::thread::spawn(move || {
// create an output for the song/mp3
let (_stream, stream_handle) = rodio::OutputStream::try_default().unwrap();
// add it to the created output sink
// this starts playing asap
let mut main_sink = rodio::Sink::try_new(&stream_handle).unwrap();
let main_sink_decoder = rodio::Decoder::new(std::io::BufReader::new(main_source.clone())).unwrap();
//let skipped = main_sink_decoder.skip_duration(Duration::from_secs(5));
main_sink.append(main_sink_decoder.skip_duration(Duration::from_secs(0)));
let mut secondary_sink: Option<rodio::Sink> = match secondary_source {
Some(_) => Some(rodio::Sink::try_new(&stream_handle).unwrap()),
None => None,
};
match &secondary_sink {
Some(secondary_sink) => {
secondary_sink.append(rodio::Decoder::new(std::io::BufReader::new(secondary_source.clone().unwrap())).unwrap());
secondary_sink.set_volume(0.0);
},
None => (),
}
let mut start_time = std::time::Instant::now();
let mut offset = std::time::Duration::from_millis(0);
let mut bg_event_iterator = 0;
let mut volume: f32 = 1.0;
let mut volume_changed = false;
let mut on_vocal = false;
let text_event_iterator = 0;
//dbg!(&bg_events);
//dbg!(&text_events);
println!("Preloading text events...");
for event in &text_events {
sender_player.send(event.to_owned()).unwrap();
}
println!("Starting event loop...");
loop {
let main_sink_decoder2 = rodio::Decoder::new(std::io::BufReader::new(main_source.clone())).unwrap();
// these are the commands that can come
// form the graphical player
match receiver_player.try_recv() {
Ok(s) => {
match s.as_str() {
"STOP" => break,
"PAUSE" => {
println!("PAUSE signal received.");
offset = start_time.elapsed() + offset;
main_sink.pause();
match &secondary_sink {
Some(sink) => sink.pause(),
None => (), // do nothing
}
},
"RESUME" => {
println!("RESUME signal received.");
main_sink.play();
match &secondary_sink {
Some(sink) => sink.play(),
None => (), // do nothing
}
start_time = std::time::Instant::now();
},
"CH_TRACK" => {
println!("CH_TRACK signal received.");
match &secondary_sink {
Some(secondary_sink) => {
if on_vocal {
main_sink.set_volume(volume);
secondary_sink.set_volume(0.0);
on_vocal = false;
} else {
if replaces_track {
main_sink.set_volume(0.0);
}
secondary_sink.set_volume(volume);
on_vocal = true;
}
}
None => println!("No alternative track available."),
}
},
"VOL_UP" => {
println!("VOL_UP signal received.");
if volume < 1.0 {
volume += 0.1;
volume_changed = true;
}
},
"VOL_DOWN" => {
println!("VOL_DOWN signal received.");
if volume > 0.0 {
volume -= 0.1;
volume_changed = true;
}
},
"FW" => {
let mut volumes: [f32; 2] = [main_sink.volume(), 0.0];
offset += Duration::from_secs(5);
dbg!(offset);
main_sink.stop();
main_sink = rodio::Sink::try_new(&stream_handle).unwrap();
main_sink.append(main_sink_decoder2.skip_duration(start_time.elapsed() + offset));
main_sink.set_volume(volumes[0]);
if secondary_sink.is_some() {
if let Some(secondary_sink) = secondary_sink {
volumes[1] = secondary_sink.volume()
}
secondary_sink = Some(rodio::Sink::try_new(&stream_handle).unwrap());
let secondary_source = secondary_source.clone();
let secondary_sink_decoder2 = rodio::Decoder::new(std::io::BufReader::new(secondary_source.unwrap())).unwrap();
match &mut secondary_sink {
Some(secondary_sink) => {
secondary_sink.append(secondary_sink_decoder2.skip_duration(start_time.elapsed() + offset));
secondary_sink.set_volume(volumes[1]);
}
None => {}
}
}
dbg!(volumes);
}
"BW" => {
let mut volumes: [f32; 2] = [main_sink.volume(), 0.0];
offset -= Duration::from_secs(5);
dbg!(offset);
main_sink.stop();
main_sink = rodio::Sink::try_new(&stream_handle).unwrap();
main_sink.append(main_sink_decoder2.skip_duration(start_time.elapsed() + offset));
main_sink.set_volume(volumes[0]);
if secondary_sink.is_some() {
if let Some(secondary_sink) = secondary_sink {
volumes[1] = secondary_sink.volume()
}
secondary_sink = Some(rodio::Sink::try_new(&stream_handle).unwrap());
let secondary_source = secondary_source.clone();
let secondary_sink_decoder2 = rodio::Decoder::new(std::io::BufReader::new(secondary_source.unwrap())).unwrap();
match &mut secondary_sink {
Some(secondary_sink) => {
secondary_sink.append(secondary_sink_decoder2.skip_duration(start_time.elapsed() + offset));
secondary_sink.set_volume(volumes[1]);
}
None => {}
}
}
dbg!(volumes);
}
_ => (),
}
},
Err(_) => (),
}
if !main_sink.is_paused() {
if bg_events.len() > 0 && bg_events.len() > bg_event_iterator {
if (bg_events[bg_event_iterator].time * 10) as u128 <= (offset + start_time.elapsed()).as_millis() {
sender_player.send(bg_events[bg_event_iterator].clone()).unwrap();
println!("{} sent", bg_events[bg_event_iterator].time);
bg_event_iterator += 1;
}
}
// if text_events.len() > 0 && text_events.len() > text_event_iterator {
// if (text_events[text_event_iterator].time * 10) as u128 <= (offset + start_time.elapsed()).as_millis() {
// }
// }
}
if volume_changed {
if on_vocal && replaces_track{
if let Some(secondary_sink) = &secondary_sink {
secondary_sink.set_volume(volume);
}
} else if on_vocal {
if let Some(secondary_sink) = &secondary_sink {
secondary_sink.set_volume(volume);
}
} else {
main_sink.set_volume(volume)
}
volume_changed = false;
}
}
});
(sender_caller, receiver_caller)
}
}
}