Articles Tagged “C++”
11 articles tagged “C++”, newest first.
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DLL and COM Interface Backward Compatibility — A Decision Table for Which Changes Break Callers
Which changes to a DLL or COM component actually break their callers? We lay out the three layers of compatibility — binary, source, and behavioral — a decis...
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What Is MFC on Windows? Foundational Knowledge for Maintaining Existing Assets
An overview of the Microsoft Foundation Classes (MFC): its relationship to Win32, application structure, message maps, Document/View, DDX/DDV, and the things...
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A Checklist for Safely Handling Child Processes in Windows Apps
How to make child processes die with the parent on Windows: Job Objects, exit propagation, stdout/stderr draining, and watchdog placement, plus a checklist.
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Single-File Distribution of Windows Apps - Single Binaries and the Limits of OS Dependencies
When you want to ship a Windows app as a single EXE, the difference between shipping one artifact and eliminating OS dependencies matters. We work through .N...
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Shared Memory Pitfalls and Practical Best Practices
Shared memory is fast IPC, but it does not synchronize itself. How to avoid the classic traps: atomics, ABI and layout, lifetime, permissions, and recovery.
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How to Fairly Compare the Execution Speed of C#, C++, Java, and Go
How to fairly compare the execution speed of C#, C++, Java, and Go, covering measurement design, warm-up, environment pinning, how to read the statistics, an...
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How to Burn Images and Text into MP4 Frames with Media Foundation
How to burn an image and text into every frame of an MP4 with Media Foundation and produce a new MP4, organized around the roles of the Source Reader, drawin...
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How to Convert YUV to RGB with Media Foundation
Two ways to get RGB from YUV in Media Foundation: let the Source Reader output RGB32, or convert NV12/YUY2 yourself with stride and color matrix handled.
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Extracting a Still Image from an MP4 at a Specific Time with Media Foundation
How to grab the frame closest to a given time in an MP4 with the Source Reader, fix up stride and the RGB32 alpha byte, and save it as a PNG.
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Calling a C# Native AOT DLL from C/C++
Export C entry points from C# with Native AOT and UnmanagedCallersOnly and call them from C/C++ - project setup, string handling, and a working sample.
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An Introduction to Media Foundation - Understanding the API Through a COM Lens
We explain what Media Foundation is, together with the basic vocabulary of Windows media APIs - COM, HRESULT, IMFSourceReader, MFTs - in the order you should...