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/************************************************************************
FAUST Architecture File
Copyright (C) 2003-2024 GRAME, Centre National de Creation Musicale
---------------------------------------------------------------------
This Architecture section is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 3 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; If not, see <http://www.gnu.org/licenses/>.
EXCEPTION : As a special exception, you may create a larger work
that contains this FAUST architecture section and distribute
that work under terms of your choice, so long as this FAUST
architecture section is not modified.
************************************************************************
************************************************************************/
#![allow(unused_parens)]
#![allow(non_snake_case)]
#![allow(non_camel_case_types)]
#![allow(dead_code)]
#![allow(unused_variables)]
#![allow(unused_mut)]
#![allow(non_upper_case_globals)]
//! Faust JACK architecture file
extern crate jack;
use jack::prelude as j;
use std::io;
extern crate libm;
type F32 = f32;
type F64 = f64;
#[derive(Copy, Clone)]
pub struct ParamIndex(pub i32);
pub struct Soundfile<'a,T> {
fBuffers: &'a&'a T,
fLength: &'a i32,
fSR: &'a i32,
fOffset: &'a i32,
fChannels: i32
}
pub trait FaustDsp {
type T;
fn new() -> Self where Self: Sized;
fn metadata(&self, m: &mut dyn Meta);
fn get_sample_rate(&self) -> i32;
fn get_num_inputs(&self) -> i32;
fn get_num_outputs(&self) -> i32;
fn class_init(sample_rate: i32) where Self: Sized;
fn instance_reset_params(&mut self);
fn instance_clear(&mut self);
fn instance_constants(&mut self, sample_rate: i32);
fn instance_init(&mut self, sample_rate: i32);
fn init(&mut self, sample_rate: i32);
fn build_user_interface(&self, ui_interface: &mut dyn UI<Self::T>);
fn build_user_interface_static(ui_interface: &mut dyn UI<Self::T>) where Self: Sized;
fn get_param(&self, param: ParamIndex) -> Option<Self::T>;
fn set_param(&mut self, param: ParamIndex, value: Self::T);
fn compute(&mut self, count: i32, inputs: &[&[Self::T]], outputs: &mut[&mut[Self::T]]);
}
pub trait Meta {
// -- metadata declarations
fn declare(&mut self, key: &str, value: &str);
}
pub trait UI<T> {
// -- widget's layouts
fn open_tab_box(&mut self, label: &str);
fn open_horizontal_box(&mut self, label: &str);
fn open_vertical_box(&mut self, label: &str);
fn close_box(&mut self);
// -- active widgets
fn add_button(&mut self, label: &str, param: ParamIndex);
fn add_check_button(&mut self, label: &str, param: ParamIndex);
fn add_vertical_slider(&mut self, label: &str, param: ParamIndex, init: T, min: T, max: T, step: T);
fn add_horizontal_slider(&mut self, label: &str, param: ParamIndex, init: T, min: T, max: T, step: T);
fn add_num_entry(&mut self, label: &str, param: ParamIndex, init: T, min: T, max: T, step: T);
// -- passive widgets
fn add_horizontal_bargraph(&mut self, label: &str, param: ParamIndex, min: T, max: T);
fn add_vertical_bargraph(&mut self, label: &str, param: ParamIndex, min: T, max: T);
// -- metadata declarations
fn declare(&mut self, param: Option<ParamIndex>, key: &str, value: &str);
}
<<includeIntrinsic>>
<<includeclass>>
fn main() {
// Create JACK client
let (client, _status) = j::Client::new("faust_rust", j::client_options::NO_START_SERVER).unwrap();
// Allocation DSP on the heap
let mut dsp;
#[cfg(feature = "default-boxed")]
{
use default_boxed::DefaultBoxed;
dsp = mydsp::default_boxed();
}
#[cfg(not(feature = "default-boxed"))]
{
dsp = Box::new(mydsp::new());
}
println!("Faust Rust code running with JACK: sample-rate = {} buffer-size = {}", client.sample_rate(), client.buffer_size());
println!("get_num_inputs: {}", dsp.get_num_inputs());
println!("get_num_outputs: {}", dsp.get_num_outputs());
// Init DSP with a given SR
dsp.init(client.sample_rate() as i32);
// Register ports. They will be used in a callback that will be
// called when new data is available.
let in_a = client.register_port("in1", j::AudioInSpec::default()).unwrap();
let in_b = client.register_port("in2", j::AudioInSpec::default()).unwrap();
let mut out_a = client.register_port("out1", j::AudioOutSpec::default()).unwrap();
let mut out_b = client.register_port("out2", j::AudioOutSpec::default()).unwrap();
let process_callback = move |_: &j::Client, ps: &j::ProcessScope| -> j::JackControl {
let mut out_a_p = j::AudioOutPort::new(&mut out_a, ps);
let mut out_b_p = j::AudioOutPort::new(&mut out_b, ps);
let in_a_p = j::AudioInPort::new(&in_a, ps);
let in_b_p = j::AudioInPort::new(&in_b, ps);
let input0: &[f32] = &in_a_p;
let input1: &[f32] = &in_b_p;
let output0: &mut[f32] = &mut out_a_p;
let output1: &mut[f32] = &mut out_b_p;
let inputs = &[input0, input1];
let outputs = &mut[output0, output1];
dsp.compute(in_a_p.len() as usize, inputs, outputs);
j::JackControl::Continue
};
let process = j::ClosureProcessHandler::new(process_callback);
// Activate the client, which starts the processing.
let active_client = j::AsyncClient::new(client, (), process).unwrap();
// Wait for user input to quit
println!("Press enter/return to quit...");
let mut user_input = String::new();
io::stdin().read_line(&mut user_input).ok();
active_client.deactivate().unwrap();
}
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