[FFmpeg-user] Problem with ffmpeg - Difference in duration time

[Lou]

On Wed, 2 Dec 2015 17:26:20 -0200
Ricardo Heyn Junior <ricardo at ricardo.net.br> wrote:

> Hello everyone,
> 
> I am new in ffmpeg, so please be kind. :)
> 
> I have two servers with ffmpeg installed correctly but one of them, the
> recently instalation shows me 01 second more in duration, as below:
> 
> - Old server:
> 
> # ffmpeg -i media/test.mp4
> ffmpeg version 1.0.10 Copyright (c) 2000-2014 the FFmpeg developers

Ancient and unsupported. I would trust the recent build.

[...]
>   Duration: 00:00:54.06, start: 0.000000, bitrate: 470 kb/s

> # ffmpeg -i media/test.mp4
> ffmpeg version N-76840-g5f2c233 Copyright (c) 2000-2015 the FFmpeg
> developers
[...]
>   Duration: 00:00:54.07, start: 0.000000, bitrate: 470 kb/s

A difference of 00:00:00.01. I wouldn't worry about it, but if you want
to you can fully decode the input as shown below. On the second to last
line in the console output see "time=". Is the value different?

  ffmpeg -i input -f null -