2016-10-07 14:06 GMT+02:00 Moritz Barsnick <[email protected]>: > On Fri, Oct 07, 2016 at 13:07:53 +0200, Carl Eugen Hoyos wrote: >> 2016-10-06 17:34 GMT+02:00 Moritz Barsnick <[email protected]>: >> > $ ffmpeg -r 25 -f concat -i concatscript.txt -c:v copy output.mxf >> >> This scales very badly, no? > > It's just a proof of concept. :) It scales nicely (linearly? or is
I don't think so or at least I accept it to be magnitudes slower than using the symlinks. > seeking more expensive the deeper you seek?), and works > assuming you have CFR input and output, and you know > those rates, and ... , and ... > ;-) > > It "scales" better then writing every frame to disk and selecting > every second one by symlinking. That's 180000 intermediate > files plus 90000 symlinks for one hour of video. > Then I'd rather have ffmpeg seek into the input file 90000 times. But it actually opens the file 90000 times;-( Carl Eugen _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
