mirror of
https://codeberg.org/unspeaker/tek.git
synced 2025-12-07 12:16:42 +01:00
refactor core::space
This commit is contained in:
parent
61ab472e32
commit
f1a8d9e846
15 changed files with 532 additions and 513 deletions
|
|
@ -1,10 +1,5 @@
|
|||
use crate::*;
|
||||
|
||||
/// Entry point for main loop
|
||||
pub trait App<T: Engine> {
|
||||
fn run (self, context: T) -> Usually<T>;
|
||||
}
|
||||
|
||||
/// Platform backend.
|
||||
pub trait Engine: Send + Sync + Sized {
|
||||
/// Input event type
|
||||
|
|
|
|||
|
|
@ -1,164 +1,7 @@
|
|||
use crate::*;
|
||||
|
||||
/// Standard numeric type.
|
||||
pub trait Coordinate: Send + Sync + Copy
|
||||
+ Add<Self, Output=Self>
|
||||
+ Sub<Self, Output=Self>
|
||||
+ Mul<Self, Output=Self>
|
||||
+ Div<Self, Output=Self>
|
||||
+ Ord + PartialEq + Eq
|
||||
+ Debug + Display + Default
|
||||
+ From<u16> + Into<u16>
|
||||
+ Into<usize>
|
||||
+ Into<f64>
|
||||
{
|
||||
fn minus (self, other: Self) -> Self {
|
||||
if self >= other {
|
||||
self - other
|
||||
} else {
|
||||
0.into()
|
||||
}
|
||||
}
|
||||
fn ZERO () -> Self {
|
||||
0.into()
|
||||
}
|
||||
}
|
||||
|
||||
impl<T> Coordinate for T where T: Send + Sync + Copy
|
||||
+ Add<Self, Output=Self>
|
||||
+ Sub<Self, Output=Self>
|
||||
+ Mul<Self, Output=Self>
|
||||
+ Div<Self, Output=Self>
|
||||
+ Ord + PartialEq + Eq
|
||||
+ Debug + Display + Default
|
||||
+ From<u16> + Into<u16>
|
||||
+ Into<usize>
|
||||
+ Into<f64>
|
||||
{}
|
||||
pub(crate) mod coord; pub(crate) use coord::*;
|
||||
pub(crate) mod size; pub(crate) use size::*;
|
||||
pub(crate) mod area; pub(crate) use area::*;
|
||||
pub(crate) mod direction; pub(crate) use direction::*;
|
||||
|
||||
// TODO: return impl Point and impl Size instead of [N;x]
|
||||
// to disambiguate between usage of 2-"tuple"s
|
||||
|
||||
pub trait Size<N: Coordinate> {
|
||||
fn x (&self) -> N;
|
||||
fn y (&self) -> N;
|
||||
#[inline] fn w (&self) -> N { self.x() }
|
||||
#[inline] fn h (&self) -> N { self.y() }
|
||||
#[inline] fn wh (&self) -> [N;2] { [self.x(), self.y()] }
|
||||
#[inline] fn clip_w (&self, w: N) -> [N;2] { [self.w().min(w.into()), self.h()] }
|
||||
#[inline] fn clip_h (&self, h: N) -> [N;2] { [self.w(), self.h().min(h.into())] }
|
||||
#[inline] fn expect_min (&self, w: N, h: N) -> Usually<&Self> {
|
||||
if self.w() < w || self.h() < h {
|
||||
Err(format!("min {w}x{h}").into())
|
||||
} else {
|
||||
Ok(self)
|
||||
}
|
||||
}
|
||||
}
|
||||
impl<N: Coordinate> Size<N> for (N, N) {
|
||||
fn x (&self) -> N { self.0 }
|
||||
fn y (&self) -> N { self.1 }
|
||||
}
|
||||
impl<N: Coordinate> Size<N> for [N;2] {
|
||||
fn x (&self) -> N { self[0] }
|
||||
fn y (&self) -> N { self[1] }
|
||||
}
|
||||
|
||||
pub trait Area<N: Coordinate>: Copy {
|
||||
fn x (&self) -> N;
|
||||
fn y (&self) -> N;
|
||||
fn w (&self) -> N;
|
||||
fn h (&self) -> N;
|
||||
fn x2 (&self) -> N { self.x() + self.w() }
|
||||
fn y2 (&self) -> N { self.y() + self.h() }
|
||||
#[inline] fn wh (&self) -> [N;2] { [self.w(), self.h()] }
|
||||
#[inline] fn xywh (&self) -> [N;4] { [self.x(), self.y(), self.w(), self.h()] }
|
||||
#[inline] fn lrtb (&self) -> [N;4] { [self.x(), self.x2(), self.y(), self.y2()] }
|
||||
#[inline] fn push_x (&self, x: N) -> [N;4] { [self.x() + x, self.y(), self.w(), self.h()] }
|
||||
#[inline] fn push_y (&self, y: N) -> [N;4] { [self.x(), self.y() + y, self.w(), self.h()] }
|
||||
#[inline] fn shrink_x (&self, x: N) -> [N;4] {
|
||||
[self.x(), self.y(), self.w().minus(x), self.h()]
|
||||
}
|
||||
#[inline] fn shrink_y (&self, y: N) -> [N;4] {
|
||||
[self.x(), self.y(), self.w(), self.h().minus(y)]
|
||||
}
|
||||
#[inline] fn set_w (&self, w: N) -> [N;4] { [self.x(), self.y(), w, self.h()] }
|
||||
#[inline] fn set_h (&self, h: N) -> [N;4] { [self.x(), self.y(), self.w(), h] }
|
||||
#[inline] fn clip_h (&self, h: N) -> [N;4] {
|
||||
[self.x(), self.y(), self.w(), self.h().min(h.into())]
|
||||
}
|
||||
#[inline] fn clip_w (&self, w: N) -> [N;4] {
|
||||
[self.x(), self.y(), self.w().min(w.into()), self.h()]
|
||||
}
|
||||
#[inline] fn clip (&self, wh: impl Size<N>) -> [N;4] {
|
||||
[self.x(), self.y(), wh.w(), wh.h()]
|
||||
}
|
||||
#[inline] fn expect_min (&self, w: N, h: N) -> Usually<&Self> {
|
||||
if self.w() < w || self.h() < h {
|
||||
Err(format!("min {w}x{h}").into())
|
||||
} else {
|
||||
Ok(self)
|
||||
}
|
||||
}
|
||||
#[inline] fn split_fixed (&self, direction: Direction, a: N) -> ([N;4],[N;4]) {
|
||||
match direction {
|
||||
Direction::Up => (
|
||||
[self.x(), (self.y()+self.h()).minus(a), self.w(), a],
|
||||
[self.x(), self.y(), self.w(), self.h().minus(a)],
|
||||
),
|
||||
Direction::Down => (
|
||||
[self.x(), self.y(), self.w(), a],
|
||||
[self.x(), self.y() + a, self.w(), self.h().minus(a)],
|
||||
),
|
||||
Direction::Right => (
|
||||
[self.x(), self.y(), a, self.h()],
|
||||
[self.x() + a, self.y(), self.w().minus(a), self.h()],
