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transport -> clock
This commit is contained in:
parent
7f57465b3a
commit
7a4fa1692b
15 changed files with 37 additions and 36 deletions
149
src/clock/clock_tui.rs
Normal file
149
src/clock/clock_tui.rs
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@ -0,0 +1,149 @@
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use crate::*;
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use ClockCommand::{Play, Pause, SetBpm, SetQuant, SetSync};
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use FocusCommand::{Next, Prev};
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use KeyCode::{Enter, Left, Right, Char};
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/// Transport clock app.
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pub struct TransportTui {
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pub jack: Arc<RwLock<JackConnection>>,
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pub clock: Clock,
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pub size: Measure<Tui>,
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pub cursor: (usize, usize),
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pub color: ItemPalette,
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}
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from_jack!(|jack|TransportTui Self {
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jack: jack.clone(),
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clock: Clock::from(jack),
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size: Measure::new(),
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cursor: (0, 0),
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color: ItemPalette::random(),
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});
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has_clock!(|self: TransportTui|&self.clock);
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audio!(|self: TransportTui, client, scope|ClockAudio(self).process(client, scope));
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handle!(<Tui>|self: TransportTui, from|TransportCommand::execute_with_state(self, from));
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render!(Tui: (self: TransportTui) => TransportView(&self.clock));
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pub struct TransportView<'a>(pub &'a Clock);
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render!(Tui: (self: TransportView<'a>) => row!(
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BeatStats::new(self.0), " ",
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PlayPause(self.0.is_rolling()), " ",
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OutputStats::new(self.0),
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));
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pub struct PlayPause(pub bool);
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render!(Tui: (self: PlayPause) => Tui::bg(
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if self.0{Color::Rgb(0,128,0)}else{Color::Rgb(128,64,0)},
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Fixed::x(5, Tui::either(self.0,
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Tui::fg(Color::Rgb(0, 255, 0), Bsp::s(" 🭍🭑🬽 ", " 🭞🭜🭘 ",)),
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Tui::fg(Color::Rgb(255, 128, 0), Bsp::s(" ▗▄▖ ", " ▝▀▘ ",))))));
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impl std::fmt::Debug for TransportTui {
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fn fmt (&self, f: &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error> {
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f.debug_struct("TransportTui")
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.field("jack", &self.jack)
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.field("size", &self.size)
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.field("cursor", &self.cursor)
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.finish()
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}
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}
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pub struct BeatStats { bpm: String, beat: String, time: String, }
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impl BeatStats {
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fn new (clock: &Clock) -> Self {
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let (beat, time) = clock.started.read().unwrap().as_ref().map(|started|{
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let current_usec = clock.global.usec.get() - started.usec.get();
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(
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clock.timebase.format_beats_1(clock.timebase.usecs_to_pulse(current_usec)),
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format!("{:.3}s", current_usec/1000000.)
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)
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}).unwrap_or_else(||("-.-.--".to_string(), "-.---s".to_string()));
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Self { bpm: format!("{:.3}", clock.timebase.bpm.get()), beat, time }
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}
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}
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render!(Tui: (self: BeatStats) => col!(
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Bsp::e(&self.bpm, " BPM"), Bsp::e("Beat ", &self.beat), Bsp::e("Time ", &self.time),
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));
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pub struct OutputStats { sample_rate: String, buffer_size: String, latency: String, }
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impl OutputStats {
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fn new (clock: &Clock) -> Self {
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let rate = clock.timebase.sr.get();
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let chunk = clock.chunk.load(Relaxed);
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Self {
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sample_rate: format!("{:.1}Hz", rate),
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buffer_size: format!("{chunk}"),
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latency: format!("{}", chunk as f64 / rate * 1000.),
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}
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}
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}
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render!(Tui: (self: OutputStats) => col!(
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Bsp::e(format!("{}", self.sample_rate), " sample rate"),
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Bsp::e(format!("{}", self.buffer_size), " sample buffer"),
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Bsp::e(format!("{:.3}ms", self.latency), " latency"),
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));
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#[derive(Clone, Debug, PartialEq)]
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pub enum TransportCommand {
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Clock(ClockCommand),
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}
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command!(|self:TransportCommand,state:TransportTui|match self {
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//Self::Focus(cmd) => cmd.execute(state)?.map(Self::Focus),
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Self::Clock(cmd) => cmd.execute(state)?.map(Self::Clock),
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_ => unreachable!(),
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});
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impl InputToCommand<Tui, TransportTui> for TransportCommand {
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fn input_to_command (state: &TransportTui, input: &TuiIn) -> Option<Self> {
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use TransportCommand::*;
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Some(match input.event() {
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key_pat!(Char(' ')) => Clock(if state.clock().is_stopped() {
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Play(None)
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} else {
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Pause(None)
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}),
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key_pat!(Shift-Char(' ')) => Clock(if state.clock().is_stopped() {
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Play(Some(0))
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} else {
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Pause(Some(0))
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}),
