537 lines
23 KiB
Python
537 lines
23 KiB
Python
import cv2
|
||
import tkinter as tk
|
||
from tkinter import Canvas
|
||
from PIL import Image, ImageTk
|
||
import threading
|
||
import numpy as np
|
||
import warnings
|
||
import os
|
||
from config import config_manager
|
||
|
||
# 抑制OpenCV的警告信息（兼容不同版本）
|
||
import sys
|
||
import io
|
||
|
||
os.environ['OPENCV_LOG_LEVEL'] = 'SILENT'
|
||
os.environ['OPENCV_IO_ENABLE_OPENEXR'] = '0'
|
||
|
||
try:
|
||
if hasattr(cv2, 'setLogLevel'):
|
||
if hasattr(cv2, 'LOG_LEVEL_SILENT'):
|
||
cv2.setLogLevel(cv2.LOG_LEVEL_SILENT)
|
||
elif hasattr(cv2, 'LOG_LEVEL_ERROR'):
|
||
cv2.setLogLevel(cv2.LOG_LEVEL_ERROR)
|
||
elif hasattr(cv2, 'utils'):
|
||
cv2.utils.setLogLevel(0)
|
||
except Exception:
|
||
pass
|
||
|
||
class PreviewWindow:
|
||
"""采集卡预览窗口"""
|
||
def __init__(self):
|
||
self.config = config_manager.config
|
||
self.caps = {}
|
||
self.frames = {}
|
||
self.large_window = None
|
||
self.running = True
|
||
|
||
def init_cameras(self):
|
||
"""初始化所有相机"""
|
||
print("🔧 开始初始化采集卡...")
|
||
loaded_count = 0
|
||
|
||
# 如果没有活动配置，加载所有配置
|
||
active_groups = [g for g in self.config['groups'] if g.get('active', True)]
|
||
if not active_groups:
|
||
print("⚠️ 没有活动的配置组，将尝试加载所有配置组")
|
||
active_groups = self.config['groups']
|
||
|
||
# 重定向stderr来抑制OpenCV的错误输出
|
||
old_stderr = sys.stderr
|
||
suppressed_output = io.StringIO()
|
||
|
||
try:
|
||
sys.stderr = suppressed_output
|
||
|
||
for i, group in enumerate(active_groups):
|
||
try:
|
||
cam_idx = group['camera_index']
|
||
print(f" 尝试打开采集卡 {cam_idx} ({group['name']})...")
|
||
|
||
cap = None
|
||
# 尝试多种后端打开
|
||
backends_to_try = [
|
||
(int(cam_idx), cv2.CAP_DSHOW),
|
||
(int(cam_idx), cv2.CAP_ANY),
|
||
(int(cam_idx), None),
|
||
]
|
||
|
||
for idx, backend in backends_to_try:
|
||
try:
|
||
with warnings.catch_warnings():
|
||
warnings.filterwarnings('ignore')
|
||
if backend is not None:
|
||
cap = cv2.VideoCapture(idx, backend)
|
||
else:
|
||
cap = cv2.VideoCapture(idx)
|
||
|
||
if cap.isOpened():
|
||
# 测试读取一帧
|
||
ret, test_frame = cap.read()
|
||
if ret and test_frame is not None:
|
||
break
|
||
else:
|
||
cap.release()
|
||
cap = None
|
||
except Exception:
|
||
if cap:
|
||
try:
|
||
cap.release()
|
||
except:
|
||
pass
|
||
cap = None
|
||
continue
|
||
|
||
if cap and cap.isOpened():
|
||
try:
|
||
cap.set(cv2.CAP_PROP_FRAME_WIDTH, group['camera_width'])
|
||
cap.set(cv2.CAP_PROP_FRAME_HEIGHT, group['camera_height'])
|
||
except Exception as e:
|
||
print(f" ⚠️ 设置分辨率失败: {e}")
|
||
|
||
self.caps[i] = {
|
||
'cap': cap,
|
||
'group': group,
|
||
'name': group['name']
|
||
}
|
||
loaded_count += 1
|
||
print(f" ✅ 采集卡 {cam_idx} 初始化成功")
|
||
else:
|
||
print(f" ❌ 采集卡 {cam_idx} 无法打开")
|
||
except Exception as e:
|
||
print(f" ❌ 采集卡 {group.get('camera_index', '?')} 初始化失败: {e}")
|
||
import traceback
|
||
traceback.print_exc()
|
||
finally:
|
||
# 恢复stderr
|
||
sys.stderr = old_stderr
