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source/plugin/carla-native-plugin.cpp

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+/*
+ * Carla Plugin Host
+ * Copyright (C) 2011-2018 Filipe Coelho <falktx@falktx.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * For a full copy of the GNU General Public License see the doc/GPL.txt file.
+ */
+
+#include "CarlaUtils.hpp"
+#include "CarlaNativePlugin.h"
+
+static uint32_t get_buffer_size(NativeHostHandle)
+{
+    return 128;
+}
+
+static double get_sample_rate(NativeHostHandle)
+{
+    return 44100.0;
+}
+
+static bool is_offline(NativeHostHandle)
+{
+    return false;
+}
+
+int main()
+{
+    const NativePluginDescriptor* const rack = carla_get_native_rack_plugin();
+    CARLA_SAFE_ASSERT_RETURN(rack != nullptr, 1);
+
+    const NativePluginDescriptor* const patchbay = carla_get_native_patchbay_plugin();
+    CARLA_SAFE_ASSERT_RETURN(patchbay != nullptr, 1);
+
+    const char* const resourceDir = get_current_dir_name();
+
+    const NativeHostDescriptor host = {
+        nullptr,
+        resourceDir,
+        "Carla Plugin UI",
+        0,
+
+        get_buffer_size,
+        get_sample_rate,
+        is_offline,
+
+        nullptr, // get_time_info
+        nullptr, // write_midi_event
+
+        nullptr, // ui_parameter_changed
+        nullptr, // ui_midi_program_changed
+        nullptr, // ui_custom_data_changed
+        nullptr, // ui_closed
+
+        nullptr, // ui_open_file
+        nullptr, // ui_save_file
+
+        nullptr, // dispatcher
+
+    };
+    const NativePluginHandle handle = rack->instantiate(&host);
+    CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 1);
+
+    CarlaEngine* const engine = carla_plugin_get_engine(rack, handle);
+    CARLA_SAFE_ASSERT_RETURN(engine != nullptr, 1);
+
+    carla_stdout("Got Engine %p, %s, %i, %f",
+                 engine, engine->getName(), engine->getBufferSize(), engine->getSampleRate());
+
+    rack->cleanup(handle);
+    return 0;
+}