On 5/17/19, Thomas Seilund <t...@netmaster.dk> wrote: > > On 17/05/2019 16.13, Paul B Mahol wrote: >> On 5/17/19, Thomas Seilund <t...@netmaster.dk> wrote: >>> Hi all >>> >>> I run this command as webcam connected at /dev/video2 points a piece of >>> paper with the text "123a". >>> >>> FFREPORT=file=ffreport.log:level=32 ffmpeg -y -loglevel debug -f v4l2 >>> -input_format mjpeg -s hd480 -r 30 -i /dev/video2 -filter_complex >>> "[0:0]fps=1,ocr=language=eng:whitelist=0123456789,metadata=print:key=lavfi.ocr.text,null[X]" >>> -map '[X]' -pix_fmt yuv420p -f xv Title >>> >>> Above I set whitelist to "0123456789" but still I see >>> "[Parsed_metadata_2 @ 0x55fb2537b9c0] lavfi.ocr.text=123a" in log file >>> ffreport.log >>> >>> Why is the letter "a" recognized when the letter "a" is not in the >>> whitelist? >> Probably because blacklist is empty. > > Thanks > > New command but same behaviour: > > FFREPORT=file=ffreport.log:level=32 ffmpeg -y -loglevel debug -f v4l2 > -input_format mjpeg -s hd480 -r 30 -i /dev/video2 -filter_complex > "[0:0]fps=1,ocr=language=eng:whitelist=0123456789:blacklist=abc,metadata=print:key=lavfi.ocr.text,null[X]" > -map '[X]' -pix_fmt yuv420p -f xv Title
It is tesseract bug, not ours. It worked before just fine. > >> >>> It is difficult to find ex. of ffmpeg with the ocr filter - any hints? >>> >>> Thanks in advance >>> >>> Thomas S >>> >>> _______________________________________________ >>> ffmpeg-user mailing list >>> ffmpeg-user@ffmpeg.org >>> https://ffmpeg.org/mailman/listinfo/ffmpeg-user >>> >>> To unsubscribe, visit link above, or email >>> ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". >> _______________________________________________ >> ffmpeg-user mailing list >> ffmpeg-user@ffmpeg.org >> https://ffmpeg.org/mailman/listinfo/ffmpeg-user >> >> To unsubscribe, visit link above, or email >> ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".