|
||
|
||
if loaded_count == 0:
|
||
print("⚠️ 警告：没有成功加载任何采集卡！")
|
||
print("请检查：")
|
||
print("1. 采集卡是否正确连接")
|
||
print("2. 采集卡索引是否正确")
|
||
print("3. 是否有活动的配置组")
|
||
else:
|
||
print(f"✅ 成功加载 {loaded_count} 个采集卡")
|
||
|
||
def capture_frames(self):
|
||
"""捕获帧"""
|
||
while self.running:
|
||
for idx, data in self.caps.items():
|
||
try:
|
||
ret, frame = data['cap'].read()
|
||
if ret and frame is not None:
|
||
# 裁剪到配置的区域
|
||
height, width = frame.shape[:2]
|
||
crop_top = 30
|
||
crop_bottom = min(crop_top + 720, height)
|
||
crop_width = min(1280, width)
|
||
|
||
# 确保裁剪范围有效
|
||
if crop_bottom > crop_top and crop_width > 0:
|
||
frame = frame[crop_top:crop_bottom, 0:crop_width]
|
||
|
||
# 转换颜色空间
|
||
frame_rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
|
||
self.frames[idx] = frame_rgb
|
||
else:
|
||
print(f"⚠️ 采集卡 {idx} 裁剪参数无效")
|
||
else:
|
||
# 读取失败，清除旧帧
|
||
if idx in self.frames:
|
||
self.frames[idx] = None
|
||
except Exception as e:
|
||
print(f"捕获帧 {idx} 错误: {e}")
|
||
import traceback
|
||
traceback.print_exc()
|
||
|
||
import time
|
||
time.sleep(0.01) # 避免CPU占用过高
|
||
|
||
def create_grid_window(self):
|
||
"""创建网格窗口"""
|
||
# 重新加载配置，确保获取最新值
|
||
config_manager.load_config()
|
||
self.config = config_manager.config
|
||
|
||
# 获取显示配置
|
||
display = self.config.get('display', {})
|
||
preview_width = display.get('preview_width', 1000)
|
||
preview_height = display.get('preview_height', 700)
|
||
columns = display.get('preview_columns', 2)
|
||
rows = display.get('preview_rows', 2)
|
||
|
||
# 验证配置值是否有效（防止读取到无效的小值）
|
||
if preview_width < 100 or preview_height < 100:
|
||
print(f"⚠️ 警告: 配置中的预览尺寸无效 ({preview_width}x{preview_height})，使用默认值")
|
||
preview_width = 1000
|
||
preview_height = 700
|
||
|
||
if columns < 1 or columns > 10:
|
||
columns = 2
|
||
if rows < 1 or rows > 10:
|
||
rows = 2
|
||
|
||
# 调试输出配置值
|
||
print(f"📐 预览窗口配置: {preview_width}x{preview_height}, 网格: {columns}x{rows}")
|
||
|
||
root = tk.Tk()
|
||
root.title("采集卡预览 - 点击放大")
|
||
root.geometry(f"{preview_width}x{preview_height}")
|
||
root.update_idletasks() # 立即更新窗口尺寸
|
||
|
||
canvas = Canvas(root, bg='black', width=preview_width, height=preview_height)
|
||
canvas.pack(fill=tk.BOTH, expand=True)
|
||
|
||
# 存储图像对象
|
||
self.photo_objects = {}
|
||
|
||
# 用于控制调试输出（只打印前几次）
|
||
self.debug_count = 0
|
||
|
||
def update_frames_once():
|
||
"""在主线程中更新一帧（使用after循环）"""
|
||
if not self.running:
|
||
return
|
||
try:
|
||
# 如果没有加载任何采集卡，显示提示
|
||
if not self.caps:
|
||
canvas.delete("all")
|
||
canvas.create_text(
|
||
root.winfo_width() // 2,
|
||
root.winfo_height() // 2,
|
||
text="未找到可用的采集卡\n\n请检查：\n1. 采集卡是否正确连接\n2. 配置组是否有活动的采集卡\n3. 采集卡索引是否正确",
|
||
fill='yellow',
|
||
font=('Arial', 14),
|
||
justify=tk.CENTER
|
||
)
|
||
root.after(33, update_frames_once)
|
||
return
|
||
|
||
# 计算每个预览窗口的位置和大小
|
||
# 直接使用配置值作为画布尺寸（macOS上窗口尺寸可能在显示前返回默认值）
|
||
canvas_width = preview_width
