From 51dace591d293add3efd6ec6d957b5cf1ed66b6e Mon Sep 17 00:00:00 2001
From: Robbert van der Helm <mail@robbertvanderhelm.nl>
Date: Fri, 4 Feb 2022 01:26:36 +0100
Subject: [PATCH] Add an event bus depending on ACCEPTS_MIDI
---
src/wrapper/vst3.rs | 41 +++++++++++++++++++++++++++++++++++------
1 file changed, 35 insertions(+), 6 deletions(-)
diff --git a/src/wrapper/vst3.rs b/src/wrapper/vst3.rs
index 37dae008..2f5b395c 100644
--- a/src/wrapper/vst3.rs
+++ b/src/wrapper/vst3.rs
@@ -352,11 +352,17 @@ impl<P: Plugin> IComponent for Wrapper<'_, P> {
unsafe fn get_bus_count(
&self,
type_: vst3_sys::vst::MediaType,
- _dir: vst3_sys::vst::BusDirection,
+ dir: vst3_sys::vst::BusDirection,
) -> i32 {
// All plugins currently only have a single input and a single output bus
match type_ {
x if x == vst3_sys::vst::MediaTypes::kAudio as i32 => 1,
+ x if x == vst3_sys::vst::MediaTypes::kEvent as i32
+ && dir == vst3_sys::vst::BusDirections::kInput as i32
+ && P::ACCEPTS_MIDI =>
+ {
+ 1
+ }
_ => 0,
}
}
@@ -370,8 +376,8 @@ impl<P: Plugin> IComponent for Wrapper<'_, P> {
) -> tresult {
check_null_ptr!(info);
- match type_ {
- t if t == vst3_sys::vst::MediaTypes::kAudio as i32 => {
+ match (type_, dir, index) {
+ (t, _, _) if t == vst3_sys::vst::MediaTypes::kAudio as i32 => {
*info = mem::zeroed();
let info = &mut *info;
@@ -398,6 +404,22 @@ impl<P: Plugin> IComponent for Wrapper<'_, P> {
_ => kInvalidArgument,
}
}
+ (t, d, 0)
+ if t == vst3_sys::vst::MediaTypes::kEvent as i32
+ && d == vst3_sys::vst::BusDirections::kInput as i32
+ && P::ACCEPTS_MIDI =>
+ {
+ *info = mem::zeroed();
+
+ let info = &mut *info;
+ info.media_type = vst3_sys::vst::MediaTypes::kEvent as i32;
+ info.direction = vst3_sys::vst::BusDirections::kInput as i32;
+ info.channel_count = 16;
+ u16strlcpy(&mut info.name, "MIDI");
+ info.bus_type = vst3_sys::vst::BusTypes::kMain as i32;
+ info.flags = vst3_sys::vst::BusFlags::kDefaultActive as u32;
+ kResultOk
+ }
_ => kInvalidArgument,
}
}
@@ -428,13 +450,20 @@ impl<P: Plugin> IComponent for Wrapper<'_, P> {
unsafe fn activate_bus(
&self,
type_: vst3_sys::vst::MediaType,
- _dir: vst3_sys::vst::BusDirection,
+ dir: vst3_sys::vst::BusDirection,
index: i32,
_state: vst3_sys::base::TBool,
) -> tresult {
// We don't need any special handling here
- match (type_, index) {
- (t, 0) if t == vst3_sys::vst::MediaTypes::kAudio as i32 => kResultOk,
+ match (type_, dir, index) {
+ (t, _, 0) if t == vst3_sys::vst::MediaTypes::kAudio as i32 => kResultOk,
+ (t, d, 0)
+ if t == vst3_sys::vst::MediaTypes::kEvent as i32
+ && d == vst3_sys::vst::BusDirections::kInput as i32
+ && P::ACCEPTS_MIDI =>
+ {
+ kResultOk
+ }
_ => kInvalidArgument,
}
}