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Implement IPluginFactory2 and IPluginFactory3

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This commit is contained in:
Robbert van der Helm 2022-01-26 22:23:44 +01:00
parent 9046cfbe3a
commit 22be850d9e
1 changed files with 72 additions and 12 deletions
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84
src/wrapper/vst3.rs
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@ -30,6 +30,9 @@ use crate::wrapper::util::{strlcpy, u16strlcpy};
/// Re-export for the wrapper.
pub use vst3_sys::sys::GUID;
/// The VST3 SDK version this is roughtly based on.
const VST3_SDK_VERSION: &'static str = "VST 3.6.14";
#[VST3(implements(IComponent))]
pub struct Wrapper<P: Plugin> {
plugin: P,
@ -81,7 +84,7 @@ impl<P: Plugin> IComponent for Wrapper<P> {
) -> i32 {
// All plugins currently only have a single input and a single output bus
match type_ {
x if x == vst3_com::vst::MediaTypes::kAudio as i32 => 1,
x if x == vst3_sys::vst::MediaTypes::kAudio as i32 => 1,
_ => 0,
}
}
@ -94,23 +97,23 @@ impl<P: Plugin> IComponent for Wrapper<P> {
info: *mut vst3_sys::vst::BusInfo,
) -> tresult {
match type_ {
t if t == vst3_com::vst::MediaTypes::kAudio as i32 => {
t if t == vst3_sys::vst::MediaTypes::kAudio as i32 => {
*info = mem::zeroed();
let info = &mut *info;
info.media_type = vst3_com::vst::MediaTypes::kAudio as i32;
info.bus_type = vst3_com::vst::BusTypes::kMain as i32;
info.flags = vst3_com::vst::BusFlags::kDefaultActive as u32;
info.media_type = vst3_sys::vst::MediaTypes::kAudio as i32;
info.bus_type = vst3_sys::vst::BusTypes::kMain as i32;
info.flags = vst3_sys::vst::BusFlags::kDefaultActive as u32;
match (dir, index) {
(d, 0) if d == vst3_com::vst::BusDirections::kInput as i32 => {
info.direction = vst3_com::vst::BusDirections::kInput as i32;
(d, 0) if d == vst3_sys::vst::BusDirections::kInput as i32 => {
info.direction = vst3_sys::vst::BusDirections::kInput as i32;
info.channel_count = self.current_bus_config.num_input_channels as i32;
u16strlcpy(&mut info.name, "Input");
kResultOk
}
(d, 0) if d == vst3_com::vst::BusDirections::kOutput as i32 => {
info.direction = vst3_com::vst::BusDirections::kOutput as i32;
(d, 0) if d == vst3_sys::vst::BusDirections::kOutput as i32 => {
info.direction = vst3_sys::vst::BusDirections::kOutput as i32;
info.channel_count = self.current_bus_config.num_output_channels as i32;
u16strlcpy(&mut info.name, "Output");
@ -174,9 +177,7 @@ impl<P: Plugin> IComponent for Wrapper<P> {
}
}
// TODO: Implement the rest
// #[VST3(implements(IPluginFactory, IPluginFactory2, IPluginFactory3))]
#[VST3(implements(IPluginFactory))]
#[VST3(implements(IPluginFactory, IPluginFactory2, IPluginFactory3))]
pub struct Factory<P: Plugin> {
/// The exposed plugin's GUID. Instead of generating this, we'll just let the programmer decide
/// on their own.
@ -243,6 +244,65 @@ impl<P: Plugin> IPluginFactory for Factory<P> {
}
}
impl<P: Plugin> IPluginFactory2 for Factory<P> {
unsafe fn get_class_info2(
&self,
index: i32,
info: *mut vst3_sys::base::PClassInfo2,
) -> tresult {
if index != 0 {
return kInvalidArgument;
}
*info = mem::zeroed();
let info = &mut *info;
info.cid = self.cid;
info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
strlcpy(&mut info.category, "Audio Module Class");
strlcpy(&mut info.name, P::NAME);
info.class_flags = 1 << 1; // kSimpleModeSupported
strlcpy(&mut info.subcategories, P::VST3_CATEGORIES);
strlcpy(&mut info.vendor, P::VENDOR);
strlcpy(&mut info.version, P::VERSION);
strlcpy(&mut info.sdk_version, VST3_SDK_VERSION);
kResultOk
}
}
impl<P: Plugin> IPluginFactory3 for Factory<P> {
unsafe fn get_class_info_unicode(
&self,
index: i32,
info: *mut vst3_sys::base::PClassInfoW,
) -> tresult {
if index != 0 {
return kInvalidArgument;
}
*info = mem::zeroed();
let info = &mut *info;
info.cid = self.cid;
info.cardinality = vst3_sys::base::ClassCardinality::kManyInstances as i32;
strlcpy(&mut info.category, "Audio Module Class");
u16strlcpy(&mut info.name, P::NAME);
info.class_flags = 1 << 1; // kSimpleModeSupported
strlcpy(&mut info.subcategories, P::VST3_CATEGORIES);
u16strlcpy(&mut info.vendor, P::VENDOR);
u16strlcpy(&mut info.version, P::VERSION);
u16strlcpy(&mut info.sdk_version, VST3_SDK_VERSION);
kResultOk
}
unsafe fn set_host_context(&self, _context: *mut c_void) -> tresult {
// We don't need to do anything with this
kResultOk
}
}
/// Export a VST3 plugin from this library using the provided plugin type and a 4x4 character class
/// ID. This CID should be a `[u8; 16]`. You can use the `*b"fooofooofooofooo"` syntax for this.
///