958 lines
40 KiB
Python
958 lines
40 KiB
Python
import ctypes
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import os
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import shutil
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import random
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import sys
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import threading
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import time
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import cv2
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import numpy as np
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import pycuda.autoinit
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import pycuda.driver as cuda
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import tensorrt as trt
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import queue
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from minio import Minio
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import yaml
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import threading
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import subprocess
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import uuid
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import requests
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import json
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import datetime
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from PIL import Image
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CONF_THRESH = 0.6
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IOU_THRESHOLD = 0.6
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with open('config.yaml', 'r') as file:
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configData = yaml.safe_load(file)
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# 实例化
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client = Minio(
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endpoint=configData['minioConfig']['endpoint'],
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access_key=configData['minioConfig']['access_key'],
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secret_key=configData['minioConfig']['secret_key'],
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secure=configData['minioConfig']['secure']
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)
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# 保存token
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tokenResult = {}
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getTokenUrl = configData['dataConfig']['getTokenUrl']
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putMessageUrl = configData['dataConfig']['putMessageUrl']
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ip = configData['video_config']['v1_ip']
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vod_path = configData['video_config']['v1_path']
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vod_channelNo = configData['video_config']['v1_channelNo']
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time_interval = configData['dataConfig']['timeInterval']
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command_mid = [
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'ffmpeg',
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'-i', '-', # 从标准输入读取视频帧
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'-c:v', 'libx264', # 使用 H.264 编码
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'-b:v', '500k', # 设置视频比特率
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'-preset', 'superfast', # 编码速度
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'-tune', 'zerolatency', # 低延迟
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'-crf', '23', # 使用 CRF 模式来控制视频质量
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'-s', '1280x720', # 设置分辨率
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'-an', # 禁用音频
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# '-f', 'flv', # 输出格式
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# 'rtmp://127.0.0.1:1935/live/1' # 输出到 RTMP 服务器
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'-hls_time', '4',
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'-hls_list_size', '2',
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'-hls_flags', 'delete_segments',
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'-f', 'hls',
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# 'level', 'error',
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'/home/admin-root/hls_data/mid/' + ip + '/index.m3u8'
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]
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pipeline_mid = subprocess.Popen(command_mid, shell=False, stdin=subprocess.PIPE)
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frames = [None] * 6
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rtsp_frame_buffer = queue.Queue(maxsize=300)
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# 获取token和对应时间 存入字典
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def get_token(tokenResult):
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if 'token' in tokenResult and 'current_time' in tokenResult:
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token_time = datetime.datetime.strptime(tokenResult['current_time'],
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"%Y-%m-%d %H:%M:%S")
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current_time = datetime.datetime.now()
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time_diff = current_time - token_time
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if time_diff.total_seconds() > 20 * 60:
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# 过期重新请求 token
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# print("token 已过期")
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response = requests.post(getTokenUrl)
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if response.status_code == 200:
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data = json.loads(response.text)
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if 'retCode' in data and data['retCode'] == '200':
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token = data['responseBody']['token']
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current_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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tokenResult['token'] = token
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tokenResult['current_time'] = current_time
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else:
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tokenResult['error'] = data['errorDesc']
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else:
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tokenResult['error'] = response.status_code
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token = tokenResult['token']
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return token
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def send_post_request(url, token, msg, picUrl, videoUrl):
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payload = {
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"tenantCode": "220",
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"channelNo": vod_channelNo,
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"alarmContent": msg,
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"alarmTime": datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
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"picInfo": [
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{"url": picUrl}
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],
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"videoInfo": [
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{"url": videoUrl}
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]
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}
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headers = {
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'X-Access-Token': token,
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'Content-Type': 'application/json'
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}
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response = requests.post(url, headers=headers, data=json.dumps(payload))
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print(response)
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def clear_folder(ip):
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folder_path1 = f'/home/admin-root/hls_data/mid/{ip}'
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# 判断文件夹是否存在
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if not os.path.exists(folder_path1):
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print(f"文件夹 {folder_path1} 不存在！")
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return
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# 判断文件夹是否为空
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if not os.listdir(folder_path1):
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print(f"文件夹 {folder_path1} 为空，无需清空！")
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else:
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# 清空文件夹1
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for filename in os.listdir(folder_path1):
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file_path = os.path.join(folder_path1, filename)
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if os.path.isfile(file_path):
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os.remove(file_path)
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elif os.path.isdir(file_path):
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shutil.rmtree(file_path)
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print(f"已清空文件夹 {folder_path1} 的内容！")
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def restart_program():
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"""重新启动当前程序"""
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python = sys.executable # 获取当前 Python 解释器的路径
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# print("Restarting program...")
