On 14-12-28 at 18:33, Virgil Stokes wrote: > I have used FFmpeg to extract PNG images for each frame of some short AVI > files. > These AVIs were created for a research project in which a person's movements > were recorded over about 2 seconds at 25 fps. These extracted images are > then > processed and graphical objects are often superimposed on them; but, the PNG > images are always kept at the same size (720 x 576 Px). > > I use FFmpeg to merge these new PNG images back into an AVI file; then use > Miro > to convert the AVI to an MP4.The problem that I have been unable to solve is > that when I playback this MP4 file in an HTML5 video player with FireFox (or > Chrome or IE) they are so short that the viewer has little chance to examine > them. I would like to be able to show them frame-by-frame; but, this > apparently > is a rather difficult problem for the HTML5 video player. > > Is it possible to use FFmpeg to create a very slow AVI (e.g. 1 frame per > second) > or an MP4 file directly, that would allow the user to study the individual > images? I would be glad to provide one of these short AVIs for testing > purposes > if needed. https://trac.ffmpeg.org/wiki/Create%20a%20video%20slideshow%20from%20images
Has examples and everything. -- Simon Thelen _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
