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CCextractor says "OCR subsystem not present" although compiled with OCR support #198

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opened 2026-01-29 16:37:45 +00:00 by claunia · 0 comments
claunia commented 2026-01-29 16:37:45 +00:00
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Originally created by @ghost on GitHub (Nov 24, 2016).

On a Linux system I have compiled version 0.82 of CCextractor with these lines:

cmake -DWITH_OCR=ON ../src/
make
sudo make install

but when I run this command

ccextractor -pn 7176 -codec dvbsub Pointless.ts
(program number taken from 'mediainfo')

CCextractor amongst other outputs this:

Opening file: Pointless.ts
File seems to be a transport stream, enabling TS mode
Analyzing data in general mode
DVB subtitles detected, OCR subsystem not present. Use -out=spupng for graphic output
DVB subtitles detected, OCR subsystem not present. Use -out=spupng for graphic output
DVB subtitles detected, OCR subsystem not present. Use -out=spupng for graphic output
Creating Pointless.srt

The generated Pointless.srt is 3 bytes long and contains this hex string "bbef 00bf".

I have installed leptonica-devel and tesseract-ocr-devel.

Have I missed something during the compilation or/and am I using the wrong parameter in my call of CCextractor?

Originally created by @ghost on GitHub (Nov 24, 2016). On a Linux system I have compiled version 0.82 of CCextractor with these lines: `cmake -DWITH_OCR=ON ../src/` `make` `sudo make install` but when I run this command `ccextractor -pn 7176 -codec dvbsub Pointless.ts` (program number taken from 'mediainfo') CCextractor amongst other outputs this: `Opening file: Pointless.ts` `File seems to be a transport stream, enabling TS mode` `Analyzing data in general mode` `DVB subtitles detected, OCR subsystem not present. Use -out=spupng for graphic output` `DVB subtitles detected, OCR subsystem not present. Use -out=spupng for graphic output` `DVB subtitles detected, OCR subsystem not present. Use -out=spupng for graphic output` `Creating Pointless.srt` The generated Pointless.srt is 3 bytes long and contains this hex string "bbef 00bf". I **have** installed leptonica-devel and tesseract-ocr-devel. Have I missed something during the compilation or/and am I using the wrong parameter in my call of CCextractor?
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Reference: starred/ccextractor#198
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