Change from singleton CameraManager to namespace.

Update `openpnp-capture` dep for static linking.
Fix camera selection dropdown width

.gitmodules

@@ -21,4 +21,4 @@
 [submodule "dependencies/openpnp-capture"]
 	path = dependencies/openpnp-capture
 	url = https://github.com/capitalistspz/openpnp-capture
-	branch = dev-no-explicit-shared
+	branch = dev

dependencies/openpnp-capture

@@ -1 +1 @@
-Subproject commit ba456ac7572c6e6db49da53d2f4985d65309e582
+Subproject commit 3daf77d3d4013238af4c97f0e3ca46c6d3666d1b

src/Cafe/OS/libs/camera/camera.cpp

@@ -146,7 +146,7 @@ namespace camera
 				}
 				else
 				{
-					CameraManager::instance().FillNV12Buffer(surfaceBuffer.GetPtr());
+					CameraManager::FillNV12Buffer(surfaceBuffer.GetPtr());
 					s_cameraEventData->data = surfaceBuffer;
 					s_cameraEventData->errored = false;
 				}
@@ -189,6 +189,7 @@ namespace camera
 			*error = CAM_STATUS_INVALID_ARG;
 			return -1;
 		}
+		CameraManager::Init();
 
 		cemu_assert_debug(initInfo->forceDisplay != CAMForceDisplay::DRC);
 		cemu_assert_debug(initInfo->workMemorySize != 0);
@@ -221,7 +222,7 @@ namespace camera
 				return CAM_STATUS_UNINITIALIZED;
 			s_instance.isOpen = false;
 		}
-		CameraManager::instance().Close();
+		CameraManager::Close();
 		return CAM_STATUS_SUCCESS;
 	}
 
@@ -234,7 +235,7 @@ namespace camera
 			return CAM_STATUS_UNINITIALIZED;
 		if (s_instance.isOpen)
 			return CAM_STATUS_DEVICE_IN_USE;
-		CameraManager::instance().Open();
+		CameraManager::Open();
 		s_instance.isOpen = true;
 		coreinit::OSSignalEvent(s_cameraOpenEvent);
 		s_instance.inTargetBuffers.Clear();

src/camera/CMakeLists.txt

@@ -8,7 +8,8 @@ add_library(CemuCamera
 set_property(TARGET CemuCamera PROPERTY MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
 
 target_include_directories(CemuCamera PUBLIC "../")
-target_link_libraries(CemuCamera PRIVATE CemuCommon CemuUtil PUBLIC openpnp-capture)
+target_link_libraries(CemuCamera PRIVATE CemuCommon CemuUtil openpnp-capture)
+
 
 if (ENABLE_WXWIDGETS)
   target_link_libraries(CemuCamera PRIVATE wx::base)

src/camera/CameraManager.cpp

@@ -1,170 +1,195 @@
 #include "CameraManager.h"
-#include "Rgb2Nv12.h"
+
 #include "config/CemuConfig.h"
 #include "util/helpers/helpers.h"
+#include "Rgb2Nv12.h"
+
+#include <algorithm>
+#include <mutex>
+#include <optional>
+#include <thread>
+
+#include <openpnp-capture.h>
 
 constexpr unsigned CAMERA_WIDTH = 640;
 constexpr unsigned CAMERA_HEIGHT = 480;
 constexpr unsigned CAMERA_PITCH = 768;
 
-CameraManager::CameraManager()
-	: m_ctx(Cap_createContext()),
-	  m_rgbBuffer(CAMERA_WIDTH * CAMERA_HEIGHT * 3),
-	  m_nv12Buffer(CAMERA_PITCH * CAMERA_HEIGHT * 3 / 2),
-	  m_refCount(0), m_capturing(false), m_running(true)
+namespace CameraManager
 {
-	m_captureThread = std::thread(&CameraManager::CaptureWorker, this);
+	std::mutex s_mutex;
+	bool s_initialized = false;
+	CapContext s_ctx;
+	std::optional<CapDeviceID> s_device;
+	std::optional<CapStream> s_stream;
+	std::array<uint8, CAMERA_WIDTH * CAMERA_HEIGHT * 3> s_rgbBuffer;
+	std::array<uint8, CAMERA_PITCH * CAMERA_HEIGHT * 3 / 2> s_nv12Buffer;
+	int s_refCount = 0;
+	std::thread s_captureThread;
+	std::atomic_bool s_capturing = false;
+	std::atomic_bool s_running = false;
 
