Merge branch 'master' into fake-move

rpcs3/Emu/Cell/Modules/cellCamera.cpp

@@ -784,26 +784,26 @@ s32 cellCameraIsAttached(s32 dev_num)
 
 	if (g_cfg.io.camera == camera_handler::null)
 	{
-		return false;
+		return 0;
 	}
 
 	auto& g_camera = g_fxo->get<camera_thread>();
 
 	if (!g_camera.init)
 	{
-		return false;
+		return 0;
 	}
 
 	if (!check_dev_num(dev_num))
 	{
-		return false;
+		return 0;
 	}
 
 	vm::var<s32> type;
 
 	if (cellCameraGetType(dev_num, type) != CELL_OK)
 	{
-		return false;
+		return 0;
 	}
 
 	std::lock_guard lock(g_camera.mutex);
@@ -821,12 +821,12 @@ s32 cellCameraIsAttached(s32 dev_num)
 		}
 	}
 
-	return is_attached;
+	return is_attached ? 1 : 0;
 }
 
 s32 cellCameraIsOpen(s32 dev_num)
 {
-	cellCamera.notice("cellCameraIsOpen(dev_num=%d)", dev_num);
+	cellCamera.trace("cellCameraIsOpen(dev_num=%d)", dev_num);
 
 	if (g_cfg.io.camera == camera_handler::null)
 	{
@@ -852,7 +852,7 @@ s32 cellCameraIsOpen(s32 dev_num)
 
 s32 cellCameraIsStarted(s32 dev_num)
 {
-	cellCamera.notice("cellCameraIsStarted(dev_num=%d)", dev_num);
+	cellCamera.trace("cellCameraIsStarted(dev_num=%d)", dev_num);
 
 	if (g_cfg.io.camera == camera_handler::null)
 	{

rpcs3/Emu/Io/Null/null_camera_handler.h

@@ -7,10 +7,10 @@ class null_camera_handler final : public camera_handler_base
 public:
 	null_camera_handler() : camera_handler_base() {}
 
-	void open_camera() override { m_state = camera_handler_state::open; }
-	void close_camera() override { m_state = camera_handler_state::closed; }
-	void start_camera() override { m_state = camera_handler_state::running; }
-	void stop_camera() override { m_state = camera_handler_state::open; }
+	void open_camera() override { set_state(camera_handler_state::open); }
+	void close_camera() override { set_state(camera_handler_state::closed); }
+	void start_camera() override { set_state(camera_handler_state::running); }
+	void stop_camera() override { set_state(camera_handler_state::open); }
 
 	void set_format(s32 format, u32 bytesize) override
 	{
@@ -45,6 +45,6 @@ public:
 		height = 0;
 		frame_number = 0;
 		bytes_read = 0;
-		return m_state;
+		return get_state();
 	}
 };

rpcs3/Emu/Io/camera_handler_base.h

@@ -30,22 +30,29 @@ public:
 	virtual u64 frame_number() const = 0; // Convenience function to check if there's a new frame.
 	virtual camera_handler_state get_image(u8* buf, u64 size, u32& width, u32& height, u64& frame_number, u64& bytes_read) = 0;
 
-	camera_handler_state get_state() const { return m_state.load(); };
+	camera_handler_state get_state() const { return m_state.load(); }
+	void set_state(camera_handler_state state) { m_state = m_state_expected = state; }
 
-	bool mirrored() const { return m_mirrored; };
-	s32 format() const { return m_format; };
-	u32 bytesize() const { return m_bytesize; };
-	u32 width() const { return m_width; };
-	u32 height() const { return m_height; };
-	u32 frame_rate() const { return m_frame_rate; };
+	camera_handler_state get_expected_state() const { return m_state_expected.load(); }
+	void set_expected_state(camera_handler_state state) { m_state_expected = state; }
+
+	bool mirrored() const { return m_mirrored; }
+	s32 format() const { return m_format; }
+	u32 bytesize() const { return m_bytesize; }
+	u32 width() const { return m_width; }
+	u32 height() const { return m_height; }
+	u32 frame_rate() const { return m_frame_rate; }
 
