[WIN] [0.80] Tesseract loading languages #145

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claunia · 2026-01-29T16:36:24Z

claunia commented

2026-01-29 16:36:24 +00:00

Originally created by @canihavesomecoffee on GitHub (May 22, 2016).

Originally assigned to: @canihavesomecoffee on GitHub.

When calling CCExtractor on Windows on a file with DVB subtitles (which calls the OCR), it fails to find the tessdata folder, and gives the next error:

Error opening data file ./tessdata/eng.traineddata
Please make sure the TESSDATA_PREFIX environment variable is set to the parent directory of your "tessdata" directory.
Failed loading language 'eng'
Tesseract couldn't load any languages!

When using the GUI, there is no problem.

The issue is most likely (as logged), a problem with the relative path (./tessdata) which creates issues if called from outside the installation folder.

Relevant lines:

bcfdda5f8d/src/lib_ccx/ocr.c (L91)

bcfdda5f8d/src/lib_ccx/ocr.c (L44)

Originally created by @canihavesomecoffee on GitHub (May 22, 2016). Originally assigned to: @canihavesomecoffee on GitHub. When calling CCExtractor on Windows on a file with DVB subtitles (which calls the OCR), it fails to find the tessdata folder, and gives the next error: ``` Error opening data file ./tessdata/eng.traineddata Please make sure the TESSDATA_PREFIX environment variable is set to the parent directory of your "tessdata" directory. Failed loading language 'eng' Tesseract couldn't load any languages! ``` When using the GUI, there is no problem. The issue is most likely (as logged), a problem with the relative path (./tessdata) which creates issues if called from outside the installation folder. Relevant lines: https://github.com/CCExtractor/ccextractor/blob/bcfdda5f8d61844a12462d0e064bdddf838d4c6a/src/lib_ccx/ocr.c#L91 https://github.com/CCExtractor/ccextractor/blob/bcfdda5f8d61844a12462d0e064bdddf838d4c6a/src/lib_ccx/ocr.c#L44

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Reference: starred/ccextractor#145