ocr

Optical Character Recognition

This filter uses Tesseract for optical character recognition. To enable compilation of this filter, you need to configure FFmpeg with --enable-libtesseract.

It accepts the following options:

'datapath'

Set datapath to tesseract data. Default is to use whatever was set at installation.

'language'

Set language, default is "eng".

'whitelist'

Set character whitelist.

'blacklist'

Set character blacklist.

The filter exports recognized text as the frame metadata lavfi.ocr.text.