Suppression preview pendant capture : plus de conflit gphoto2, capture propre

backend/camera.py

@@ -1,7 +1,6 @@
 import io
 import logging
 import subprocess
-import threading
 import time
 from datetime import datetime
 
@@ -67,7 +66,6 @@ class Camera:
         self.webcam = None
         self.webcam_index = -1
         self.preview_dslr_ok = True  # True si le dernier preview DSLR a reussi
-        self._gp_lock = threading.Lock()  # Un seul appel gphoto2 a la fois
 
     def connecter(self, source=None) -> bool:
         """Connecte la camera. source: 'gphoto2', 'webcam:0', 'webcam:2', etc."""
@@ -225,8 +223,6 @@ class Camera:
             log.warning(f"Viewfinder non supporté : {e}")
 
     def _preview_gphoto2(self) -> bytes | None:
-        if not self._gp_lock.acquire(blocking=False):
-            return None  # Capture en cours, on saute ce frame
         try:
             fichier = self.camera.capture_preview()
             donnees = bytes(fichier.get_data_and_size())
@@ -241,8 +237,6 @@ class Camera:
         except gp.GPhoto2Error as e:
             log.error(f"Erreur preview DSLR : {e}")
             return None
-        finally:
-            self._gp_lock.release()
 
     def _preview_webcam(self) -> bytes | None:
         if not self.webcam or not self.webcam.isOpened():