|
||||
),
|
||||
Direction::Left => (
|
||||
[self.x() + self.w() - a, self.y(), a, self.h()],
|
||||
[self.x(), self.y(), self.w() - a, self.h()],
|
||||
),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<N: Coordinate> Area<N> for (N, N, N, N) {
|
||||
#[inline] fn x (&self) -> N { self.0 }
|
||||
#[inline] fn y (&self) -> N { self.1 }
|
||||
#[inline] fn w (&self) -> N { self.2 }
|
||||
#[inline] fn h (&self) -> N { self.3 }
|
||||
}
|
||||
|
||||
impl<N: Coordinate> Area<N> for [N;4] {
|
||||
#[inline] fn x (&self) -> N { self[0] }
|
||||
#[inline] fn y (&self) -> N { self[1] }
|
||||
#[inline] fn w (&self) -> N { self[2] }
|
||||
#[inline] fn h (&self) -> N { self[3] }
|
||||
}
|
||||
|
||||
#[derive(Copy, Clone, PartialEq)]
|
||||
pub enum Direction { Up, Down, Left, Right, }
|
||||
impl Direction {
|
||||
pub fn is_up (&self) -> bool { match self { Self::Up => true, _ => false } }
|
||||
pub fn is_down (&self) -> bool { match self { Self::Down => true, _ => false } }
|
||||
pub fn is_left (&self) -> bool { match self { Self::Left => true, _ => false } }
|
||||
pub fn is_right (&self) -> bool { match self { Self::Right => true, _ => false } }
|
||||
/// Return next direction clockwise
|
||||
pub fn cw (&self) -> Self {
|
||||
match self {
|
||||
Self::Up => Self::Right,
|
||||
Self::Down => Self::Left,
|
||||
Self::Left => Self::Up,
|
||||
Self::Right => Self::Down,
|
||||
}
|
||||
}
|
||||
/// Return next direction counterclockwise
|
||||
pub fn ccw (&self) -> Self {
|
||||
match self {
|
||||
Self::Up => Self::Left,
|
||||
Self::Down => Self::Right,
|
||||
Self::Left => Self::Down,
|
||||
Self::Right => Self::Up,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
73
crates/tek/src/space/area.rs
Normal file
73
crates/tek/src/space/area.rs
Normal file
|
|
@ -0,0 +1,73 @@
|
|||
use crate::*;
|
||||
|
||||
pub trait Area<N: Coordinate>: Copy {
|
||||
fn x (&self) -> N;
|
||||
fn y (&self) -> N;
|
||||
fn w (&self) -> N;
|
||||
fn h (&self) -> N;
|
||||
fn x2 (&self) -> N { self.x() + self.w() }
|
||||
fn y2 (&self) -> N { self.y() + self.h() }
|
||||
#[inline] fn wh (&self) -> [N;2] { [self.w(), self.h()] }
|
||||
#[inline] fn xywh (&self) -> [N;4] { [self.x(), self.y(), self.w(), self.h()] }
|
||||
#[inline] fn lrtb (&self) -> [N;4] { [self.x(), self.x2(), self.y(), self.y2()] }
|
||||
#[inline] fn push_x (&self, x: N) -> [N;4] { [self.x() + x, self.y(), self.w(), self.h()] }
|
||||
#[inline] fn push_y (&self, y: N) -> [N;4] { [self.x(), self.y() + y, self.w(), self.h()] }
|
||||
#[inline] fn shrink_x (&self, x: N) -> [N;4] {
|
||||
[self.x(), self.y(), self.w().minus(x), self.h()]
|
||||
}
|
||||
#[inline] fn shrink_y (&self, y: N) -> [N;4] {
|
||||
[self.x(), self.y(), self.w(), self.h().minus(y)]
|
||||
}
|
||||
#[inline] fn set_w (&self, w: N) -> [N;4] { [self.x(), self.y(), w, self.h()] }
|
||||
#[inline] fn set_h (&self, h: N) -> [N;4] { [self.x(), self.y(), self.w(), h] }
|
||||
#[inline] fn clip_h (&self, h: N) -> [N;4] {
|
||||
[self.x(), self.y(), self.w(), self.h().min(h.into())]
|
||||
}
|
||||
#[inline] fn clip_w (&self, w: N) -> [N;4] {
|
||||
[self.x(), self.y(), self.w().min(w.into()), self.h()]
|
||||
}
|
||||
#[inline] fn clip (&self, wh: impl Size<N>) -> [N;4] {
|
||||
[self.x(), self.y(), wh.w(), wh.h()]
|
||||
}
|
||||
#[inline] fn expect_min (&self, w: N, h: N) -> Usually<&Self> {
|
||||
if self.w() < w || self.h() < h {
|
||||
Err(format!("min {w}x{h}").into())
|
||||
} else {
|
||||
Ok(self)
|
||||
}
|
||||
}
|
||||
#[inline] fn split_fixed (&self, direction: Direction, a: N) -> ([N;4],[N;4]) {
|
||||
match direction {
|
||||
Direction::Up => (
|
||||
[self.x(), (self.y()+self.h()).minus(a), self.w(), a],
|
||||
[self.x(), self.y(), self.w(), self.h().minus(a)],
|
||||
),
|
||||
Direction::Down => (
|
||||
[self.x(), self.y(), self.w(), a],
|
||||
[self.x(), self.y() + a, self.w(), self.h().minus(a)],
|
||||
),
|
||||
Direction::Right => (
|
||||
[self.x(), self.y(), a, self.h()],
|
||||
[self.x() + a, self.y(), self.w().minus(a), self.h()],
|
||||
),
|
||||
Direction::Left => (
|
||||
[self.x() + self.w() - a, self.y(), a, self.h()],
|
||||
[self.x(), self.y(), self.w() - a, self.h()],
|
||||
),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<N: Coordinate> Area<N> for (N, N, N, N) {
|
||||
#[inline] fn x (&self) -> N { self.0 }
|
||||
#[inline] fn y (&self) -> N { self.1 }
|
||||
#[inline] fn w (&self) -> N { self.2 }
|
||||
#[inline] fn h (&self) -> N { self.3 }
|
||||
}
|
||||
|
||||
impl<N: Coordinate> Area<N> for [N;4] {
|
||||
#[inline] fn x (&self) -> N { self[0] }
|
||||
#[inline] fn y (&self) -> N { self[1] }
|
||||
#[inline] fn w (&self) -> N { self[2] }
|
||||
#[inline] fn h (&self) -> N { self[3] }
|
||||
}
|
||||
37
crates/tek/src/space/coord.rs
Normal file
37
crates/tek/src/space/coord.rs
Normal file
|
|
@ -0,0 +1,37 @@
|
|||
use crate::*;
|
||||
|
||||
/// Standard numeric type.