-	const auto uniqueId = GetConfig().camera_id.GetValue();
-	if (!uniqueId.empty())
+	std::optional<CapFormatID> FindCorrectFormat()
 	{
-		const auto devices = EnumerateDevices();
-		for (CapDeviceID deviceId = 0; deviceId < devices.size(); ++deviceId)
+		const auto formatCount = Cap_getNumFormats(s_ctx, *s_device);
+		for (int32_t formatId = 0; formatId < formatCount; ++formatId)
 		{
-			if (devices[deviceId].uniqueId == uniqueId)
+			CapFormatInfo formatInfo;
+			if (Cap_getFormatInfo(s_ctx, *s_device, formatId, &formatInfo) != CAPRESULT_OK)
+				continue;
+			if (formatInfo.width == CAMERA_WIDTH && formatInfo.height == CAMERA_HEIGHT)
+				return formatId;
+		}
+		return std::nullopt;
+	}
+
+	void CaptureWorker()
+	{
+		SetThreadName("CameraManager");
+		while (s_running)
+		{
+			while (s_capturing)
 			{
-				m_device = deviceId;
-				return;
+				s_mutex.lock();
+				if (s_stream && Cap_hasNewFrame(s_ctx, *s_stream) &&
+					Cap_captureFrame(s_ctx, *s_stream, s_rgbBuffer.data(), s_rgbBuffer.size()) == CAPRESULT_OK)
+					Rgb2Nv12(s_rgbBuffer.data(), CAMERA_WIDTH, CAMERA_HEIGHT, s_nv12Buffer.data(), CAMERA_PITCH);
+				s_mutex.unlock();
+				std::this_thread::sleep_for(std::chrono::milliseconds(30));
+			}
+			std::this_thread::sleep_for(std::chrono::seconds(1));
+			std::this_thread::yield();
+		}
+	}
+	void OpenStream()
+	{
+		const auto formatId = FindCorrectFormat();
+		if (!formatId)
+			return;
+		const auto stream = Cap_openStream(s_ctx, *s_device, *formatId);
+		if (stream == -1)
+			return;
+		s_capturing = true;
+		s_stream = stream;
+	}
+	void CloseStream()
+	{
+		s_capturing = false;
+		if (s_stream)
+		{
+			Cap_closeStream(s_ctx, *s_stream);
+			s_stream = std::nullopt;
+		}
+	}
+	void ResetBuffers()
+	{
+		std::ranges::fill(s_rgbBuffer, 0);
+		std::ranges::fill_n(s_nv12Buffer.begin(), CAMERA_WIDTH * CAMERA_PITCH, 16);
+		std::ranges::fill_n(s_nv12Buffer.begin() + CAMERA_WIDTH * CAMERA_PITCH, (CAMERA_WIDTH / 2), 128);
+	}
+
+	void Init()
+	{
+		std::scoped_lock lock(s_mutex);
+		if (s_initialized)
+			return;
+		s_mutex.unlock();
+		s_running = true;
+		s_captureThread = std::thread(&CaptureWorker);
+		s_ctx = Cap_createContext();
+
+		const auto uniqueId = GetConfig().camera_id.GetValue();
+		if (!uniqueId.empty())
+		{
+			const auto devices = EnumerateDevices();
+			for (CapDeviceID deviceId = 0; deviceId < devices.size(); ++deviceId)
+			{
+				if (devices[deviceId].uniqueId == uniqueId)
+				{
+					s_device = deviceId;
+					return;
+				}
 			}
 		}
-	}
-	ResetBuffers();
-}
-CameraManager::~CameraManager()
-{
-	m_running = false;
-	CloseStream();
-	Cap_releaseContext(m_ctx);
-}
-
-void CameraManager::SetDevice(uint32 deviceNo)
-{
-	std::scoped_lock lock(m_mutex);
-	CloseStream();
-	if (deviceNo == DEVICE_NONE)
-	{
-		m_device = std::nullopt;
 		ResetBuffers();
-		return;
 	}
-	m_device = deviceNo;
-	if (m_refCount != 0)
-		OpenStream();
-}
-std::vector<CameraManager::DeviceInfo> CameraManager::EnumerateDevices()
-{
-	std::scoped_lock lock(m_mutex);
-	std::vector<DeviceInfo> infos;
-	const auto deviceCount = Cap_getDeviceCount(m_ctx);
-	for (CapDeviceID deviceNo = 0; deviceNo < deviceCount; ++deviceNo)
+	void Deinit()
 	{
-		const auto uniqueId = Cap_getDeviceUniqueID(m_ctx, deviceNo);
-		const auto name = Cap_getDeviceName(m_ctx, deviceNo);
-		DeviceInfo info;
-		info.uniqueId = uniqueId;
-
-		if (name)
-			info.name = fmt::format("{}: {}", deviceNo + 1, name);
-		else
-			info.name = fmt::format("{}: Unknown", deviceNo + 1);
-		infos.push_back(info);
+		CloseStream();
+		Cap_releaseContext(s_ctx);
+		s_captureThread.join();
+		s_initialized = false;
 	}
-	return infos;
-}
-void CameraManager::SaveDevice()
-{
-	std::scoped_lock lock(m_mutex);
-	if (m_device)
-		GetConfig().camera_id = Cap_getDeviceUniqueID(m_ctx, *m_device);
-	else
-		GetConfig().camera_id = "";
-}
-void CameraManager::Open()
-{
-	std::scoped_lock lock(m_mutex);
-	if (m_device && m_refCount == 0)
+	void FillNV12Buffer(uint8* nv12Buffer)
 	{
-		OpenStream();
+		std::scoped_lock lock(s_mutex);
+		std::ranges::copy(s_nv12Buffer, nv12Buffer);
 	}
-	m_refCount += 1;
-}
-void CameraManager::Close()
-{
-	std::scoped_lock lock(m_mutex);
-	if (m_refCount == 0)
-		return;
-	m_refCount -= 1;
-	if (m_refCount != 0)
-		return;
-	CloseStream();
-}
 
