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libavformat/matroska: Support smpte 2094-50 metadata

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Add support for parsing and muxing smpte 2094-50 metadata. It will
be stored as an ITUT-T35 message in the BlockAdditional element with
an AddId type of 4 (which is reserved for ITUT-T35 in the matroska
spec).

https://www.matroska.org/technical/codec_specs.html#itu-t35-metadata

Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
This commit is contained in:
Vignesh Venkat
2026-04-14 15:12:10 -07:00
committed by James Almer
parent c1b19ee69f
commit 7faa6ee2aa
7 changed files with 69 additions and 8 deletions
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doc/APIchanges
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@@ -2,6 +2,9 @@ The last version increases of all libraries were on 2025-03-28
API changes, most recent first:
2026-04-xx - xxxxxxxxxx - lavc 60.30.100 - packet.h
Add AV_PKT_DATA_DYNAMIC_HDR_SMPTE_2094_APP5 side data type.
2026-04-09 - 6ba6db4f19 - lavu 60.30.100 - hdr_dynamic_metadata.h frame.h
Add AVDynamicHDRSmpte2094App5 struct and functions.
Add AV_FRAME_DATA_DYNAMIC_HDR_SMPTE_2094_APP5 side data type.