586 lines
18 KiB
Python
586 lines
18 KiB
Python
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"""
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Local Dimming 测试模块
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功能：
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- 生成不同百分比的白色窗口图片
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- 通过 UCD 发送图片到显示器
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- 自动采集 CA410 亮度数据
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- 记录并导出测试结果
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"""
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import os
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import sys
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import time
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import atexit
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import shutil
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import numpy as np
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from PIL import Image, ImageDraw
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import UniTAP
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class LocalDimmingController:
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"""Local Dimming 控制器 - 用于发送不同百分比窗口 Pattern"""
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def __init__(self, ucd_controller):
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"""
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初始化 Local Dimming 控制器
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Args:
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ucd_controller: UCD323 控制器实例
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"""
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self.ucd = ucd_controller
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# 兼容打包后的路径
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if getattr(sys, "frozen", False):
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base_dir = os.path.dirname(sys.executable)
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else:
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base_dir = os.getcwd()
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self.temp_dir = os.path.join(base_dir, "temp_local_dimming")
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# 创建临时目录
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if not os.path.exists(self.temp_dir):
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os.makedirs(self.temp_dir)
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print(f"[LD] 创建临时目录: {self.temp_dir}")
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self.cached_images = {} # 缓存已生成的图片 {(分辨率, 百分比): 文件路径}
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# 注册退出时自动清理
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atexit.register(self.cleanup)
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print("[LD] Local Dimming 控制器已初始化")
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def send_window_pattern_with_resolution(self, percentage, width, height):
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"""
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发送指定百分比和分辨率的白色窗口 Pattern
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Args:
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percentage: 窗口面积百分比 (1-100)
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width: 图像宽度
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height: 图像高度
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Returns:
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bool: 是否成功
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"""
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try:
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# 检查设备连接状态
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if not self.ucd.status:
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print("[LD 错误] 设备未连接")
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return False
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print(f"\n[LD] 开始发送 {percentage}% 窗口 Pattern")
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print(f"[LD] 使用分辨率: {width}x{height}")
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# 获取 Pattern Generator 和 Audio Generator
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# 兼容 UCDController（仅 HDMI）和 UCD323Controller（多接口）
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if hasattr(self.ucd, 'current_interface'):
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# UCD323Controller（多接口支持）
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interface = self.ucd.current_interface
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if interface == "HDMI":
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pg = self.ucd.role.hdtx.pg
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ag = self.ucd.role.hdtx.ag
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elif interface == "Type-C" or interface == "DP":
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pg = self.ucd.role.dptx.pg
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ag = self.ucd.role.dptx.ag
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else:
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print(f"[LD 错误] 不支持的接口类型: {interface}")
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return False
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else:
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# UCDController（仅 HDMI）
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pg = self.ucd.role.hdtx.pg
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ag = self.ucd.role.hdtx.ag
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# 先停止音频，避免蜂鸣声
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try:
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ag.stop_generate()
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print("[LD] 已停止音频生成")
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except Exception as e:
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print(f"[LD 警告] 停止音频失败: {e}")
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# 检查缓存
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cache_key = (f"{width}x{height}", percentage)
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if cache_key in self.cached_images:
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image_path = self.cached_images[cache_key]
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if os.path.exists(image_path):
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print(f"[LD] 使用缓存图片: {image_path}")
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else:
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print(f"[LD] 缓存图片不存在，重新生成...")
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image_path = self._generate_and_save_image(
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width, height, percentage, cache_key
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)
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else:
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print(f"[LD] 正在生成 {percentage}% 窗口图像...")
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image_path = self._generate_and_save_image(
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width, height, percentage, cache_key
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)
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# 发送图像到设备
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print(f"[LD] 正在发送图像到设备...")
