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debug(4x3): log actual frame stream geometry at runtime

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3dtours
2026-09-08 21:01:15 +07:00
parent 30a2f768da
commit fcad148798
1 changed files with 35 additions and 5 deletions
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src/components/Viewfinder.tsx
+35 -5
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@@ -374,6 +374,9 @@ export default function Viewfinder({
// the preview flicker. All live values flow through the synchronizables.
type SkiaCameraOnFrame = NonNullable<ComponentProps<typeof SkiaCamera>['onFrame']>;
const toneFailLogged = useMemo(() => createSynchronizable<boolean>(false), []);
// DEBUG-4x3 (remove after diagnosis): log actual stream geometry at runtime.
const dbgCountSync = useMemo(() => createSynchronizable<number>(0), []);
const dbgLastSync = useMemo(() => createSynchronizable<string>(''), []);
// Composition band fed to the frame worklet: [active, viewAspect, fx, fy,
// fw, fh] where (fx,fy,fw,fh) is the photo-area rect (ratio band / polaroid
// window / wall window) normalized to the view. While active the worklet
@@ -438,14 +441,23 @@ export default function Viewfinder({
// sensor there. Equal-aspect bands (ratio 4:3 == native 3:4 sensor)
// then show the ENTIRE sensor; narrower bands crop like the export.
const feed = feedRectSync.getBlocking();
const bandActive = feed[0] > 0;
if (!bandActive) {
drawFullFrame();
return;
}
const ftW = frameTexture.width();
const ftH = frameTexture.height();
const orient = frame.orientation;
const dbgMir = frame.isMirrored === true;
const dbgCount = dbgCountSync.getBlocking();
dbgCountSync.setBlocking(dbgCount + 1);
const bandActive = feed[0] > 0;
if (!bandActive) {
// DEBUG-4x3 (remove): stream ground truth, no-band branch
const line = `ft=${ftW}x${ftH} o=${orient} mir=${dbgMir} band=0 feed=[${feed.map((f) => f.toFixed(3)).join(',')}]`;
if (dbgCount % 60 === 0 || line !== dbgLastSync.getBlocking()) {
dbgLastSync.setBlocking(line);
console.warn('[camdebug] ' + line);
}
drawFullFrame();
return;
}
const isLand = orient === 'left' || orient === 'right';
const ow = isLand ? ftH : ftW;
const oh = isLand ? ftW : ftH;
@@ -514,6 +526,12 @@ export default function Viewfinder({
const dh = s * ftH;
const dx = u0 + (rw - dw) / 2;
const dy = v0 + (rh - dh) / 2;
// DEBUG-4x3 (remove): full geometry log for the band branch
const line = `ft=${ftW}x${ftH} o=${orient} mir=${dbgMir} band=1 feed=[${feed.map((f) => f.toFixed(3)).join(',')}] up=${ow}x${oh} ac=${ac.toFixed(4)} vis=${visX.toFixed(3)}x${visY.toFixed(3)} X0=${X0.toFixed(0)} Y0=${Y0.toFixed(0)} X1=${X1.toFixed(0)} Y1=${Y1.toFixed(0)} raw=${u0.toFixed(0)},${v0.toFixed(0)} ${rw.toFixed(0)}x${rh.toFixed(0)} s=${s.toFixed(4)} d=${dx.toFixed(0)},${dy.toFixed(0)}`;
if (dbgCount % 60 === 0 || line !== dbgLastSync.getBlocking()) {
dbgLastSync.setBlocking(line);
console.warn('[camdebug] ' + line);
}
// Fresh paint; its default color is opaque black (Skia default), so
// the surface fill below needs no explicit color set.
const blackPaint = Skia.Paint();
@@ -603,6 +621,18 @@ export default function Viewfinder({
: [0, 0, 0, 0, 0, 0]
);
}, [cameraPhotoRect, vw, vh, feedRectSync]);
// DEBUG-4x3 (remove): correlate JS view/region state with the worklet log.
useEffect(() => {
console.log(
'[camdebug-js] region=' + JSON.stringify(region) +
' band=' + regionBand +
' ratio=' + aspectRatio +
' frame=' + selectedFrame +
' view=' + vw + 'x' + vh +
' feed=' + (cameraPhotoRect ? JSON.stringify([1, vw / vh, cameraPhotoRect.x / vw, cameraPhotoRect.y / vh, cameraPhotoRect.w / vw, cameraPhotoRect.h / vh]) : 'null')
);
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [region, regionBand, aspectRatio, selectedFrame, cameraPhotoRect]);
const onLibTouchStart = (e: any) => {
const ts = e.nativeEvent.touches;
if (ts.length >= 2) {