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1c7d5f1359
Audited rotation across all four players after reports it misbehaves.
Android native rootView.rotation + layout swap — the ExoPlayer surface is
inside the rotated view, so video turns with it.
Tizen CSS for graphics AND AVPlay hardware-plane rotation for video. The
code says why: a CSS-rotated <video> "blacks out" on Tizen.
Web CSS transform. Correct — a browser composites video in the DOM.
BrightSign CSS transform only, inherited from the web player. BROKEN: with hwz
enabled the video decodes onto a hardware plane the DOM cannot
transform, so the images and widgets rotate and the video does not.
A portrait panel plays sideways video.
BrightSign is the platform that does not rotate correctly, and Tizen had already
found the same wall from the other side — any platform compositing video below
the DOM needs rotation done at the output.
roVideoMode takes a transform (normal/90/180/270) and rotating the screen rotates
EVERY layer, because it happens below the compositor rather than above it. The
player now asks the host first and, when the host succeeds, clears its own CSS
transform — otherwise the graphics rotate twice while the video rotates once.
The host reports success rather than assuming it: if it cannot rotate, the CSS
path stands, which turns most of the content instead of none of it, and the
promise resolves false rather than never settling. A portrait panel showing
landscape content with no clue why is the outcome worth avoiding.
1066 pass. The BrightScript needs hardware to verify; the decision path does not.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Uaeo9MvzKoyXuN6ZsbhtkL
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