clap-sys 0.5.0

Rust bindings for the CLAP audio plugin API
Documentation 
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use crate::{cstr, host::*, id::*, plugin::*, string_sizes::*};

use std::ffi::{c_char, CStr};

pub const CLAP_EXT_AUDIO_PORTS: &CStr = cstr!("clap.audio-ports");

pub const CLAP_PORT_MONO: &CStr = cstr!("mono");
pub const CLAP_PORT_STEREO: &CStr = cstr!("stereo");

pub const CLAP_AUDIO_PORT_IS_MAIN: u32 = 1 << 0;
pub const CLAP_AUDIO_PORT_SUPPORTS_64BITS: u32 = 1 << 1;
pub const CLAP_AUDIO_PORT_PREFERS_64BITS: u32 = 1 << 2;
pub const CLAP_AUDIO_PORT_REQUIRES_COMMON_SAMPLE_SIZE: u32 = 1 << 3;

#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct clap_audio_port_info {
    pub id: clap_id,
    pub name: [c_char; CLAP_NAME_SIZE],
    pub flags: u32,
    pub channel_count: u32,
    pub port_type: *const c_char,
    pub in_place_pair: clap_id,
}

unsafe impl Send for clap_audio_port_info {}
unsafe impl Sync for clap_audio_port_info {}

#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct clap_plugin_audio_ports {
    pub count: Option<unsafe extern "C" fn(plugin: *const clap_plugin, is_input: bool) -> u32>,
    pub get: Option<
        unsafe extern "C" fn(
            plugin: *const clap_plugin,
            index: u32,
            is_input: bool,
            info: *mut clap_audio_port_info,
        ) -> bool,
    >,
}

pub const CLAP_AUDIO_PORTS_RESCAN_NAMES: u32 = 1 << 0;
pub const CLAP_AUDIO_PORTS_RESCAN_FLAGS: u32 = 1 << 1;
pub const CLAP_AUDIO_PORTS_RESCAN_CHANNEL_COUNT: u32 = 1 << 2;
pub const CLAP_AUDIO_PORTS_RESCAN_PORT_TYPE: u32 = 1 << 3;
pub const CLAP_AUDIO_PORTS_RESCAN_IN_PLACE_PAIR: u32 = 1 << 4;
pub const CLAP_AUDIO_PORTS_RESCAN_LIST: u32 = 1 << 5;

#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct clap_host_audio_ports {
    pub is_rescan_flag_supported:
        Option<unsafe extern "C" fn(host: *const clap_host, flag: u32) -> bool>,
    pub rescan: Option<unsafe extern "C" fn(host: *const clap_host, flags: u32)>,
}