On 4/14/20, atticus via ffmpeg-user <[email protected]> wrote: > ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > On Tuesday, April 14, 2020 11:07 AM, Paul B Mahol <[email protected]> wrote: >> > I thought about this yesterday and came up with something like this: >> > ffmpeg -i in.JPG -filter_complex "[0:0]loop=loop=-1:start=0:size=100 >> > [looped] ; [looped] trim=start=0:end=10 [trimmed] ; [trimmed] >> > fade=type=in:start_frame=0:duration=3:color=black [fadeIn]" -map >> > [fadeIn] >> > -c:v h264 -r 60 out.mkv >> > or this >> > ffmpeg -loop 1 -i in.JPG -filter_complex "[0:0] trim=start=0:end=200 >> > [trimmed] ; [trimmed] fade=type=in:start_frame=0:duration=3:color=black >> > [fadeIn]" -map [fadeIn] -c:v h264 out2.mkv >> > (I'd just have to add a concat filter to the filter chain and an audio >> > stream). I'm just not quite sure if there is a more smart way to do this >> > (which for example would be a bit faster, since this is (in my opinion a >> > bit >> > slow for just duplicating a single frame). Well is there a smarter >> > and/or >> > faster way? >> > And can you recommend which of these two commands above might be the >> > better >> > one? >> >> Please use xfade filter instead. >> > > What for? To not fade out to black and fade then in from black? Or are there > other benefits of the xfade filter?
There is transition fadeblack: http://trac.ffmpeg.org/wiki/Xfade > > With kind regards > _______________________________________________ > 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". _______________________________________________ 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".
