Hi, I'm trying to extract a A53CC captions from AVFrameSideData.
There are some filter that are aware of this kind of side data
(sidedata) but I cannot find a way to have access to it (unless using
lavfi+movie).
I would like to be able to retrieve the CC bytes from a previously
decoded AVFrame and using ccaption_dec to format it in SRT (or any other
supported format).
I was thinking to create a Filter that receives an AVFrame and returns
an AVPacket.... but this combination seems no to be possible.
How can I extract AVSideData from a AVFrame and output it in a filter as
AV_CODEC_ID_EIA_608?
Thanks
lyncher
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