 protected:
 	std::mutex m_mutex;
-	atomic_t<camera_handler_state> m_state = camera_handler_state::closed;
 	bool m_mirrored = false;
 	s32 m_format = 2; // CELL_CAMERA_RAW8
 	u32 m_bytesize = 0;
 	u32 m_width = 640;
 	u32 m_height = 480;
 	u32 m_frame_rate = 30;
+
+private:
+	atomic_t<camera_handler_state> m_state = camera_handler_state::closed;
+	atomic_t<camera_handler_state> m_state_expected = camera_handler_state::closed;
 };

rpcs3/rpcs3qt/qt_camera_handler.cpp

@@ -47,6 +47,7 @@ void qt_camera_handler::set_camera(const QCameraDevice& camera_info)
 {
 	if (camera_info.isNull())
 	{
+		set_expected_state(camera_handler_state::closed);
 		reset();
 		return;
 	}
@@ -57,9 +58,9 @@ void qt_camera_handler::set_camera(const QCameraDevice& camera_info)
 	camera_log.success("Using camera: id=\"%s\", description=\"%s\", front_facing=%d", camera_info.id().toStdString(), camera_info.description(), front_facing);
 
 	// Create camera and video surface
-	m_media_capture_session.reset(new QMediaCaptureSession(nullptr));
-	m_video_sink.reset(new qt_camera_video_sink(front_facing, nullptr));
-	m_camera.reset(new QCamera(camera_info));
+	m_media_capture_session = std::make_unique<QMediaCaptureSession>(nullptr);
+	m_video_sink = std::make_unique<qt_camera_video_sink>(front_facing, nullptr);
+	m_camera = std::make_unique<QCamera>(camera_info);
 
 	connect(m_camera.get(), &QCamera::activeChanged, this, &qt_camera_handler::handle_camera_active);
 	connect(m_camera.get(), &QCamera::errorOccurred, this, &qt_camera_handler::handle_camera_error);
@@ -76,14 +77,37 @@ void qt_camera_handler::handle_camera_active(bool is_active)
 {
 	camera_log.notice("Camera active status changed to %d", is_active);
 
-	if (is_active)
+	// Check if the camera does what it's supposed to do.
+	const camera_handler_state expected_state = get_expected_state();
+
+	switch (expected_state)
 	{
-		m_state = camera_handler_state::running;
-	}
-	else
+	case camera_handler_state::closed:
+	case camera_handler_state::open:
 	{
-		m_state = camera_handler_state::closed;
+		if (is_active)
+		{
+			// This is not supposed to happen and indicates an unexpected QCamera issue
+			camera_log.error("Camera started unexpectedly");
+			set_state(camera_handler_state::running);
+			return;
+		}
+		break;
 	}
+	case camera_handler_state::running:
+	{
+		if (!is_active)
+		{
+			// This is not supposed to happen and indicates an unexpected QCamera issue
+			camera_log.error("Camera stopped unexpectedly");
+			set_state(camera_handler_state::open);
+			return;
+		}
+		break;
+	}
+	}
+
+	set_state(expected_state);
 }
 
 void qt_camera_handler::handle_camera_error(QCamera::Error error, const QString& errorString)
@@ -100,7 +124,11 @@ void qt_camera_handler::open_camera()
 	{
 		camera_log.notice("Switching camera from %s to %s", m_camera_id, camera_id);
 		camera_log.notice("Stopping old camera...");
-		if (m_camera) m_camera->stop();
+		if (m_camera)
+		{
+			set_expected_state(camera_handler_state::open);
+			m_camera->stop();
+		}
 		m_camera_id = camera_id;
 	}
 
@@ -129,7 +157,7 @@ void qt_camera_handler::open_camera()
 	{
 		if (m_camera_id.empty()) camera_log.notice("Camera disabled");
 		else camera_log.error("No camera found");
-		m_state = camera_handler_state::closed;
+		set_state(camera_handler_state::closed);
 		return;
 	}
 