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# 设置 ColorInfo
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color_mode = UniTAP.ColorInfo()
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color_mode.color_format = UniTAP.ColorInfo.ColorFormat.CF_RGB
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color_mode.bpc = 8
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color_mode.colorimetry = UniTAP.ColorInfo.Colorimetry.CM_sRGB
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# 获取当前 timing
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try:
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current_vm = pg.get_vm()
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timing = (
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current_vm.timing
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if current_vm and hasattr(current_vm, "timing")
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else None
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)
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except:
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timing = None
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# 如果有 timing，设置 VideoMode
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if timing:
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video_mode = UniTAP.VideoMode(timing=timing, color_info=color_mode)
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pg.set_vm(vm=video_mode)
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# 设置图片 Pattern
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pg.set_pattern(pattern=image_path)
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# 应用
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pg.apply()
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print(f"[LD] {percentage}% 窗口 Pattern 已发送到设备")
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return True
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except Exception as e:
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print(f"[LD 异常] 发送 {percentage}% 窗口失败: {e}")
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import traceback
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traceback.print_exc()
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return False
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def send_window_pattern(self, percentage):
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"""
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发送指定百分比的白色窗口 Pattern（从 GUI 获取分辨率）
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Args:
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percentage: 窗口面积百分比 (1-100)
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Returns:
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bool: 是否成功
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"""
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# 从设备当前 timing 获取分辨率
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width, height = self.get_current_resolution()
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return self.send_window_pattern_with_resolution(percentage, width, height)
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def get_current_resolution(self):
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"""
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从设备当前 timing 获取显示器分辨率
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Returns:
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tuple: (width, height)
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"""
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try:
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# 方式1：从 Pattern Generator 的当前 VideoMode 获取
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if hasattr(self.ucd, 'current_interface'):
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interface = self.ucd.current_interface
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if interface == "HDMI":
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pg = self.ucd.role.hdtx.pg
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elif interface == "Type-C" or interface == "DP":
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pg = self.ucd.role.dptx.pg
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else:
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pg = None
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else:
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pg = self.ucd.role.hdtx.pg
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if pg:
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current_vm = pg.get_vm()
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if current_vm and hasattr(current_vm, "timing") and current_vm.timing:
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timing = current_vm.timing
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if hasattr(timing, "h_active") and hasattr(timing, "v_active"):
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width = timing.h_active
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height = timing.v_active
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print(f"[LD] 从当前 timing 获取分辨率: {width}x{height}")
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return width, height
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# 方式2：从 current_timing 属性获取
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if hasattr(self.ucd, "current_timing") and self.ucd.current_timing:
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timing = self.ucd.current_timing
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if hasattr(timing, "h_active") and hasattr(timing, "v_active"):
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width = timing.h_active
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height = timing.v_active
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print(f"[LD] 从 current_timing 获取分辨率: {width}x{height}")
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return width, height
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except Exception as e:
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print(f"[LD 警告] 获取分辨率失败: {e}")
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print("[LD 警告] 使用默认分辨率 3840x2160")
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return 3840, 2160
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def _generate_and_save_image(self, width, height, percentage, cache_key):
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"""
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生成并保存窗口图像
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Args:
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width: 图像宽度
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height: 图像高度
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percentage: 窗口面积百分比
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cache_key: 缓存键
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Returns:
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str: 图像文件路径
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"""
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# 生成图像