-std::optional<CapFormatID> CameraManager::FindCorrectFormat()
-{
-	const auto formatCount = Cap_getNumFormats(m_ctx, *m_device);
-	for (CapFormatID formatId = 0; formatId < formatCount; ++formatId)
+	void FillRGBBuffer(uint8* rgbBuffer)
 	{
-		CapFormatInfo formatInfo;
-		if (Cap_getFormatInfo(m_ctx, *m_device, formatId, &formatInfo) != CAPRESULT_OK)
-			continue;
-		if (formatInfo.width == CAMERA_WIDTH && formatInfo.height == CAMERA_HEIGHT)
-			return formatId;
+		std::scoped_lock lock(s_mutex);
+		std::ranges::copy(s_rgbBuffer, rgbBuffer);
 	}
-	return std::nullopt;
-}
-void CameraManager::ResetBuffers()
-{
-	std::ranges::fill(m_rgbBuffer, 0);
-	std::ranges::fill_n(m_nv12Buffer.begin(), CAMERA_WIDTH * CAMERA_PITCH, 16);
-	std::ranges::fill_n(m_nv12Buffer.begin() + CAMERA_WIDTH * CAMERA_PITCH, (CAMERA_WIDTH / 2), 128);
-}
-
-void CameraManager::FillNV12Buffer(uint8* nv12Buffer) const
-{
-	std::scoped_lock lock(m_mutex);
-	std::ranges::copy(m_nv12Buffer, nv12Buffer);
-}
-
-void CameraManager::FillRGBBuffer(uint8* rgbBuffer) const
-{
-	std::scoped_lock lock(m_mutex);
-	std::ranges::copy(m_rgbBuffer, rgbBuffer);
-}
-void CameraManager::CaptureWorker()
-{
-	SetThreadName("CameraManager");
-	while (m_running)
+	void SetDevice(uint32 deviceNo)
 	{
-		while (m_capturing)
+		std::scoped_lock lock(s_mutex);
+		CloseStream();
+		if (deviceNo == DEVICE_NONE)
 		{
-			m_mutex.lock();
-			if (m_stream && Cap_hasNewFrame(m_ctx, *m_stream) &&
-				Cap_captureFrame(m_ctx, *m_stream, m_rgbBuffer.data(), m_rgbBuffer.size()) == CAPRESULT_OK)
-				Rgb2Nv12(m_rgbBuffer.data(), CAMERA_WIDTH, CAMERA_HEIGHT, m_nv12Buffer.data(), CAMERA_PITCH);
-			m_mutex.unlock();
-			std::this_thread::sleep_for(std::chrono::milliseconds(30));
+			s_device = std::nullopt;
+			ResetBuffers();
+			return;
 		}
-		std::this_thread::sleep_for(std::chrono::seconds(1));
-		std::this_thread::yield();
+		s_device = deviceNo;
+		if (s_refCount != 0)
+			OpenStream();
 	}
-}
-void CameraManager::OpenStream()
-{
-	const auto formatId = FindCorrectFormat();
-	if (!formatId)
-		return;
-	const auto stream = Cap_openStream(m_ctx, *m_device, *formatId);
-	if (stream == -1)
-		return;
-	m_capturing = true;
-	m_stream = stream;
-}
-void CameraManager::CloseStream()
-{
-	m_capturing = false;
-	if (m_stream)
+	void Open()
 	{
-		Cap_closeStream(m_ctx, *m_stream);
-		m_stream = std::nullopt;
+		std::scoped_lock lock(s_mutex);
+		if (s_device && s_refCount == 0)
+		{
+			OpenStream();
+		}
+		s_refCount += 1;
 	}
-}
+	void Close()
+	{
+		std::scoped_lock lock(s_mutex);
+		if (s_refCount == 0)
+			return;
+		s_refCount -= 1;
+		if (s_refCount != 0)
+			return;
+		CloseStream();
+	}
+	std::vector<DeviceInfo> EnumerateDevices()
+	{
+		std::scoped_lock lock(s_mutex);
+		std::vector<DeviceInfo> infos;
+		const auto deviceCount = Cap_getDeviceCount(s_ctx);
+		for (CapDeviceID deviceNo = 0; deviceNo < deviceCount; ++deviceNo)
+		{
+			const auto uniqueId = Cap_getDeviceUniqueID(s_ctx, deviceNo);
+			const auto name = Cap_getDeviceName(s_ctx, deviceNo);
+			DeviceInfo info;
+			info.uniqueId = uniqueId;
+
+			if (name)
+				info.name = fmt::format("{}: {}", deviceNo + 1, name);
+			else
+				info.name = fmt::format("{}: Unknown", deviceNo + 1);
+			infos.push_back(info);
+		}
+		return infos;
+	}
+	void SaveDevice()
+	{
+		std::scoped_lock lock(s_mutex);
+		if (s_device)
+			GetConfig().camera_id = Cap_getDeviceUniqueID(s_ctx, *s_device);
+		else
+			GetConfig().camera_id = "";
+	}
+} // namespace CameraManager

