? As you can see from your screenshot, you use the format factory to transcode, and the format factory does not support multi-core running together when transcoding. If you want to use multi-core transcoding or fast transcoding using GPU, you need to use other software.
? There are many softwares that support multi-thread conversion. I recommend a useful one and a professional one. Easy-to-use software recommends Magic Shadow Factory, and professional recommends MediaCoder. Among them, the magic shadow factory does not use all multi-cores when transcoding, but generally uses dual-cores, but the operation is simple, the conversion efficiency is high, GPU transcoding is supported, and the speed is extremely high. MediaCoder supports multi-core transcoding. My computer uses the mobile CPU of i7-3630QM, and all the cores can be called when transcoding, so the conversion speed is very fast. For example, I converted a miserable world with a volume of 16G into an mp4 file with a resolution of 720P under H264 encoding and a fixed bit rate of 3000k. When all the kernels are called, the transcoding time takes about one hour to complete. Half an hour has passed since the video with the same parameters was converted by the format factory, which is less than 10%. My graphics card is a hardware decoding mode supported by MediaCoder, so I switched to GPU transcoding. Under the same parameters, it only takes 14 minutes for the movie to complete the conversion. This shows that GPU transcoding is much faster than CPU.
? If you are interested in video parameters and need to set many details, then I recommend MediaCoder. If you don't know much about the parameters, it will be easier to use the shadow factory directly. Magic Shadow Factory also supports some parameter adjustment, but the accuracy is not high, but it is more suitable for ordinary people.
I hope I can help you.