May just use boxblur. Because I don not want to make a gradient for every different size.
On Sat, Aug 23, 2014 at 5:28 AM, Lou <[email protected]> wrote: > On Fri, 22 Aug 2014 17:42:01 +0800 > Qianliang Zhang <[email protected]> wrote: > > > Hi everyone, > > > > I try blur video with 'boxblur' filter, and I find it helpful. But I want > > to blur my video with a gradient, any advice? > > Make a gradient that is the same size as your input video: > > $ convert -size 640x480 gradient: gradient.png > > Then use ffmpeg (untested example): > > $ ffmpeg -i video.mkv -loop 1 -i gradient.png -filter_complex \ > "[0:v]boxblur[blur]; \ > [blur][1:v]alphamerge[merged]; \ > [0:v][merged]overlay[out]" \ > -map "[out]" output.mkv > _______________________________________________ > 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
