open source pkg v1

2020-08-04 19:12:31 -04:00
parent bef213dba9
commit c389fc2c47
3708 changed files with 1624220 additions and 1 deletions
--- a/pkg/OpenFace/lib/3rdParty/CameraEnumerator/CameraEnumerator.vcxproj
+++ b/pkg/OpenFace/lib/3rdParty/CameraEnumerator/CameraEnumerator.vcxproj
@@ -0,0 +1,151 @@
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--- a/pkg/OpenFace/lib/3rdParty/CameraEnumerator/CameraEnumerator.vcxproj.filters
+++ b/pkg/OpenFace/lib/3rdParty/CameraEnumerator/CameraEnumerator.vcxproj.filters
@@ -0,0 +1,30 @@
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--- a/pkg/OpenFace/lib/3rdParty/CameraEnumerator/DeviceEnumerator.cpp
+++ b/pkg/OpenFace/lib/3rdParty/CameraEnumerator/DeviceEnumerator.cpp
@@ -0,0 +1,123 @@
+#include "DeviceEnumerator.h"
+#include <iostream>
+
+std::map<int, Device> DeviceEnumerator::getVideoDevicesMap() {
+	return getDevicesMap(CLSID_VideoInputDeviceCategory);
+}
+
+std::map<int, Device> DeviceEnumerator::getAudioDevicesMap() {
+	return getDevicesMap(CLSID_AudioInputDeviceCategory);
+}
+
+// Returns a map of id and devices that can be used
+std::map<int, Device> DeviceEnumerator::getDevicesMap(const GUID deviceClass)
+{
+	std::map<int, Device> deviceMap;
+
+	// TODO add back? Calling from C# seems to not need this
+	//HRESULT hr = CoInitialize(nullptr);
+	//if (FAILED(hr)) {
+	//	return deviceMap; // Empty deviceMap as an error
+	//}
+
+	// Create the System Device Enumerator
+	ICreateDevEnum *pDevEnum;
+	HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pDevEnum));
+
+	// If succeeded, create an enumerator for the category
+	IEnumMoniker *pEnum = NULL;
+	if (SUCCEEDED(hr)) {
+		hr = pDevEnum->CreateClassEnumerator(deviceClass, &pEnum, 0);
+		if (hr == S_FALSE) {
+			hr = VFW_E_NOT_FOUND;
+		}
+		pDevEnum->Release();
+	}
+
+	// Now we check if the enumerator creation succeeded
+	int deviceId = -1;
+	if (SUCCEEDED(hr)) {
+		// Fill the map with id and friendly device name
+		IMoniker *pMoniker = NULL;
+		while (pEnum->Next(1, &pMoniker, NULL) == S_OK) {
+
+			IPropertyBag *pPropBag;
+			HRESULT hr = pMoniker->BindToStorage(0, 0, IID_PPV_ARGS(&pPropBag));
+			if (FAILED(hr)) {
+				pMoniker->Release();
+				continue;
+			}
+
+			// Create variant to hold data
+			VARIANT var;
+			VariantInit(&var);
+
+			std::string deviceName;
+			std::string devicePath;
+
+			// Read FriendlyName or Description
+			hr = pPropBag->Read(L"Description", &var, 0); // Read description
+			if (FAILED(hr)) {
+				// If description fails, try with the friendly name
+				hr = pPropBag->Read(L"FriendlyName", &var, 0);
+			}
+			// If still fails, continue with next device
+			if (FAILED(hr)) {
+				VariantClear(&var);
+				continue;
+			}
+			// Convert to string
+			else {
+				deviceName = ConvertBSTRToMBS(var.bstrVal);
+			}
+
+			VariantClear(&var); // We clean the variable in order to read the next value
+
+								// We try to read the DevicePath
+			hr = pPropBag->Read(L"DevicePath", &var, 0);
+			if (FAILED(hr)) {
+				VariantClear(&var);
+				continue; // If it fails we continue with next device
+			}
+			else {
+				devicePath = ConvertBSTRToMBS(var.bstrVal);
+			}
+
+			// We populate the map
+			deviceId++;
+			Device currentDevice;
+			currentDevice.id = deviceId;
+			currentDevice.deviceName = deviceName;
+			currentDevice.devicePath = devicePath;
+			deviceMap[deviceId] = currentDevice;
+
+		}
+		pEnum->Release();
+	}
+	CoUninitialize();
+	return deviceMap;
+}
+
+/*