|
||||
pub trait Coordinate: Send + Sync + Copy
|
||||
+ Add<Self, Output=Self>
|
||||
+ Sub<Self, Output=Self>
|
||||
+ Mul<Self, Output=Self>
|
||||
+ Div<Self, Output=Self>
|
||||
+ Ord + PartialEq + Eq
|
||||
+ Debug + Display + Default
|
||||
+ From<u16> + Into<u16>
|
||||
+ Into<usize>
|
||||
+ Into<f64>
|
||||
{
|
||||
fn minus (self, other: Self) -> Self {
|
||||
if self >= other {
|
||||
self - other
|
||||
} else {
|
||||
0.into()
|
||||
}
|
||||
}
|
||||
fn ZERO () -> Self {
|
||||
0.into()
|
||||
}
|
||||
}
|
||||
|
||||
impl<T> Coordinate for T where T: Send + Sync + Copy
|
||||
+ Add<Self, Output=Self>
|
||||
+ Sub<Self, Output=Self>
|
||||
+ Mul<Self, Output=Self>
|
||||
+ Div<Self, Output=Self>
|
||||
+ Ord + PartialEq + Eq
|
||||
+ Debug + Display + Default
|
||||
+ From<u16> + Into<u16>
|
||||
+ Into<usize>
|
||||
+ Into<f64>
|
||||
{}
|
||||
28
crates/tek/src/space/direction.rs
Normal file
28
crates/tek/src/space/direction.rs
Normal file
|
|
@ -0,0 +1,28 @@
|
|||
use crate::*;
|
||||
|
||||
#[derive(Copy, Clone, PartialEq)]
|
||||
pub enum Direction { Up, Down, Left, Right, }
|
||||
impl Direction {
|
||||
pub fn is_up (&self) -> bool { match self { Self::Up => true, _ => false } }
|
||||
pub fn is_down (&self) -> bool { match self { Self::Down => true, _ => false } }
|
||||
pub fn is_left (&self) -> bool { match self { Self::Left => true, _ => false } }
|
||||
pub fn is_right (&self) -> bool { match self { Self::Right => true, _ => false } }
|
||||
/// Return next direction clockwise
|
||||
pub fn cw (&self) -> Self {
|
||||
match self {
|
||||
Self::Up => Self::Right,
|
||||
Self::Down => Self::Left,
|
||||
Self::Left => Self::Up,
|
||||
Self::Right => Self::Down,
|
||||
}
|
||||
}
|
||||
/// Return next direction counterclockwise
|
||||
pub fn ccw (&self) -> Self {
|
||||
match self {
|
||||
Self::Up => Self::Left,
|
||||
Self::Down => Self::Right,
|
||||
Self::Left => Self::Down,
|
||||
Self::Right => Self::Up,
|
||||
}
|
||||
}
|
||||
}
|
||||
26
crates/tek/src/space/size.rs
Normal file
26
crates/tek/src/space/size.rs
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
use crate::*;
|
||||
|
||||
pub trait Size<N: Coordinate> {
|
||||
fn x (&self) -> N;
|
||||
fn y (&self) -> N;
|
||||
#[inline] fn w (&self) -> N { self.x() }
|
||||
#[inline] fn h (&self) -> N { self.y() }
|
||||
#[inline] fn wh (&self) -> [N;2] { [self.x(), self.y()] }
|
||||
#[inline] fn clip_w (&self, w: N) -> [N;2] { [self.w().min(w.into()), self.h()] }
|
||||
#[inline] fn clip_h (&self, h: N) -> [N;2] { [self.w(), self.h().min(h.into())] }
|
||||
#[inline] fn expect_min (&self, w: N, h: N) -> Usually<&Self> {
|
||||
if self.w() < w || self.h() < h {
|
||||
Err(format!("min {w}x{h}").into())
|
||||
} else {
|
||||
Ok(self)
|
||||
}
|
||||
}
|
||||
}
|
||||
impl<N: Coordinate> Size<N> for (N, N) {
|
||||
fn x (&self) -> N { self.0 }
|
||||
fn y (&self) -> N { self.1 }
|
||||
}
|
||||
impl<N: Coordinate> Size<N> for [N;2] {
|
||||
fn x (&self) -> N { self[0] }
|
||||
fn y (&self) -> N { self[1] }
|
||||
}
|
||||
|
|
@ -1,350 +1,13 @@
|
|||
pub(crate) mod perf; pub(crate) use perf::*;
|
||||
pub(crate) mod clock; pub(crate) use clock::*;
|
||||
pub(crate) use self::clock::ClockCommand;
|
||||
|
||||
use crate::*;
|
||||
use std::iter::Iterator;
|
||||
|
||||
pub const DEFAULT_PPQ: f64 = 96.0;
|
||||
/// FIXME: remove this and use PPQ from timebase everywhere:
|
||||
pub const PPQ: usize = 96;
|
||||
|
||||
/// A unit of time, represented as an atomic 64-bit float.
|
||||
///
|
||||
/// According to https://stackoverflow.com/a/873367, as per IEEE754,
|
||||
/// every integer between 1 and 2^53 can be represented exactly.
|
||||
/// This should mean that, even at 192kHz sampling rate, over 1 year of audio
|
||||
/// can be clocked in microseconds with f64 without losing precision.
|
||||
pub trait TimeUnit {
|
||||
/// Returns current value
|
||||
fn get (&self) -> f64;
|
||||
/// Sets new value, returns old
|
||||
fn set (&self, value: f64) -> f64;
|
||||
}
|
||||
/// Implement arithmetic for a unit of time
|
||||
macro_rules! impl_op {
|
||||
($T:ident, $Op:ident, $method:ident, |$a:ident,$b:ident|{$impl:expr}) => {
|
||||
impl $Op<Self> for $T {
|
||||
type Output = Self; #[inline] fn $method (self, other: Self) -> Self::Output {
|
||||
let $a = self.get(); let $b = other.get(); Self($impl.into())
|
||||
}
|
||||
}
|
||||
impl $Op<usize> for $T {
|
||||
type Output = Self; #[inline] fn $method (self, other: usize) -> Self::Output {
|
||||
let $a = self.get(); let $b = other as f64; Self($impl.into())
|
||||
}
|
||||
}
|
||||
impl $Op<f64> for $T {
|
||||
type Output = Self; #[inline] fn $method (self, other: f64) -> Self::Output {
|
||||
let $a = self.get(); let $b = other; Self($impl.into())
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
/// Define and implement a unit of time
|
||||
macro_rules! impl_time_unit {
|
||||
($T:ident) => {
|
||||
impl TimeUnit for $T {
|
||||
fn get (&self) -> f64 { self.0.load(Ordering::Relaxed) }
|
||||
fn set (&self, value: f64) -> f64 {
|
||||
let old = self.get();
|
||||
self.0.store(value, Ordering::Relaxed);
|
||||
old
|
||||
}
|
||||
}
|
||||
impl_op!($T, Add, add, |a, b|{a + b});
|
||||
impl_op!($T, Sub, sub, |a, b|{a - b});
|
||||
impl_op!($T, Mul, mul, |a, b|{a * b});
|
||||
impl_op!($T, Div, div, |a, b|{a / b});
|
||||
impl_op!($T, Rem, rem, |a, b|{a % b});
|
||||
impl From<f64> for $T { fn from (value: f64) -> Self { Self(value.into()) } }
|
||||
impl From<usize> for $T { fn from (value: usize) -> Self { Self((value as f64).into()) } }
|
