Grant Gilliam
c347acbd97
Front-loads the remaining visual adapters per the Signal→Meet→Zoom priority. All three reuse GridCallAnalyzer's coloured-border (saturated) detection path and share the new bottom-left name anchor: - GridCallAnalyzer: generalise nameAtBottom:Bool into a NameAnchor enum (.bottomCenter for Signal's centered footer, .bottomLeft for Meet/Zoom/Teams where the name hugs the tile's bottom-left corner, .center for completeness). tileRect estimates the tile up-and-right of a bottom-left name. - MeetAdapter (Google-blue ring, browser-hosted), ZoomAdapter (green/yellow border), TeamsAdapter (violet ring): coloured-border on, white-border off, bottom-left names. Geometry constants are first-pass pending real fixtures. - AdapterRegistry.adapter(for:) maps CallDetector.DetectedApp → AppAdapter so VisualObserver can be constructed when live visual capture is wired in; unmapped apps degrade to audio-only. Synthetic 4-tile tests: Meet picks each blue-bordered speaker with no adjacent-tile bleed, Zoom picks the green-bordered speaker, and Signal's white-only detector correctly ignores a coloured border. 18/18 XCTest pass.
46 lines
1.9 KiB
Swift
46 lines
1.9 KiB
Swift
import Foundation
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import CoreVideo
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/// Google Meet adapter (browser tab — capture is at the browser-window level).
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///
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/// Meet's active-speaker cue is a **coloured (Google-blue) ring/glow** around the
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/// speaking participant's tile, plus animated audio bars in the tile's mic chip.
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/// The participant **name sits in the tile's bottom-LEFT corner**, so the tile is
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/// estimated extending up and to the right of the name.
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///
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/// Detection *logic* is validated on synthetic frames; the geometry constants are a
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/// first pass and will be calibrated against real Meet screenshots. Meet runs in a
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/// browser, so there's no Accessibility name source we rely on — OCR only.
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struct MeetAdapter: AppAdapter {
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// Browsers that can host a Meet tab. The window, not the app, is what we capture;
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// CallDetector decides a browser window is a Meet call by its title.
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static let bundleIDs = [
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"com.google.Chrome", "org.mozilla.firefox", "com.apple.Safari",
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"company.thebrowser.Browser", "com.brave.Browser", "com.microsoft.edgemac",
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"com.google.Chrome.canary", "org.chromium.Chromium",
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]
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let adapterVersion = "meet-0.1.0"
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let preferredFPS = 3
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private let analyzer: GridCallAnalyzer
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init() {
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var config = GridCallAnalyzer.Config()
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config.nameAnchor = .bottomLeft
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config.detectColoredBorder = true // Google-blue speaking ring
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config.detectWhiteBorder = false
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config.tileExpandX = 3.0
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config.tileExpandY = 5.0
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self.analyzer = GridCallAnalyzer(config: config)
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}
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func analyze(frame: CVPixelBuffer, at t: TimeInterval) -> [SpeakerObservation] {
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analyzer.analyze(pixelBuffer: frame, at: t)
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}
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// Exposed for fixture/synthetic tests.
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func analyze(cgImage: CGImage, at t: TimeInterval) -> [SpeakerObservation] {
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analyzer.analyze(cgImage: cgImage, at: t)
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}
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}
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