@@ -148,7 +176,7 @@ void qt_camera_handler::open_camera()
 	// Update camera and view finder settings
 	update_camera_settings();
 
-	m_state = camera_handler_state::open;
+	set_state(camera_handler_state::open);
 }
 
 void qt_camera_handler::close_camera()
@@ -159,11 +187,12 @@ void qt_camera_handler::close_camera()
 	{
 		if (m_camera_id.empty()) camera_log.notice("Camera disabled");
 		else camera_log.error("No camera found");
-		m_state = camera_handler_state::closed;
+		set_state(camera_handler_state::closed);
 		return;
 	}
 
 	// Unload/close camera
+	set_expected_state(camera_handler_state::closed);
 	m_camera->stop();
 }
 
@@ -175,7 +204,7 @@ void qt_camera_handler::start_camera()
 	{
 		if (m_camera_id.empty()) camera_log.notice("Camera disabled");
 		else camera_log.error("No camera found");
-		m_state = camera_handler_state::closed;
+		set_state(camera_handler_state::closed);
 		return;
 	}
 
@@ -206,6 +235,7 @@ void qt_camera_handler::start_camera()
 #endif
 
 	// Start camera. We will start receiving frames now.
+	set_expected_state(camera_handler_state::running);
 	m_camera->start();
 }
 
@@ -217,7 +247,7 @@ void qt_camera_handler::stop_camera()
 	{
 		if (m_camera_id.empty()) camera_log.notice("Camera disabled");
 		else camera_log.error("No camera found");
-		m_state = camera_handler_state::closed;
+		set_state(camera_handler_state::closed);
 		return;
 	}
 
@@ -228,6 +258,7 @@ void qt_camera_handler::stop_camera()
 	}
 
 	// Stop camera. The camera will still be drawing power.
+	set_expected_state(camera_handler_state::open);
 	m_camera->stop();
 }
 
@@ -284,26 +315,26 @@ camera_handler_base::camera_handler_state qt_camera_handler::get_image(u8* buf,
 		m_camera_id != camera_id)
 	{
 		camera_log.notice("Switching cameras");
-		m_state = camera_handler_state::closed;
+		set_state(camera_handler_state::closed);
 		return camera_handler_state::closed;
 	}
 
 	if (m_camera_id.empty())
 	{
 		camera_log.notice("Camera disabled");
-		m_state = camera_handler_state::closed;
+		set_state(camera_handler_state::closed);
 		return camera_handler_state::closed;
 	}
 
 	if (!m_camera || !m_video_sink)
 	{
 		camera_log.fatal("Error: camera invalid");
-		m_state = camera_handler_state::closed;
+		set_state(camera_handler_state::closed);
 		return camera_handler_state::closed;
 	}
 
 	// Backup current state. State may change through events.
-	const camera_handler_state current_state = m_state;
+	const camera_handler_state current_state = get_state();
 
 	if (current_state == camera_handler_state::running)
 	{

rpcs3/rpcs3qt/qt_camera_handler.h

@@ -17,8 +17,6 @@ public:
 	qt_camera_handler();
 	virtual ~qt_camera_handler();
 
-	void set_camera(const QCameraDevice& camera_info);
-
 	void open_camera() override;
 	void close_camera() override;
 	void start_camera() override;
@@ -31,11 +29,12 @@ public:
 	camera_handler_state get_image(u8* buf, u64 size, u32& width, u32& height, u64& frame_number, u64& bytes_read) override;
 
 private:
+	void set_camera(const QCameraDevice& camera_info);
 	void reset();
 	void update_camera_settings();
 
 	std::string m_camera_id;
-	std::shared_ptr<QCamera> m_camera;
+	std::unique_ptr<QCamera> m_camera;
 	std::unique_ptr<QMediaCaptureSession> m_media_capture_session;
 	std::unique_ptr<qt_camera_video_sink> m_video_sink;