On 1/25/16, Christian Johannesen <[email protected]> wrote: > On Sun, Jan 24, 2016 at 8:23 PM, Carl Eugen Hoyos <[email protected]> wrote: > >> Christian Johannesen <chrisjohannesen <at> gmail.com> writes: >> >> > Looked through all the documentation for FFMPEG and I can't >> > seem to find any video filters that deal with chroma dot >> > crawl & rainbow artifacts in files captured from analog >> > tape formats. >> >> One of the reasons we always ask for command line including >> complete, uncut console output is that it often helps >> understanding the original issue. >> >> I am not convinced I understand your issue but maybe you >> are searching for the interl option of the scale filter? >> $ ffmpeg -i test_720x486i_dotcrawl.mov -vf scale=interl=1,fieldmatch >> >> I opened ticket #5187 because of the green lines fieldmatch >> produces. >> >> Carl Eugen >> >> My goal was to remove some of the video artifacts before compressing to > x264. Sort of like this > http://home.earthlink.net/~tacosalad/video/dotcrawl.html > > I think I named my files more generally when I uploaded them. > test_720x486i_dotcrawl.mov shows more of the rainbow effect in some of the > detail areas than the dot crawl. I tested processing that clip to 23.98 in > this command line example. >
There is tcomb avisynth filter for removing dot crawl and rainbows from *static* parts of videos. _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
