pch migration to modules [wip]

widgets/cameraview_extcam.cppm

@@ -0,0 +1,63 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+module;
+#include <atomic>
+#include <condition_variable>
+#include <mutex>
+#include <optional>
+#include <thread>
+
+export module eu07.widgets.cameraview_extcam;
+import eu07.model.texture;
+import eu07.application.uilayer;
+
+export {
+
+
+
+namespace ui
+{
+class cameraview_panel : public ui_panel
+{
+private:
+
+	enum thread_state {
+		STARTING,
+		RUNNING,
+		STOPPING,
+		STOPPING_DONE,
+		STOPPED,
+	};
+
+	std::atomic<thread_state> capture_state = STOPPED;
+	std::atomic<thread_state> record_state = STOPPED;
+	std::thread capture_workthread;
+	std::thread record_workthread;
+
+	std::condition_variable notify_var;
+	uint32_t frame_cnt = 0;
+
+	uint8_t* image_ptr = nullptr;
+	std::mutex mutex;
+
+	bool recording = false;
+
+	std::optional<opengl_texture> texture;
+
+	void capture_func();
+	void record_func();
+
+  public:
+	cameraview_panel();
+	~cameraview_panel();
+
+	void render() override;
+	void render_contents() override;
+	bool set_state(bool rec);
+
+	std::string rec_name;
+};
+} // namespace ui
+
+}  // export