Robustesse DSLR + éclairage visage + fix pellicule cadre imposé

- 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:
2026-06-25 19:11:10 +02:00
parent 182042350d
commit 48f54ab70a
5 changed files with 219 additions and 26 deletions

View File

@@ -79,19 +79,31 @@ class Camera:
if source == "gphoto2" or source is None:
if GPHOTO2_DISPONIBLE:
cam = None
try:
self.camera = gp.Camera()
self.camera.init()
# Desactiver la mise en veille auto du DSLR (sinon il se deconnecte tout seul)
cam = gp.Camera()
try:
cam.exit()
except Exception:
pass
cam.init()
self.camera = cam
self._desactiver_veille_init()
# Viewfinder activé AVANT de rendre la caméra visible au thread preview
self._activer_viewfinder_init()
self.connectee = True
self.mode = "gphoto2"
self.preview_dslr_ok = True
log.info("Camera DSLR connectee (LiveView actif)")
return True
except gp.GPhoto2Error as e:
except Exception as e:
log.warning(f"Pas de DSLR : {e}")
if cam is not None and cam is not self.camera:
try:
cam.exit()
except Exception:
pass
del cam
self.camera = None
# Pas de DSLR disponible : mode erreur, pas de fallback
log.warning("Aucun DSLR disponible, camera non connectee")
@@ -116,25 +128,30 @@ class Camera:
def deconnecter(self, timeout: float = 3.0):
"""Deconnecte l'appareil photo avec timeout pour eviter le blocage PTP."""
if self.camera and GPHOTO2_DISPONIBLE:
cam_ref = self.camera
ctx_ref = self.contexte
if cam_ref and GPHOTO2_DISPONIBLE:
def _exit():
try:
self.camera.exit()
cam_ref.exit()
except Exception:
pass
t = threading.Thread(target=_exit, daemon=True)
t.start()
t.join(timeout=timeout)
if t.is_alive():
log.warning("camera.exit() bloque — abandon (le FD sera libere au GC)")
log.warning("camera.exit() bloque — force del camera/contexte pour liberer le FD USB")
if self.webcam:
self.webcam.release()
self.camera = None
self.contexte = None
del cam_ref
del ctx_ref
self.webcam = None
self.webcam_index = -1
self.connectee = False
self.mode = "simulation"
self.preview_dslr_ok = False
log.info("Camera deconnectee")
def capturer(self) -> Path | None:
@@ -160,13 +177,16 @@ class Camera:
for attempt in range(3):
try:
with self._gp_lock:
# Désactiver LiveView : miroir abaissé → AF phase-détection Canon disponible
if not self.camera:
log.error("Camera None pendant capture")
self.preview_dslr_ok = False
return None
try:
cfg = self.camera.get_config()
vf = cfg.get_child_by_name("viewfinder")
vf.set_value(0)
self.camera.set_config(cfg)
time.sleep(0.2) # Laisser le miroir descendre
time.sleep(0.2)
except Exception:
pass
log.info(f"Déclenchement capture DSLR (tentative {attempt+1}/3)")
@@ -177,8 +197,8 @@ class Camera:
)
tmp_path = str(chemin_dest) + ".tmp"
fichier_camera.save(tmp_path)
self.activer_viewfinder() # Miroir relevé immédiatement après la prise
self._chauffer_liveview() # Absorbe la stabilisation LiveView ici (spinner visible), pas sur le countdown suivant
self.activer_viewfinder()
self._chauffer_liveview()
from PIL import ImageOps as PILImageOps
img = PILImageOps.exif_transpose(PILImage.open(tmp_path))
if img.width > 4000:
@@ -194,6 +214,11 @@ class Camera:
time.sleep(0.5)
continue
log.error(f"Erreur capture DSLR : {e}")
self.preview_dslr_ok = False
return None
except Exception as e:
log.error(f"Erreur fatale capture DSLR : {e}")
self.preview_dslr_ok = False
return None
def _chauffer_liveview(self, tentatives: int = 8, pause: float = 0.15):
@@ -308,6 +333,8 @@ class Camera:
def _preview_gphoto2(self) -> bytes | None:
try:
with self._gp_lock:
if not self.camera:
return None
fichier = self.camera.capture_preview()
donnees = bytes(fichier.get_data_and_size())
img = cv2.imdecode(np.frombuffer(donnees, dtype=np.uint8), cv2.IMREAD_COLOR)
@@ -318,7 +345,7 @@ class Camera:
_, buf = cv2.imencode(".jpg", img, [cv2.IMWRITE_JPEG_QUALITY, 75])
return buf.tobytes()
return donnees
except gp.GPhoto2Error as e:
except Exception as e:
log.error(f"Erreur preview DSLR : {e}")
return None