mirror of
https://codeberg.org/unspeaker/tek.git
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85 lines
2.7 KiB
Rust
85 lines
2.7 KiB
Rust
use crate::*;
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/// A LV2 plugin.
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#[derive(Debug)]
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pub struct Lv2 {
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/// JACK client handle (needs to not be dropped for standalone mode to work).
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pub jack: Jack<'static>,
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pub name: Arc<str>,
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pub path: Option<Arc<str>>,
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pub selected: usize,
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pub mapping: bool,
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pub midi_ins: Vec<Port<MidiIn>>,
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pub midi_outs: Vec<Port<MidiOut>>,
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pub audio_ins: Vec<Port<AudioIn>>,
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pub audio_outs: Vec<Port<AudioOut>>,
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pub lv2_world: livi::World,
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pub lv2_instance: livi::Instance,
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pub lv2_plugin: livi::Plugin,
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pub lv2_features: Arc<livi::Features>,
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pub lv2_port_list: Vec<livi::Port>,
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pub lv2_input_buffer: Vec<livi::event::LV2AtomSequence>,
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pub lv2_ui_thread: Option<JoinHandle<()>>,
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}
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impl Lv2 {
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pub fn new (
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jack: &Jack<'static>,
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name: &str,
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uri: &str,
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) -> Usually<Self> {
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let lv2_world = livi::World::with_load_bundle(&uri);
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let lv2_features = lv2_world.build_features(livi::FeaturesBuilder {
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min_block_length: 1,
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max_block_length: 65536,
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});
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let lv2_plugin = lv2_world.iter_plugins().nth(0)
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.unwrap_or_else(||panic!("plugin not found: {uri}"));
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Ok(Self {
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jack: jack.clone(),
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name: name.into(),
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path: Some(String::from(uri).into()),
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selected: 0,
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mapping: false,
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midi_ins: vec![],
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midi_outs: vec![],
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audio_ins: vec![],
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audio_outs: vec![],
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lv2_instance: unsafe {
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lv2_plugin
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.instantiate(lv2_features.clone(), 48000.0)
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.expect(&format!("instantiate failed: {uri}"))
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},
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lv2_port_list: lv2_plugin.ports().collect::<Vec<_>>(),
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lv2_input_buffer: Vec::with_capacity(Self::INPUT_BUFFER),
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lv2_ui_thread: None,
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lv2_world,
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lv2_features,
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lv2_plugin,
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})
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}
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const INPUT_BUFFER: usize = 1024;
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}
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//fn jack_from_lv2 (name: &str, plugin: &::livi::Plugin) -> Usually<Jack> {
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//let counts = plugin.port_counts();
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//let mut jack = Jack::new(name)?;
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//for i in 0..counts.atom_sequence_inputs {
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//jack = jack.midi_in(&format!("midi-in-{i}"))
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//}
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//for i in 0..counts.atom_sequence_outputs {
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//jack = jack.midi_out(&format!("midi-out-{i}"));
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//}
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//for i in 0..counts.audio_inputs {
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//jack = jack.audio_in(&format!("audio-in-{i}"));
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//}
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//for i in 0..counts.audio_outputs {
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//jack = jack.audio_out(&format!("audio-out-{i}"));
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//}
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//Ok(jack)
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//}
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