[FFmpeg-user] Still images to video sequence?

[Paul B Mahol]

On Sun, Feb 20, 2022 at 4:19 AM Simon Roberts <
simon at dancingcloudservices.com> wrote:

> Thank you Leo, Michael, Ronnie, your info was very helpful. Michael's link
> to the crossfading part worked very nicely, and with -loop 1 and -shortest,
> the result repeats the images until the audio runs out. It seems that -loop
> takes a boolean, not a duration, at least that's what happened for me, but
> the loop instruction was also critical to keeping the show going until the
> audio file ran out.
>

Use xfade filter, it support non-trivial transitions between images.


>
> Much appreciate all your help, thank you,
> Cheers,
> Simon
>
>
> On Sat, Feb 19, 2022 at 11:05 AM Michael Koch <astroelectronic at t-online.de
> >
> wrote:
>
> > Am 19.02.2022 um 18:14 schrieb Simon Roberts:
> > > Hi all, I would like to create a video sequence built around a number
> of
> > > still images. Each image would be displayed for a number of seconds,
> then
> > > dissolve/fade (not certain of the terminology) into the next.
> > >
> > > To date, my experience with ffmpeg has been very limited, so I'm not
> sure
> > > where to start. Would anyone be willing to point me in the right
> > direction?
> >
> > A slideshow with crossfadings between the images can be realized with a
> > combination of the "zoompan" and "framerate" filters. See chapter 2.4 in
> > my book:
> > http://www.astro-electronic.de/FFmpeg_Book.pdf
> >
> > Michael
> >
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>
>
> --
> Simon Roberts
> (303) 249 3613
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