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🪞👃🪞 2025-09-07 23:13:41 +03:00
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commit 5e2e0438a4
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85
crates/device/src/lv2/lv2_model.rs
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@ -1,85 +0,0 @@
use crate::*;
/// A LV2 plugin.
#[derive(Debug)]
pub struct Lv2 {
/// JACK client handle (needs to not be dropped for standalone mode to work).
pub jack: Jack<'static>,
pub name: Arc<str>,
pub path: Option<Arc<str>>,
pub selected: usize,
pub mapping: bool,
pub midi_ins: Vec<Port<MidiIn>>,
pub midi_outs: Vec<Port<MidiOut>>,
pub audio_ins: Vec<Port<AudioIn>>,
pub audio_outs: Vec<Port<AudioOut>>,
pub lv2_world: livi::World,
pub lv2_instance: livi::Instance,
pub lv2_plugin: livi::Plugin,
pub lv2_features: Arc<livi::Features>,
pub lv2_port_list: Vec<livi::Port>,
pub lv2_input_buffer: Vec<livi::event::LV2AtomSequence>,
pub lv2_ui_thread: Option<JoinHandle<()>>,
}
impl Lv2 {
pub fn new (
jack: &Jack<'static>,
name: &str,
uri: &str,
) -> Usually<Self> {
let lv2_world = livi::World::with_load_bundle(&uri);
let lv2_features = lv2_world.build_features(livi::FeaturesBuilder {
min_block_length: 1,
max_block_length: 65536,
});
let lv2_plugin = lv2_world.iter_plugins().nth(0)
.unwrap_or_else(||panic!("plugin not found: {uri}"));
Ok(Self {
jack: jack.clone(),
name: name.into(),
path: Some(String::from(uri).into()),
selected: 0,
mapping: false,
midi_ins: vec![],
midi_outs: vec![],
audio_ins: vec![],
audio_outs: vec![],
lv2_instance: unsafe {
lv2_plugin
.instantiate(lv2_features.clone(), 48000.0)
.expect(&format!("instantiate failed: {uri}"))
},
lv2_port_list: lv2_plugin.ports().collect::<Vec<_>>(),
lv2_input_buffer: Vec::with_capacity(Self::INPUT_BUFFER),
lv2_ui_thread: None,
lv2_world,
lv2_features,
lv2_plugin,
})
}
const INPUT_BUFFER: usize = 1024;
}
//fn jack_from_lv2 (name: &str, plugin: &::livi::Plugin) -> Usually<Jack> {
//let counts = plugin.port_counts();
//let mut jack = Jack::new(name)?;
//for i in 0..counts.atom_sequence_inputs {
//jack = jack.midi_in(&format!("midi-in-{i}"))
//}
//for i in 0..counts.atom_sequence_outputs {
//jack = jack.midi_out(&format!("midi-out-{i}"));
//}
//for i in 0..counts.audio_inputs {
//jack = jack.audio_in(&format!("audio-in-{i}"));
//}
//for i in 0..counts.audio_outputs {
//jack = jack.audio_out(&format!("audio-out-{i}"));
//}
//Ok(jack)
//}