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image_array = self._create_window_image(width, height, percentage)
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# 保存到项目目录
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filename = f"window_{width}x{height}_{percentage:03d}percent.png"
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image_path = os.path.join(self.temp_dir, filename)
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image = Image.fromarray(image_array, mode="RGB")
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image.save(image_path, format="PNG")
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# 缓存
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self.cached_images[cache_key] = image_path
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print(f"[LD] 图像已保存: {image_path}")
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return image_path
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def _create_window_image(self, width, height, percentage):
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"""
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创建窗口图像
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黑色背景 + 居中白色矩形窗口（保持屏幕比例）
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Args:
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width: 图像宽度
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height: 图像高度
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percentage: 窗口面积百分比 (1-100)
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Returns:
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numpy.ndarray: RGB 图像数组 (height, width, 3)
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"""
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# 创建黑色背景
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image = np.zeros((height, width, 3), dtype=np.uint8)
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# 计算窗口尺寸（保持屏幕比例）
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scale_factor = (percentage / 100.0) ** 0.5
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window_width = int(width * scale_factor)
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window_height = int(height * scale_factor)
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# 100% 时强制全屏
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if percentage == 100:
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window_width = width
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window_height = height
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# 计算居中位置
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x1 = (width - window_width) // 2
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y1 = (height - window_height) // 2
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x2 = x1 + window_width
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y2 = y1 + window_height
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# 绘制白色窗口
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image[y1:y2, x1:x2] = [255, 255, 255]
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print(
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f"[LD] 图像生成完成: {width}x{height}, 窗口 {window_width}x{window_height}"
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)
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return image
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def cleanup(self):
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"""清理临时文件夹"""
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if os.path.exists(self.temp_dir):
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try:
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shutil.rmtree(self.temp_dir)
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print(f"[LD] 临时文件夹已删除: {self.temp_dir}")
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except Exception as e:
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print(f"[LD 警告] 删除临时文件夹失败: {e}")
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def __del__(self):
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"""析构函数：清理临时文件（备用机制）"""
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try:
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self.cleanup()
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except:
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pass
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class LocalDimmingTest:
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def __init__(self, ucd_controller, ca_serial, log_callback=None):
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"""
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初始化 Local Dimming 测试
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|||
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Args:
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ucd_controller: UCD323 控制器实例
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ca_serial: CA410 串口实例
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log_callback: 日志回调函数
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"""
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self.ucd = ucd_controller
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self.ca = ca_serial
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self.log = log_callback if log_callback else print
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# 临时图片目录
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self.temp_dir = self._init_temp_dir()
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# 测试结果
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self.test_results = []
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# 测试配置
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self.window_percentages = [1, 2, 5, 10, 18, 25, 50, 75, 100]
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self.wait_time = 2.0 # 每次切换后等待时间（秒）
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# 停止标志
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self.stop_flag = False
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self.log("✓ Local Dimming 测试模块已初始化")
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def _init_temp_dir(self):
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"""初始化临时目录"""
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|||
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if getattr(sys, "frozen", False):
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|||
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base_dir = os.path.dirname(sys.executable)
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|||
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else:
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|||
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base_dir = os.getcwd()
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|||
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temp_dir = os.path.join(base_dir, "temp_local_dimming")
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os.makedirs(temp_dir, exist_ok=True)
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return temp_dir