|
||
canvas_height = preview_height
|
||
|
||
# 尝试获取实际的窗口尺寸，如果有效则使用（大于配置值说明可能被手动调整了）
|
||
try:
|
||
root.update_idletasks()
|
||
actual_width = root.winfo_width()
|
||
actual_height = root.winfo_height()
|
||
|
||
# 只有在获取到合理的尺寸时才使用（大于100像素）
|
||
if actual_width > 100 and actual_height > 100:
|
||
canvas_width = actual_width
|
||
canvas_height = actual_height
|
||
except:
|
||
pass # 如果获取失败，使用配置值
|
||
|
||
cell_width = max(10, canvas_width // columns)
|
||
cell_height = max(10, canvas_height // rows)
|
||
|
||
# 先收集所有需要显示的图像
|
||
images_to_draw = []
|
||
texts_to_draw = []
|
||
frame_idx = 0
|
||
|
||
# 确保至少有一些采集卡数据
|
||
if not self.caps:
|
||
texts_to_draw.append((canvas_width // 2, canvas_height // 2, "未找到采集卡", 'red'))
|
||
|
||
for idx in self.caps.keys():
|
||
row = frame_idx // columns
|
||
col = frame_idx % columns
|
||
x = col * cell_width
|
||
y = row * cell_height
|
||
center_x = x + cell_width // 2
|
||
center_y = y + cell_height // 2
|
||
name = self.caps[idx]['name']
|
||
|
||
# 检查帧数据
|
||
has_frame = idx in self.frames and self.frames[idx] is not None
|
||
|
||
if has_frame:
|
||
# 调整图像大小
|
||
try:
|
||
frame = self.frames[idx]
|
||
h, w = frame.shape[:2]
|
||
|
||
# 确保尺寸有效
|
||
if w <= 0 or h <= 0:
|
||
texts_to_draw.append((center_x, center_y, f"{name}\n尺寸无效", 'red'))
|
||
frame_idx += 1
|
||
continue
|
||
|
||
# 计算缩放比例，留一些边距
|
||
scale = min(cell_width / w, cell_height / h, 1.0) * 0.85
|
||
new_w = max(1, int(w * scale))
|
||
new_h = max(1, int(h * scale))
|
||
|
||
# 确保缩放后的尺寸有效
|
||
if new_w <= 0 or new_h <= 0:
|
||
texts_to_draw.append((center_x, center_y, f"{name}\n缩放失败", 'red'))
|
||
frame_idx += 1
|
||
continue
|
||
|
||
# 调试输出（仅前几次，避免刷屏）
|
||
if frame_idx == 0 and len(images_to_draw) == 0:
|
||
self.debug_count += 1
|
||
if self.debug_count <= 3: # 只打印前3次
|
||
print(f"🔍 预览调试 #{self.debug_count}:")
|
||
print(f" 配置尺寸: {preview_width}x{preview_height}")
|
||
print(f" 实际画布: {canvas_width}x{canvas_height}")
|
||
print(f" 单元格大小: {cell_width}x{cell_height}")
|
||
print(f" 原始帧: {w}x{h}")
|
||
print(f" 缩放后: {new_w}x{new_h}")
|
||
|
||
resized_frame = cv2.resize(frame, (new_w, new_h))
|
||
|
||
# 转换为PIL图像
|
||
# 确保颜色通道正确（BGR -> RGB）
|
||
if len(resized_frame.shape) == 3 and resized_frame.shape[2] == 3:
|
||
resized_frame = cv2.cvtColor(resized_frame, cv2.COLOR_BGR2RGB)
|
||
pil_image = Image.fromarray(resized_frame)
|
||
photo = ImageTk.PhotoImage(image=pil_image)
|
||
# 保持引用，避免被GC
|
||
self.photo_objects[idx] = photo
|
||
|
||
images_to_draw.append((photo, center_x, center_y))
|
||
texts_to_draw.append((center_x, y + 15, name, 'white'))
|
||
|
||
frame_idx += 1
|
||
except Exception as e:
|
||
# 忽略pyimage相关错误，避免刷屏
|
||
if "pyimage" not in str(e).lower():
|
||
print(f"处理帧 {idx} 错误: {e}")
|
||
import traceback
|
||
traceback.print_exc()
|
||
# 如果处理失败，显示等待提示
|
||
texts_to_draw.append((center_x, center_y, f"{name}\n处理失败", 'red'))
|
||
frame_idx += 1
|
||
else:
|
||
# 显示等待提示
|