src/camera/CameraManager.h

@@ -1,46 +1,24 @@
 #pragma once
-#include <atomic>
-#include <mutex>
-#include <thread>
-#include <openpnp-capture.h>
-#include "util/helpers/Singleton.h"
+#include <string>
 
-class CameraManager : public Singleton<CameraManager>
+namespace CameraManager
 {
-	CapContext m_ctx;
-	std::optional<CapDeviceID> m_device;
-	std::optional<CapStream> m_stream;
-	std::vector<uint8> m_rgbBuffer;
-	std::vector<uint8> m_nv12Buffer;
-	int m_refCount;
-	std::thread m_captureThread;
-	std::atomic_bool m_capturing;
-	std::atomic_bool m_running;
-	mutable std::recursive_mutex m_mutex;
-
-  public:
-	constexpr static uint32 DEVICE_NONE = std::numeric_limits<uint32>::max();
 	struct DeviceInfo
 	{
 		std::string uniqueId;
 		std::string name;
 	};
-	CameraManager();
-	~CameraManager();
+	constexpr static uint32 DEVICE_NONE = std::numeric_limits<uint32>::max();
+
+	void Init();
+	void Deinit();
+	void Open();
+	void Close();
+
+	void FillNV12Buffer(uint8* nv12Buffer);
+	void FillRGBBuffer(uint8* rgbBuffer);
 
