very, very simple WP with midi CC out

2024-10-09 02:01:23 +02:00
commit 3d6fc151f1
126 changed files with 19539 additions and 0 deletions
@@ -0,0 +1,80 @@
+#pragma once
+#include <libremidi/backends/winuwp/config.hpp>
+#include <libremidi/backends/winuwp/helpers.hpp>
+#include <libremidi/backends/winuwp/observer.hpp>
+#include <libremidi/detail/midi_out.hpp>
+
+namespace libremidi
+{
+
+class midi_out_winuwp final
+    : public midi1::out_api
+    , public error_handler
+{
+public:
+  struct
+      : output_configuration
+      , winuwp_output_configuration
+  {
+  } configuration;
+
+  midi_out_winuwp(output_configuration&& conf, winuwp_output_configuration&& apiconf)
+      : configuration{std::move(conf), std::move(apiconf)}
+  {
+    winrt_init();
+  }
+
+  ~midi_out_winuwp() override { close_port(); }
+
+  bool open_virtual_port(std::string_view) override
+  {
+    warning(configuration, "midi_out_winuwp: open_virtual_port unsupported");
+    return false;
+  }
+  void set_client_name(std::string_view) override
+  {
+    warning(configuration, "midi_out_winuwp: set_client_name unsupported");
+  }
+  void set_port_name(std::string_view) override
+  {
+    warning(configuration, "midi_out_winuwp: set_port_name unsupported");
+  }
+
+  libremidi::API get_current_api() const noexcept override { return libremidi::API::WINDOWS_UWP; }
+
+  bool open_port(const output_port& port, std::string_view) override
+  {
+    const auto id = winrt::to_hstring(port.port_name);
+    if (id.empty())
+      return false;
+
+    port_ = get(MidiOutPort::FromIdAsync(id));
+    return bool(port_);
+  }
+
+  void close_port() override
+  {
+    if (port_)
+    {
+      port_.Close();
+      port_ = {};
+    }
+  }
+
+  void send_message(const unsigned char* message, size_t size) override
+  {
+    if (!port_)
+      return;
+
+    InMemoryRandomAccessStream str;
+    DataWriter rb(str);
+    rb.WriteBytes(
+        winrt::array_view<const uint8_t>{(const uint8_t*)message, (const uint8_t*)message + size});
+    port_.SendBuffer(rb.DetachBuffer());
+  }
+
+private:
+  winrt::Windows::Devices::Midi::IMidiOutPort port_{nullptr};
+};
+
+}