||||
impl Into<f64> for $T { fn into (self) -> f64 { self.get() } }
|
||||
impl Into<usize> for $T { fn into (self) -> usize { self.get() as usize } }
|
||||
impl Into<f64> for &$T { fn into (self) -> f64 { self.get() } }
|
||||
impl Into<usize> for &$T { fn into (self) -> usize { self.get() as usize } }
|
||||
impl Clone for $T { fn clone (&self) -> Self { Self(self.get().into()) } }
|
||||
}
|
||||
}
|
||||
|
||||
/// Audio sample rate in Hz (samples per second)
|
||||
#[derive(Debug, Default)] pub struct SampleRate(AtomicF64);
|
||||
impl_time_unit!(SampleRate);
|
||||
impl SampleRate {
|
||||
/// Return the duration of a sample in microseconds (floating)
|
||||
#[inline] pub fn usec_per_sample (&self) -> f64 {
|
||||
1_000_000f64 / self.get()
|
||||
}
|
||||
/// Return the duration of a sample in microseconds (floating)
|
||||
#[inline] pub fn sample_per_usec (&self) -> f64 {
|
||||
self.get() / 1_000_000f64
|
||||
}
|
||||
/// Convert a number of samples to microseconds (floating)
|
||||
#[inline] pub fn samples_to_usec (&self, samples: f64) -> f64 {
|
||||
self.usec_per_sample() * samples
|
||||
}
|
||||
/// Convert a number of microseconds to samples (floating)
|
||||
#[inline] pub fn usecs_to_sample (&self, usecs: f64) -> f64 {
|
||||
self.sample_per_usec() * usecs
|
||||
}
|
||||
}
|
||||
|
||||
/// Tempo in beats per minute
|
||||
#[derive(Debug, Default)] pub struct BeatsPerMinute(AtomicF64);
|
||||
impl_time_unit!(BeatsPerMinute);
|
||||
|
||||
/// MIDI resolution in PPQ (pulses per quarter note)
|
||||
#[derive(Debug, Default)] pub struct PulsesPerQuaver(AtomicF64);
|
||||
impl_time_unit!(PulsesPerQuaver);
|
||||
|
||||
/// Timestamp in microseconds
|
||||
#[derive(Debug, Default)] pub struct Microsecond(AtomicF64);
|
||||
impl_time_unit!(Microsecond);
|
||||
impl Microsecond {
|
||||
#[inline] pub fn format_msu (&self) -> String {
|
||||
let usecs = self.get() as usize;
|
||||
let (seconds, msecs) = (usecs / 1000000, usecs / 1000 % 1000);
|
||||
let (minutes, seconds) = (seconds / 60, seconds % 60);
|
||||
format!("{minutes}:{seconds:02}:{msecs:03}")
|
||||
}
|
||||
}
|
||||
|
||||
/// Timestamp in audio samples
|
||||
#[derive(Debug, Default)] pub struct SampleCount(AtomicF64);
|
||||
impl_time_unit!(SampleCount);
|
||||
|
||||
/// Timestamp in MIDI pulses
|
||||
#[derive(Debug, Default)] pub struct Pulse(AtomicF64);
|
||||
impl_time_unit!(Pulse);
|
||||
|
||||
/// Quantization setting for launching clips
|
||||
#[derive(Debug, Default)] pub struct LaunchSync(AtomicF64);
|
||||
impl_time_unit!(LaunchSync);
|
||||
impl LaunchSync {
|
||||
pub fn next (&self) -> f64 {
|
||||
next_note_length(self.get() as usize) as f64
|
||||
}
|
||||
pub fn prev (&self) -> f64 {
|
||||
prev_note_length(self.get() as usize) as f64
|
||||
}
|
||||
}
|
||||
|
||||
/// Quantization setting for notes
|
||||
#[derive(Debug, Default)] pub struct Quantize(AtomicF64);
|
||||
impl_time_unit!(Quantize);
|
||||
impl Quantize {
|
||||
pub fn next (&self) -> f64 {
|
||||
next_note_length(self.get() as usize) as f64
|
||||
}
|
||||
pub fn prev (&self) -> f64 {
|
||||
prev_note_length(self.get() as usize) as f64
|
||||
}
|
||||
}
|
||||
|
||||
/// Temporal resolutions: sample rate, tempo, MIDI pulses per quaver (beat)
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct Timebase {
|
||||
/// Audio samples per second
|
||||
pub sr: SampleRate,
|
||||
/// MIDI beats per minute
|
||||
pub bpm: BeatsPerMinute,
|
||||
/// MIDI ticks per beat
|
||||
pub ppq: PulsesPerQuaver,
|
||||
}
|
||||
impl Timebase {
|
||||
/// Specify sample rate, BPM and PPQ
|
||||
pub fn new (
|
||||
s: impl Into<SampleRate>,
|
||||
b: impl Into<BeatsPerMinute>,
|
||||
p: impl Into<PulsesPerQuaver>
|
||||
) -> Self {
|
||||
Self { sr: s.into(), bpm: b.into(), ppq: p.into() }
|
||||
}
|
||||
/// Iterate over ticks between start and end.
|
||||
#[inline] pub fn pulses_between_samples (&self, start: usize, end: usize) -> TicksIterator {
|
||||
TicksIterator { spp: self.samples_per_pulse(), sample: start, start, end }
|
||||
}
|
||||
/// Return the duration fo a beat in microseconds
|
||||
#[inline] pub fn usec_per_beat (&self) -> f64 { 60_000_000f64 / self.bpm.get() }
|
||||
/// Return the number of beats in a second
|
||||
#[inline] pub fn beat_per_second (&self) -> f64 { self.bpm.get() / 60f64 }
|
||||
/// Return the number of microseconds corresponding to a note of the given duration
|
||||
#[inline] pub fn note_to_usec (&self, (num, den): (f64, f64)) -> f64 {
|
||||
4.0 * self.usec_per_beat() * num / den
|
||||
}
|
||||
/// Return duration of a pulse in microseconds (BPM-dependent)
|
||||
#[inline] pub fn pulse_per_usec (&self) -> f64 { self.ppq.get() / self.usec_per_beat() }
|
||||
/// Return duration of a pulse in microseconds (BPM-dependent)
|
||||
#[inline] pub fn usec_per_pulse (&self) -> f64 { self.usec_per_beat() / self.ppq.get() }
|
||||
/// Return number of pulses to which a number of microseconds corresponds (BPM-dependent)
|
||||
#[inline] pub fn usecs_to_pulse (&self, usec: f64) -> f64 { usec * self.pulse_per_usec() }
|
||||
/// Convert a number of pulses to a sample number (SR- and BPM-dependent)
|
||||
#[inline] pub fn pulses_to_usec (&self, pulse: f64) -> f64 { pulse / self.usec_per_pulse() }
|
||||
/// Return number of pulses in a second (BPM-dependent)
|
||||
#[inline] pub fn pulses_per_second (&self) -> f64 { self.beat_per_second() * self.ppq.get() }
|
||||
/// Return fraction of a pulse to which a sample corresponds (SR- and BPM-dependent)
|
||||
#[inline] pub fn pulses_per_sample (&self) -> f64 {
|
||||