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time.sleep(1) # 可选延迟，确保用户看到提示
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os.execl(python, python, *sys.argv) # 使用相同的参数重新启动当前脚本
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def verify_bbox_class(classid_list, save_flag):
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if "face" in classid_list:
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save_flag.append("face")
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return True
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if "shoe" in classid_list:
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save_flag.append("shoe")
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return True
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if "phone" in classid_list:
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save_flag.append("phone")
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return True
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return False
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# after_time 距离 before_time 是否在 time_num秒 之内，若在 返回true 不在返回false
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def verify_timenum(before_time, after_time, time_num):
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time_difference = after_time - before_time
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if time_difference < time_num:
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return True
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else:
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return False
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# 该方法用于判断两个帧是否相同
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def compare_frames(frame1, frame2, threshold):
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difference = cv2.absdiff(frame1, frame2)
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diff_gray = cv2.cvtColor(difference, cv2.COLOR_BGR2GRAY)
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_, thresholded_diff = cv2.threshold(diff_gray, threshold, 350, cv2.THRESH_BINARY)
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return np.sum(thresholded_diff) == 0
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def skin_color_ratio(image):
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# 将图像从BGR颜色空间转换为HSV颜色空间
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# 定义肤色的HSV范围（在此示例中使用了一组简单的范围）
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hsv_image = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)
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lower_skin = np.array([0, 20, 70], dtype=np.uint8)
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upper_skin = np.array([20, 255, 255], dtype=np.uint8)
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# 创建遮罩，将肤色区域设置为白色，其他区域设置为黑色
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skin_mask = cv2.inRange(hsv_image, lower_skin, upper_skin)
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# 计算肤色区域的像素数
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skin_pixels = np.count_nonzero(skin_mask)
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# 计算图像中人体肤色的占比
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total_pixels = image.shape[0] * image.shape[1]
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skin_ratio = skin_pixels / total_pixels
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return skin_ratio
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def white_color_ratio(image):
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# 将图像从BGR颜色空间转换为HSV颜色空间
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hsv_image = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)
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# 定义白色的HSV范围（在此示例中使用了一组简单的范围）
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lower_white = np.array([0, 0, 221], dtype=np.uint8)
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upper_white = np.array([180, 30, 255], dtype=np.uint8)
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# 创建遮罩，将白色和白灰色区域设置为白色，其他区域设置为黑色
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white_mask = cv2.inRange(hsv_image, lower_white, upper_white)
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# 计算白色和白灰色区域的像素数
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white_pixels = np.count_nonzero(white_mask)
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# 计算图像中白色和白灰色的占比
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total_pixels = image.shape[0] * image.shape[1]
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white_ratio = white_pixels / total_pixels
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return white_ratio
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def shoe_color_ratio(image):
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# 将图像从BGR颜色空间转换为HSV颜色空间
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hsv_image = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)
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# 定义黑色的HSV范围（在此示例中使用了一组简单的范围）
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lower_black = np.array([0, 0, 0], dtype=np.uint8)
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upper_black = np.array([180, 255, 80], dtype=np.uint8)
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# 创建遮罩，将黑色区域设置为白色，其他区域设置为黑色
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black_mask = cv2.inRange(hsv_image, lower_black, upper_black)
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# 计算黑色区域的像素数
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black_pixels = np.count_nonzero(black_mask)
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# 计算图像中黑色的占比
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total_pixels = image.shape[0] * image.shape[1]
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black_ratio = black_pixels / total_pixels
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return black_ratio
