build wrapper with musl

crates/wrapper/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [lib]
-crate-type = ["cdylib"]
+crate-type = ["staticlib"]
 
 [dependencies]
 #nih_plug = { git = "https://github.com/robbert-vdh/nih-plug" }

crates/wrapper/src/lib.rs

@@ -1,8 +1,128 @@
-use tek_jack::{*, jack::*};
-use std::error::Error;
-pub fn main () -> Result<(), Box<dyn Error>> {
-    let jack = Jack::new("vestal")?.run(|jack|Ok(Host(jack.clone())))?;
-    Ok(())
-}
-struct Host(Jack);
+pub(crate) use tek_jack::{*, jack::*};
+pub(crate) use std::error::Error;
+pub(crate) struct Host(pub Jack);
+//mod vst2;
+
 audio!(|self: Host, _c, _s|Control::Continue);
+
+#[no_mangle]
+pub extern "C" fn main (argc: usize, argv: usize) -> usize {
+    let plugin = run();
+    let jack = Jack::new("vestal")
+        .expect("failed to connect")
+        .run(|jack|Ok(Host(jack.clone())))
+        .expect("failed to start");
+    println!("Hello world {argc} {argv}");
+    0
+}
+
+fn run () -> &'static Plugin {
+    let callback = Box::new(main_callback);
+    let pointer  = Box::into_raw(callback) as *mut MainCallback;
+    unsafe { &*VSTPluginMain(pointer) }
+}
+
+unsafe extern "C" {
+    /// Entrypoint of associated plugin.
+    fn VSTPluginMain (callback: *mut MainCallback) -> *mut Plugin;
+}
+
+#[no_mangle]
+extern "C" fn main_callback (
+    effect: *mut Plugin,
+    opcode: i32,
+    index:  i32,
+    value:  isize,
+    ptr:    *mut std::ffi::c_void,
+    opt:    f32
+) -> isize {
+    println!("{effect:?}");
+    0
+}
+
+#[repr(C)]
+#[derive(Debug)]
+struct Plugin {
+    /// Must be `VstP`
+    magic: [u8;4],
+    /// See AudioPlugin::dispatcher
+    dispatcher: DispatchCallback,
+    /// Deprecated
+    _process: ProcessCallback<f32>,
+    /// Set parameter
+    set_param: GetParamCallback,
+    /// Get parameter
+    get_param: SetParamCallback,
+    /// Number of programs
+    num_programs: i32,
+    /// Number of parameters in a program
+    num_params: i32,
+    /// Number of audio inputs
+    num_inputs: i32,
+    /// Number of audio outputs
+    num_outputs: i32,
+    /// Flags
+    flags: i32,
+    /// Reserved, must be 0
+    _reserved_1: i32,
+    /// Reserved, must be 0
+    _reserved_2: i32,
+    /// Latency required
+    initial_delay: i32,
+    /// Deprecated
+    _real_qs: i32,
+    /// Deprecated
+    _off_qs: i32,
+    /// Deprecated
+    _io_ratio: f32,
+    /// Pointer to AudioPlugin class
+    object: *mut std::ffi::c_void,
+    /// User-defined pointer
+    user: *mut std::ffi::c_void,
+    /// Plugin unique ID (registered)
+    unique_id: i32,
+    /// Plugin version
+    version: i32,
+    /// Process audio samples in replacing mode
+    process_replacing: *const ProcessCallback<f32>,
+    /// Process audio samples in replacing mode with double precision
+    process_double_replacing: *const ProcessCallback<f64>,
+    /// Reserved for future use
+    _reserved: [u8;56]
+}
+
+type MainCallback = extern "C" fn(
+    effect: *mut Plugin,
+    opcode: i32,
+    index:  i32,
+    value:  isize,
+    ptr:    *mut std::ffi::c_void,
+    opt:    f32
+) -> isize;
+
+type DispatchCallback = extern "C" fn(
+    effect: *mut Plugin,
+    opcode: i32,
+    index:  i32,
+    value:  *mut i32,
+    ptr:    *mut std::ffi::c_void,
+    opt:    f32
+) -> isize;
+
+type ProcessCallback<T> = extern "C" fn(
+    effect:  *mut Plugin,
+    inputs:  *const *const T,
+    outputs: *const *const T,
+    frames:  i32,
+);
+
+type SetParamCallback = extern "C" fn(
+    effect:  *mut Plugin,
+    index:   i32,
+    value:   f32
+);
+
+type GetParamCallback = extern "C" fn(
+    effect:  *mut Plugin,
+    index:   i32,
+) -> f32;

crates/wrapper/src/vst2.rs

@@ -0,0 +1,292 @@
+// https://raw.githubusercontent.com/RustAudio/vst2-sys/refs/heads/master/src/lib.rs
+// see https://github.com/RustAudio/vst2-sys for autorship and license.
