use crate::{cstr, host::*, plugin::*};

use std::ffi::CStr;

pub const CLAP_EXT_CV: &CStr = cstr!("clap.cv.draft/0");

pub const CLAP_PORT_CV: &CStr = cstr!("cv");

pub const CLAP_CV_VALUE: u32 = 0;
pub const CLAP_CV_GATE: u32 = 1;
pub const CLAP_CV_PITCH: u32 = 2;

#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct clap_plugin_cv {
    pub get_channel_type: Option<
        unsafe extern "C" fn(
            plugin: *const clap_plugin,
            is_input: bool,
            port_index: u32,
            channel_index: u32,
            channel_type: *mut u32,
        ) -> bool,
    >,
}

#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct clap_host_cv {
    pub changed: Option<unsafe extern "C" fn(host: *const clap_host)>,
}