On 9/17/15, Moritz Barsnick <[email protected]> wrote: > On Thu, Sep 17, 2015 at 15:12:17 +0000, Paul B Mahol wrote: >> On 9/17/15, nicolab <[email protected]> wrote: >> > When I using ocr filter, how to output ocr text file ? > >> drawgraph accepts only floats values. >> >> ffplay ~/img.png -vf >> "ocr,split[ocr][o1],[ocr]lutyuv=y=0:u=128:v=128,drawtext=fontcolor=white:x=10:y=10:text=%{metadata\\:lavfi.ocr.text}[o2],[o1][o2]vstack" > > Whatever you're doing, Paul, isn't outputting to text file, as nicolab > requested. ;-) > > I think ffprobe is the correct approach. It can output - as text - the > metadata which the ocr filter inserts. > > I can't test, since none of my binaries has ocr support, but probably > something like: > > $ ffprobe -show_frames -f lavfi -i "movie=img.png,ocr" > > and some additional options for selecting the correct fields. > > ffmpeg also has an output format "ffmetadata", that might help as well > (but I guess it contains _all_ metadata, and fields can't be selected > or filtered).
ffprobe -show_entries frame_tags=lavfi.ocr.text -f lavfi -i "movie=img.png,ocr" > > Moritz > _______________________________________________ > 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