+
+use std::ffi::c_void;
+use std::mem;
+use std::os::raw::c_char;
+
+pub const fn cconst(a: u8, b: u8, c: u8, d: u8) -> i32 {
+    ((a as i32) << 24) | ((b as i32) << 16) | ((c as i32) << 8) | ((d as i32) << 0)
+}
+
+pub mod host_opcodes {
+    pub const AUTOMATE: i32 = 0;
+    pub const VERSION: i32 = 1;
+    pub const CURRENT_ID: i32 = 2;
+    pub const IDLE: i32 = 3;
+    pub const PIN_CONNECTED: i32 = 4;
+    pub const WANT_MIDI: i32 = 6;
+    pub const GET_TIME: i32 = 7;
+    pub const PROCESS_EVENTS: i32 = 8;
+    pub const SET_TIME: i32 = 9;
+    pub const TEMPO_AT: i32 = 10;
+    pub const GET_NUM_AUTOMATABLE_PARAMETERS: i32 = 11;
+    pub const GET_PARAMETER_QUANTIZATION: i32 = 12;
+    pub const IO_CHANGED: i32 = 13;
+    pub const NEED_IDLE: i32 = 14;
+    pub const SIZE_WINDOW: i32 = 15;
+    pub const GET_SAMPLE_RATE: i32 = 16;
+    pub const GET_BLOCK_SIZE: i32 = 17;
+    pub const GET_INPUT_LATENCY: i32 = 18;
+    pub const GET_OUTPUT_LATENCY: i32 = 19;
+    pub const GET_PREVIOUS_PLUG: i32 = 20;
+    pub const GET_NEXT_PLUG: i32 = 21;
+    pub const WILL_REPLACE_OR_ACCUMULATE: i32 = 22;
+    pub const GET_CURRENT_PROCESS_LEVEL: i32 = 23;
+    pub const GET_AUTOMATION_STATE: i32 = 24;
+    pub const OFFLINE_START: i32 = 25;
+    pub const OFFLINE_READ: i32 = 26;
+    pub const OFFLINE_WRITE: i32 = 27;
+    pub const OFFLINE_GET_CURRENT_PASS: i32 = 28;
+    pub const OFFLINE_GET_CURRENT_META_PASS: i32 = 29;
+    pub const SET_OUTPUT_SAMPLE_RATE: i32 = 30;
+    pub const GET_SPEAKER_ARRANGEMENT: i32 = 31;
+    pub const GET_VENDOR_STRING: i32 = 32;
+    pub const GET_PRODUCT_STRING: i32 = 33;
+    pub const GET_VENDOR_VERSION: i32 = 34;
+    pub const VENDOR_SPECIFIC: i32 = 35;
+    pub const SET_ICON: i32 = 36;
+    pub const CAN_DO: i32 = 37;
+    pub const GET_LANGUAGE: i32 = 38;
+    pub const OPEN_WINDOW: i32 = 39;
+    pub const CLOSE_WINDOW: i32 = 40;
+    pub const GET_DIRECTORY: i32 = 41;
+    pub const UPDATE_DISPLAY: i32 = 42;
+    pub const BEGIN_EDIT: i32 = 43;
+    pub const END_EDIT: i32 = 44;
+    pub const OPEN_FILE_SELECTOR: i32 = 45;
+    pub const CLOSE_FILE_SELECTOR: i32 = 46;
+    pub const EDIT_FILE: i32 = 47;
+    pub const GET_CHUNK_FILE: i32 = 48;
+    pub const GET_INPUT_SPEAKER_ARRANGEMENT: i32 = 49;
+}
+
+pub mod effect_flags {
+    pub const HAS_EDITOR: i32 = 1;
+    pub const CAN_REPLACING: i32 = 1 << 4;
+    pub const PROGRAM_CHUNKS: i32 = 1 << 5;
+    pub const IS_SYNTH: i32 = 1 << 8;
+}
+
+pub mod effect_opcodes {
+    pub const OPEN: i32 = 0;
+    pub const CLOSE: i32 = 1;
+    pub const SET_PROGRAM: i32 = 2;
+    pub const GET_PROGRAM: i32 = 3;
+    pub const GET_PROGRAM_NAME: i32 = 5;
+    pub const GET_PARAM_LABEL: i32 = 6;
+    pub const GET_PARAM_DISPLAY: i32 = 7;
+    pub const GET_PARAM_NAME: i32 = 8;
+    pub const SET_SAMPLE_RATE: i32 = 10;
+    pub const SET_BLOCK_SIZE: i32 = 11;
+    pub const MAINS_CHANGED: i32 = 12;
+    pub const EDIT_GET_RECT: i32 = 13;
+    pub const EDIT_OPEN: i32 = 14;
+    pub const EDIT_CLOSE: i32 = 15;
+    pub const EDIT_IDLE: i32 = 19;
