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human readable opencv camera names in windows

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williamwadsworth 2026-02-26 14:02:03 +00:00
parent c9117b62a0
commit 40f970130f
1 changed files with 9 additions and 0 deletions
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9
src/openflexure_microscope_server/things/camera/opencv_utils.py
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@ -3,6 +3,7 @@
import sys import sys
import cv2 import cv2
from cv2_enumerate_cameras import enumerate_cameras
if sys.platform.startswith("win"): if sys.platform.startswith("win"):
BACKEND = cv2.CAP_DSHOW BACKEND = cv2.CAP_DSHOW
@ -44,5 +45,13 @@ def identify_cameras(camera_ids: list[int]) -> dict[str, int]:
name_dict[camera_id] = f_obj.read().strip() name_dict[camera_id] = f_obj.read().strip()
except IOError: except IOError:
pass pass
if BACKEND == cv2.CAP_DSHOW:
try:
for camera_info in enumerate_cameras(cv2.CAP_DSHOW):
name_dict[camera_info.index] = camera_info.name
except IOError:
pass
# Swap order for return # Swap order for return
return {name: cam_id for cam_id, name in name_dict.items()} return {name: cam_id for cam_id, name in name_dict.items()}