Playback mp4 video

[ejmillan]

I wanted to answer before, but I don’t totally understand the question.
Do you mean to say that the reproduction advances of 6 in 6 frames?
What version of Shotcut and what operating system do you use?
Do you have the rescaling function activated?
Do you use the new proxy function of the latest version?

Regarding proxy you can look at something here:

Proxy Editing

Introduction Proxy editing is the process of creating and using low resolution videos and images in places of the original or optimized (Convert to Edit-friendly) files. This provides the advantage that your computer has less work to do in realtime while editing: decoding, scaling, and effects. This is, quite simply, because there are less pixels to compute. Then, when you are ready to export, it will use the original (or optimized) files for full quality. Performance is optimal when the pre…