On 6/17/20, Rob Hallam <[email protected]> wrote: > On Wed, 17 Jun 2020 at 16:19, Rob Hallam <[email protected]> wrote: > >> So it seems that (i) xfade shortens the inputs' combined duration >> by half the transition duration; (ii) acrossfade does not shorten >> if there is no overlap (as expected); (iii) acrossfade shortens >> by the duration of fade if there is overlap. > > Pardon the self-reply, but I applied these observations > to my real-world files and they have consistent A/V > durations and seem to be in sync. Thanks to Paul for > the help. > > Is it worth documenting this on the wiki, or, not to put too > fine a point on it: am I the only one who has been initially > confused by this?
Your offset in xfade is 9 seconds, but it should be 8 seconds. Because duration of input is 10 seconds and transition duration is 2 seconds. _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
