Fix incorrect definition for vst_host_callback_t

Late night coding while sleepy tends to invite mistakes.

.github/workflows/documentation.yml

@@ -0,0 +1,84 @@
+name: Generate Documentation
+
+on:
+  push:
+    branches:
+      - 'root'
+      - '!documentation'
+    paths:
+      - '.github/workflows/documentation.yml'
+      - 'LICENSE'
+
+jobs:
+  docs:
+    name: "Generate Documentation"
+    runs-on: ubuntu-latest
+    steps:    
+    - name: "Set up Git"
+      shell: bash
+      run: |
+        git config --global user.name 'GitHub Actions'
+        git config --global user.email 'xaymar@users.noreply.github.com'
+        git config --global pull.ff only
+        git config --global pull.rebase true
+
+    - name: "Clone"
+      uses: actions/checkout@v3
+      with:
+        submodules: 'recursive'
+        fetch-depth: 0
+
+    - name: "Clone Documentation Cache"
+      id: doc_cache
+      continue-on-error: true
+      uses: actions/checkout@v3      
+      with:      
+        ref: 'documentation'
+        path: 'build/docs/html'
+        submodules: 'recursive'
+        fetch-depth: 0
+
+    - name: "Initialize Documentation Cache"
+      if: steps.doc_cache.outcome == 'failure'
+      shell: bash
+      run: |
+        mkdir -p build/docs/html
+        pushd build/docs/html
+        git init
+        git switch --orphan documentation
+        git remote remove origin
+        git remote add -t documentation origin ${{ github.repositoryUrl }}
+        popd
+
+    - name: "Install Prerequisites"
+      shell: bash
+      run: |
+        sudo apt-get install -y clang-19 clang-tools-19 doxygen graphviz 
+
+    - name: "Generate Documentation"
+      shell: bash
+      run: |
+        doxygen Doxyfile
+
+    - name: "Update Documentation"
+      shell: bash
+      run: |
+        pushd build/docs/html
+        git add .
+        git --no-pager diff --patch --minimal HEAD -- || true
+        git update-index --refresh
+        if ! git diff-index --quiet HEAD -- &> /dev/null; then
+          git commit -a -m "${{ github.sha }}"
+
+          # Only push from master branch.
+          if [[ "${{ github.ref }}" == "refs/heads/root" ]]; then
+            git push --set-upstream origin documentation
+            echo "Documentation has been updated!"
+          else
+            git log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit
+          fi
+        else
+          echo "Documentation is still up to date."
+        fi
+        popd
+

.gitignore

@@ -0,0 +1,2 @@
+/docs
+/build

vst.hpp

@@ -0,0 +1,39 @@
+/* An attempt at an untained clean room reimplementation of the widely popular VST 2.x SDK.
+ * Copyright (c) 2020 Xaymar Dirks <info@xaymar.com> (previously known as Michael Fabian Dirks)
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
+ * following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
+ *    disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
+ *    following disclaimer in the documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+// Please refer to README.md and LICENSE for further information.
+
+// Protect against double inclusion in practically every compiler available.
+#pragma once
+#ifndef VST2SDK_VST_HPP
+#define VST2SDK_VST_HPP
+
+#include "vst.h"
+
+// Variable size variant of vst_speaker_arrangement.
+template<size_t T>
+struct vst_speaker_arrangement_dynamic_t {
+	VST_ARRANGEMENT_TYPE   type; // See VST_SPEAKER_ARRANGEMENT_TYPE
+	int32_t                channels; // Number of channels in speakers.
+	vst_speaker_properties_t speakers[T]; // Array of speaker properties, actual size defined by channels.
+};
+
+#endif