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mpeg/psi: Add J2K video descriptor #60

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@nafmo nafmo commented May 14, 2025

I recently needed to access the "J2K video descriptor" in an MPEGTS file (descriptor 50), to check the interlace mode of JPEG 2000 video. This patch implements enough code for me to get the value I needed, but nothing more.

As defined in ITU-T H.222.0
@nafmo nafmo force-pushed the J2K_descriptor branch from 5131e03 to 4967de9 Compare May 14, 2025 12:23
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