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def get_img_path_batches(batch_size, img_dir):
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ret = []
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batch = []
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for root, dirs, files in os.walk(img_dir):
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for name in files:
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if len(batch) == batch_size:
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ret.append(batch)
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batch = []
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batch.append(os.path.join(root, name))
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if len(batch) > 0:
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ret.append(batch)
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return ret
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# 画框 返回True 为需要报警的选项，返回Flase，为不需要报警的
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def plot_one_box(x, img, color=[0, 255, 0], label=None, line_thickness=None):
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tl = (
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line_thickness or round(0.002 * (img.shape[0] + img.shape[1]) / 2) + 1
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) # line/font thickness
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# tl = 1
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c1, c2 = (int(x[0]), int(x[1])), (int(x[2]), int(x[3]))
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if label == 'face':
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region_of_interest = img[c1[1]:c2[1], c1[0]:c2[0]]
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face_source = skin_color_ratio(region_of_interest)
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# white_sorce = white_color_ratio(region_of_interest)
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# print("判断存在脸，且肤色为" + str(face_source))
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# 肤色面积必须大于整体框的百分之70 框的宽度大于10
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if face_source > 0.8:
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# 画框
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color = [0, 0, 255]
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cv2.rectangle(img, c1, c2, color, thickness=1, lineType=cv2.LINE_AA)
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# tf = max(tl - 1, 1)
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# t_size = cv2.getTextSize('warning', 0, fontScale=tl / 4, thickness=tf)[0]
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# c2 = c1[0] + t_size[0], c1[1] - t_size[1] - 11
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# cv2.rectangle(img, c1, c2, color, -1, cv2.LINE_AA)
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print("face")
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# cv2.putText(
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# img,
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# 'warning',
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# (c1[0], c1[1] - 10),
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# 0,
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# tl / 4,
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# [225, 255, 255],
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# thickness=tf,
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# lineType=cv2.LINE_AA,
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# )
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return 'face'
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if label == 'shoe':
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print("识别到鞋")
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region_of_interest = img[c1[1]:c2[1], c1[0]:c2[0]]
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source = shoe_color_ratio(region_of_interest)
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# white_sorce = white_color_ratio(region_of_interest)
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print(f'黑色={source}')
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# # 鞋子黑色面积必须大于整体框的百分之50 并且框的宽度小于40，高度小于30
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# color = [0, 0, 255]
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# cv2.rectangle(img, c1, c2, color, thickness=1, lineType=cv2.LINE_AA)
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# return 'shoe'
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if source < 0.3:
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# 画框
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color = [0, 0, 255]
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cv2.rectangle(img, c1, c2, color, thickness=1, lineType=cv2.LINE_AA)
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# tf = max(tl - 1, 1)
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# t_size = cv2.getTextSize('warning', 0, fontScale=tl / 4, thickness=tf)[0]
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# c2 = c1[0] + t_size[0], c1[1] - t_size[1] - 11
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# cv2.rectangle(img, c1, c2, color, -1, cv2.LINE_AA)
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# cv2.putText(
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# img,
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# 'warning',
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# (c1[0], c1[1] - 10),
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# 0,
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# tl / 4,
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# [225, 255, 255],
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# thickness=tf,
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# lineType=cv2.LINE_AA,
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# )
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return 'shoe'
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if label == 'phone':