self.usec_per_pulse() / self.sr.usec_per_sample()
|
||||
}
|
||||
/// Return number of samples in a pulse (SR- and BPM-dependent)
|
||||
#[inline] pub fn samples_per_pulse (&self) -> f64 {
|
||||
self.sr.get() / self.pulses_per_second()
|
||||
}
|
||||
/// Convert a number of pulses to a sample number (SR- and BPM-dependent)
|
||||
#[inline] pub fn pulses_to_sample (&self, p: f64) -> f64 {
|
||||
self.pulses_per_sample() * p
|
||||
}
|
||||
/// Convert a number of samples to a pulse number (SR- and BPM-dependent)
|
||||
#[inline] pub fn samples_to_pulse (&self, s: f64) -> f64 {
|
||||
s / self.pulses_per_sample()
|
||||
}
|
||||
/// Return the number of samples corresponding to a note of the given duration
|
||||
#[inline] pub fn note_to_samples (&self, note: (f64, f64)) -> f64 {
|
||||
self.usec_to_sample(self.note_to_usec(note))
|
||||
}
|
||||
/// Return the number of samples corresponding to the given number of microseconds
|
||||
#[inline] pub fn usec_to_sample (&self, usec: f64) -> f64 {
|
||||
usec * self.sr.get() / 1000f64
|
||||
}
|
||||
/// Return the quantized position of a moment in time given a step
|
||||
#[inline] pub fn quantize (&self, step: (f64, f64), time: f64) -> (f64, f64) {
|
||||
let step = self.note_to_usec(step);
|
||||
(time / step, time % step)
|
||||
}
|
||||
/// Quantize a collection of events
|
||||
#[inline] pub fn quantize_into <E: Iterator<Item=(f64, f64)> + Sized, T> (
|
||||
&self, step: (f64, f64), events: E
|
||||
) -> Vec<(f64, f64)> {
|
||||
events.map(|(time, event)|(self.quantize(step, time).0, event)).collect()
|
||||
}
|
||||
/// Format a number of pulses into Beat.Bar.Pulse starting from 0
|
||||
#[inline] pub fn format_beats_0 (&self, pulse: f64) -> String {
|
||||
let pulse = pulse as usize;
|
||||
let ppq = self.ppq.get() as usize;
|
||||
let (beats, pulses) = if ppq > 0 { (pulse / ppq, pulse % ppq) } else { (0, 0) };
|
||||
format!("{}.{}.{pulses:02}", beats / 4, beats % 4)
|
||||
}
|
||||
/// Format a number of pulses into Beat.Bar starting from 0
|
||||
#[inline] pub fn format_beats_0_short (&self, pulse: f64) -> String {
|
||||
let pulse = pulse as usize;
|
||||
let ppq = self.ppq.get() as usize;
|
||||
let beats = if ppq > 0 { pulse / ppq } else { 0 };
|
||||
format!("{}.{}", beats / 4, beats % 4)
|
||||
}
|
||||
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
|
||||
#[inline] pub fn format_beats_1 (&self, pulse: f64) -> String {
|
||||
let pulse = pulse as usize;
|
||||
let ppq = self.ppq.get() as usize;
|
||||
let (beats, pulses) = if ppq > 0 { (pulse / ppq, pulse % ppq) } else { (0, 0) };
|
||||
format!("{}.{}.{pulses:02}", beats / 4 + 1, beats % 4 + 1)
|
||||
}
|
||||
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
|
||||
#[inline] pub fn format_beats_1_short (&self, pulse: f64) -> String {
|
||||
let pulse = pulse as usize;
|
||||
let ppq = self.ppq.get() as usize;
|
||||
let beats = if ppq > 0 { pulse / ppq } else { 0 };
|
||||
format!("{}.{}", beats / 4 + 1, beats % 4 + 1)
|
||||
}
|
||||
}
|
||||
impl Default for Timebase {
|
||||
fn default () -> Self { Self::new(48000f64, 150f64, DEFAULT_PPQ) }
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum Moment2 {
|
||||
None,
|
||||
Zero,
|
||||
Usec(Microsecond),
|
||||
Sample(SampleCount),
|
||||
Pulse(Pulse),
|
||||
}
|
||||
|
||||
/// A point in time in all time scales (microsecond, sample, MIDI pulse)
|
||||
#[derive(Debug, Default, Clone)]
|
||||
pub struct Moment {
|
||||
pub timebase: Arc<Timebase>,
|
||||
/// Current time in microseconds
|
||||
pub usec: Microsecond,
|
||||
/// Current time in audio samples
|
||||
pub sample: SampleCount,
|
||||
/// Current time in MIDI pulses
|
||||
pub pulse: Pulse,
|
||||
}
|
||||
impl Moment {
|
||||
pub fn zero (timebase: &Arc<Timebase>) -> Self {
|
||||
Self { usec: 0.into(), sample: 0.into(), pulse: 0.into(), timebase: timebase.clone() }
|
||||
}
|
||||
pub fn from_usec (timebase: &Arc<Timebase>, usec: f64) -> Self {
|
||||
Self {
|
||||
usec: usec.into(),
|
||||
sample: timebase.sr.usecs_to_sample(usec).into(),
|
||||
pulse: timebase.usecs_to_pulse(usec).into(),
|
||||
timebase: timebase.clone(),
|
||||
}
|
||||
}
|
||||
pub fn from_sample (timebase: &Arc<Timebase>, sample: f64) -> Self {
|
||||
Self {
|
||||
sample: sample.into(),
|
||||
usec: timebase.sr.samples_to_usec(sample).into(),
|
||||
pulse: timebase.samples_to_pulse(sample).into(),
|
||||
timebase: timebase.clone(),
|
||||
}
|
||||
}
|
||||
pub fn from_pulse (timebase: &Arc<Timebase>, pulse: f64) -> Self {
|
||||
Self {
|
||||
pulse: pulse.into(),
|
||||
sample: timebase.pulses_to_sample(pulse).into(),
|
||||
usec: timebase.pulses_to_usec(pulse).into(),
|
||||
timebase: timebase.clone(),
|
||||
}
|
||||
}
|
||||
#[inline] pub fn update_from_usec (&self, usec: f64) {
|
||||
self.usec.set(usec);
|
||||
self.pulse.set(self.timebase.usecs_to_pulse(usec));
|
||||
self.sample.set(self.timebase.sr.usecs_to_sample(usec));
|
||||
}
|
||||
#[inline] pub fn update_from_sample (&self, sample: f64) {
|
||||
self.usec.set(self.timebase.sr.samples_to_usec(sample));
|
||||
self.pulse.set(self.timebase.samples_to_pulse(sample));
|
||||
self.sample.set(sample);
|
||||
}
|
||||
#[inline] pub fn update_from_pulse (&self, pulse: f64) {
|
||||
self.usec.set(self.timebase.pulses_to_usec(pulse));
|
||||
self.pulse.set(pulse);
|
||||
self.sample.set(self.timebase.pulses_to_sample(pulse));
|
||||
}
|
||||
#[inline] pub fn format_beat (&self) -> String {
|
||||
self.timebase.format_beats_1(self.pulse.get())
|
||||
}
|
||||
}
|
||||
/// Iterator that emits subsequent ticks within a range.
