Tone Generation

src/vamp_zero/portal.cpp

@@ -124,6 +124,30 @@ auto vamp_zero::control_state::set_observer(std::function<void(vamp_zero::app_st
   observer_ = std::move(observer);
 }
 
+auto vamp_zero::control_state::finish_playback(std::uint64_t session, std::string error, std::shared_ptr<vamp_zero::catalogue const> catalog) -> void {
+  auto observer = std::function<void(vamp_zero::app_state)>{};
+  auto updated = vamp_zero::app_state{};
+  {
+    auto lock = std::scoped_lock{mutex_};
+    if (!state_.audio.playback_enabled || state_.score_session != session || (catalog && catalog != state_.catalog) || (state_.mode != vamp_zero::app_mode::PERFORMANCE_SCORE && state_.mode != vamp_zero::app_mode::PRACTICE_SCORE)) {
+      return;
+    }
+    if (error.empty()) {
+      auto count = state_.select_count;
+      state_ = vamp_zero::apply_app_command(std::move(state_), vamp_protocol::page_command::SELECT);
+      state_.select_count = count;
+      state_.last_command = "playback-completed";
+    } else {
+      state_.audio.playback_error = std::move(error);
+    }
+    updated = snapshot_locked();
+    observer = observer_;
+  }
+  if (observer) {
+    observer(std::move(updated));
+  }
+}
+
 auto vamp_zero::portal_status_json(vamp_zero::config const &config, vamp_zero::app_state const &state) -> boost::json::value {
   auto control = boost::json::object{};
   control["ap_ssid"] = config.control.ap_ssid;