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_ => return None
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})
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}
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}
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fn to_bpm_command (input: &TuiIn, bpm: f64) -> Option<TransportCommand> {
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use TransportCommand::*;
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Some(match input.event() {
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key_pat!(Char(',')) => Clock(SetBpm(bpm - 1.0)),
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key_pat!(Char('.')) => Clock(SetBpm(bpm + 1.0)),
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key_pat!(Char('<')) => Clock(SetBpm(bpm - 0.001)),
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key_pat!(Char('>')) => Clock(SetBpm(bpm + 0.001)),
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_ => return None,
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})
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}
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fn to_quant_command (input: &TuiIn, quant: &Quantize) -> Option<TransportCommand> {
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use TransportCommand::*;
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Some(match input.event() {
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key_pat!(Char(',')) => Clock(SetQuant(quant.prev())),
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key_pat!(Char('.')) => Clock(SetQuant(quant.next())),
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key_pat!(Char('<')) => Clock(SetQuant(quant.prev())),
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key_pat!(Char('>')) => Clock(SetQuant(quant.next())),
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_ => return None,
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})
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}
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fn to_sync_command (input: &TuiIn, sync: &LaunchSync) -> Option<TransportCommand> {
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use TransportCommand::*;
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Some(match input.event() {
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key_pat!(Char(',')) => Clock(SetSync(sync.prev())),
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key_pat!(Char('.')) => Clock(SetSync(sync.next())),
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key_pat!(Char('<')) => Clock(SetSync(sync.prev())),
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key_pat!(Char('>')) => Clock(SetSync(sync.next())),
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_ => return None,
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})
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}
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fn to_seek_command (input: &TuiIn) -> Option<TransportCommand> {
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use TransportCommand::*;
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Some(match input.event() {
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key_pat!(Char(',')) => todo!("transport seek bar"),
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key_pat!(Char('.')) => todo!("transport seek bar"),
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key_pat!(Char('<')) => todo!("transport seek beat"),
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key_pat!(Char('>')) => todo!("transport seek beat"),
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_ => return None,
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})
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}
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15
src/clock/microsecond.rs
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15
src/clock/microsecond.rs
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@ -0,0 +1,15 @@
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use crate::*;
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/// Timestamp in microseconds
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#[derive(Debug, Default)] pub struct Microsecond(AtomicF64);
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impl_time_unit!(Microsecond);
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impl Microsecond {
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#[inline] pub fn format_msu (&self) -> String {
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let usecs = self.get() as usize;
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let (seconds, msecs) = (usecs / 1000000, usecs / 1000 % 1000);
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let (minutes, seconds) = (seconds / 60, seconds % 60);
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format!("{minutes}:{seconds:02}:{msecs:03}")
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}
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}
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70
src/clock/moment.rs
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70
src/clock/moment.rs
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@ -0,0 +1,70 @@
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use crate::*;
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#[derive(Debug, Clone)]
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pub enum Moment2 {
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None,
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Zero,
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Usec(Microsecond),
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Sample(SampleCount),
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Pulse(Pulse),
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}
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/// A point in time in all time scales (microsecond, sample, MIDI pulse)
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#[derive(Debug, Default, Clone)]
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pub struct Moment {
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pub timebase: Arc<Timebase>,
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/// Current time in microseconds
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pub usec: Microsecond,
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/// Current time in audio samples
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pub sample: SampleCount,
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/// Current time in MIDI pulses
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pub pulse: Pulse,
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}
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impl Moment {
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pub fn zero (timebase: &Arc<Timebase>) -> Self {
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Self { usec: 0.into(), sample: 0.into(), pulse: 0.into(), timebase: timebase.clone() }
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}
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pub fn from_usec (timebase: &Arc<Timebase>, usec: f64) -> Self {
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Self {
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usec: usec.into(),
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sample: timebase.sr.usecs_to_sample(usec).into(),
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pulse: timebase.usecs_to_pulse(usec).into(),
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timebase: timebase.clone(),
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}
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}
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pub fn from_sample (timebase: &Arc<Timebase>, sample: f64) -> Self {
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Self {
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sample: sample.into(),
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usec: timebase.sr.samples_to_usec(sample).into(),
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pulse: timebase.samples_to_pulse(sample).into(),
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timebase: timebase.clone(),
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}
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}
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pub fn from_pulse (timebase: &Arc<Timebase>, pulse: f64) -> Self {
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Self {
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pulse: pulse.into(),
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sample: timebase.pulses_to_sample(pulse).into(),
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usec: timebase.pulses_to_usec(pulse).into(),
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timebase: timebase.clone(),
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}