||
texts_to_draw.append((center_x, center_y, f"{name}\n等待画面...", 'gray'))
|
||
frame_idx += 1
|
||
|
||
# 清空画布
|
||
canvas.delete("all")
|
||
|
||
# 先绘制所有图像（底层）
|
||
if self.debug_count <= 3:
|
||
print(f"📊 绘制状态: {len(images_to_draw)} 个图像, {len(texts_to_draw)} 个文本, 画布={canvas_width}x{canvas_height}")
|
||
|
||
if images_to_draw:
|
||
for i, (photo, x, y) in enumerate(images_to_draw):
|
||
try:
|
||
# 确保坐标在画布范围内
|
||
if 0 <= x <= canvas_width and 0 <= y <= canvas_height:
|
||
canvas.create_image(x, y, image=photo, anchor='center')
|
||
if self.debug_count <= 3 and i == 0:
|
||
print(f" 绘制图像 #{i} 到位置 ({x}, {y})")
|
||
else:
|
||
if self.debug_count <= 3:
|
||
print(f" ⚠️ 图像 #{i} 位置 ({x}, {y}) 超出画布范围")
|
||
except Exception as e:
|
||
print(f" 绘制图像 #{i} 错误: {e}")
|
||
import traceback
|
||
traceback.print_exc()
|
||
else:
|
||
# 如果没有图像，至少显示一些提示
|
||
if self.debug_count <= 3:
|
||
print(" ⚠️ 没有图像可绘制")
|
||
# 在画布中心显示提示
|
||
canvas.create_text(
|
||
canvas_width // 2,
|
||
canvas_height // 2,
|
||
text="等待画面...\n\n如果长时间无画面，请检查：\n1. 采集卡是否正常工作\n2. 配置是否正确",
|
||
fill='yellow',
|
||
font=('Arial', 14),
|
||
justify=tk.CENTER
|
||
)
|
||
|
||
# 再绘制所有文本（上层）
|
||
for x, y, text, color in texts_to_draw:
|
||
try:
|
||
if 0 <= x <= canvas_width and 0 <= y <= canvas_height:
|
||
if color == 'white':
|
||
canvas.create_text(x, y, text=text, fill=color, font=('Arial', 10, 'bold'))
|
||
else:
|
||
canvas.create_text(x, y, text=text, fill=color, font=('Arial', 10))
|
||
except Exception as e:
|
||
print(f"绘制文本错误: {e}")
|
||
|
||
# 强制更新画布显示
|
||
canvas.update_idletasks()
|
||
|
||
# 绘制分割线，区分不同的采集卡窗口
|
||
try:
|
||
# 绘制垂直分割线（列之间的分割线）
|
||
for col in range(1, columns):
|
||
x = col * cell_width
|
||
canvas.create_line(
|
||
x, 0,
|
||
x, canvas_height,
|
||
fill='white',
|
||
width=2,
|
||
dash=(5, 5) # 虚线效果，让分割线更明显
|
||
)
|
||
|
||
# 绘制水平分割线（行之间的分割线）
|
||
for row in range(1, rows):
|
||
y = row * cell_height
|
||
canvas.create_line(
|
||
0, y,
|
||
canvas_width, y,
|
||
fill='white',
|
||
width=2,
|
||
dash=(5, 5) # 虚线效果
|
||
)
|
||
except Exception as e:
|
||
print(f"绘制分割线错误: {e}")
|
||
|
||
except Exception as e:
|
||
print(f"更新帧错误: {e}")
|
||
import traceback
|
||
traceback.print_exc()
|
||
# 约30fps
|
||
root.after(33, update_frames_once)
|
||
|
||
def on_canvas_click(event):
|
||
"""点击画布事件"""
|
||
window_width = root.winfo_width()
|
||
window_height = root.winfo_height()
|
||
cell_width = window_width // columns
|
||
cell_height = window_height // rows
|
||
|
||
col = int(event.x // cell_width)
|
||
row = int(event.y // cell_height)
|
||
index = row * columns + col
|
||
|
||
# 找到对应的配置
|
||
if index < len(self.caps):
|
||
idx = list(self.caps.keys())[index]
|
||
self.show_large_window(idx)
|
||
|
||
canvas.bind('<Button-1>', on_canvas_click)
|
||
|
||
# 等待窗口完全初始化后再开始更新
|
||
def start_updates():
|
||
"""延迟启动更新，确保窗口已完全显示"""
|
||
# 强制更新窗口尺寸
|
||
root.update_idletasks()
|
||
root.update()
|
||
# 等待窗口完全绘制
|
