Extract closed captions from mpeg2 stream

[Mano]

Hello All,

I am working on a project which requires extracting closed captions from a mpeg2 stream in order to use the CC text to pull up the relevant sign language signs which would help hearing impaired people in watching the program.

I could see that VLC 1.1.4 provides the option to enable closed caption channels(CC). Given that VLC is capable of reading the CC channel from the mpeg2 stream, is there a way to dump the CC from a streamed video in real time. This will help in using the CC text to achieve the above mentioned objective.

Thanks for any support!

Best,
Mano

[Jean-Baptiste Kempf]

So far, there isn't a way to extract it from VLC.

[Mano]

Thank for your reply!

I am willing to look into the vlc code to see if I could add this feature. Could someone give me some pointers to help me look in the right direction?

I tried CCExtractor which I believe is also opensource, but the only issue is that CCExtractor works on saved video files to extract the closed captions and not on live streams.

Thanks,
Mano