Using Win7 x64, 8BG, i5-2401
Video file: mp4 (recorded with Logitech C920) around 200MB
What I really do is simply cut away some part of the video at the end.
I always put marker right at key frames, so no re-encoding should be needed.
With V6.1, when I save the trimmed video, the process takes more than 20 second, while displaying the message "slicing the clips" (or something similar)
But there is very little disk activity. So I'm guessing V6.1 is doing some kind of re-encoding or splitting audio/video stream etc.
Then I play the saved mp4 with potplayer. What really surprises me is that the saved video has noises once in a while. Looks alot like my TV reception signal gone bad for a while. There are big bad blocks appear for 1 or 2 seconds.
I tried different cut points but the noise still appear briefly (at roughly same point)
At first I thought it was my original file, but no, the playback is absolutely perfect.
Then I find an old V5.2, install and try it. Same clip, same cut point, saving takes only 3 seconds. The bar just move to 100%, seems just a copy is done (no processing at all)
The saved video plays just fine like the original.
No, sorry, V6.1 is not for me.