Initial VST3 Support (disabled)

Disabled until Steinberg licensing compliance  can be sorted out.

src/Vst3test.cpp

@@ -0,0 +1,149 @@
+/*
+ * MIT License
+ * 
+ * Copyright (c) 2022 Robin E. R. Davies
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "PiPedalHost.hpp"
+#include "vst3/Vst3Host.hpp"
+#include <iostream>
+
+using namespace pipedal;
+using namespace std;
+
+void EnumerateVst3Plugins()
+{
+    cout << "--- Enumeration Test --------" << endl;
+    Vst3Host::Ptr vst3Host = Vst3Host::CreateInstance();
+    vst3Host->RescanPlugins();
+
+
+    vst3Host->RefreshPlugins();
+}
+
+
+void CheckSync(IEffect*effect)
+{
+    Vst3Effect *vst3Effect = (Vst3Effect*)effect;
+
+    vst3Effect->CheckSync();
+}
+
+void TestPrograms(const Vst3PluginInfo &info, Vst3Effect *effect)
+{
+    for (size_t i = 0; i < info.pluginInfo_.port_groups().size(); ++i)
+    {
+        const auto &port_group = info.pluginInfo_.port_groups()[i];
+        if (port_group.program_list_id() != -1)
+        {
+            auto programList = effect->GetProgramList(port_group.program_list_id());
+            for (const auto& programGroup: programList)
+            {
+                cout <<"        " << port_group.program_list_id() << " " << programGroup.name  << " (" << programGroup.programs.size() <<  " programs)" << std::endl;
+                // for (const auto&program: programGroup.programs)
+                // {
+                //     cout << "             " << program.id << " " << program.name << endl;
+                // }
+            }
+        }
+    }    
+}
+
+void RunVsts()
+{
+    cout << "--- RunVsts ----------------" << endl;
+    Vst3Host::Ptr vst3Host = Vst3Host::CreateInstance();
+
+    cout << "Scanning" << endl;
+    const auto & plugins = vst3Host->RescanPlugins();
+
+    PiPedalHost host;
+
+    IHost *pHost = host.asIHost();
+    host.setSampleRate(44100);
+
+    for (const auto & info : plugins)
+    {
+
+        cout << "   Running " << info->pluginInfo_.name() << endl;
+        auto  plugin = vst3Host->CreatePlugin(0,info->pluginInfo_.uri(),pHost);
+
+        int nInputs = info->pluginInfo_.audio_inputs();
+        int nOutputs = info->pluginInfo_.audio_outputs();
+
+        plugin->Prepare(host.GetSampleRate(),pHost->GetMaxAudioBufferSize(),info->pluginInfo_.audio_inputs(), info->pluginInfo_.audio_outputs());
+
+        plugin->Activate();
+
+        std::vector<float*> inputs;
+        std::vector<float*> outputs;
+        inputs.resize(nInputs);
+        for (int i = 0; i < nInputs; ++i)
+        {
+             inputs[i] = new float[512];
+             plugin->SetAudioInputBuffer(i,inputs[i]);
+
+             for (int j = 0; j < 512; ++j)
+             {
+                inputs[i][j] = j / 512.0;
+             }
+        }
+        outputs.resize(nOutputs);
+        for (int i = 0; i < nOutputs; ++i) 
+        {
+            outputs[i] = new float[512];
+            plugin->SetAudioOutputBuffer(i,outputs[i]);
+        }
+
+        plugin->Run(512,nullptr);
+
+        for (int i = 0; i < info->pluginInfo_.controls().size(); ++i)
+        {
+            float v = plugin->GetControlValue(i);
+            plugin->SetControl(i,v);
+
+            plugin->Run(0,nullptr);
+
+            plugin->CheckSync();
+        }
+
+        TestPrograms(*info,plugin.get());
+
+        plugin->Deactivate();
+    }
+
+    
+
+}
+
+void BugReportTest();
+
+int main(int, char**)
+{
+    BugReportTest();
+    
+    RunVsts();
+
+    EnumerateVst3Plugins();
+
+
+    return 0;   
+}