Hello,

I use virtualdub 64bit + x265 encoding + avisynth.
When opening the file with virtualdub i have no issue.
When opening the avs, if i play the video in virtual dub or seek somewhere, when i start the encoding process the last position few frame are
added to the start of the video after encoding.
You don't see it by virtualdub preview but only after finished process and reopening the file.

Can help?

Here is the script:
Video=Avisource("F:\test.avi")
TextSub(Video, "F:\test.srt")

Video is x265+ac3, just two stream.

Thanks in advance,
Have a good day,
Rgds,