[WIP] ptz: Add HTTP backend

CMakeLists.txt

@@ -92,6 +92,7 @@ set(PLUGIN_SOURCES
 	src/helper.cpp
 	src/ptz-backend.cpp
 	src/obsptz-backend.cpp
+	src/ptz-http-backend.cpp
 	src/dummy-backend.cpp
 )
 

src/face-tracker-ptz.cpp

@@ -17,6 +17,7 @@
 #ifdef WITH_PTZ_TCP
 #include "libvisca-thread.hpp"
 #endif
+#include "ptz-http-backend.hpp"
 #include "dummy-backend.hpp"
 
 #define PTZ_MAX_X 0x18
@@ -137,6 +138,11 @@ static const struct ptz_backend_type_s backends[] =
 		.list_settings = list_viscaip,
 	},
 #endif // WITH_PTZ_TCP
+	{
+		.backend_name = "http",
+		.make_device = make_device_template<ptz_http_backend>,
+		.list_settings = NULL,
+	},
 	{
 		.backend_name = "dummy",
 		.make_device = make_device_template<dummy_backend>,
@@ -433,6 +439,7 @@ static obs_properties_t *ftptz_properties(void *data)
 #ifdef WITH_PTZ_TCP
 		obs_property_list_add_string(p, obs_module_text("VISCA over TCP"), "visca-over-tcp");
 #endif // WITH_PTZ_TCP
+		obs_property_list_add_string(p, obs_module_text("HTTP"), "http");
 		obs_property_set_modified_callback(p, ptz_type_modified);
 		obs_properties_add_int(pp, "ptz-obsptz-device_id", obs_module_text("Device ID"), 0, 99, 1);
 		obs_properties_add_text(pp, "ptz-viscaip-address", obs_module_text("IP address"), OBS_TEXT_DEFAULT);

src/ptz-http-backend.cpp

@@ -0,0 +1,51 @@
+#include <obs-module.h>
+#include "plugin-macros.generated.h"
+#include "ptz-http-backend.hpp"
+
+ptz_http_backend::ptz_http_backend()
+{
+	// TODO: Implement
+
+	pthread_t thread;
+	pthread_create(&thread, NULL, ptz_http_backend::thread_main, (void*)this);
+	pthread_detach(thread);
+}
+
+ptz_http_backend::~ptz_http_backend()
+{
+	// TODO: Implement
+}
+
+void *ptz_http_backend::thread_main(void *data)
+{
+	auto *visca = (ptz_http_backend*)data;
+	visca->add_ref();
+	visca->thread_loop();
+	visca->release();
+	return NULL;
+}
+
+void ptz_http_backend::thread_loop()
+{
+	// TODO: Implement
+}
+
+void ptz_http_backend::set_config(struct obs_data *data)
+{
+	// TODO: Implement
+}
+
+void ptz_http_backend::set_pantilt_speed(int pan, int tilt)
+{
+	pan_next = pan;
+	tilt_next = tilt;
+
+	// TODO: Implement
+}
+
+void ptz_http_backend::set_zoom_speed(int zoom)
+{
+	zoom_next = zoom;
+
+	// TODO: Implement
+}

src/ptz-http-backend.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <atomic>
+#include <mutex>
+#include "ptz-backend.hpp"
+
+class ptz_http_backend : public ptz_backend
+{
+	std::mutex mutex;
+	struct obs_data *data;
+	std::atomic<bool> data_changed;
+	std::atomic<bool> preset_changed;
+	std::atomic<int> pan_next, tilt_next, zoom_next;
+
+	static void *thread_main(void *);
+	void thread_loop();
+
+public:
+	ptz_http_backend();
+	~ptz_http_backend() override;
+
+	void set_config(struct obs_data *data) override;
+
+	void set_pantilt_speed(int pan, int tilt) override;
+	void set_zoom_speed(int zoom) override;
+	void recall_preset(int) override { }
+	int get_zoom() override {
+		// TODO: Implement if available
+		return 0;
+	}
+};