 	void SetDevice(uint32 deviceNo);
 	std::vector<DeviceInfo> EnumerateDevices();
 	void SaveDevice();
-
-	void Open();
-	void Close();
-	void FillNV12Buffer(uint8* nv12Buffer) const;
-	void FillRGBBuffer(uint8* rgbBuffer) const;
-
-  private:
-	std::optional<CapFormatID> FindCorrectFormat();
-	void ResetBuffers();
-	void CaptureWorker();
-	void OpenStream();
-	void CloseStream();
-};
+} // namespace CameraManager

src/gui/CameraSettingsWindow.cpp

@@ -20,8 +20,7 @@ CameraSettingsWindow::CameraSettingsWindow(wxWindow* parent)
 	{
 		auto* topSizer = new wxBoxSizer(wxHORIZONTAL);
 		{
-			wxString choices[] = {_("None")};
-			m_cameraChoice = new wxChoice(this, wxID_ANY, wxDefaultPosition, {300, -1}, 1, choices);
+			m_cameraChoice = new wxChoice(this, wxID_ANY, wxDefaultPosition, {300, -1});
 			m_cameraChoice->Bind(wxEVT_CHOICE, &CameraSettingsWindow::OnSelectCameraChoice, this);
 
 			m_refreshButton = new wxButton(this, wxID_ANY, wxString::FromUTF8("⟳"));
@@ -38,7 +37,8 @@ CameraSettingsWindow::CameraSettingsWindow(wxWindow* parent)
 		rootSizer->Add(m_imageWindow, wxEXPAND);
 	}
 	SetSizerAndFit(rootSizer);
-	CameraManager::instance().Open();
+	CameraManager::Init();
+	CameraManager::Open();
 	m_imageUpdateTimer.Bind(wxEVT_TIMER, &CameraSettingsWindow::UpdateImage, this);
 	m_imageUpdateTimer.Start(33, wxTIMER_CONTINUOUS);
 	this->Bind(wxEVT_CLOSE_WINDOW, &CameraSettingsWindow::OnClose, this);
@@ -49,14 +49,14 @@ void CameraSettingsWindow::OnSelectCameraChoice(wxCommandEvent&)
 	if (selection < 0)
 		return;
 	if (selection == 0)
-		CameraManager::instance().SetDevice(CameraManager::DEVICE_NONE);
+		CameraManager::SetDevice(CameraManager::DEVICE_NONE);
 	else
-		CameraManager::instance().SetDevice(selection - 1);
+		CameraManager::SetDevice(selection - 1);
 }
 void CameraSettingsWindow::OnRefreshPressed(wxCommandEvent&)
 {
 	wxArrayString choices = {_("None")};
-	for (const auto& entry : CameraManager::instance().EnumerateDevices())
+	for (const auto& entry : CameraManager::EnumerateDevices())
 	{
 		choices.push_back(entry.name);
 	}
@@ -66,7 +66,7 @@ void CameraSettingsWindow::OnRefreshPressed(wxCommandEvent&)
 }
 void CameraSettingsWindow::UpdateImage(const wxTimerEvent&)
 {
-	CameraManager::instance().FillRGBBuffer(m_imageBuffer.data());
+	CameraManager::FillRGBBuffer(m_imageBuffer.data());
 
 	wxNativePixelData data{m_imageBitmap};
 	if (!data)
@@ -92,7 +92,7 @@ void CameraSettingsWindow::UpdateImage(const wxTimerEvent&)
 }
 void CameraSettingsWindow::OnClose(wxCloseEvent& event)
 {
-	CameraManager::instance().Close();
-	CameraManager::instance().SaveDevice();
+	CameraManager::Close();
+	CameraManager::SaveDevice();
 	event.Skip();
 }