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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,247 @@ | ||
| /************************************************************************ | ||
| ************************************************************************ | ||
| FAUST Architecture File | ||
| Copyright (C) 2020 GRAME, Centre National de Creation Musicale | ||
| --------------------------------------------------------------------- | ||
| This is sample code. This file is provided as an example of minimal | ||
| FAUST architecture file. Redistribution and use in source and binary | ||
| forms, with or without modification, in part or in full are permitted. | ||
| In particular you can create a derived work of this FAUST architecture | ||
| and distribute that work under terms of your choice. | ||
| This sample code 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. | ||
| ************************************************************************ | ||
| ************************************************************************/ | ||
|
|
||
| #![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)] | ||
|
|
||
| #![recursion_limit="256"] | ||
|
|
||
| extern crate libm; | ||
| extern crate num_traits; | ||
| /* extern crate fastfloat; */ | ||
|
|
||
| use std::fs::File; | ||
| use std::io::Write; | ||
| use std::env; | ||
|
|
||
| use num_traits::{cast::FromPrimitive, float::Float}; | ||
|
|
||
| type F32 = f32; | ||
| type F64 = f64; | ||
|
|
||
| /* | ||
| type F32 = Fast<f32>; | ||
| type F64 = Fast<f64>; | ||
| */ | ||
|
|
||
| #[derive(Copy, Clone)] | ||
| pub struct ParamIndex(i32); | ||
|
|
||
| pub struct Soundfile<'a> { | ||
| fBuffers: &'a&'a F32, | ||
| 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); | ||
| } | ||
|
|
||
| pub struct ButtonUI | ||
| { | ||
| all_button_params: Vec<ParamIndex> | ||
| } | ||
|
|
||
| impl ButtonUI | ||
| { | ||
| fn set_button_parameters_to(&self, dsp: &mut dyn FaustDsp<T=f64>, value: f64) { | ||
| for button_param in &self.all_button_params { | ||
| dsp.set_param(*button_param, value); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl<T: Float + FromPrimitive> UI<T> for ButtonUI | ||
| { | ||
| // -- 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) | ||
| { | ||
| self.all_button_params.push(param); | ||
| } | ||
| 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) {} | ||
| } | ||
|
|
||
| // Generated intrinsics: | ||
| <<includeIntrinsic>> | ||
|
|
||
| // Generated class: | ||
| <<includeclass>> | ||
|
|
||
| const SAMPLE_RATE: i32 = 44100; | ||
|
|
||
| type Dsp64 = dyn FaustDsp<T=f64>; | ||
|
|
||
| fn print_header(mut dsp: Box<Dsp64>, num_total_samples: usize, output_file: &mut File) { | ||
| dsp.init(SAMPLE_RATE); | ||
| writeln!(output_file, "number_of_inputs : {}", dsp.get_num_inputs()).unwrap(); | ||
| writeln!(output_file, "number_of_outputs : {}", dsp.get_num_outputs()).unwrap(); | ||
| writeln!(output_file, "number_of_frames : {}", num_total_samples).unwrap(); | ||
| } | ||
|
|
||
| fn run_dsp(mut dsp: Box<Dsp64>, num_samples: usize, line_num_offset: usize, output_file: &mut File) { | ||
| type T = <Dsp64 as FaustDsp>::T; | ||
|
|
||
| // Generation constants | ||
| let buffer_size = 64usize; | ||
|
|
||
| // Init dsp | ||
| dsp.init(SAMPLE_RATE); | ||
|
|
||
| let num_inputs = dsp.get_num_inputs() as usize; | ||
| let num_outputs = dsp.get_num_outputs() as usize; | ||
|
|
||
| // Prepare buffers | ||
| let mut in_buffer = vec![vec![0 as T; buffer_size]; num_inputs]; | ||
| let mut out_buffer = vec![vec![0 as T; buffer_size]; num_outputs]; | ||
|
|
||
| // Prepare UI | ||
| let mut ui = ButtonUI{ all_button_params: Vec::new() }; | ||
| dsp.build_user_interface(&mut ui); | ||
|
|
||
| // Compute | ||
| let mut cycle = 0; | ||
| let mut num_samples_written = 0; | ||
| while num_samples_written < num_samples { | ||
|
|
||
| let buffer_size = buffer_size.min(num_samples - num_samples_written); | ||
|
|
||
| // handle inputs | ||
| for c in 0..num_inputs { | ||
| for j in 0..buffer_size { | ||
| let first_frame = num_samples_written == 0 && j == 0; | ||
| in_buffer[c][j] = if first_frame { 1.0 } else { 0.0 }; | ||
| } | ||
| } | ||
|
|
||
| // Set button state | ||
| if cycle == 0 { | ||
| ui.set_button_parameters_to(&mut *dsp, 1.0); | ||
| } else { | ||
| ui.set_button_parameters_to(&mut *dsp, 0.0); | ||
| } | ||
|
|
||
| dsp.compute( | ||
| buffer_size as i32, | ||
| in_buffer.iter().map(|buffer| buffer.as_slice()).collect::<Vec<&[T]>>().as_slice(), | ||
| out_buffer.iter_mut().map(|buffer| buffer.as_mut_slice()).collect::<Vec<&mut [T]>>().as_mut_slice(), | ||
| ); | ||
|
|
||
| // handle outputs | ||
| for j in 0..buffer_size { | ||
| write!(output_file, "{:6} :", num_samples_written + line_num_offset).unwrap(); | ||
| for c in 0..num_outputs { | ||
| write!(output_file, " {:8.6}", out_buffer[c][j]).unwrap(); | ||
| } | ||
| writeln!(output_file).unwrap(); | ||
| num_samples_written += 1; | ||
| } | ||
|
|
||
| cycle = cycle + 1; | ||
| } | ||
| } | ||
|
|
||
| fn new_dsp() -> Box<Dsp64> { | ||
| use default_boxed::DefaultBoxed; | ||
| mydsp::default_boxed() | ||
| } | ||
|
|
||
| fn main() { | ||
| let num_total_samples = 60000; | ||
|
|
||
| let block_size = num_total_samples / 4; | ||
|
|
||
| // Open output file | ||
| let output_file_name = env::args().nth(1).expect("ERROR: Output file name expected."); | ||
| let mut output_file = File::create(output_file_name).expect("Cannot create output file"); | ||
|
|
||
| print_header(new_dsp(), num_total_samples, &mut output_file); | ||
|
|
||
| // Only test mono DSP for now | ||
| run_dsp(new_dsp(), block_size, 0, &mut output_file); | ||
|
|
||
| //run_dsp(new_dsp(), block_size, 1 * block_size, &mut output_file); | ||
| //run_dsp(new_dsp(), block_size, 2 * block_size, &mut output_file); | ||
| //run_dsp(new_dsp(), block_size, 3 * block_size, &mut output_file); | ||
| } |