enricobuehler
4e00037a89
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Stream reliability - Default to the stage-2 presenter (VTDecompressionSession + CAMetalLayer): it detects and recovers a wedged decoder, where stage-1's AVSampleBufferDisplayLayer freezes hard on a lost HEVC reference frame with no app-side recovery (confirmed Apple limitation). Stage 1 is now a DEBUG-only presenter toggle, plus the automatic no-Metal fallback. - Stage-2 pixel-perfect: render the drawable at the decoded size (shader stays 1:1 = identity) and let the layer's contentsGravity scale via the system compositor — the same path stage-1's videoGravity used — instead of scaling in-shader. - Loss recovery in both pumps is now a persistent awaitingIDR want, retried until an IDR actually lands, so a keyframe request swallowed by the throttle can't strand a frozen frame; 100 ms keyframe throttle to match the Android path. - Fix "Publishing changes from within view updates": defer the HostStore writes out of the .onChange(of: model.phase) callback. - Move AVAudioSession setActive/setCategory off the main thread (async on a shared serial queue) to stop the UI-stall warning. Controllers - Rumble: capped-exponential backoff when the gamecontrollerd.haptics XPC breaks (-4811) so a transient server interruption self-heals instead of cascading; playsHapticsOnly so a controller engine doesn't join the always-active streaming audio session. - Host cards: iPad pointer "magnet" hover effect; iPhone press scale + light haptic. UI / design - Ship Geist (SIL OFL 1.1) as the app font (bundled OTFs + registration), with the license surfaced in Acknowledgements. - Restructure iOS/iPadOS Settings into a category NavigationSplitView; resolution wheel with custom-resolution entry; 10-bit HDR toggle in Display. - Industrial host-card redesign (left-aligned, bold, brand monogram tiles). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
22 lines
839 B
Swift
22 lines
839 B
Swift
import XCTest
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#if canImport(Metal)
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import Metal
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@testable import PunktfunkKit
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final class MetalPresenterTests: XCTestCase {
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/// `MetalVideoPresenter.init?()` compiles the runtime Metal shaders (the BT.709/BT.2020 YUV→RGB
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/// fragment shaders plus the Catmull-Rom luma sampler). A `nil` result on a GPU-equipped host
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/// means a shader failed to compile — this catches a malformed shader before it silently
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/// degrades stage-2 to a stage-1 fallback on device.
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func testPresenterInitCompilesShaders() throws {
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guard MTLCreateSystemDefaultDevice() != nil else {
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throw XCTSkip("no Metal device available in this environment")
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}
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XCTAssertNotNil(
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MetalVideoPresenter(),
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"stage-2 Metal shaders failed to compile (presenter init returned nil)")
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}
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}
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#endif
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