+    pub const EDIT_TOP: i32 = 20;
+    pub const GET_CHUNK: i32 = 23;
+    pub const SET_CHUNK: i32 = 24;
+    pub const PROCESS_EVENTS: i32 = 25;
+    pub const CAN_BE_AUTOMATED: i32 = 26;
+    pub const STRING_TO_PARAMETER: i32 = 27;
+    pub const GET_PLUG_CATEGORY: i32 = 35;
+    pub const SET_BYPASS: i32 = 44;
+    pub const GET_EFFECT_NAME: i32 = 45;
+    pub const GET_VENDOR_STRING: i32 = 47;
+    pub const GET_PRODUCT_STRING: i32 = 48;
+    pub const GET_VENDOR_VERSION: i32 = 49;
+    pub const VENDOR_SPECIFIC: i32 = 50;
+    pub const CAN_DO: i32 = 51;
+    pub const IDLE: i32 = 53;
+    pub const GET_PARAMETER_PROPERTIES: i32 = 56;
+    pub const GET_VST_VERSION: i32 = 58;
+    pub const SHELL_GET_NEXT_PLUGIN: i32 = 70;
+    pub const START_PROCESS: i32 = 71;
+    pub const STOP_PROCESS: i32 = 72;
+    pub const BEGIN_SET_PROGRAM: i32 = 67;
+    pub const END_SET_PROGRAM: i32 = 68;
+}
+
+pub const MAGIC: i32 = cconst(b'V', b's', b't', b'P');
+pub const LANG_ENGLISH: i32 = 1;
+pub const MIDI_TYPE: i32 = 1;
+pub const SYSEX_TYPE: i32 = 6;
+
+pub mod transport {
+    pub const CHANGED: i32 = 1;
+    pub const PLAYING: i32 = 1 << 1;
+    pub const CYCLE_ACTIVE: i32 = 1 << 2;
+    pub const RECORDING: i32 = 1 << 3;
+}
+
+pub mod automation {
+    pub const WRITING: i32 = 1 << 6;
+    pub const READING: i32 = 1 << 7;
+}
+
+pub mod time_info_flags {
+    pub const NANOS_VALID: i32 = 1 << 8;
+    pub const PPQ_POS_VALID: i32 = 1 << 9;
+    pub const TEMPO_VALID: i32 = 1 << 10;
+    pub const BARS_VALID: i32 = 1 << 11;
+    pub const CYCLE_POS_VALID: i32 = 1 << 12;
+    pub const TIME_SIG_VALID: i32 = 1 << 13;
+    pub const SMPTE_VALID: i32 = 1 << 14;
+    pub const CLOCK_VALID: i32 = 1 << 15;
+}
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct MidiEvent {
+    pub event_type: i32,
+    pub byte_size: i32,
+    pub delta_frames: i32,
+    pub flags: i32,
+    pub note_length: i32,
+    pub note_offset: i32,
+    pub midi_data: [u8; 4],
+    pub detune: i8,
+    pub note_off_velocity: u8,
+    pub reserved_1: u8,
+    pub reserved_2: u8,
+}
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct SysExEvent {
+    pub event_type: i32,
+    pub byte_size: i32,
+    pub delta_frames: i32,
+    pub flags: i32,
+    pub dump_bytes: i32,
+    pub reserved_1: *const c_void,
+    pub sysex_dump: *const i8,
+    pub reserved_2: *const c_void,
+}
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct Event {
+    pub dump: [u8; mem::size_of::<MidiEvent>()],
+}
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct Events {
+    pub num_events: i32,
+    pub reserved: *const c_void,
+    pub events: [*const Event; 2],
+}
+
+pub mod string_constants {
+    pub const MAX_NAME_LEN: usize = 64;
+    pub const MAX_LABEL_LEN: usize = 64;
+    pub const MAX_SHORT_LABEL_LEN: usize = 8;
+    pub const MAX_CATEG_LABEL_LEN: usize = 24;
+    pub const MAX_FILE_NAME_LEN: usize = 100;
+}
+
+pub mod plug_category {
+    pub const UNKNOWN: i32 = 0;
+    pub const EFFECT: i32 = 1;
+    pub const SYNTH: i32 = 2;