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}
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#[inline] pub fn update_from_usec (&self, usec: f64) {
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self.usec.set(usec);
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self.pulse.set(self.timebase.usecs_to_pulse(usec));
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self.sample.set(self.timebase.sr.usecs_to_sample(usec));
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}
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#[inline] pub fn update_from_sample (&self, sample: f64) {
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self.usec.set(self.timebase.sr.samples_to_usec(sample));
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self.pulse.set(self.timebase.samples_to_pulse(sample));
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self.sample.set(sample);
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}
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#[inline] pub fn update_from_pulse (&self, pulse: f64) {
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self.usec.set(self.timebase.pulses_to_usec(pulse));
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self.pulse.set(pulse);
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self.sample.set(self.timebase.pulses_to_sample(pulse));
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}
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#[inline] pub fn format_beat (&self) -> String {
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self.timebase.format_beats_1(self.pulse.get())
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}
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}
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58
src/clock/perf.rs
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58
src/clock/perf.rs
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@ -0,0 +1,58 @@
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use crate::*;
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/// Performance counter
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pub struct PerfModel {
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pub enabled: bool,
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clock: quanta::Clock,
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// In nanoseconds
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used: AtomicF64,
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// In microseconds
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period: AtomicF64,
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}
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pub trait HasPerf {
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fn perf (&self) -> &PerfModel;
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}
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impl Default for PerfModel {
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fn default () -> Self {
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Self {
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enabled: true,
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clock: quanta::Clock::new(),
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used: Default::default(),
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period: Default::default(),
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}
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}
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}
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impl PerfModel {
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pub fn get_t0 (&self) -> Option<u64> {
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if self.enabled {
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Some(self.clock.raw())
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} else {
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None
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}
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}
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pub fn update (&self, t0: Option<u64>, scope: &ProcessScope) {
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if let Some(t0) = t0 {
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let t1 = self.clock.raw();
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self.used.store(
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self.clock.delta_as_nanos(t0, t1) as f64,
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Relaxed,
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);
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self.period.store(
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scope.cycle_times().unwrap().period_usecs as f64,
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Relaxed,
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);
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}
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}
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pub fn percentage (&self) -> Option<f64> {
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let period = self.period.load(Relaxed) * 1000.0;
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if period > 0.0 {
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let used = self.used.load(Relaxed);
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Some(100.0 * used / period)
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} else {
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None
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}
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}
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}
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71
src/clock/pulse.rs
Normal file
71
src/clock/pulse.rs
Normal file
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@ -0,0 +1,71 @@
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use crate::*;
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pub const DEFAULT_PPQ: f64 = 96.0;
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/// FIXME: remove this and use PPQ from timebase everywhere:
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pub const PPQ: usize = 96;
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/// MIDI resolution in PPQ (pulses per quarter note)
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#[derive(Debug, Default)] pub struct PulsesPerQuaver(AtomicF64);
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impl_time_unit!(PulsesPerQuaver);
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/// Timestamp in MIDI pulses
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#[derive(Debug, Default)] pub struct Pulse(AtomicF64);
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impl_time_unit!(Pulse);
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/// Tempo in beats per minute
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#[derive(Debug, Default)] pub struct BeatsPerMinute(AtomicF64);
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impl_time_unit!(BeatsPerMinute);
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/// Quantization setting for launching clips
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#[derive(Debug, Default)] pub struct LaunchSync(AtomicF64);
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impl_time_unit!(LaunchSync);
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impl LaunchSync {
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pub fn next (&self) -> f64 {
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Note::next(self.get() as usize) as f64
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}
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pub fn prev (&self) -> f64 {
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Note::prev(self.get() as usize) as f64
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}
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}
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/// Quantization setting for notes
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#[derive(Debug, Default)] pub struct Quantize(AtomicF64);
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impl_time_unit!(Quantize);
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impl Quantize {
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pub fn next (&self) -> f64 {
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Note::next(self.get() as usize) as f64
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}
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pub fn prev (&self) -> f64 {
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Note::prev(self.get() as usize) as f64
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}
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}
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/// Iterator that emits subsequent ticks within a range.
