Query related to Closed Captioning Support in Gstreamer

TusharK csk18.jain at gmail.com
Mon Jan 11 05:14:12 UTC 2021


Thanks Andy for sharing the pipeline.
I wanted to use cc708overlay and ccextractor in the pipeline, tried below
pipeline.

gst-launch-1.0 filesrc location = input.mp4 ! decodebin ! ccextractor name=e
e.src ! o.video_sink \
   e.caption ! o.cc_sink \
   cc708overlay name=o ! videoconvert ! autovideosink -e -v

But I could not see closed caption drawn on video frame which get rendered.
It would be great if you could point me to reference stream with cea708?

Thanks,
Tushar



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