Problem on keyframe

[LuK03619]

Hi,
I'm writing here on GitHub because I don't understand why I can't cut at keyframe without problems.
Advance that I am not an expert on the subject, but I seem to have understood that to cut a video without re-encoding and without frame loss it is necessary to cut it at keyframe.

For example if I wanted to split a video into 2 parts (in my case I would do it because I would upload the video to telegram, and being limited to 2gb per file, the only thing I can do is this).
I open losslesscut, I load my file and I select a keyframe of my choice with the appropriate button, I select "split segment at cursor", at the end I export everything getting the two files.
The problem arises when I try to combine them with the ffmpeg's concat function.
At the assemblage point there is lag that I cannot explain to myself, also because I have already divided videos in this way and I have never encountered any problems.

I hope someone can help me.
In any case, the application is really well done and very intuitive, congratulations.

[mifi]

Hi. you could try to move the cut point slightly to the right of they keyframe.

[LuK03619]

Thanks, I'll try and I let you know

[mifi]

closing due to inactivity

[mifi]

@DGrv see more discussions/info here: #1216