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
.