[FFmpeg-user] "error, non monotone timestamps"

[Roger Pack]

> There are several bugs in ffmpeg relating to straight copying.  There are
> many times when it could simply use the existing parameters for the output
> but instead substitutes inane values, then errors.  Lazy groidism is
> rampant.

What is your full command line and console output?
Also...writing with the intent to offend probably won't get you far. Anywhere.
-r