[FFmpeg-devel] [PATCH 3/3] directshow: add ability to read closed caption raw byte pairs from VBI pin

[Roger Pack]

Here's the final piece (to actually use the new codec), where we allow
to read raw CC 608 byte pairs from
analog directshow TV capture devices ("read" in a loose sense of the
term, it requires an intermediate dshow filter to extract the CC raw
bytes from the VBI incoming stream, but anyway it works).

Many thanks to grabien for sponsoring this effort, and to the
maintainers of the closed caption decoder and
everyone else which made it possible.
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