ByteScout Screen Capturing SDK - C++ (unmanaged) - Capture Video From Region Around Mouse - ByteScout

ByteScout Screen Capturing SDK – C++ (unmanaged) – Capture Video From Region Around Mouse

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How to capture video from region around mouse in C++ (unmanaged) with ByteScout Screen Capturing SDK

Tutorial on how to capture video from region around mouse in C++ (unmanaged)

The sample source code below will teach you how to capture video from region around mouse in C++ (unmanaged). ByteScout Screen Capturing SDK is the tool for developers who want to add screen capturing in their application. Can record screen into video and into single screenshots. Output formats are WMV, AVI, WebM for video and PNG for screenshots. You can adjust output video size, quality, resolution, framerate, video and audio codecs. Includes special privacy features for blacking out sensitive information on screen. Can also capture video from web camera, can add overlays with text or images. It can be used to capture video from region around mouse using C++ (unmanaged).

This rich sample source code in C++ (unmanaged) for ByteScout Screen Capturing SDK includes the number of functions and options you should do calling the API to capture video from region around mouse. In your C++ (unmanaged) project or application you may simply copy & paste the code and then run your app! Implementing C++ (unmanaged) application typically includes multiple stages of the software development so even if the functionality works please test it with your data and the production environment.

ByteScout free trial version is available for download from our website. It includes all these programming tutorials along with source code samples.

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CaptureRegionAroundMouse.cpp
      
// CaptureFromEntireScreen.cpp : Defines the entry point for the console application. // #include "stdafx.h" #import "BytescoutScreenCapturing.dll" using namespace BytescoutScreenCapturingLib; using namespace std; void usage(ICapturer* capturer); void setParams(int argc, _TCHAR* argv[], ICapturer* capturer); int _tmain(int argc, _TCHAR* argv[]) { ::CoInitialize(0); // Create Capturer instance CLSID clsid_ScreenCapturer; CLSIDFromProgID(OLESTR("BytescoutScreenCapturing.Capturer"), &clsid_ScreenCapturer); ICapturer* capturer = NULL; ::CoCreateInstance(clsid_ScreenCapturer, NULL, CLSCTX_ALL, __uuidof(ICapturer), (LPVOID*)&capturer); if (!capturer) { _ftprintf(stdout, _T("Screen Capturer is not installed properly.")); ::CoUninitialize(); return 1; } capturer->put_RegistrationName(_T("demo")); capturer->put_RegistrationKey(_T("demo")); // Set capturing type capturer->put_CapturingType(catMouse); // Set capturing area width and height capturer->put_CaptureRectWidth(640); capturer->put_CaptureRectHeight(480); // Set output video width and height capturer->put_OutputWidth(640); capturer->put_OutputHeight(480); // WMV and WEBM output use WMVVideoBitrate property to control output video bitrate // so try to increase it by x2 or x3 times if you think the output video are you are getting is laggy // capturer->put_WMVVideoBitrate(capturer->WMVVideoBitrate * 2); // set border style capturer->put_CaptureAreaBorderType(cabtDashed); capturer->put_CaptureAreaBorderWidth(2); capturer->put_CaptureAreaBorderColor(RGB(255, 0, 0)); // Set output file name capturer->OutputFileName = _T("Output.wmv"); // uncomment to enable recording of semitransparent or layered windows (Warning: may cause mouse cursor flickering) // capturer->CaptureTransparentControls = true; // Start capturing HRESULT hr = capturer->Run(); // IMPORTANT: if you want to check for some code if need to stop the recording then make sure you are // using Thread.Sleep(1) inside the checking loop, so you have the loop like // Do // Thread.Sleep(1) // While StopButtonNotClicked if (FAILED(hr)) { // Error handling CComBSTR s; capturer->get_LastError(&s); _ftprintf(stdout, _T("Capture failed: %s\n"), CString(s)); } else { _tprintf(_T("Starting capture - Hit Enter to stop ...\n")); int i = 0; TCHAR *spin = _T("|/-\\"); // Show some progress while (!_kbhit()) { _tprintf(_T("\rEncoding %c"), spin[i++]); i %= 4; Sleep(50); } // Stop after key press capturer->Stop(); _tprintf(_T("\nDone.")); getchar(); } // Release Capturer capturer->Release(); capturer = NULL; ::CoUninitialize(); return 0; }

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stdafx.cpp
      
// stdafx.cpp : source file that includes just the standard includes // CaptureFromEntireScreen.pch will be the pre-compiled header // stdafx.obj will contain the pre-compiled type information #include "stdafx.h" // TODO: reference any additional headers you need in STDAFX.H // and not in this file

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stdafx.h
      
// stdafx.h : include file for standard system include files, // or project specific include files that are used frequently, but // are changed infrequently // #pragma once #ifndef _WIN32_WINNT // Allow use of features specific to Windows XP or later. #define _WIN32_WINNT 0x0501 // Change this to the appropriate value to target other versions of Windows. #endif #include <stdio.h> #include <tchar.h> #include <atlbase.h> #include <atlstr.h> #include <conio.h>

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