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print("识别到手机")
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# 画框
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color = [0, 0, 255]
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cv2.rectangle(img, c1, c2, color, thickness=1, lineType=cv2.LINE_AA)
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# tf = max(tl - 1, 1)
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# t_size = cv2.getTextSize('warning', 0, fontScale=tl / 4, thickness=tf)[0]
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# c2 = c1[0] + t_size[0], c1[1] - t_size[1] - 11
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# cv2.rectangle(img, c1, c2, color, -1, cv2.LINE_AA)
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# cv2.putText(
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# img,
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# 'warning',
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# (c1[0], c1[1] - 10),
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# 0,
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# tl / 4,
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# [225, 255, 255],
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# thickness=tf,
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# lineType=cv2.LINE_AA,
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# )
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return 'phone'
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if label == 'e-bike':
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print("识别到电动车")
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# 画框
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color = [0, 0, 255]
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cv2.rectangle(img, c1, c2, color, thickness=1, lineType=cv2.LINE_AA)
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return 'e-bike';
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return ''
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def check_save_flag(save_flag):
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# 定义需要检查的类别
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categories = ["face", "shoe", "phone", "e-bike"]
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# 找出在save_flag中的类别
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matched_categories = [category for category in categories if category in save_flag]
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# 用'-'连接匹配的类别并返回
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return "-".join(matched_categories)
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# ip ,缓存buffer,脸或者鞋的标志列表,上传类型
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class SaveAndUploadMP4Thread(threading.Thread):
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def __init__(self, ip, frame_buffer, save_flag, save_frame_type_min, token=None):
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threading.Thread.__init__(self)
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self.ip = ip
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self.frame_buffer = frame_buffer
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self.save_flag = save_flag
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self.save_frame_type_min = save_frame_type_min
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self.temp_file_path = None
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self.temp_file_size = None
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self.minio_client = client
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self.token = token
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def run(self):
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# putMsg = ''
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# if "face" in self.save_flag:
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# putMsg += "face"
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# elif "shoe" in self.save_flag:
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# putMsg += "shoe"
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putMsg = check_save_flag(self.save_flag)
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uuid_str = str(uuid.uuid4())[:6] # 生成UUID的前6位
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# current_time = datetime.datetime.now().strftime("%Y-%m-%d %H-%M-%S") # 当前日期，格式为YYYYMMDD
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frames = []
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while not self.frame_buffer.empty():
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frames.append(self.frame_buffer.get())
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# 短告警上传 保存图片
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if len(frames) > 0 and self.save_frame_type_min is True:
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print('短警告')
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first_frame = frames[0]
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img_file_path = f"/home/admin-root/220_project/tensorrtx-master/yolov8/mp4/{uuid_str}_{vod_channelNo}_{putMsg}.jpg"
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img_object_name = "{uuid_str}_{vod_channelNo}_{putMsg}.jpg"
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cv2.imwrite(img_file_path, first_frame)
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with open(img_file_path, 'rb') as file_data:
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file_data.seek(0, os.SEEK_END)
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file_size = file_data.tell()
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file_data.seek(0)
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self.minio_client.put_object(configData['minioConfig']['bucket_name'], img_object_name, file_data,
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file_size)
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upload_http_url_img = configData['minioConfig']['bucket_name'] + '/' + img_object_name
