unspeaker/tek
1
0
Fork 0
mirror of https://codeberg.org/unspeaker/tek.git synced 2025-12-07 12:16:42 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

sync midi by frames rather than useconds

Browse source
This commit is contained in:
🪞👃🪞 2024-07-05 20:44:31 +03:00
parent 63b5eb3740
commit b1e4ec3a88
4 changed files with 29 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

20
src/model/phrase.rs
View file

@ -44,12 +44,12 @@ impl Phrase {
output: &mut MIDIChunk,
notes_on: &mut Vec<bool>,
timebase: &Arc<Timebase>,
(usec0, usecs, _): (usize, usize, f64),
(frame0, frames, _): (usize, usize, f64),
) {
let start = timebase.usecs_frames(usec0 as f64);
let end = timebase.usecs_frames((usec0 + usecs) as f64);
let start = frame0;
let end = frame0 + frames;
let repeat = timebase.pulses_frames(self.length as f64);
let ticks = timebase.frames_to_ticks(start, end, repeat);
let ticks = timebase.frames_to_ticks(start as f64, end as f64, repeat);
//panic!("{start} {end} {repeat} {ticks:?}");
for (time, tick) in ticks.iter() {
if let Some(events) = self.notes.get(&(*tick as usize)) {
@ -84,11 +84,13 @@ impl Timebase {
//panic!("{start_frame} {end_frame} {fpt}");
let mut ticks = vec![];
let mut add_frame = |frame: f64|{
let jitter = frame.rem_euclid(fpt);
let last_jitter = (frame - 1.0).max(0.0) % fpt;
let next_jitter = frame + 1.0 % fpt;
if jitter <= last_jitter && jitter <= next_jitter {
ticks.push((frame as usize % (end as usize-start as usize), (frame / fpt) as usize));
let jitter = frame.rem_euclid(fpt); // ramps
let next_jitter = (frame + 1.0).rem_euclid(fpt);
if jitter > next_jitter { // at head of ramp crossing
ticks.push((
frame as usize % (end as usize-start as usize),
(frame / fpt) as usize)
);
};
};
if start_frame < end_frame {