[FFmpeg-user] DPX to prores sequence dropping frames

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Apr 18 22:50:55 CEST 2012

edgemar <koutwater <at> yahoo.com> writes:

> I'm trying to make a prores hq from dpx frames and when I select 23.98 or
> 24FPS as the frame rate I get dropped frames. At 25fps it works great. Here
> is the command:
> ffmpeg -f image2 -i sourcefile.0%05d.dpx -r 23.98 -b 50000000 -s 1920x1080
> -vcodec prores -profile 3 -acodec pcm_s241e test_output5.mov

Complete, uncut console output missing - it would have told you that since 
you did not specify a frame rate for the input, 25 fps was assumed which 
leads to frame drops if you don't want 25 fps as output frame rate.

(add -r 23.98 or better -r 24000/1001 before -i)

Carl Eugen

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