77 lines
2.8 KiB
Rust
77 lines
2.8 KiB
Rust
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// nih-plug: plugins, but rewritten in Rust
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// Copyright (C) 2022 Robbert van der Helm
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//! Wrappers for different plugin types. Each wrapper has an entry point macro that you can pass the
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//! name of a type that implements `Plugin` to. The macro will handle the rest.
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use std::pin::Pin;
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use crate::plugin::Plugin;
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pub struct Vst3Wrapper<P: Plugin> {
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plugin: Pin<Box<P>>,
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}
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// TODO: Come up with some way to hae Cargo spit out a VST3 module. Is that possible without a
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// custom per-plugin build script?
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#[macro_export]
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macro_rules! nih_export_vst3 {
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($plugin_ty:ty) => {
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// These two entry points are used on Linux, and they would theoretically also be used on
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// the BSDs:
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// https://github.com/steinbergmedia/vst3_public_sdk/blob/c3948deb407bdbff89de8fb6ab8500ea4df9d6d9/source/main/linuxmain.cpp#L47-L52
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#[no_mangle]
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#[cfg(all(target_family = "unix", not(target_os = "macos")))]
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pub extern "C" fn ModuleEntry(_lib_handle: *mut std::ffi::c_void) -> bool {
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true
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}
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#[no_mangle]
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#[cfg(all(target_family = "unix", not(target_os = "macos")))]
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pub extern "C" fn ModuleExit() -> bool {
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true
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}
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// These two entry points are used on macOS:
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// https://github.com/steinbergmedia/vst3_public_sdk/blob/bc459feee68803346737901471441fd4829ec3f9/source/main/macmain.cpp#L60-L61
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#[no_mangle]
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#[cfg(target_os = "macos")]
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pub extern "C" fn bundleEntry(_lib_handle: *mut std::ffi::c_void) -> bool {
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true
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}
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#[no_mangle]
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#[cfg(target_os = "macos")]
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pub extern "C" fn bundleExit() -> bool {
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true
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}
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// And these two entry points are used on Windows:
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// https://github.com/steinbergmedia/vst3_public_sdk/blob/bc459feee68803346737901471441fd4829ec3f9/source/main/dllmain.cpp#L59-L60
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#[no_mangle]
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#[cfg(target_os = "windows")]
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pub extern "system" fn InitModule() -> bool {
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true
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}
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#[no_mangle]
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#[cfg(target_os = "windows")]
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pub extern "system" fn DeinitModule() -> bool {
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true
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}
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};
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}
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