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LPBourret
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Feb 4, 2026
LPBourret
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- update .md landing page and DDI specs with new entries, dev prop keys and driver-exclusive DDIs
- update sample app with support for new DDIs (face metadata and automatic framing kind a.k.a. option to select cineamtic automatic framing)
- update .md landing page and DDI specs with new entries, dev prop keys and driver-exclusive DDIs - update sample app with support for new DDIs (face metadata and automatic framing kind a.k.a. option to select cineamtic automatic framing)
deniss-msft
reviewed
Feb 4, 2026
| public uint TrackId; // Corresponding track id | ||
| }; | ||
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| public const int MAX_NUM_LANDMARKS = 70; |
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Is 70 arbitrary number or there's some actual limit?
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70 is the current limit as expressed in the DDI doc,
see https://github.com/microsoft/Windows-Camera/blob/user/lobourre/MEPv3Update/Samples/WindowsStudio/Windows%20Studio%20Effects%20DDIs.md#mf_windowsstudio_metadata_facelandmarks-frame-metadata
" The landmarks provided follow the Multi-PIE 68 points mark-up scheme and adds 2 extra points, one for each center of the iris, for a total of 70 tracked per face. "
deniss-msft
approved these changes
Feb 4, 2026
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