Bullet-proof caméra : reconnexion auto + fix crash capture + AF LiveView
backend: - surveiller_dslr : fix condition qui court-circuitait le check santé quand mode==gphoto2 — watchdog surveille maintenant via preview_dslr_ok et reconnecte automatiquement après 15s d'échec (3x5s) - _pusher_preview : ne pas envoyer camera_erreur pendant capture_en_cours (race condition HTTP/WS : le POST /capturer peut arriver avant preview_stop) - api_capturer : force _preview_actif=False dès le début de la capture - _capture_gphoto2 : déclenche autofocusdrive avant la prise en LiveView frontend: - websocket.js : support multi-callbacks par type (wsOnMessage ne remplace plus le callback précédent, tous s'exécutent) - app.js : camera_erreur affiche bannière + reload dernier recours à 2min (plus 10s), camera_ok cache la bannière automatiquement - camera.js : camera_erreur abort capture + arreterPreview(); camera_ok reset captureAbortee Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
@@ -146,12 +146,24 @@ class Camera:
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else:
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else:
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return self._capture_simulation(chemin_dest)
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return self._capture_simulation(chemin_dest)
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def _declencher_af_liveview(self):
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"""Déclenche l'autofocus LiveView Canon avant la capture (best-effort)."""
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try:
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cfg = self.camera.get_config()
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af = cfg.get_child_by_name("autofocusdrive")
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af.set_value(1)
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self.camera.set_config(cfg)
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time.sleep(0.4) # Attendre que l'AF se verrouille
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except Exception:
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pass # Non supporté sur ce modèle ou en mode MF
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def _capture_gphoto2(self, chemin_dest: Path) -> Path | None:
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def _capture_gphoto2(self, chemin_dest: Path) -> Path | None:
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from PIL import Image as PILImage
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from PIL import Image as PILImage
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for attempt in range(3):
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for attempt in range(3):
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try:
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try:
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with self._gp_lock:
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with self._gp_lock:
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self._declencher_af_liveview()
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chemin_camera = self.camera.capture(gp.GP_CAPTURE_IMAGE)
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chemin_camera = self.camera.capture(gp.GP_CAPTURE_IMAGE)
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fichier_camera = gp.CameraFile()
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fichier_camera = gp.CameraFile()
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self.camera.file_get(
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self.camera.file_get(
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@@ -86,7 +86,8 @@ async def _pusher_preview():
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if donnees is None:
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if donnees is None:
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_preview_none_count += 1
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_preview_none_count += 1
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# Grace period : attendre plusieurs frames avant de signaler l'erreur
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# Grace period : attendre plusieurs frames avant de signaler l'erreur
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if camera.mode == "gphoto2" and _preview_none_count > _PREVIEW_GRACE_FRAMES:
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# Ne pas signaler pendant une capture (race condition HTTP/WS)
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if camera.mode == "gphoto2" and _preview_none_count > _PREVIEW_GRACE_FRAMES and not capture_en_cours:
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await diffuser_ws({"type": "camera_erreur", "message": "DSLR ne repond pas au preview"})
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await diffuser_ws({"type": "camera_erreur", "message": "DSLR ne repond pas au preview"})
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_preview_actif = False
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_preview_actif = False
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_preview_none_count = 0
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_preview_none_count = 0
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@@ -97,40 +98,46 @@ async def _pusher_preview():
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await diffuser_ws({"type": "preview", "image": f"data:image/jpeg;base64,{b64}"})
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await diffuser_ws({"type": "preview", "image": f"data:image/jpeg;base64,{b64}"})
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async def surveiller_dslr():
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async def surveiller_dslr():
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"""Verifie periodiquement si un DSLR est branche et bascule dessus."""
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"""Surveille le DSLR en continu : detecte les deconnexions et reconnecte automatiquement."""
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global _dslr_erreurs
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global _dslr_erreurs
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while True:
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while True:
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await asyncio.sleep(5)
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await asyncio.sleep(5)
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# Ne pas interférer pendant que le thread preview utilise la camera
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if capture_en_cours:
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if capture_en_cours or (camera.mode == "gphoto2" and camera.connectee):
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continue
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continue
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try:
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try:
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if GPHOTO2_DISPONIBLE:
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if not GPHOTO2_DISPONIBLE:
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dslrs = gp.Camera.autodetect()
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continue
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if camera.mode == "gphoto2":
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if camera.mode == "gphoto2" and camera.connectee:
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# Verifier que le DSLR repond encore
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# Le thread preview capture en permanence — preview_dslr_ok reflète la santé réelle
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try:
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if camera.preview_dslr_ok:
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camera.camera.get_summary()
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_dslr_erreurs = 0
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_dslr_erreurs = 0
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except Exception:
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else:
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_dslr_erreurs += 1
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_dslr_erreurs += 1
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if _dslr_erreurs >= 2:
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if _dslr_erreurs >= 3: # 3 x 5s = 15s sans preview valide
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log.warning("DSLR ne repond plus, reconnexion...")
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log.warning("DSLR ne repond plus (preview KO depuis 15s), reconnexion forcee...")
