fix: 摄像头翻转

This commit is contained in:
2026-09-02 11:25:33 +08:00
parent a00baa1770
commit c09189332d
2 changed files with 28 additions and 1 deletions
+26 -1
View File
@@ -8,6 +8,15 @@ import threading
import config import config
from logger_manager import logger_manager from logger_manager import logger_manager
_USE_CV = False
try:
import cv2
import numpy as np
from maix import image as _maix_image
_USE_CV = True
except ImportError:
pass
class CameraManager: class CameraManager:
"""相机管理器(单例)""" """相机管理器(单例)"""
@@ -101,7 +110,23 @@ class CameraManager:
with self._camera_lock: with self._camera_lock:
if self._camera is None: if self._camera is None:
self.init_camera() self.init_camera()
return self._camera.read() frame = self._camera.read()
if frame is not None and _USE_CV:
try:
v_flip = getattr(config, 'CAMERA_V_FLIP', False)
h_mirror = getattr(config, 'CAMERA_H_MIRROR', False)
if v_flip or h_mirror:
img_cv = _maix_image.image2cv(frame, False, False)
if v_flip and h_mirror:
img_cv = cv2.flip(img_cv, -1)
elif v_flip:
img_cv = cv2.flip(img_cv, 0)
elif h_mirror:
img_cv = cv2.flip(img_cv, 1)
frame = _maix_image.cv2image(img_cv, False, False)
except Exception:
pass
return frame
def show(self, image): def show(self, image):
""" """
+2
View File
@@ -15,6 +15,8 @@ LOCAL_FILENAME = APP_DIR + "/main_tmp.py"
# 相机初始化分辨率(CameraManager / main.py 使用) # 相机初始化分辨率(CameraManager / main.py 使用)
CAMERA_WIDTH = 640 CAMERA_WIDTH = 640
CAMERA_HEIGHT = 480 CAMERA_HEIGHT = 480
CAMERA_V_FLIP = True # 摄像头垂直翻转(上下颠倒时设为 True)
CAMERA_H_MIRROR = True # 摄像头水平镜像(左右反了时设为 True)
# 三角形检测缩图比例:默认按相机最长边缩到 1/2(性能更稳;可按需调整) # 三角形检测缩图比例:默认按相机最长边缩到 1/2(性能更稳;可按需调整)
# 取值范围建议 (0.25 ~ 1.0]1.0 表示不缩图 # 取值范围建议 (0.25 ~ 1.0]1.0 表示不缩图