[FFmpeg-user] 'Duration: N/A' for some videos ?

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Aug 29 14:46:15 CEST 2013

Shyam Sundar <sw.craftsman <at> gmail.com> writes:

> I am seeing Duration as N/A for number of videos ...

> $ ./ffprobe.exe C:/Rajiv/pixeltools.atsc.cea608.mpg
> ffprobe version 1.2

This is old.

mpeg2video only specifies a "maximum bitrate", no average 
bitrate. (The maximum bitrate is shown by newer versions.)
So the only possibility to find out the actual duration is 
to decode the video.

Carl Eugen

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