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os.remove(img_file_path)
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print('上传图片成功')
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send_post_request(putMessageUrl, self.token, putMsg, upload_http_url_img, '')
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print("执行发送短警告完毕,警告信息：" + putMsg)
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# 长警告
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if len(frames) > 0 and self.save_frame_type_min is False:
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print('长警告')
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# 保存图片
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img_file_path = f"/home/admin-root/220_project/tensorrtx-master/yolov8/mp4/{uuid_str}_{vod_channelNo}_{putMsg}.jpg"
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img_object_name = f"{uuid_str}_{vod_channelNo}_{putMsg}.jpg"
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first_frame = frames[0]
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cv2.imwrite(img_file_path, first_frame)
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with open(img_file_path, 'rb') as file_data:
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file_data.seek(0, os.SEEK_END)
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file_size = file_data.tell()
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file_data.seek(0)
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self.minio_client.put_object(configData['minioConfig']['bucket_name'], img_object_name, file_data,
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file_size)
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upload_http_url_img = configData['minioConfig']['bucket_name'] + '/' + img_object_name
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os.remove(img_file_path)
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print('上传图片成功')
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send_post_request(putMessageUrl, self.token, putMsg, upload_http_url_img, '')
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print("执行发送短警告完毕,警告信息：" + putMsg)
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# 长告警上传 保存图片,MP4文件
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self.temp_file_path = os.path.abspath(mp4_file_path)
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self.temp_file_size = os.path.getsize(mp4_file_path)
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mp4_file_path = f'/home/admin-root/220_project/tensorrtx-master/yolov8/mp4/{uuid_str}_{vod_channelNo}_{putMsg}.mp4'
|
||
mp4_object_name = f"{uuid_str}_{vod_channelNo}_{putMsg}.mp4"
|
||
|
||
height, width, _ = frames[0].shape
|
||
|
||
# 保存视频
|
||
out = cv2.VideoWriter(mp4_file_path, cv2.VideoWriter_fourcc(*'mp4v'), 25, (width, height))
|
||
for frame in frames:
|
||
out.write(frame)
|
||
out.release()
|
||
print('保存视频成功')
|
||
|
||
|
||
# with open(mp4_file_path, 'rb') as file_data:
|
||
|
||
|
||
with open(mp4_file_path, 'rb') as file_data:
|
||
|
||
# 上传到minio
|
||
self.minio_client.put_object(configData['minioConfig']['bucket_name'], mp4_object_name, file_data,
|
||
self.temp_file_size)
|
||
file_data.seek(0, os.SEEK_END)
|
||
file_size = file_data.tell()
|
||
file_data.seek(0)
|
||
self.minio_client.put_object(configData['minioConfig']['bucket_name'], img_object_name, file_data,
|
||
file_size)
|
||
print('上传图片视频成功')
|
||
|
||
upload_http_url_mp4 = configData['minioConfig']['bucket_name'] + '/' + mp4_object_name
|
||
upload_http_url_img = configData['minioConfig']['bucket_name'] + '/' + img_object_name
|
||
os.remove(mp4_file_path)
|
||
# os.remove(img_object_name)
|
||
print('mp4:', upload_http_url_mp4 + '\n', 'img:', upload_http_url_img)
|
||
# 发送
|
||
send_post_request(putMessageUrl, self.token, putMsg, upload_http_url_img, upload_http_url_mp4)
|
||
print("执行发送长警告完毕,警告信息：" + putMsg)
|
||
|
||
|
||
class FramePushThread(threading.Thread):
|
||
def __init__(self, frame_buffer, process_mid):
|
||
threading.Thread.__init__(self)
|
||
self.frame_buffer = frame_buffer
|
||
self.process_mid = process_mid
|
||
|
||
def run(self):
|
||
while True:
|
||
frame_data = self.frame_buffer.get()
|
||
self.process_mid.stdin.write(frame_data)
|
||
|
||
|
||
class YoLov8TRT(object):
|
||
|
||
def __init__(self, engine_file_path):
|
||
# Create a Context on this device,
|
||
self.ctx = cuda.Device(0).make_context()
|
||
stream = cuda.Stream()
|
||
TRT_LOGGER = trt.Logger(trt.Logger.INFO)
|
||
runtime = trt.Runtime(TRT_LOGGER)
|
||
|
||
# Deserialize the engine from file
|
||
with open(engine_file_path, "rb") as f:
|
||
engine = runtime.deserialize_cuda_engine(f.read())
|
||
context = engine.create_execution_context()
|
||
|
||
host_inputs = []
|
||
cuda_inputs = []
|
||
host_outputs = []
|
||
cuda_outputs = []
|
||
bindings = []
|
||
|
||
for binding in engine:
|
||
print('bingding:', binding, engine.get_binding_shape(binding))
|
||
size = trt.volume(engine.get_binding_shape(binding)) * engine.max_batch_size
|
||
dtype = trt.nptype(engine.get_binding_dtype(binding))
|
||
# Allocate host and device buffers
|
||
host_mem = cuda.pagelocked_empty(size, dtype)
|
||
cuda_mem = cuda.mem_alloc(host_mem.nbytes)
|
||
# Append the device buffer to device bindings.
|
||
bindings.append(int(cuda_mem))
|
||
# Append to the appropriate list.
|
||
if engine.binding_is_input(binding):
|
||
self.input_w = engine.get_binding_shape(binding)[-1]
|
||
self.input_h = engine.get_binding_shape(binding)[-2]
|
||
host_inputs.append(host_mem)
|
||
cuda_inputs.append(cuda_mem)
|
||
else:
|
||
host_outputs.append(host_mem)
|
||
cuda_outputs.append(cuda_mem)
|
||
|
||
# Store
|
||
self.stream = stream
|
||
self.context = context
|
||
self.engine = engine
|
||
self.host_inputs = host_inputs
|
||
self.cuda_inputs = cuda_inputs
|
||
self.host_outputs = host_outputs
|
||
self.cuda_outputs = cuda_outputs
|
||
self.bindings = bindings
|
||
self.batch_size = engine.max_batch_size
|
||
|
||
def infer(self, image_frame):
|
||
threading.Thread.__init__(self)