|
||||
pub struct TicksIterator {
|
||||
spp: f64,
|
||||
sample: usize,
|
||||
start: usize,
|
||||
end: usize,
|
||||
}
|
||||
impl Iterator for TicksIterator {
|
||||
type Item = (usize, usize);
|
||||
fn next (&mut self) -> Option<Self::Item> {
|
||||
loop {
|
||||
if self.sample > self.end { return None }
|
||||
let spp = self.spp;
|
||||
let sample = self.sample as f64;
|
||||
let start = self.start;
|
||||
let end = self.end;
|
||||
self.sample += 1;
|
||||
//println!("{spp} {sample} {start} {end}");
|
||||
let jitter = sample.rem_euclid(spp); // ramps
|
||||
let next_jitter = (sample + 1.0).rem_euclid(spp);
|
||||
if jitter > next_jitter { // at crossing:
|
||||
let time = (sample as usize) % (end as usize-start as usize);
|
||||
let tick = (sample / spp) as usize;
|
||||
return Some((time, tick))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
pub(crate) mod bpm; pub(crate) use bpm::*;
|
||||
pub(crate) mod clock; pub(crate) use clock::*;
|
||||
pub(crate) mod moment; pub(crate) use moment::*;
|
||||
pub(crate) mod perf; pub(crate) use perf::*;
|
||||
pub(crate) mod ppq; pub(crate) use ppq::*;
|
||||
pub(crate) mod quant; pub(crate) use quant::*;
|
||||
pub(crate) mod sr; pub(crate) use sr::*;
|
||||
pub(crate) mod timebase; pub(crate) use timebase::*;
|
||||
pub(crate) mod unit; pub(crate) use unit::*;
|
||||
pub(crate) mod usec; pub(crate) use usec::*;
|
||||
|
||||
/// (pulses, name), assuming 96 PPQ
|
||||
pub const NOTE_DURATIONS: [(usize, &str);26] = [
|
||||
|
|
|
|||
5
crates/tek/src/time/bpm.rs
Normal file
5
crates/tek/src/time/bpm.rs
Normal file
|
|
@ -0,0 +1,5 @@
|
|||
use crate::*;
|
||||
|
||||
/// Tempo in beats per minute
|
||||
#[derive(Debug, Default)] pub struct BeatsPerMinute(AtomicF64);
|
||||
impl_time_unit!(BeatsPerMinute);
|
||||
69
crates/tek/src/time/moment.rs
Normal file
69
crates/tek/src/time/moment.rs
Normal file
|
|
@ -0,0 +1,69 @@
|
|||
use crate::*;
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
pub enum Moment2 {
|
||||
None,
|
||||
Zero,
|
||||
Usec(Microsecond),
|
||||
Sample(SampleCount),
|
||||
Pulse(Pulse),
|
||||
}
|
||||
|
||||
/// A point in time in all time scales (microsecond, sample, MIDI pulse)
|
||||
#[derive(Debug, Default, Clone)]
|
||||
pub struct Moment {
|
||||
pub timebase: Arc<Timebase>,
|
||||
/// Current time in microseconds
|
||||
pub usec: Microsecond,
|
||||
/// Current time in audio samples
|
||||
pub sample: SampleCount,
|
||||
/// Current time in MIDI pulses
|
||||
pub pulse: Pulse,
|
||||
}
|
||||
impl Moment {
|
||||
pub fn zero (timebase: &Arc<Timebase>) -> Self {
|
||||
Self { usec: 0.into(), sample: 0.into(), pulse: 0.into(), timebase: timebase.clone() }
|
||||
}
|
||||
pub fn from_usec (timebase: &Arc<Timebase>, usec: f64) -> Self {
|
||||
Self {
|
||||
usec: usec.into(),
|
||||
sample: timebase.sr.usecs_to_sample(usec).into(),
|
||||
pulse: timebase.usecs_to_pulse(usec).into(),
|
||||
timebase: timebase.clone(),
|
||||
}
|
||||
}
|
||||
pub fn from_sample (timebase: &Arc<Timebase>, sample: f64) -> Self {
|
||||
Self {
|
||||
sample: sample.into(),
|
||||
usec: timebase.sr.samples_to_usec(sample).into(),
|
||||
pulse: timebase.samples_to_pulse(sample).into(),
|
||||
timebase: timebase.clone(),
|
||||
}
|
||||
}
|
||||
pub fn from_pulse (timebase: &Arc<Timebase>, pulse: f64) -> Self {
|
||||
Self {
|
||||
pulse: pulse.into(),
|
||||
sample: timebase.pulses_to_sample(pulse).into(),
|
||||
usec: timebase.pulses_to_usec(pulse).into(),
|
||||
timebase: timebase.clone(),
|
||||
}
|
||||
}
|
||||
#[inline] pub fn update_from_usec (&self, usec: f64) {
|
||||
self.usec.set(usec);
|
||||
self.pulse.set(self.timebase.usecs_to_pulse(usec));
|
||||
self.sample.set(self.timebase.sr.usecs_to_sample(usec));
|
||||
}
|
||||
#[inline] pub fn update_from_sample (&self, sample: f64) {
|
||||
self.usec.set(self.timebase.sr.samples_to_usec(sample));
|
||||
self.pulse.set(self.timebase.samples_to_pulse(sample));
|
||||
self.sample.set(sample);
|
||||
}
|
||||
#[inline] pub fn update_from_pulse (&self, pulse: f64) {
|
||||
self.usec.set(self.timebase.pulses_to_usec(pulse));
|
||||
self.pulse.set(pulse);
|
||||
self.sample.set(self.timebase.pulses_to_sample(pulse));
|
||||
}
|
||||
#[inline] pub fn format_beat (&self) -> String {
|
||||
self.timebase.format_beats_1(self.pulse.get())
|
||||
}
|
||||
}
|
||||
42
crates/tek/src/time/ppq.rs
Normal file
42
crates/tek/src/time/ppq.rs
Normal file
|
|
@ -0,0 +1,42 @@
|
|||
use crate::*;
|
||||
|
||||
pub const DEFAULT_PPQ: f64 = 96.0;
|
||||
/// FIXME: remove this and use PPQ from timebase everywhere:
|
||||
pub const PPQ: usize = 96;
|
||||
|
||||
/// MIDI resolution in PPQ (pulses per quarter note)
|
||||
#[derive(Debug, Default)] pub struct PulsesPerQuaver(AtomicF64);
|
||||
impl_time_unit!(PulsesPerQuaver);
|
||||
|
||||
/// Timestamp in MIDI pulses
|
||||
#[derive(Debug, Default)] pub struct Pulse(AtomicF64);
|
||||
impl_time_unit!(Pulse);
|
||||
|
||||
/// Iterator that emits subsequent ticks within a range.