+This two methods were taken from
+https://stackoverflow.com/questions/6284524/bstr-to-stdstring-stdwstring-and-vice-versa
+*/
+
+std::string DeviceEnumerator::ConvertBSTRToMBS(BSTR bstr)
+{
+	int wslen = ::SysStringLen(bstr);
+	return ConvertWCSToMBS((wchar_t*)bstr, wslen);
+}
+
+std::string DeviceEnumerator::ConvertWCSToMBS(const wchar_t* pstr, long wslen)
+{
+	int len = ::WideCharToMultiByte(CP_ACP, 0, pstr, wslen, NULL, 0, NULL, NULL);
+
+	std::string dblstr(len, '\0');
+	len = ::WideCharToMultiByte(CP_ACP, 0 /* no flags */,
+		pstr, wslen /* not necessary NULL-terminated */,
+		&dblstr[0], len,
+		NULL, NULL /* no default char */);
+
+	return dblstr;
+}
--- a/pkg/OpenFace/lib/3rdParty/CameraEnumerator/DeviceEnumerator.h
+++ b/pkg/OpenFace/lib/3rdParty/CameraEnumerator/DeviceEnumerator.h
@@ -0,0 +1,31 @@
+#pragma once
+
+#include <Windows.h>
+#include <dshow.h>
+
+#pragma comment(lib, "strmiids")
+
+#include <map>
+#include <string>
+
+struct Device {
+	int id; // This can be used to open the device in OpenCV
+	std::string devicePath;
+	std::string deviceName; // This can be used to show the devices to the user
+};
+
+class DeviceEnumerator {
+
+public:
+
+	DeviceEnumerator() = default;
+	std::map<int, Device> getDevicesMap(const GUID deviceClass);
+	std::map<int, Device> getVideoDevicesMap();
+	std::map<int, Device> getAudioDevicesMap();
+
+private:
+
+	std::string ConvertBSTRToMBS(BSTR bstr);
+	std::string ConvertWCSToMBS(const wchar_t* pstr, long wslen);
+
+};
--- a/pkg/OpenFace/lib/3rdParty/CameraEnumerator/OpenCVDeviceEnumerator.cpp
+++ b/pkg/OpenFace/lib/3rdParty/CameraEnumerator/OpenCVDeviceEnumerator.cpp
@@ -0,0 +1,36 @@
+#include <map>
+#include <iostream>
+
+#include "DeviceEnumerator.h"
+
+int main()
+{
+
+	/*
+		The id field of the Device struct can be used with an OpenCV VideoCapture object
+	*/
+
+	DeviceEnumerator de;
+
+	// Audio Devices
+	std::map<int, Device> devices = de.getAudioDevicesMap();
+
+	// Print information about the devices
+	for (auto const &device : devices) {
+		std::cout << "== AUDIO DEVICE (id:" << device.first << ") ==" << std::endl;
+		std::cout << "Name: " << device.second.deviceName << std::endl;
+		std::cout << "Path: " << device.second.devicePath << std::endl;
+	}
+
+	// Video Devices
+	devices = de.getVideoDevicesMap();
+
+	// Print information about the devices
+	for (auto const &device : devices) {
+		std::cout << "== VIDEO DEVICE (id:" << device.first << ") ==" << std::endl;
+		std::cout << "Name: " << device.second.deviceName << std::endl;
+		std::cout << "Path: " << device.second.devicePath << std::endl;
+	}
+	
+}
+
--- a/pkg/OpenFace/lib/3rdParty/CameraEnumerator/readme.md
+++ b/pkg/OpenFace/lib/3rdParty/CameraEnumerator/readme.md
@@ -0,0 +1,32 @@
+# Device Enumerator for OpenCV 
+
+This project contains a *C++* class that allows the enumeration of devices using DirectShow in Windows, in order to select and obtain the ID that needs to be used with OpenCV when creating, for example, a VideoCapture object to grab frames from a camera. I decided to put this up as "How to get the ID of a device to use inside OpenCV?" is a question that pops up continuously.
+
+## Contents
+
+The project contains the class itself (DeviceEnumerator.h and DeviceEnumerator.cpp) and also an example of how to use the class (OpenCVDeviceEnumerator.cpp)
+
+## License
+
+MIT License
+
+Copyright (c) 2018 David Gil de Gómez Pérez (Studiosi)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+