|
||
# Make self the active context, pushing it on top of the context stack.
|
||
self.ctx.push()
|
||
# Restore
|
||
stream = self.stream
|
||
context = self.context
|
||
engine = self.engine
|
||
host_inputs = self.host_inputs
|
||
cuda_inputs = self.cuda_inputs
|
||
host_outputs = self.host_outputs
|
||
cuda_outputs = self.cuda_outputs
|
||
bindings = self.bindings
|
||
# Do image preprocess
|
||
batch_image_raw = []
|
||
batch_origin_h = []
|
||
batch_origin_w = []
|
||
batch_input_image = np.empty(shape=[self.batch_size, 3, self.input_h, self.input_w])
|
||
# 方法遍历由 raw_image_generator 生成的图像，对每个图像执行预处理，并收集处理后的图像数据以及原始图像的尺寸。
|
||
# 预处理可能包括调整大小、标准化等步骤，为推理准备适当的输入格式。
|
||
# for i, image_raw in enumerate(image_frame):
|
||
input_image, image_raw, origin_h, origin_w = self.preprocess_image(image_frame)
|
||
batch_image_raw.append(image_frame)
|
||
batch_origin_h.append(origin_h)
|
||
batch_origin_w.append(origin_w)
|
||
np.copyto(batch_input_image[0], input_image)
|
||
batch_input_image = np.ascontiguousarray(batch_input_image)
|
||
|
||
# Copy input image to host buffer
|
||
np.copyto(host_inputs[0], batch_input_image.ravel())
|
||
# 记录推理开始时间
|
||
# start = time.time()
|
||
# 将输入数据传输到GPU
|
||
cuda.memcpy_htod_async(cuda_inputs[0], host_inputs[0], stream)
|
||
# 执行异步推理
|
||
context.execute_async(batch_size=self.batch_size, bindings=bindings, stream_handle=stream.handle)
|
||
# 将预测结果传回主机
|
||
cuda.memcpy_dtoh_async(host_outputs[0], cuda_outputs[0], stream)
|
||
# 同步CUDA流
|
||
stream.synchronize()
|
||
|
||
# 并移除上下文
|
||
self.ctx.pop()
|
||
output = host_outputs[0]
|
||
|
||
# 后处理和结果解析：
|
||
for i in range(self.batch_size):
|
||
# for循环中 调用self.post_process方法进行后处理，提取结果框、得分和类别ID。 此处不需要特别注意 了解获得返回结果即可
|
||
result_boxes, result_scores, result_classid = self.post_process(
|
||
output[i * 38001: (i + 1) * 38001], batch_origin_h[i], batch_origin_w[i]
|
||
)
|
||
result_list = []
|
||
for j in range(len(result_boxes)):
|
||
box = result_boxes[j]
|
||
# ！！！！！！！！！！！这个推理的地方 后续可判断一张图片中是否需要保存 若保存调用保存方法
|
||
# plot_one_box 方法在原始图像上绘制检测到的每个对象的边界框和标签
|
||
# print("类别",int(result_classid[j]))
|
||
if(int(result_classid[j]) < len(categories)): # 这里莫名会出现类别大于预定义类别长度的情况??
|
||
result = plot_one_box(
|
||
box,
|
||
batch_image_raw[i],
|
||
label="{}".format(categories[int(result_classid[j])])
|
||
# label="{}:{:.2f}".format(
|
||
# categories[int(result_classid[j])], result_scores[j]
|
||
# ),
|
||
|
||
)
|
||
# 将检测结果保存到minio中
|
||
result_list.append(result)
|
||
|
||
|
||
return batch_image_raw, result_list
|
||
|
||
def destroy(self):
|
||
# Remove any context from the top of the context stack, deactivating it.
|
||
self.ctx.pop()
|
||
|
||
def get_raw_image_zeros(self, image_path_batch=None):
|
||
"""
|
||
description: Ready data for warmup
|
||
"""
|
||
for _ in range(self.batch_size):
|
||
yield np.zeros([self.input_h, self.input_w, 3], dtype=np.uint8)
|
||
|
||
def preprocess_image(self, raw_bgr_image):
|
||
image_raw = raw_bgr_image
|
||
h, w, c = image_raw.shape
|
||
image = cv2.cvtColor(image_raw, cv2.COLOR_BGR2RGB)
|
||
# Calculate widht and height and paddings
|
||
r_w = self.input_w / w
|
||