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_dslr_erreurs = 0
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_dslr_erreurs = 0
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camera.deconnecter()
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camera.deconnecter()
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camera.connectee = False
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await diffuser_ws({"type": "camera_erreur", "message": "Appareil photo deconnecte"})
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camera.mode = "erreur"
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await asyncio.sleep(2) # Laisser le bus USB se reinitialiser
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await diffuser_ws({"type": "camera_erreur", "message": "Probleme de communication avec l'appareil photo"})
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# Tenter de reconnecter en boucle
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if len(dslrs) > 0:
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camera.connecter(source="gphoto2")
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camera.connecter(source="gphoto2")
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if camera.connectee:
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if camera.connectee:
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log.info("DSLR reconnecte avec succes")
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await diffuser_ws({"type": "camera_ok"})
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await diffuser_ws({"type": "camera_ok"})
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elif len(dslrs) > 0:
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else:
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log.info(f"DSLR detecte : {dslrs[0][0]}, bascule automatique")
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log.warning("Echec reconnexion DSLR — nouvelle tentative dans 5s")
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else:
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# Non connecte : chercher et connecter un DSLR disponible
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dslrs = gp.Camera.autodetect()
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if len(dslrs) > 0:
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log.info(f"DSLR detecte : {dslrs[0][0]}, connexion automatique...")
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camera.connecter(source="gphoto2")
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camera.connecter(source="gphoto2")
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except Exception:
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if camera.connectee:
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pass
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log.info("DSLR connecte avec succes")
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await diffuser_ws({"type": "camera_ok"})
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else:
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log.warning("Echec connexion DSLR detecte")
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except Exception as e:
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log.debug(f"surveiller_dslr: {e}")
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@asynccontextmanager
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@asynccontextmanager
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@@ -259,6 +266,7 @@ async def api_capturer():
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return JSONResponse({"erreur": "Limite de photos atteinte"}, status_code=403)
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return JSONResponse({"erreur": "Limite de photos atteinte"}, status_code=403)
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capture_en_cours = True
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capture_en_cours = True
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_preview_actif = False # Eviter faux camera_erreur si race condition HTTP avant preview_stop
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try:
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try:
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loop = asyncio.get_event_loop()
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loop = asyncio.get_event_loop()
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chemin = await loop.run_in_executor(None, camera.capturer)
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chemin = await loop.run_in_executor(None, camera.capturer)
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@@ -360,17 +360,19 @@ wsOnMessage('config_maj', (msg) => {
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appliquerConfig();
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appliquerConfig();
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});
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});
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// Erreur camera : afficher overlay + rechargement auto apres 10s (kiosk seulement)
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// Erreur camera : overlay visible sur tous les ecrans, reconnexion automatique cote backend
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let _erreurCameraTimer = null;
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let _erreurCameraTimer = null;
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wsOnMessage('camera_erreur', (msg) => {
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wsOnMessage('camera_erreur', () => {
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if (window.location.pathname === '/admin') return;
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if (window.location.pathname === '/admin') return;
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document.getElementById('camera-erreur').classList.remove('cache');
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document.getElementById('camera-erreur').classList.remove('cache');
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// Reload de dernier recours si la camera ne revient pas apres 2 min
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if (_erreurCameraTimer) clearTimeout(_erreurCameraTimer);
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if (_erreurCameraTimer) clearTimeout(_erreurCameraTimer);
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_erreurCameraTimer = setTimeout(() => { location.reload(); }, 10000);
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_erreurCameraTimer = setTimeout(() => { location.reload(); }, 120000);
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});
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});
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wsOnMessage('camera_ok', () => {
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wsOnMessage('camera_ok', () => {
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document.getElementById('camera-erreur').classList.add('cache');
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document.getElementById('camera-erreur').classList.add('cache');
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if (_erreurCameraTimer) { clearTimeout(_erreurCameraTimer); _erreurCameraTimer = null; }
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});
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});
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// Surveillance imprimante — poll toutes les 30s
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// Surveillance imprimante — poll toutes les 30s
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@@ -72,11 +72,13 @@ wsOnMessage('preview', (msg) => {
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resetPreviewTimeout();
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resetPreviewTimeout();
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});
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});
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// Erreur camera : abort capture en cours + retour accueil automatique
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// Erreur camera : abort capture + retour accueil si on est en train de capturer
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wsOnMessage('camera_erreur', () => {
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wsOnMessage('camera_erreur', () => {
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captureAbortee = true;
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captureAbortee = true;
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arreterPreview();
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if (ecranActuel === 'capture') {
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if (ecranActuel === 'capture') {
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afficherErreurCapture('Appareil photo déconnecté', 'Retour dans 4 secondes...');
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// Retour accueil automatique en 4s (afficherErreurCapture le fait)
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afficherErreurCapture('Appareil photo déconnecté', 'Reconnexion en cours...');
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}
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}
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});
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});
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@@ -18,8 +18,8 @@ function wsConnecter() {
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ws.onmessage = (event) => {
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ws.onmessage = (event) => {
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const msg = JSON.parse(event.data);
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const msg = JSON.parse(event.data);
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const cb = wsCallbacks[msg.type];
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const cbs = wsCallbacks[msg.type];
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if (cb) cb(msg);
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if (cbs) cbs.forEach(cb => cb(msg));
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};
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};
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ws.onclose = () => {
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ws.onclose = () => {
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@@ -39,7 +39,8 @@ function wsEnvoyer(msg) {
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}
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}
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function wsOnMessage(type, callback) {
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function wsOnMessage(type, callback) {
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wsCallbacks[type] = callback;
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if (!wsCallbacks[type]) wsCallbacks[type] = [];
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wsCallbacks[type].push(callback);
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}
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}
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// Connexion au demarrage
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// Connexion au demarrage
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