From b883a611abfdd1d50b380943035facb590c3d990 Mon Sep 17 00:00:00 2001
From: Robbert van der Helm <mail@robbertvanderhelm.nl>
Date: Sun, 11 Sep 2022 16:41:31 +0200
Subject: [PATCH] Fix resizing aux input storage on buffer size

This nested `resize_with()` of course wouldn't resize the inner vectors
of the outer ones were already the correct size.
---
 src/wrapper/clap/wrapper.rs | 15 +++++++++------
 src/wrapper/vst3/wrapper.rs | 20 +++++++++++---------
 2 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/src/wrapper/clap/wrapper.rs b/src/wrapper/clap/wrapper.rs
index 2de3e92a..42d5c96f 100644
--- a/src/wrapper/clap/wrapper.rs
+++ b/src/wrapper/clap/wrapper.rs
@@ -1719,12 +1719,15 @@ impl<P: ClapPlugin> Wrapper<P> {
             // inputs. The slices will be assigned in the process function as this object may have
             // been moved before then.
             let mut aux_input_storage = wrapper.aux_input_storage.borrow_mut();
-            aux_input_storage.resize_with(bus_config.aux_input_busses.num_busses as usize, || {
-                vec![
-                    vec![0.0; max_frames_count as usize];
-                    bus_config.aux_input_busses.num_channels as usize
-                ]
-            });
+            aux_input_storage
+                .resize_with(bus_config.aux_input_busses.num_busses as usize, Vec::new);
+            for bus_storage in aux_input_storage.iter_mut() {
+                bus_storage
+                    .resize_with(bus_config.aux_input_busses.num_channels as usize, Vec::new);
+                for channel_storage in bus_storage {
+                    channel_storage.resize(max_frames_count as usize, 0.0);
+                }
+            }
 
             let mut aux_input_buffers = wrapper.aux_input_buffers.borrow_mut();
             aux_input_buffers.resize_with(
diff --git a/src/wrapper/vst3/wrapper.rs b/src/wrapper/vst3/wrapper.rs
index 1c226459..0e9fa245 100644
--- a/src/wrapper/vst3/wrapper.rs
+++ b/src/wrapper/vst3/wrapper.rs
@@ -413,15 +413,17 @@ impl<P: Vst3Plugin> IComponent for Wrapper<P> {
                     // sidechain inputs. The slices will be assigned in the process function as this
                     // object may have been moved before then.
                     let mut aux_input_storage = self.inner.aux_input_storage.borrow_mut();
-                    aux_input_storage.resize_with(
-                        bus_config.aux_input_busses.num_busses as usize,
-                        || {
-                            vec![
-                                vec![0.0; buffer_config.max_buffer_size as usize];
-                                bus_config.aux_input_busses.num_channels as usize
-                            ]
-                        },
-                    );
+                    aux_input_storage
+                        .resize_with(bus_config.aux_input_busses.num_busses as usize, Vec::new);
+                    for bus_storage in aux_input_storage.iter_mut() {
+                        bus_storage.resize_with(
+                            bus_config.aux_input_busses.num_channels as usize,
+                            Vec::new,
+                        );
+                        for channel_storage in bus_storage {
+                            channel_storage.resize(buffer_config.max_buffer_size as usize, 0.0);
+                        }
+                    }
 
                     let mut aux_input_buffers = self.inner.aux_input_buffers.borrow_mut();
                     aux_input_buffers.resize_with(