Implemented InputNode

src/midi/CMakeLists.txt

@@ -1,4 +1,5 @@
-add_library(midi 
+add_library(midi STATIC
+    InputNode.cpp
     InputObserver.cpp
     MidiEngine.cpp
     MidiGraph.cpp

src/midi/InputNode.cpp

@@ -0,0 +1,34 @@
+#include "InputNode.hpp"
+
+#include "MidiProbe.hpp"
+
+#include <spdlog/spdlog.h>
+
+mc::midi::InputNode::InputNode(const InputInfo& info)
+    : m_info(info), m_midi_in(RtMidi::UNSPECIFIED, MidiProbe::get_midi_client_name())
+{
+    m_midi_in.setCallback(message_callback, this);
+    m_midi_in.setErrorCallback(error_callback, nullptr);
+    m_midi_in.openPort(m_info.m_id);
+}
+
+void mc::midi::InputNode::enable_message_types(const MessageTypeMask& mask)
+{
+    m_midi_in.ignoreTypes(!mask.m_sysex_enabled, !mask.m_time_enabled, !mask.m_sensing_enabled);
+}
+
+void mc::midi::InputNode::message_callback(double                      time_stamp,
+                                           std::vector<unsigned char>* message,
+                                           void*                       user_data)
+{
+    auto* instance = static_cast<InputNode*>(user_data);
+    instance->broadcast_data(*message);
+    instance->raise_message_received(instance->m_info.m_id, *message);
+}
+
+void mc::midi::InputNode::error_callback(RtMidiError::Type  error_code,
+                                         const std::string& message,
+                                         void*              user_data)
+{
+    spdlog::error("Error {} occured in MIDI input: \"{}\"", static_cast<int>(error_code), message);
+}

src/midi/InputNode.hpp

@@ -0,0 +1,32 @@
+#pragma once
+#include "InputObserver.hpp"
+#include "MidiEngine.hpp"
+#include "MidiGraph.hpp"
+#include "MidiInfo.hpp"
+
+#include "RtMidi.h"
+
+namespace mc::midi
+{
+
+class InputNode final : public Node, public InputObservable
+{
+public:
+    explicit InputNode(const InputInfo& info);
+
+    void enable_message_types(const MessageTypeMask& mask);
+
+private:
+    static void message_callback(double                      time_stamp,
+                                 std::vector<unsigned char>* message,
+                                 void*                       user_data);
+
+    static void error_callback(RtMidiError::Type  error_code,
+                               const std::string& message,
+                               void*              user_data);
+
+    InputInfo m_info;
+    RtMidiIn  m_midi_in;
+};
+
+} // namespace mc::midi