Propagate STL vertical position to WebVTT #87
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Thanks for the PR ❤️ Let me know if you need a tag 👍 |
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Thanks! I'd like a little tag please :) |
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It should work with both teletext (Max Number of Rows = 23) and in-vision (MNR=0..99) subtitles, but only tested on teletext subtitles (no-op if MNR == 0 to avoid zero division).
It propagates the STL VP to the WebVTT line attribute, as percentage, by diving the row number by the max number of rows.
For example, if VP = 22 in a teletext TTI, then percentage = int(22*100/23) = 95, thus it will output "line:95%" in the VTT file.