r_h = self.input_h / h
|
||
if r_h > r_w:
|
||
tw = self.input_w
|
||
th = int(r_w * h)
|
||
tx1 = tx2 = 0
|
||
ty1 = int((self.input_h - th) / 2)
|
||
ty2 = self.input_h - th - ty1
|
||
else:
|
||
tw = int(r_h * w)
|
||
th = self.input_h
|
||
tx1 = int((self.input_w - tw) / 2)
|
||
tx2 = self.input_w - tw - tx1
|
||
ty1 = ty2 = 0
|
||
# Resize the image with long side while maintaining ratio
|
||
image = cv2.resize(image, (tw, th))
|
||
# Pad the short side with (128,128,128)
|
||
image = cv2.copyMakeBorder(
|
||
image, ty1, ty2, tx1, tx2, cv2.BORDER_CONSTANT, None, (128, 128, 128)
|
||
)
|
||
image = image.astype(np.float32)
|
||
# Normalize to [0,1]
|
||
image /= 255.0
|
||
# HWC to CHW format:
|
||
image = np.transpose(image, [2, 0, 1])
|
||
# CHW to NCHW format
|
||
image = np.expand_dims(image, axis=0)
|
||
# Convert the image to row-major order, also known as "C order":
|
||
image = np.ascontiguousarray(image)
|
||
return image, image_raw, h, w
|
||
|
||
def xywh2xyxy(self, origin_h, origin_w, x):
|
||
"""
|
||
description: Convert nx4 boxes from [x, y, w, h] to [x1, y1, x2, y2] where xy1=top-left, xy2=bottom-right
|
||
param:
|
||
origin_h: height of original image
|
||
origin_w: width of original image
|
||
x: A boxes numpy, each row is a box [center_x, center_y, w, h]
|
||
return:
|
||
y: A boxes numpy, each row is a box [x1, y1, x2, y2]
|
||
"""
|
||
y = np.zeros_like(x)
|
||
r_w = self.input_w / origin_w
|
||
r_h = self.input_h / origin_h
|
||
if r_h > r_w:
|
||
y[:, 0] = x[:, 0]
|
||
y[:, 2] = x[:, 2]
|
||
y[:, 1] = x[:, 1] - (self.input_h - r_w * origin_h) / 2
|
||
y[:, 3] = x[:, 3] - (self.input_h - r_w * origin_h) / 2
|
||
y /= r_w
|
||
else:
|
||
y[:, 0] = x[:, 0] - (self.input_w - r_h * origin_w) / 2
|
||
y[:, 2] = x[:, 2] - (self.input_w - r_h * origin_w) / 2
|
||
y[:, 1] = x[:, 1]
|
||
y[:, 3] = x[:, 3]
|
||
y /= r_h
|
||
|
||
return y
|
||
|
||
def post_process(self, output, origin_h, origin_w):
|
||
# Get the num of boxes detected
|
||
num = int(output[0])
|
||
# Reshape to a two dimentional ndarray
|
||
pred = np.reshape(output[1:], (-1, 38))[:num, :]
|
||
# Do nms
|
||
boxes = self.non_max_suppression(pred, origin_h, origin_w, conf_thres=CONF_THRESH, nms_thres=IOU_THRESHOLD)
|
||
result_boxes = boxes[:, :4] if len(boxes) else np.array([])
|
||
result_scores = boxes[:, 4] if len(boxes) else np.array([])
|
||
result_classid = boxes[:, 5] if len(boxes) else np.array([])
|
||
return result_boxes, result_scores, result_classid
|
||
|
||
def bbox_iou(self, box1, box2, x1y1x2y2=True):
|
||
"""
|
||
description: compute the IoU of two bounding boxes
|
||
param:
|
||
box1: A box coordinate (can be (x1, y1, x2, y2) or (x, y, w, h))
|
||
box2: A box coordinate (can be (x1, y1, x2, y2) or (x, y, w, h))
|
||
x1y1x2y2: select the coordinate format
|
||
return:
|
||
iou: computed iou
|
||
box_iou
|
||
"""
|
||
if not x1y1x2y2:
|
||
# Transform from center and width to exact coordinates
|
||
b1_x1, b1_x2 = box1[:, 0] - box1[:, 2] / 2, box1[:, 0] + box1[:, 2] / 2
|
||
b1_y1, b1_y2 = box1[:, 1] - box1[:, 3] / 2, box1[:, 1] + box1[:, 3] / 2
|
||
