Add processes for midi hi-res conversion to float

src/plugins/score-plugin-fx/CMakeLists.txt

@@ -7,6 +7,7 @@ set(HDRS
   "${CMAKE_CURRENT_SOURCE_DIR}/Fx/ClassicalBeat.hpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/Fx/TestNode.hpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/Fx/MidiUtil.hpp"
+  "${CMAKE_CURRENT_SOURCE_DIR}/Fx/MidiHiRes.hpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/Fx/AngleNode.hpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/Fx/VelToNote.hpp"
   "${CMAKE_CURRENT_SOURCE_DIR}/Fx/FactorOracle.hpp"

src/plugins/score-plugin-fx/Fx/MidiHiRes.hpp

@@ -0,0 +1,100 @@
+#pragma once
+#include <Engine/Node/SimpleApi.hpp>
+#include <ossia/network/value/value_conversion.hpp>
+
+namespace Nodes
+{
+namespace MidiHiRes
+{
+struct Input
+{
+  struct Metadata : Control::Meta_base
+  {
+    static const constexpr auto prettyName = "Midi hi-res input";
+    static const constexpr auto objectKey = "MidiHiResIn";
+    static const constexpr auto category = "Midi";
+    static const constexpr auto author = "ossia score";
+    static const constexpr auto kind = Process::ProcessCategory::MidiEffect;
+    static const constexpr auto description = "Creates a float from MSB/LSB CCs";
+    static const constexpr auto tags = std::array<const char*, 0>{};
+    static const uuid_constexpr auto uuid
+        = make_uuid("28ca746e-c304-4ba6-bd5b-78934a1dec55");
+
+    static const constexpr value_in value_ins[]{{"msb", false}, {"lsb", false}};
+    static const constexpr value_out value_outs[]{"int", "float"};
+  };
+
+  using control_policy = ossia::safe_nodes::default_tick;
+
+  static void
+  run(const ossia::value_port& msb,
+      const ossia::value_port& lsb,
+      ossia::value_port& out,
+      ossia::value_port& out_f,
+      const ossia::token_request& tk,
+      ossia::exec_state_facade st)
+  {
+    auto& msbs = msb.get_data();
+    auto& lsbs = msb.get_data();
+    if(msbs.empty() && lsbs.empty())
+      return;
+
+    const auto m = msbs.empty() ? 0 : ossia::convert<int>(msbs.back().value);
+    const auto l = lsbs.empty() ? 0 : ossia::convert<int>(lsbs.back().value);
+
+    auto [start, dur] = st.timings(tk);
+    out.write_value(m * 127 + l, start);
+    out_f.write_value(double(m * 127 + l) / (128. * 128.), start);
+  }
+};
+
+struct Output
+{
+  struct Metadata : Control::Meta_base
+  {
+    static const constexpr auto prettyName = "Midi hi-res output";
+    static const constexpr auto objectKey = "MidiHiResOut";
+    static const constexpr auto category = "Midi";
+    static const constexpr auto author = "ossia score";
+    static const constexpr auto kind = Process::ProcessCategory::MidiEffect;
+    static const constexpr auto description = "Creates MIDI LSB/MSB from a 0-16384 or 0-1 value";
+    static const constexpr auto tags = std::array<const char*, 0>{};
+    static const uuid_constexpr auto uuid = make_uuid("d6f5173b-b823-4571-b31f-660832b6132b");
+
+    static const constexpr value_in value_ins[]{"int", "float"};
+    static const constexpr value_out value_outs[]{"msb", "lsb"};
+  };
+
+  using control_policy = ossia::safe_nodes::default_tick;
+
+  static void
+  run(const ossia::value_port& in,
+      const ossia::value_port& in_f,
+      ossia::value_port& msb,
+      ossia::value_port& lsb,
+      const ossia::token_request& tk,
+      ossia::exec_state_facade st)
+  {
+    for(auto& [val, t] : in.get_data())
+    {
+        const int32_t v = ossia::convert<int>(val);
+        const int32_t m = ossia::clamp(int32_t(v / 127), 0, 127);
+        const int32_t l = ossia::clamp(int32_t(v - m * 127), 0, 127);
+
+        msb.write_value(m, t);
+        lsb.write_value(l, t);
+    }
+
+    for(auto& [val, t] : in_f.get_data())
+    {
+      const float v = ossia::convert<float>(val) * (128. * 128.);
+      const int32_t m = ossia::clamp(int32_t(v / 127.), 0, 127);
+      const int32_t l = ossia::clamp(int32_t(v - m * 127), 0, 127);
+
+      msb.write_value(m, t);
+      lsb.write_value(l, t);
+    }
+  }
+};
+}
+}

src/plugins/score-plugin-fx/score_plugin_fx.cpp

@@ -28,6 +28,7 @@
 #include <Fx/MathGenerator.hpp>
 #include <Fx/MathMapping.hpp>
 #include <Fx/Metro.hpp>
+#include <Fx/MidiHiRes.hpp>
 #include <Fx/MidiUtil.hpp>
 #include <Fx/Quantifier.hpp>
 #include <Fx/TestNode.hpp>
@@ -57,6 +58,8 @@ std::vector<std::unique_ptr<score::InterfaceBase>> score_plugin_fx::factories(
       Nodes::ClassicalBeat::Node,
       Nodes::LFO::Node,
       Nodes::Chord::Node,
+      Nodes::MidiHiRes::Input,
+      Nodes::MidiHiRes::Output,
       Nodes::MidiUtil::Node,
       Nodes::Gain::Node,
       Nodes::Metro::Node,