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def generate_window_image(self, width, height, percentage):
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"""
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|||
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生成窗口图片（黑色背景 + 居中白色矩形窗口）
|
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Args:
|
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width: 图像宽度
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height: 图像高度
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percentage: 窗口面积百分比 (1-100)
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Returns:
|
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str: 图片文件路径
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|
"""
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# 计算窗口尺寸（保持屏幕比例）
|
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|
scale_factor = (percentage / 100.0) ** 0.5
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window_width = int(width * scale_factor)
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window_height = int(height * scale_factor)
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# 100% 时强制全屏
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if percentage == 100:
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window_width = width
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window_height = height
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# 创建黑色背景
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image = np.zeros((height, width, 3), dtype=np.uint8)
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# 计算居中位置
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x1 = (width - window_width) // 2
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y1 = (height - window_height) // 2
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x2 = x1 + window_width
|
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y2 = y1 + window_height
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|
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# 绘制白色窗口
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image[y1:y2, x1:x2] = [255, 255, 255]
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# 保存图片
|
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filename = f"window_{width}x{height}_{percentage:03d}percent.png"
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image_path = os.path.join(self.temp_dir, filename)
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|
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|
pil_image = Image.fromarray(image, mode="RGB")
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pil_image.save(image_path, format="PNG")
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|
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self.log(f" ✓ 图片已生成: {window_width}×{window_height} px")
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return image_path
|
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|
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def send_image_to_ucd(self, image_path):
|
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|
"""
|
|||
|
|
通过 UCD 发送图片到显示器
|
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|
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|
|
Args:
|
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|
|
image_path: 图片文件路径
|
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|
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Returns:
|
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|
|
bool: 是否成功
|
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|
|
"""
|
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|
try:
|
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|
# 获取 Pattern Generator 和 Audio Generator
|
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# 兼容 UCDController（仅 HDMI）和 UCD323Controller（多接口）
|
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if hasattr(self.ucd, 'current_interface'):
|
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interface = self.ucd.current_interface
|
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if interface == "HDMI":
|
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|
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pg = self.ucd.role.hdtx.pg
|
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ag = self.ucd.role.hdtx.ag
|
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elif interface == "Type-C" or interface == "DP":
|
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pg = self.ucd.role.dptx.pg
|
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ag = self.ucd.role.dptx.ag
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else:
|
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self.log(f" ❌ 不支持的接口类型: {interface}")
|
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|
return False
|
|||
|
|
else:
|
|||
|
|
# UCDController（仅 HDMI）
|
|||
|
|
pg = self.ucd.role.hdtx.pg
|
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|
|
ag = self.ucd.role.hdtx.ag
|
|||
|
|
|
|||
|
|
# 停止音频
|
|||
|
|
try:
|
|||
|
|
ag.stop_generate()
|
|||
|
|
except:
|
|||
|
|
pass
|
|||
|
|
|
|||
|
|
# 设置 ColorInfo
|
|||
|
|
color_mode = UniTAP.ColorInfo()
|
|||
|
|
color_mode.color_format = UniTAP.ColorInfo.ColorFormat.CF_RGB
|
|||
|
|
color_mode.bpc = 8
|
|||
|
|
color_mode.colorimetry = UniTAP.ColorInfo.Colorimetry.CM_sRGB
|
|||
|
|
|
|||
|
|
# 获取当前 timing
|
|||
|
|
try:
|
|||
|
|
current_vm = pg.get_vm()
|
|||
|
|
timing = (
|
|||
|
|
current_vm.timing
|
|||
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|
if current_vm and hasattr(current_vm, "timing")
|
|||
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|
else None
|
|||
|
|
)
|
|||
|
|
except:
|
|||
|
|
timing = None
|
|||
|
|
|
|||
|
|
# 设置 VideoMode
|
|||
|
|
if timing:
|
|||
|
|
video_mode = UniTAP.VideoMode(timing=timing, color_info=color_mode)
|
|||
|
|
pg.set_vm(vm=video_mode)
|
|||
|
|
|
|||
|
|
# 设置图片 Pattern
|
|||
|
|
pg.set_pattern(pattern=image_path)
|
|||
|
|
|
|||
|
|
# 应用
|
|||
|
|
pg.apply()
|
|||
|
|
|
|||
|
|
return True
|
|||
|
|
|
|||
|
|
except Exception as e:
|
|||
|
|
self.log(f" ❌ 发送图片失败: {str(e)}")
|
|||
|
|
import traceback
|
|||
|
|
|
|||
|
|
traceback.print_exc()
|
|||
|
|
return False
|
|||
|
|
|
|||
|
|
def measure_luminance(self):
|
|||
|
|
"""
|
|||
|
|
使用 CA410 采集亮度
|
|||
|
|
|
|||
|
|
Returns:
|
|||
|
|
tuple: (x, y, lv, X, Y, Z) 或 None
|
|||
|
|
"""
|
|||
|
|
try:
|
|||
|
|
if not self.ca:
|
|||
|
|
self.log(" ❌ CA410 未连接")
|
|||
|
|
return None
|
|||
|
|
|
|||
|
|
# 采集数据
|
|||
|
|
x, y, lv, X, Y, Z = self.ca.readAllDisplay()
|
|||
|
|
|
|||
|
|
if x is not None and y is not None and lv is not None:
|
|||
|
|
self.log(f" ✓ 采集亮度: {lv:.2f} cd/m²")
|
|||
|
|
return (x, y, lv, X, Y, Z)
|
|||
|
|
else:
|
|||
|
|
self.log(" ❌ 采集数据失败")
|
|||
|
|
return None
|
|||
|
|
|
|||
|
|
except Exception as e:
|
|||
|
|
self.log(f" ❌ 采集亮度异常: {str(e)}")
|
|||
|
|
return None
|
|||
|
|
|
|||
|
|
def run_test(self, resolution="3840x2160"):
|
|||
|
|
"""
|
|||
|
|
执行完整的 Local Dimming 测试
|
|||
|
|
|
|||
|
|
Args:
|
|||
|
|
resolution: 分辨率字符串，如 "3840x2160"
|
|||
|
|
|
|||
|
|
Returns:
|
|||
|
|
list: 测试结果 [(百分比, x, y, lv, X, Y, Z), ...]