+    pub const ANALYSIS: i32 = 3;
+    pub const MASTERING: i32 = 4;
+    pub const SPACIALIZER: i32 = 5;
+    pub const ROOM_FX: i32 = 6;
+    pub const SURROUND_FX: i32 = 7;
+    pub const RESTORATION: i32 = 8;
+    pub const OFFLINE_PROCESS: i32 = 9;
+    pub const SHELL: i32 = 10;
+    pub const GENERATOR: i32 = 11;
+    pub const MAX_COUNT: i32 = 12;
+}
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct ParameterProperties {
+    pub step_float: f32,
+    pub small_step_float: f32,
+    pub large_step_float: f32,
+    pub label: [c_char; string_constants::MAX_LABEL_LEN],
+    pub flags: i32,
+    pub min_integer: i32,
+    pub max_integer: i32,
+    pub step_integer: i32,
+    pub large_step_integer: i32,
+    pub short_label: [c_char; string_constants::MAX_SHORT_LABEL_LEN],
+    pub display_index: i16,
+    pub category: i16,
+    pub num_parameters_in_category: i16,
+    pub reserved: i16,
+    pub category_label: [c_char; string_constants::MAX_CATEG_LABEL_LEN],
+    pub future: [u8; 16],
+}
+
+pub mod parameter_flags {
+    pub const IS_SWITCH: i32 = 1 << 0;
+    pub const USES_INTEGER_MIN_MAX: i32 = 1 << 1;
+    pub const USES_FLOAT_STEP: i32 = 1 << 2;
+    pub const USES_INT_STEP: i32 = 1 << 3;
+    pub const SUPPORTS_DISPLAY_INDEX: i32 = 1 << 4;
+    pub const SUPPORTS_DISPLAY_CATEGORY: i32 = 1 << 5;
+    pub const CAN_RAMP: i32 = 1 << 6;
+}
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct AEffect {
+    pub magic: i32,
+    pub dispatcher: extern "C" fn(*mut AEffect, i32, i32, isize, *mut c_void, f32) -> isize,
+    pub process: extern "C" fn(*mut AEffect, *const *const f32, *mut *mut f32, i32),
+    pub set_parameter: extern "C" fn(*mut AEffect, i32, f32),
+    pub get_parameter: extern "C" fn(*mut AEffect, i32) -> f32,
+    pub num_programs: i32,
+    pub num_params: i32,
+    pub num_inputs: i32,
+    pub num_outputs: i32,
+    pub flags: i32,
+    pub ptr_1: *mut c_void,
+    pub ptr_2: *mut c_void,
+    pub initial_delay: i32,
+    pub empty_2: [u8; 4 + 4],
+    pub unknown_float: f32,
+    pub object: *mut c_void,
+    pub user: *mut c_void,
+    pub unique_id: i32,
+    pub version: i32,
+    pub process_replacing: extern "C" fn(*mut AEffect, *const *const f32, *mut *mut f32, i32),
+    pub process_double_replacing: extern "C" fn(*mut AEffect, *const *const f64, *mut *mut f64, i32),
+}
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct TimeInfo {
+    pub sample_pos: f64,
+    pub sample_rate: f64,
+    pub nano_seconds: f64,
+    pub ppq_pos: f64,
+    pub tempo: f64,
+    pub bar_start_pos: f64,
+    pub cycle_start_pos: f64,
+    pub cycle_end_pos: f64,
+    pub time_sig_numerator: i32,
+    pub time_sig_denominator: i32,
+    pub smpte_offset: i32,
+    pub smpte_frame_rate: i32,
+    pub samples_to_next_clock: i32,
+    pub flags: i32,
+}
+
+#[repr(C)]
+#[derive(Copy, Clone)]
+pub struct Rect {
+    pub top: i16,
+    pub left: i16,
+    pub bottom: i16,
+    pub right: i16,
+}
+
+pub type HostCallbackProc = extern "C" fn(*mut AEffect, i32, i32, isize, *mut c_void, f32) -> isize;
+