TianZer

any screenshot or file for testing？

Have you edited the ouput path in the table manually? How about the default output path and prefix?

You may get your file in F://Movie.mkv//pphhh.mkv. `Output path` is a path of dir, not a file, I don't recommend editing it manually.

I notice that ffmpeg does not recognize the video stream of your video file. Please paste the complete log.

@Cyberspiri hevc is not available for windows, please use mp4v, avc1, DXVA(fast but high memory usage) or vp09(slow).

@ JiaChen-Zeng I tested them based on v2.5.0 > I had the same problem. One is because I specified a folder that doesn't exist. It is OK to point to...

@JiaChen-Zeng However, in version 2.5, I did not handle the separator, normally, QT can handle various separators, but there may be problems on some systems. I guess the same problem...

@JiaChen-Zeng If possible, please help test version 2.6.0

@JiaChen-Zeng I'm sorry, QT's dependency is not complete. I repackaged [it](https://www.swisstransfer.com/d/a9cb6489-086c-4ed1-bb26-d1996809c12e)

@JiaChen-Zeng Test version was building without cuda support, so it's not a problem. You can check supported processor of this building in about dialog. And opencl implementation of nvidia is...