Also mode the factory to its own module
Now you can finally find the thing you're looking for.
This commit is contained in:
Robbert van der Helm
parent
05b9d4dd0b
commit
0ddfae1dd3
2 changed files with 163 additions and 146 deletions
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@ -14,158 +14,17 @@
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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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use std::ffi::c_void;
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use std::marker::PhantomData;
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use std::mem;
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use vst3_sys::base::{kInvalidArgument, kNoInterface, kResultOk, tresult};
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use vst3_sys::base::{IPluginFactory, IPluginFactory2, IPluginFactory3};
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use vst3_sys::VST3;
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mod context;
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mod inner;
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#[macro_use]
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mod util;
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mod context;
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mod factory;
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mod inner;
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mod view;
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mod wrapper;
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use self::wrapper::Wrapper;
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use crate::plugin::Vst3Plugin;
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use crate::wrapper::util::{strlcpy, u16strlcpy};
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// Alias needed for the VST3 attribute macro
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use vst3_sys as vst3_com;
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/// Re-export for the wrapper.
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pub use vst3_sys::sys::GUID;
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/// The VST3 SDK version this is roughtly based on.
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const VST3_SDK_VERSION: &str = "VST 3.6.14";
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#[doc(hidden)]
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#[VST3(implements(IPluginFactory, IPluginFactory2, IPluginFactory3))]
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pub struct Factory<P: Vst3Plugin> {
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/// The type will be used for constructing plugin instances later.
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_phantom: PhantomData<P>,
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}
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impl<P: Vst3Plugin> Factory<P> {
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pub fn new() -> Box<Self> {
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Self::allocate(PhantomData::default())
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}
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}
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impl<P: Vst3Plugin> IPluginFactory for Factory<P> {
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unsafe fn get_factory_info(&self, info: *mut vst3_sys::base::PFactoryInfo) -> tresult {
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*info = mem::zeroed();
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let info = &mut *info;
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strlcpy(&mut info.vendor, P::VENDOR);
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strlcpy(&mut info.url, P::URL);
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strlcpy(&mut info.email, P::EMAIL);
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info.flags = vst3_sys::base::FactoryFlags::kUnicode as i32;
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kResultOk
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}
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unsafe fn count_classes(&self) -> i32 {
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// We don't do shell plugins, and good of an idea having separated components and edit
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// controllers in theory is, few software can use it, and doing that would make our simple
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// microframework a lot less simple
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1
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}
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unsafe fn get_class_info(&self, index: i32, info: *mut vst3_sys::base::PClassInfo) -> tresult {
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if index != 0 {
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return kInvalidArgument;
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}
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*info = mem::zeroed();
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let info = &mut *info;
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info.cid.data = P::VST3_CLASS_ID;
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info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
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strlcpy(&mut info.category, "Audio Module Class");
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strlcpy(&mut info.name, P::NAME);
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kResultOk
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}
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unsafe fn create_instance(
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&self,
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cid: *const vst3_sys::IID,
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_iid: *const vst3_sys::IID,
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obj: *mut *mut vst3_sys::c_void,
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) -> tresult {
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check_null_ptr!(cid, obj);
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if (*cid).data != P::VST3_CLASS_ID {
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return kNoInterface;
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}
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*obj = Box::into_raw(Wrapper::<P>::new()) as *mut vst3_sys::c_void;
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kResultOk
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}
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}
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impl<P: Vst3Plugin> IPluginFactory2 for Factory<P> {
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unsafe fn get_class_info2(
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&self,
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index: i32,
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info: *mut vst3_sys::base::PClassInfo2,
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) -> tresult {
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if index != 0 {
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return kInvalidArgument;
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}
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*info = mem::zeroed();
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let info = &mut *info;
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info.cid.data = P::VST3_CLASS_ID;
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info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
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strlcpy(&mut info.category, "Audio Module Class");
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strlcpy(&mut info.name, P::NAME);
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info.class_flags = 1 << 1; // kSimpleModeSupported
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strlcpy(&mut info.subcategories, P::VST3_CATEGORIES);
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strlcpy(&mut info.vendor, P::VENDOR);
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strlcpy(&mut info.version, P::VERSION);
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strlcpy(&mut info.sdk_version, VST3_SDK_VERSION);
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kResultOk
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}
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}
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impl<P: Vst3Plugin> IPluginFactory3 for Factory<P> {
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unsafe fn get_class_info_unicode(
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&self,
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index: i32,
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info: *mut vst3_sys::base::PClassInfoW,
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) -> tresult {
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if index != 0 {
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return kInvalidArgument;
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}
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*info = mem::zeroed();
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let info = &mut *info;
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info.cid.data = P::VST3_CLASS_ID;
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info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
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strlcpy(&mut info.category, "Audio Module Class");
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u16strlcpy(&mut info.name, P::NAME);
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info.class_flags = 1 << 1; // kSimpleModeSupported
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strlcpy(&mut info.subcategories, P::VST3_CATEGORIES);
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u16strlcpy(&mut info.vendor, P::VENDOR);
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u16strlcpy(&mut info.version, P::VERSION);
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u16strlcpy(&mut info.sdk_version, VST3_SDK_VERSION);
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kResultOk
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}
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unsafe fn set_host_context(&self, _context: *mut c_void) -> tresult {
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// We don't need to do anything with this
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kResultOk
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}
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}
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pub use factory::Factory;
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/// Export a VST3 plugin from this library using the provided plugin type.