||
import time
|
||
time.sleep(0.2) # 给窗口更多时间初始化
|
||
root.update_idletasks()
|
||
root.update()
|
||
update_frames_once()
|
||
|
||
# 使用after在主线程中循环刷新（延迟启动，给足够时间让窗口初始化）
|
||
root.after(200, start_updates)
|
||
|
||
def on_closing():
|
||
"""关闭窗口"""
|
||
self.running = False
|
||
for data in self.caps.values():
|
||
data['cap'].release()
|
||
root.destroy()
|
||
|
||
root.protocol("WM_DELETE_WINDOW", on_closing)
|
||
root.mainloop()
|
||
|
||
def show_large_window(self, idx):
|
||
"""显示大窗口"""
|
||
if self.large_window is not None and self.large_window.winfo_exists():
|
||
self.large_window.destroy()
|
||
|
||
self.large_window = tk.Toplevel()
|
||
self.large_window.title(f"放大视图 - {self.caps[idx]['name']}")
|
||
self.large_window.geometry("1280x720")
|
||
|
||
canvas = Canvas(self.large_window, bg='black')
|
||
canvas.pack(fill=tk.BOTH, expand=True)
|
||
|
||
photo_obj = {}
|
||
|
||
def update_large_once():
|
||
if not self.running or not self.large_window.winfo_exists():
|
||
return
|
||
try:
|
||
# 获取窗口大小
|
||
window_width = self.large_window.winfo_width() if self.large_window.winfo_width() > 1 else 1280
|
||
window_height = self.large_window.winfo_height() if self.large_window.winfo_height() > 1 else 720
|
||
|
||
if idx in self.frames and self.frames[idx] is not None:
|
||
# 先处理图像，再清空画布
|
||
frame = self.frames[idx]
|
||
h, w = frame.shape[:2]
|
||
|
||
# 调整到窗口大小
|
||
scale = min(window_width / w, window_height / h)
|
||
new_w = int(w * scale)
|
||
new_h = int(h * scale)
|
||
|
||
resized_frame = cv2.resize(frame, (new_w, new_h))
|
||
# 确保颜色通道正确（BGR -> RGB）
|
||
if len(resized_frame.shape) == 3 and resized_frame.shape[2] == 3:
|
||
resized_frame = cv2.cvtColor(resized_frame, cv2.COLOR_BGR2RGB)
|
||
pil_image = Image.fromarray(resized_frame)
|
||
photo = ImageTk.PhotoImage(image=pil_image)
|
||
# 保存引用到字典，确保不被GC
|
||
photo_obj['img'] = photo
|
||
|
||
# 清空并绘制新图像
|
||
canvas.delete("all")
|
||
canvas.create_image(window_width // 2, window_height // 2, image=photo, anchor='center')
|
||
else:
|
||
# 显示等待提示
|
||
canvas.delete("all")
|
||
canvas.create_text(
|
||
window_width // 2,
|
||
window_height // 2,
|
||
text="等待画面...",
|
||
fill='gray',
|
||
font=('Arial', 16)
|
||
)
|
||
except Exception as e:
|
||
if "pyimage" not in str(e).lower(): # 忽略pyimage错误，避免刷屏
|
||
print(f"更新大窗口错误: {e}")
|
||
self.large_window.after(33, update_large_once)
|
||
|
||
self.large_window.after(33, update_large_once)
|
||
|
||
def run(self):
|
||
"""运行预览"""
|
||
self.init_cameras()
|
||
|
||
if not self.caps:
|
||
# 如果没有加载任何采集卡，仍然显示窗口并显示错误信息
|
||
print("⚠️ 没有可用的采集卡，将显示错误提示窗口")
|
||
|
||
# 启动捕获线程
|
||
if self.caps:
|
||
capture_thread = threading.Thread(target=self.capture_frames, daemon=True)
|
||
capture_thread.start()
|
||
|
||
# 创建并显示网格窗口
|
||
import time
|
||
time.sleep(0.5) # 等待几帧
|
||
self.create_grid_window()
|
||
|
||
if __name__ == "__main__":
|
||
preview = PreviewWindow()
|
||
preview.run()
|
||
|