|
||||
pub struct TicksIterator {
|
||||
pub spp: f64,
|
||||
pub sample: usize,
|
||||
pub start: usize,
|
||||
pub end: usize,
|
||||
}
|
||||
impl Iterator for TicksIterator {
|
||||
type Item = (usize, usize);
|
||||
fn next (&mut self) -> Option<Self::Item> {
|
||||
loop {
|
||||
if self.sample > self.end { return None }
|
||||
let spp = self.spp;
|
||||
let sample = self.sample as f64;
|
||||
let start = self.start;
|
||||
let end = self.end;
|
||||
self.sample += 1;
|
||||
//println!("{spp} {sample} {start} {end}");
|
||||
let jitter = sample.rem_euclid(spp); // ramps
|
||||
let next_jitter = (sample + 1.0).rem_euclid(spp);
|
||||
if jitter > next_jitter { // at crossing:
|
||||
let time = (sample as usize) % (end as usize-start as usize);
|
||||
let tick = (sample / spp) as usize;
|
||||
return Some((time, tick))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
25
crates/tek/src/time/quant.rs
Normal file
25
crates/tek/src/time/quant.rs
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
use crate::*;
|
||||
|
||||
/// Quantization setting for launching clips
|
||||
#[derive(Debug, Default)] pub struct LaunchSync(AtomicF64);
|
||||
impl_time_unit!(LaunchSync);
|
||||
impl LaunchSync {
|
||||
pub fn next (&self) -> f64 {
|
||||
next_note_length(self.get() as usize) as f64
|
||||
}
|
||||
pub fn prev (&self) -> f64 {
|
||||
prev_note_length(self.get() as usize) as f64
|
||||
}
|
||||
}
|
||||
|
||||
/// Quantization setting for notes
|
||||
#[derive(Debug, Default)] pub struct Quantize(AtomicF64);
|
||||
impl_time_unit!(Quantize);
|
||||
impl Quantize {
|
||||
pub fn next (&self) -> f64 {
|
||||
next_note_length(self.get() as usize) as f64
|
||||
}
|
||||
pub fn prev (&self) -> f64 {
|
||||
prev_note_length(self.get() as usize) as f64
|
||||
}
|
||||
}
|
||||
27
crates/tek/src/time/sr.rs
Normal file
27
crates/tek/src/time/sr.rs
Normal file
|
|
@ -0,0 +1,27 @@
|
|||
use crate::*;
|
||||
|
||||
/// Audio sample rate in Hz (samples per second)
|
||||
#[derive(Debug, Default)] pub struct SampleRate(AtomicF64);
|
||||
impl_time_unit!(SampleRate);
|
||||
impl SampleRate {
|
||||
/// Return the duration of a sample in microseconds (floating)
|
||||
#[inline] pub fn usec_per_sample (&self) -> f64 {
|
||||
1_000_000f64 / self.get()
|
||||
}
|
||||
/// Return the duration of a sample in microseconds (floating)
|
||||
#[inline] pub fn sample_per_usec (&self) -> f64 {
|
||||
self.get() / 1_000_000f64
|
||||
}
|
||||
/// Convert a number of samples to microseconds (floating)
|
||||
#[inline] pub fn samples_to_usec (&self, samples: f64) -> f64 {
|
||||
self.usec_per_sample() * samples
|
||||
}
|
||||
/// Convert a number of microseconds to samples (floating)
|
||||
#[inline] pub fn usecs_to_sample (&self, usecs: f64) -> f64 {
|
||||
self.sample_per_usec() * usecs
|
||||
}
|
||||
}
|
||||
|
||||
/// Timestamp in audio samples
|
||||
#[derive(Debug, Default)] pub struct SampleCount(AtomicF64);
|
||||
impl_time_unit!(SampleCount);
|
||||
112
crates/tek/src/time/timebase.rs
Normal file
112
crates/tek/src/time/timebase.rs
Normal file
|
|
@ -0,0 +1,112 @@
|
|||
use crate::*;
|
||||
|
||||
/// Temporal resolutions: sample rate, tempo, MIDI pulses per quaver (beat)
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct Timebase {
|
||||
/// Audio samples per second
|
||||
pub sr: SampleRate,
|
||||
/// MIDI beats per minute
|
||||
pub bpm: BeatsPerMinute,
|
||||
/// MIDI ticks per beat
|
||||
pub ppq: PulsesPerQuaver,
|
||||
}
|
||||
|
||||
impl Timebase {
|
||||
/// Specify sample rate, BPM and PPQ
|
||||
pub fn new (
|
||||
s: impl Into<SampleRate>,
|
||||
b: impl Into<BeatsPerMinute>,
|
||||
p: impl Into<PulsesPerQuaver>
|
||||
) -> Self {
|
||||
Self { sr: s.into(), bpm: b.into(), ppq: p.into() }
|
||||
}
|
||||
/// Iterate over ticks between start and end.
|
||||
#[inline] pub fn pulses_between_samples (&self, start: usize, end: usize) -> TicksIterator {
|
||||
TicksIterator { spp: self.samples_per_pulse(), sample: start, start, end }
|
||||
}
|
||||
/// Return the duration fo a beat in microseconds
|
||||
#[inline] pub fn usec_per_beat (&self) -> f64 { 60_000_000f64 / self.bpm.get() }
|
||||
/// Return the number of beats in a second
|
||||
#[inline] pub fn beat_per_second (&self) -> f64 { self.bpm.get() / 60f64 }
|
||||
/// Return the number of microseconds corresponding to a note of the given duration
|
||||
#[inline] pub fn note_to_usec (&self, (num, den): (f64, f64)) -> f64 {
|
||||
4.0 * self.usec_per_beat() * num / den
|
||||
}
|
||||
/// Return duration of a pulse in microseconds (BPM-dependent)
|
||||
#[inline] pub fn pulse_per_usec (&self) -> f64 { self.ppq.get() / self.usec_per_beat() }
|
||||
/// Return duration of a pulse in microseconds (BPM-dependent)
|
||||
#[inline] pub fn usec_per_pulse (&self) -> f64 { self.usec_per_beat() / self.ppq.get() }
|
||||
/// Return number of pulses to which a number of microseconds corresponds (BPM-dependent)
|
||||
#[inline] pub fn usecs_to_pulse (&self, usec: f64) -> f64 { usec * self.pulse_per_usec() }
|
||||
/// Convert a number of pulses to a sample number (SR- and BPM-dependent)
|
||||
#[inline] pub fn pulses_to_usec (&self, pulse: f64) -> f64 { pulse / self.usec_per_pulse() }
|
||||
/// Return number of pulses in a second (BPM-dependent)
|
||||
#[inline] pub fn pulses_per_second (&self) -> f64 { self.beat_per_second() * self.ppq.get() }
|
||||
/// Return fraction of a pulse to which a sample corresponds (SR- and BPM-dependent)
|
||||
#[inline] pub fn pulses_per_sample (&self) -> f64 {
|
||||
self.usec_per_pulse() / self.sr.usec_per_sample()
|
||||
}
|
||||
/// Return number of samples in a pulse (SR- and BPM-dependent)
|
||||
#[inline] pub fn samples_per_pulse (&self) -> f64 {
|
||||
self.sr.get() / self.pulses_per_second()
|
||||
}
|
||||
/// Convert a number of pulses to a sample number (SR- and BPM-dependent)
|
||||
#[inline] pub fn pulses_to_sample (&self, p: f64) -> f64 {
|
||||
self.pulses_per_sample() * p
|
||||
}
|
||||
/// Convert a number of samples to a pulse number (SR- and BPM-dependent)