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pub struct TicksIterator {
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pub spp: f64,
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pub sample: usize,
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pub start: usize,
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pub end: usize,
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}
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impl Iterator for TicksIterator {
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type Item = (usize, usize);
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fn next (&mut self) -> Option<Self::Item> {
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loop {
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if self.sample > self.end { return None }
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let spp = self.spp;
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let sample = self.sample as f64;
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let start = self.start;
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let end = self.end;
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self.sample += 1;
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//println!("{spp} {sample} {start} {end}");
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let jitter = sample.rem_euclid(spp); // ramps
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let next_jitter = (sample + 1.0).rem_euclid(spp);
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if jitter > next_jitter { // at crossing:
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let time = (sample as usize) % (end as usize-start as usize);
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let tick = (sample / spp) as usize;
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return Some((time, tick))
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}
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}
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}
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}
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5
src/clock/sample_count.rs
Normal file
5
src/clock/sample_count.rs
Normal file
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use crate::*;
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/// Timestamp in audio samples
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#[derive(Debug, Default)] pub struct SampleCount(AtomicF64);
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impl_time_unit!(SampleCount);
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23
src/clock/sample_rate.rs
Normal file
23
src/clock/sample_rate.rs
Normal file
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@ -0,0 +1,23 @@
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use crate::*;
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/// Audio sample rate in Hz (samples per second)
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#[derive(Debug, Default)] pub struct SampleRate(AtomicF64);
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impl_time_unit!(SampleRate);
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impl SampleRate {
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/// Return the duration of a sample in microseconds (floating)
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#[inline] pub fn usec_per_sample (&self) -> f64 {
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1_000_000f64 / self.get()
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}
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/// Return the duration of a sample in microseconds (floating)
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#[inline] pub fn sample_per_usec (&self) -> f64 {
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self.get() / 1_000_000f64
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}
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/// Convert a number of samples to microseconds (floating)
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#[inline] pub fn samples_to_usec (&self, samples: f64) -> f64 {
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self.usec_per_sample() * samples
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}
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/// Convert a number of microseconds to samples (floating)
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#[inline] pub fn usecs_to_sample (&self, usecs: f64) -> f64 {
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self.sample_per_usec() * usecs
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}
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}
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112
src/clock/timebase.rs
Normal file
112
src/clock/timebase.rs
Normal file
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@ -0,0 +1,112 @@
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use crate::*;
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/// Temporal resolutions: sample rate, tempo, MIDI pulses per quaver (beat)
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#[derive(Debug, Clone)]
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pub struct Timebase {
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/// Audio samples per second
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pub sr: SampleRate,
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/// MIDI beats per minute
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pub bpm: BeatsPerMinute,
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/// MIDI ticks per beat
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pub ppq: PulsesPerQuaver,
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}
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impl Timebase {
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/// Specify sample rate, BPM and PPQ
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pub fn new (
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s: impl Into<SampleRate>,
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b: impl Into<BeatsPerMinute>,
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p: impl Into<PulsesPerQuaver>
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) -> Self {
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Self { sr: s.into(), bpm: b.into(), ppq: p.into() }
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}
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/// Iterate over ticks between start and end.
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#[inline] pub fn pulses_between_samples (&self, start: usize, end: usize) -> TicksIterator {
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TicksIterator { spp: self.samples_per_pulse(), sample: start, start, end }
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}
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/// 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) }
|
||||
}
|
||||
59
src/clock/unit.rs
Normal file
59
src/clock/unit.rs
Normal file
|
|
@ -0,0 +1,59 @@
|
|||
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: InteriorMutable<f64> {}
|
||||
|
||||
/// Implement an arithmetic operation 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 Gettable<f64> for $T {
|
||||
fn get (&self) -> f64 { self.0.load(Relaxed) }
|
||||
}
|
||||
impl InteriorMutable<f64> for $T {
|
||||
fn set (&self, value: f64) -> f64 {
|
||||
let old = self.get();
|
||||
self.0.store(value, Relaxed);
|
||||
old
|
||||
}
|
||||
}
|
||||
impl TimeUnit for $T {}
|
||||
impl_op!($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 $T { fn from (value: usize) -> Self { Self((value as f64).into()) } }
|
||||
impl From<$T> for f64 { fn from (value: $T) -> Self { value.get() } }
|
||||
impl From<$T> for usize { fn from (value: $T) -> Self { value.get() as usize } }
|
||||
impl From<&$T> for f64 { fn from (value: &$T) -> Self { value.get() } }
|
||||
impl From<&$T> for usize { fn from (value: &$T) -> Self { value.get() as usize } }
|
||||
impl Clone for $T { fn clone (&self) -> Self { Self(self.get().into()) } }
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue