[FFmpeg-user] Problems at converting and splitting a MPEG file

[Roger Pack]

> The first output file (48-a.webm) seems to be OK, but the second output file
> (48-b.webm) starts too early, perhaps by a couple of frames, and so it has
> unwanted content in it.

Does ffprobe show that those frames are "too early"
Also I "think" that ffmpeg has "only i-frame seeking" for splitting so
take that into account.