[FFmpeg-user] Extra streams in gopro videos - how do I examine?

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Jun 7 14:56:03 CEST 2016


Jesper Taxbøl <jesper <at> taxboel.dk> writes:

> I am curious to find out what the two extra streams in my 
> GoPro Hero4 video are. How can I examine them and possibly 
> dump their contents in a textfile?

$ ffmpeg -i GP120116.MP4 -codec copy -map 0:3 -f rawvideo out
The other stream is nearly empty:
00000000  00 14 1c da                                       |....|
00000004

Carl Eugen


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