|
|||
|
|
"""
|
|||
|
|
self.log("=" * 60)
|
|||
|
|
self.log("开始 Local Dimming 测试")
|
|||
|
|
self.log("=" * 60)
|
|||
|
|
|
|||
|
|
# 重置停止标志
|
|||
|
|
self.stop_flag = False
|
|||
|
|
|
|||
|
|
# 解析分辨率
|
|||
|
|
try:
|
|||
|
|
width, height = map(int, resolution.split("x"))
|
|||
|
|
except:
|
|||
|
|
width, height = 3840, 2160
|
|||
|
|
self.log(f" ⚠️ 分辨率解析失败，使用默认值: {width}x{height}")
|
|||
|
|
|
|||
|
|
self.log(f" 分辨率: {width}x{height}")
|
|||
|
|
self.log(f" 测试窗口: {self.window_percentages}")
|
|||
|
|
self.log(f" 等待时间: {self.wait_time} 秒")
|
|||
|
|
self.log("")
|
|||
|
|
|
|||
|
|
self.test_results = []
|
|||
|
|
|
|||
|
|
for i, percentage in enumerate(self.window_percentages, start=1):
|
|||
|
|
# 检查停止标志
|
|||
|
|
if self.stop_flag:
|
|||
|
|
self.log("⚠️ 测试已停止")
|
|||
|
|
break
|
|||
|
|
|
|||
|
|
self.log(f"[{i}/{len(self.window_percentages)}] 测试 {percentage}% 窗口...")
|
|||
|
|
|
|||
|
|
# 1. 生成图片
|
|||
|
|
image_path = self.generate_window_image(width, height, percentage)
|
|||
|
|
|
|||
|
|
# 2. 发送到 UCD
|
|||
|
|
if not self.send_image_to_ucd(image_path):
|
|||
|
|
self.log(f" ❌ {percentage}% 窗口发送失败，跳过")
|
|||
|
|
continue
|
|||
|
|
|
|||
|
|
# 3. 等待稳定
|
|||
|
|
self.log(f" ⏳ 等待 {self.wait_time} 秒...")
|
|||
|
|
time.sleep(self.wait_time)
|
|||
|
|
|
|||
|
|
# 4. 采集亮度
|
|||
|
|
result = self.measure_luminance()
|
|||
|
|
|
|||
|
|
if result:
|
|||
|
|
x, y, lv, X, Y, Z = result
|
|||
|
|
self.test_results.append((percentage, x, y, lv, X, Y, Z))
|
|||
|
|
self.log(f" ✅ {percentage}% 窗口测试完成")
|
|||
|
|
else:
|
|||
|
|
self.log(f" ❌ {percentage}% 窗口采集失败")
|
|||
|
|
|
|||
|
|
self.log("")
|
|||
|
|
|
|||
|
|
self.log("=" * 60)
|
|||
|
|
self.log("✅ Local Dimming 测试完成")
|
|||
|
|
self.log(
|
|||
|
|
f" 成功测试: {len(self.test_results)}/{len(self.window_percentages)} 个窗口"
|
|||
|
|
)
|
|||
|
|
self.log("=" * 60)
|
|||
|
|
|
|||
|
|
return self.test_results
|
|||
|
|
|
|||
|
|
def stop(self):
|
|||
|
|
"""停止测试"""
|
|||
|
|
self.stop_flag = True
|
|||
|
|
self.log("⚠️ 正在停止测试...")
|
|||
|
|
|
|||
|
|
def get_results_summary(self):
|
|||
|
|
"""获取测试结果摘要"""
|
|||
|
|
if not self.test_results:
|
|||
|
|
return None
|
|||
|
|
|
|||
|
|
luminances = [lv for _, _, _, lv, _, _, _ in self.test_results]
|
|||
|
|
|
|||
|
|
return {
|
|||
|
|
"data_points": self.test_results,
|
|||
|
|
"max_luminance": max(luminances),
|
|||
|
|
"min_luminance": min(luminances),
|
|||
|
|
"avg_luminance": sum(luminances) / len(luminances),
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
def cleanup(self):
|
|||
|
|
"""清理临时文件"""
|
|||
|
|
try:
|
|||
|
|
import shutil
|
|||
|
|
|
|||
|
|
if os.path.exists(self.temp_dir):
|
|||
|
|
shutil.rmtree(self.temp_dir)
|
|||
|
|
self.log(f"✓ 临时文件已清理: {self.temp_dir}")
|
|||
|
|
except Exception as e:
|
|||
|
|
self.log(f"⚠️ 清理临时文件失败: {e}")
|