>> You could also test mpdecimate with very high >> custom values, see: >> https://ffmpeg.org/ffmpeg-filters.html#mpdecimate > > Thanks. I will try both.
mpdecimate=hi=4096:lo=2048 This gave me what I wanted. Thanks! On Fri, Jan 8, 2016 at 9:25 AM, Takenori Sato <[email protected]> wrote: > Hi Carl, > > Thanks for your answer. > >> Your video does not contain a scene change;-( > > Ouch! > > Perhaps, I misunderstood "scene change". > > It is a test surveillance camera. > So mostly no change. > I wanted to get images when people passed by. > >> The following does approximately what you want >> but I am not sure if the select filter is >> appropriate at all: >> -vf select='gt(scene\,0.03)' > > I see. Then, by lowering the threshold, > I would get, at least, some images. > >> You could also test mpdecimate with very high >> custom values, see: >> https://ffmpeg.org/ffmpeg-filters.html#mpdecimate > > Thanks. I will try both. > > - Takenori > > On Thu, Jan 7, 2016 at 6:09 PM, Carl Eugen Hoyos <[email protected]> wrote: >> Takenori Sato <tsato <at> cloudian.com> writes: >> >>> I tried to get scene changes with the following >>> command, but failed to extract any scenes. >> >> Your video does not contain a scene change;-( >> >> The following does approximately what you want >> but I am not sure if the select filter is >> appropriate at all: >> -vf select='gt(scene\,0.03)' >> You could also test mpdecimate with very high >> custom values, see: >> https://ffmpeg.org/ffmpeg-filters.html#mpdecimate >> >> Carl Eugen >> >> _______________________________________________ >> ffmpeg-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