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#[macro_export]
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158
src/wrapper/vst3/factory.rs
Normal file
158
src/wrapper/vst3/factory.rs
Normal file
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@ -0,0 +1,158 @@
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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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use std::ffi::c_void;
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use std::marker::PhantomData;
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use std::mem;
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use vst3_sys::base::{kInvalidArgument, kNoInterface, kResultOk, tresult};
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use vst3_sys::base::{IPluginFactory, IPluginFactory2, IPluginFactory3};
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use vst3_sys::VST3;
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// Alias needed for the VST3 attribute macro
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use vst3_sys as vst3_com;
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use super::wrapper::Wrapper;
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use crate::plugin::Vst3Plugin;
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use crate::wrapper::util::{strlcpy, u16strlcpy};
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/// The VST3 SDK version this is roughtly based on.
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const VST3_SDK_VERSION: &str = "VST 3.6.14";
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#[doc(hidden)]
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#[VST3(implements(IPluginFactory, IPluginFactory2, IPluginFactory3))]
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pub struct Factory<P: Vst3Plugin> {
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/// The type will be used for constructing plugin instances later.
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_phantom: PhantomData<P>,
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}
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impl<P: Vst3Plugin> Factory<P> {
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pub fn new() -> Box<Self> {
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Self::allocate(PhantomData::default())
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}
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}
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impl<P: Vst3Plugin> IPluginFactory for Factory<P> {
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unsafe fn get_factory_info(&self, info: *mut vst3_sys::base::PFactoryInfo) -> tresult {
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*info = mem::zeroed();
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let info = &mut *info;
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strlcpy(&mut info.vendor, P::VENDOR);
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strlcpy(&mut info.url, P::URL);
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strlcpy(&mut info.email, P::EMAIL);
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info.flags = vst3_sys::base::FactoryFlags::kUnicode as i32;
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kResultOk
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}
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unsafe fn count_classes(&self) -> i32 {
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// We don't do shell plugins, and good of an idea having separated components and edit
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// controllers in theory is, few software can use it, and doing that would make our simple
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// microframework a lot less simple
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1
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}
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unsafe fn get_class_info(&self, index: i32, info: *mut vst3_sys::base::PClassInfo) -> tresult {
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if index != 0 {
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return kInvalidArgument;
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}
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*info = mem::zeroed();
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let info = &mut *info;
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info.cid.data = P::VST3_CLASS_ID;
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info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
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strlcpy(&mut info.category, "Audio Module Class");
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strlcpy(&mut info.name, P::NAME);
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kResultOk
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}
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unsafe fn create_instance(
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&self,
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cid: *const vst3_sys::IID,
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_iid: *const vst3_sys::IID,
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obj: *mut *mut vst3_sys::c_void,
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) -> tresult {
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check_null_ptr!(cid, obj);
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if (*cid).data != P::VST3_CLASS_ID {
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return kNoInterface;
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}
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*obj = Box::into_raw(Wrapper::<P>::new()) as *mut vst3_sys::c_void;
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kResultOk
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}
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}
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impl<P: Vst3Plugin> IPluginFactory2 for Factory<P> {
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unsafe fn get_class_info2(
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&self,
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index: i32,
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info: *mut vst3_sys::base::PClassInfo2,
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) -> tresult {
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if index != 0 {
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return kInvalidArgument;
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}
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*info = mem::zeroed();
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let info = &mut *info;
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info.cid.data = P::VST3_CLASS_ID;
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info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
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strlcpy(&mut info.category, "Audio Module Class");
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strlcpy(&mut info.name, P::NAME);
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info.class_flags = 1 << 1; // kSimpleModeSupported
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strlcpy(&mut info.subcategories, P::VST3_CATEGORIES);
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strlcpy(&mut info.vendor, P::VENDOR);
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strlcpy(&mut info.version, P::VERSION);
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strlcpy(&mut info.sdk_version, VST3_SDK_VERSION);
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kResultOk
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}
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}
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impl<P: Vst3Plugin> IPluginFactory3 for Factory<P> {
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unsafe fn get_class_info_unicode(
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&self,
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index: i32,
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info: *mut vst3_sys::base::PClassInfoW,
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) -> tresult {
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if index != 0 {
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return kInvalidArgument;
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}
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*info = mem::zeroed();
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let info = &mut *info;
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info.cid.data = P::VST3_CLASS_ID;
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info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
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strlcpy(&mut info.category, "Audio Module Class");
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u16strlcpy(&mut info.name, P::NAME);
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info.class_flags = 1 << 1; // kSimpleModeSupported
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strlcpy(&mut info.subcategories, P::VST3_CATEGORIES);
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u16strlcpy(&mut info.vendor, P::VENDOR);
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u16strlcpy(&mut info.version, P::VERSION);
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u16strlcpy(&mut info.sdk_version, VST3_SDK_VERSION);
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kResultOk
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}
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unsafe fn set_host_context(&self, _context: *mut c_void) -> tresult {
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// We don't need to do anything with this
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kResultOk
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}
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}
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