|
||||
#[inline] pub fn samples_to_pulse (&self, s: f64) -> f64 {
|
||||
s / self.pulses_per_sample()
|
||||
}
|
||||
/// Return the number of samples corresponding to a note of the given duration
|
||||
#[inline] pub fn note_to_samples (&self, note: (f64, f64)) -> f64 {
|
||||
self.usec_to_sample(self.note_to_usec(note))
|
||||
}
|
||||
/// Return the number of samples corresponding to the given number of microseconds
|
||||
#[inline] pub fn usec_to_sample (&self, usec: f64) -> f64 {
|
||||
usec * self.sr.get() / 1000f64
|
||||
}
|
||||
/// Return the quantized position of a moment in time given a step
|
||||
#[inline] pub fn quantize (&self, step: (f64, f64), time: f64) -> (f64, f64) {
|
||||
let step = self.note_to_usec(step);
|
||||
(time / step, time % step)
|
||||
}
|
||||
/// Quantize a collection of events
|
||||
#[inline] pub fn quantize_into <E: Iterator<Item=(f64, f64)> + Sized, T> (
|
||||
&self, step: (f64, f64), events: E
|
||||
) -> Vec<(f64, f64)> {
|
||||
events.map(|(time, event)|(self.quantize(step, time).0, event)).collect()
|
||||
}
|
||||
/// Format a number of pulses into Beat.Bar.Pulse starting from 0
|
||||
#[inline] pub fn format_beats_0 (&self, pulse: f64) -> String {
|
||||
let pulse = pulse as usize;
|
||||
let ppq = self.ppq.get() as usize;
|
||||
let (beats, pulses) = if ppq > 0 { (pulse / ppq, pulse % ppq) } else { (0, 0) };
|
||||
format!("{}.{}.{pulses:02}", beats / 4, beats % 4)
|
||||
}
|
||||
/// Format a number of pulses into Beat.Bar starting from 0
|
||||
#[inline] pub fn format_beats_0_short (&self, pulse: f64) -> String {
|
||||
let pulse = pulse as usize;
|
||||
let ppq = self.ppq.get() as usize;
|
||||
let beats = if ppq > 0 { pulse / ppq } else { 0 };
|
||||
format!("{}.{}", beats / 4, beats % 4)
|
||||
}
|
||||
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
|
||||
#[inline] pub fn format_beats_1 (&self, pulse: f64) -> String {
|
||||
let pulse = pulse as usize;
|
||||
let ppq = self.ppq.get() as usize;
|
||||
let (beats, pulses) = if ppq > 0 { (pulse / ppq, pulse % ppq) } else { (0, 0) };
|
||||
format!("{}.{}.{pulses:02}", beats / 4 + 1, beats % 4 + 1)
|
||||
}
|
||||
/// Format a number of pulses into Beat.Bar.Pulse starting from 1
|
||||
#[inline] pub fn format_beats_1_short (&self, pulse: f64) -> String {
|
||||
let pulse = pulse as usize;
|
||||
let ppq = self.ppq.get() as usize;
|
||||
let beats = if ppq > 0 { pulse / ppq } else { 0 };
|
||||
format!("{}.{}", beats / 4 + 1, beats % 4 + 1)
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for Timebase {
|
||||
fn default () -> Self { Self::new(48000f64, 150f64, DEFAULT_PPQ) }
|
||||
}
|
||||
61
crates/tek/src/time/unit.rs
Normal file
61
crates/tek/src/time/unit.rs
Normal file
|
|
@ -0,0 +1,61 @@
|
|||
use crate::*;
|
||||
|
||||
/// A unit of time, represented as an atomic 64-bit float.
|
||||
///
|
||||
/// According to https://stackoverflow.com/a/873367, as per IEEE754,
|
||||
/// every integer between 1 and 2^53 can be represented exactly.
|
||||
/// This should mean that, even at 192kHz sampling rate, over 1 year of audio
|
||||
/// can be clocked in microseconds with f64 without losing precision.
|
||||
pub trait TimeUnit {
|
||||
/// Returns current value
|
||||
fn get (&self) -> f64;
|
||||
/// Sets new value, returns old
|
||||
fn set (&self, value: f64) -> f64;
|
||||
}
|
||||
|
||||
/// Implement arithmetic for a unit of time
|
||||
#[macro_export] macro_rules! impl_op {
|
||||
($T:ident, $Op:ident, $method:ident, |$a:ident,$b:ident|{$impl:expr}) => {
|
||||
impl $Op<Self> for $T {
|
||||
type Output = Self; #[inline] fn $method (self, other: Self) -> Self::Output {
|
||||
let $a = self.get(); let $b = other.get(); Self($impl.into())
|
||||
}
|
||||
}
|
||||
impl $Op<usize> for $T {
|
||||
type Output = Self; #[inline] fn $method (self, other: usize) -> Self::Output {
|
||||
let $a = self.get(); let $b = other as f64; Self($impl.into())
|
||||
}
|
||||
}
|
||||
impl $Op<f64> for $T {
|
||||
type Output = Self; #[inline] fn $method (self, other: f64) -> Self::Output {
|
||||
let $a = self.get(); let $b = other; Self($impl.into())
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Define and implement a unit of time
|
||||
#[macro_export] macro_rules! impl_time_unit {
|
||||
($T:ident) => {
|
||||
impl TimeUnit for $T {
|
||||
fn get (&self) -> f64 { self.0.load(Ordering::Relaxed) }
|
||||
fn set (&self, value: f64) -> f64 {
|
||||
let old = self.get();
|
||||
self.0.store(value, Ordering::Relaxed);
|
||||
old
|
||||
}
|
||||
}
|
||||
impl_op!($T, Add, add, |a, b|{a + b});
|
||||
impl_op!($T, Sub, sub, |a, b|{a - b});
|
||||
impl_op!($T, Mul, mul, |a, b|{a * b});
|
||||
impl_op!($T, Div, div, |a, b|{a / b});
|
||||
impl_op!($T, Rem, rem, |a, b|{a % b});
|
||||
impl From<f64> for $T { fn from (value: f64) -> Self { Self(value.into()) } }
|
||||
impl From<usize> for $T { fn from (value: usize) -> Self { Self((value as f64).into()) } }
|
||||
impl Into<f64> for $T { fn into (self) -> f64 { self.get() } }
|
||||
impl Into<usize> for $T { fn into (self) -> usize { self.get() as usize } }
|
||||
impl Into<f64> for &$T { fn into (self) -> f64 { self.get() } }
|
||||
impl Into<usize> for &$T { fn into (self) -> usize { self.get() as usize } }
|
||||
impl Clone for $T { fn clone (&self) -> Self { Self(self.get().into()) } }
|
||||
}
|
||||
}
|
||||
13
crates/tek/src/time/usec.rs
Normal file
13
crates/tek/src/time/usec.rs
Normal file
|
|
@ -0,0 +1,13 @@
|
|||
use crate::*;
|
||||
|
||||
/// Timestamp in microseconds
|
||||
#[derive(Debug, Default)] pub struct Microsecond(AtomicF64);
|
||||
impl_time_unit!(Microsecond);
|
||||
impl Microsecond {
|
||||
#[inline] pub fn format_msu (&self) -> String {
|
||||
let usecs = self.get() as usize;
|
||||
let (seconds, msecs) = (usecs / 1000000, usecs / 1000 % 1000);
|
||||
let (minutes, seconds) = (seconds / 60, seconds % 60);
|
||||
format!("{minutes}:{seconds:02}:{msecs:03}")
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue