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Robustesse DSLR + éclairage visage + fix pellicule cadre imposé

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- camera.py: fix fuite FD USB sur échec reconnexion (gp.Camera non libéré),
  cleanup PTP session avant init, catch toutes exceptions preview/capture,
  deconnecter() avec timeout thread + force del pour libérer le port USB
- main.py: thread preview anti-crash (outer try/except), reconnexion DSLR
  même si preview actif, notification camera_erreur après échec capture,
  intégration module éclairage (analyse luminosité visage via WS)
- printer.py: mode pellicule (-2up) ignoré par le cadre imposé événement
- eclairage.py: nouveau module analyse luminosité visage (Haar + HSV)
- camera.js: indicateur éclairage temps réel (score/100 + visages)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Jules
2026-06-25 19:11:10 +02:00
parent 182042350d
commit 48f54ab70a
5 changed files with 219 additions and 26 deletions
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31
frontend/js/camera.js
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@@ -173,6 +173,37 @@ wsOnMessage('camera_ok', () => {
afficherErreurPreview(false);
});
wsOnMessage('eclairage', (msg) => {
if (captureEnCours) return;
let el = document.getElementById('indicateur-eclairage');
if (!el) {
el = document.createElement('div');
el.id = 'indicateur-eclairage';
el.style.cssText = 'position:fixed;top:12px;left:12px;padding:8px 16px;border-radius:12px;font-size:.9rem;font-weight:600;z-index:90;transition:all .3s;pointer-events:none;display:flex;align-items:center;gap:8px;';
document.body.appendChild(el);
}
const score = msg.score >= 0 ? msg.score : '?';
const faces = msg.visages || 0;
if (msg.action === 'allumer') {
el.style.background = 'rgba(239,68,68,.9)';
el.style.color = '#fff';
el.innerHTML = `☀️ ALLUMER <span style="opacity:.7;font-size:.8rem">${score}/100 · ${faces} visage${faces > 1 ? 's' : ''}</span>`;
} else if (msg.action === 'attention') {
el.style.background = 'rgba(245,158,11,.85)';
el.style.color = '#fff';
el.innerHTML = `⚠️ Faible <span style="opacity:.7;font-size:.8rem">${score}/100 · ${faces} visage${faces > 1 ? 's' : ''}</span>`;
} else if (msg.action === 'ok') {
el.style.background = 'rgba(34,197,94,.7)';
el.style.color = '#fff';
el.innerHTML = `✓ <span style="opacity:.7;font-size:.8rem">${score}/100 · ${faces} visage${faces > 1 ? 's' : ''}</span>`;
} else if (msg.action === 'no_face') {
el.style.background = 'rgba(100,100,120,.6)';
el.style.color = '#ccc';
el.innerHTML = `<span style="font-size:.8rem">Aucun visage</span>`;
}
el.style.display = '';
});
// --- Capture ---
async function lancerCapture() {