[FFmpeg-user] How to get video duration in a script using ffmpeg?

Reindl Harald h.reindl at thelounge.net
Thu Jan 20 03:01:46 EET 2022

Am 19.01.22 um 19:07 schrieb Carl Zwanzig:
> On 1/19/2022 3:23 AM, Bo Berglund wrote:
>> I have tried in various ways to limit the output of ffmpeg/ffprobe to 
>> the line
>> holding the duration but it seems impossible...
> Beware!
> Depending on the source of a recording, I've found that various methods 
> will report different values* for the duration, occasionally I've found 
> some to be just plane wrong (below). It also appears that some formats 
> tend to have more accurate durations than others, this is not a format 
> problem per se, it's how people encode to that.

the problem are things like "variable bitrate" and there are better 
tools as ffmpeg like mediainfo

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