[FFmpeg-user] Command being killed in perceptual hashing / ffmpeg in general

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue Oct 17 04:20:17 EEST 2017

2017-10-10 18:45 GMT+02:00 Aoife Fitzmaurice <afitzmaurice at irishfilm.ie>:
>>Does it crash because of oom, or for other reasons?
> Yes, it runs out of memory. The memory consumption is huge
> (80gbs) and swapping 60gbs over. A colleague of mine
> recreated the problem using test files :
> ffmpeg -f lavfi -i testsrc=size=1920x1080:rate=25  -c:v mpeg2video -t 01:03:00 -b:v 35000k -minrate 35000k -maxrate 35000k  -pix_fmt yuv420p -g 12 aftest1.mov && ffmpeg -f lavfi -i testsrc=size=1920x1080:rate=25  -c:v mpeg2video -t 00:28:06 -b:v 35000k -minrate 35000k -maxrate 35000k  -pix_fmt yuv420p -g 12 aftest2.mov

The problem is that the files have a significant difference in

Does it make sense to use the signature filter on two
files with very different length?

Thank you, Carl Eugen

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