tek/crates/device/src/port/port_midi_in.rs
2025-05-21 00:07:43 +03:00

109 lines
3.3 KiB
Rust

use crate::*;
//impl_port!(MidiInput: MidiOut -> MidiIn |j, n|j.register_port::<MidiOut>(n));
#[derive(Debug)] pub struct MidiInput {
/// Handle to JACK client, for receiving reconnect events.
jack: Jack<'static>,
/// Port name
name: Arc<str>,
/// Port handle.
port: Port<MidiIn>,
/// List of currently held notes.
held: Arc<RwLock<[bool;128]>>,
/// List of ports to connect to.
pub connections: Vec<Connect>,
}
has!(Jack<'static>: |self: MidiInput|self.jack);
impl JackPort for MidiInput {
type Port = MidiIn;
type Pair = MidiOut;
fn name (&self) -> &Arc<str> {
&self.name
}
fn port (&self) -> &Port<Self::Port> {
&self.port
}
fn port_mut (&mut self) -> &mut Port<Self::Port> {
&mut self.port
}
fn into_port (self) -> Port<Self::Port> {
self.port
}
fn connections (&self) -> &[Connect] {
self.connections.as_slice()
}
fn new (jack: &Jack<'static>, name: &impl AsRef<str>, connect: &[Connect])
-> Usually<Self> where Self: Sized
{
let port = Self {
port: Self::register(jack, name)?,
jack: jack.clone(),
name: name.as_ref().into(),
connections: connect.to_vec(),
held: Arc::new(RwLock::new([false;128]))
};
port.connect_to_matching()?;
Ok(port)
}
}
impl MidiInput {
pub fn parsed <'a> (&'a self, scope: &'a ProcessScope) -> impl Iterator<Item=(usize, LiveEvent<'a>, &'a [u8])> {
parse_midi_input(self.port().iter(scope))
}
}
#[tengri_proc::command(MidiInput)]
impl MidiInputCommand {
//fn _todo_ (_port: &mut MidiInput) -> Perhaps<Self> { Ok(None) }
}
impl<T: Has<Vec<MidiInput>>> HasMidiIns for T {
fn midi_ins (&self) -> &Vec<MidiInput> {
self.get()
}
fn midi_ins_mut (&mut self) -> &mut Vec<MidiInput> {
self.get_mut()
}
}
/// Trait for thing that may receive MIDI.
pub trait HasMidiIns {
fn midi_ins (&self) -> &Vec<MidiInput>;
fn midi_ins_mut (&mut self) -> &mut Vec<MidiInput>;
/// Collect MIDI input from app ports (TODO preallocate large buffers)
fn midi_input_collect <'a> (&'a self, scope: &'a ProcessScope) -> CollectedMidiInput<'a> {
self.midi_ins().iter()
.map(|port|port.port().iter(scope)
.map(|RawMidi { time, bytes }|(time, LiveEvent::parse(bytes)))
.collect::<Vec<_>>())
.collect::<Vec<_>>()
}
fn midi_ins_with_sizes <'a> (&'a self) ->
impl Iterator<Item=(usize, &Arc<str>, &[Connect], usize, usize)> + Send + Sync + 'a
{
let mut y = 0;
self.midi_ins().iter().enumerate().map(move|(i, input)|{
let height = 1 + input.connections().len();
let data = (i, input.name(), input.connections(), y, y + height);
y += height;
data
})
}
}
pub type CollectedMidiInput<'a> = Vec<Vec<(u32, Result<LiveEvent<'a>, MidiError>)>>;
impl<T: HasMidiIns + HasJack<'static>> AddMidiIn for T {
fn midi_in_add (&mut self) -> Usually<()> {
let index = self.midi_ins().len();
let port = MidiInput::new(self.jack(), &format!("M/{index}"), &[])?;
self.midi_ins_mut().push(port);
Ok(())
}
}
/// May create new MIDI input ports.
pub trait AddMidiIn {
fn midi_in_add (&mut self) -> Usually<()>;
}