For portable apps: place swscale-6.dll in the same folder as the .exe that needs it. Windows looks locally first.
Treat it with respect. Keep it in the application's folder. Never move it to System32. And if an app crashes, don't blame the DLL—blame the developer who shipped the wrong version of FFmpeg with their installer. swscale-6.dll
To the average user, it looks like a random collection of letters and numbers. To the Windows OS, it’s a potential threat (if placed in the wrong folder). But to those of us who deal with video processing, it is the unsung hero of color conversion, scaling, and format shifting. For portable apps: place swscale-6
swscale uses heavily optimized assembly (MMX, SSE, AVX2, AVX-512) to run on the CPU. It is incredibly fast, but it creates a if you are doing CPU encoding. Keep it in the application's folder