b2_x1, b2_x2 = box2[:, 0] - box2[:, 2] / 2, box2[:, 0] + box2[:, 2] / 2
|
||
b2_y1, b2_y2 = box2[:, 1] - box2[:, 3] / 2, box2[:, 1] + box2[:, 3] / 2
|
||
else:
|
||
# Get the coordinates of bounding boxes
|
||
b1_x1, b1_y1, b1_x2, b1_y2 = box1[:, 0], box1[:, 1], box1[:, 2], box1[:, 3]
|
||
b2_x1, b2_y1, b2_x2, b2_y2 = box2[:, 0], box2[:, 1], box2[:, 2], box2[:, 3]
|
||
|
||
# Get the coordinates of the intersection rectangle
|
||
inter_rect_x1 = np.maximum(b1_x1, b2_x1)
|
||
inter_rect_y1 = np.maximum(b1_y1, b2_y1)
|
||
inter_rect_x2 = np.minimum(b1_x2, b2_x2)
|
||
inter_rect_y2 = np.minimum(b1_y2, b2_y2)
|
||
# Intersection area
|
||
inter_area = np.clip(inter_rect_x2 - inter_rect_x1 + 1, 0, None) * \
|
||
np.clip(inter_rect_y2 - inter_rect_y1 + 1, 0, None)
|
||
# Union Area
|
||
b1_area = (b1_x2 - b1_x1 + 1) * (b1_y2 - b1_y1 + 1)
|
||
b2_area = (b2_x2 - b2_x1 + 1) * (b2_y2 - b2_y1 + 1)
|
||
|
||
iou = inter_area / (b1_area + b2_area - inter_area + 1e-16)
|
||
|
||
return iou
|
||
|
||
def non_max_suppression(self, prediction, origin_h, origin_w, conf_thres=0.5, nms_thres=0.4):
|
||
boxes = prediction[prediction[:, 4] >= conf_thres]
|
||
boxes[:, :4] = self.xywh2xyxy(origin_h, origin_w, boxes[:, :4])
|
||
boxes[:, 0] = np.clip(boxes[:, 0], 0, origin_w - 1)
|
||
boxes[:, 2] = np.clip(boxes[:, 2], 0, origin_w - 1)
|
||
boxes[:, 1] = np.clip(boxes[:, 1], 0, origin_h - 1)
|
||
boxes[:, 3] = np.clip(boxes[:, 3], 0, origin_h - 1)
|
||
confs = boxes[:, 4]
|
||
boxes = boxes[np.argsort(-confs)]
|
||
|
||
keep_boxes = []
|
||
while boxes.shape[0]:
|
||
large_overlap = self.bbox_iou(np.expand_dims(boxes[0, :4], 0), boxes[:, :4]) > nms_thres
|
||
label_match = boxes[0, -1] == boxes[:, -1]
|
||
# Indices of boxes with lower confidence scores, large IOUs and matching labels
|
||
invalid = large_overlap & label_match
|
||
keep_boxes += [boxes[0]]
|
||
boxes = boxes[~invalid]
|
||
boxes = np.stack(keep_boxes, 0) if len(keep_boxes) else np.array([])
|
||
return boxes
|
||
|
||
|
||
def connect_to_rtsp_stream(url):
|
||
""" 尝试连接到 RTSP 流 """
|
||
cap = cv2.VideoCapture(url)
|
||
cap.set(cv2.CAP_PROP_FOURCC, cv2.VideoWriter_fourcc(*'HEVC'))
|
||
if not cap.isOpened():
|
||
print(f"Failed to connect to {url}")
|
||
return None
|
||
return cap
|
||
|
||
|
||
class rtspInputFrame(threading.Thread):
|
||
def __init__(self, video_path, rtsp_frame_buffer):
|
||
threading.Thread.__init__(self)
|
||
self.video_path = video_path
|
||
self.rtsp_frame_buffer = rtsp_frame_buffer # rtsp输入缓冲区的队列
|
||
|
||
def run(self):
|
||
cap = connect_to_rtsp_stream(self.video_path)
|
||
while True:
|
||
|
||
if cap is None:
|
||
cap = connect_to_rtsp_stream(self.video_path)
|
||
time.sleep(5)
|
||
else:
|
||
# 从视频流中读取一帧
|
||
ret, frame = cap.read()
|
||
# 如果帧读取成功，则 ret 为 True
|
||
if not ret:
|
||
print("无法读取帧，尝试重新连接...")
|
||
# 关闭当前的 VideoCapture 对象
|
||
cap.release()
|
||
# 尝试重新连接
|
||
while True:
|
||
cap = connect_to_rtsp_stream(self.video_path)
|
||
if cap is not None:
|
||
break
|
||
# 等待一段时间后再尝试连接
|
||
time.sleep(5) # 休眠5秒
|
||
|
||
else:
|
||
if rtsp_frame_buffer.full():
|
||
continue # 如果队列满了，就丢弃最早的帧 这个地方可能有线程安全问题
|
||
frame = cv2.resize(frame, (1280, 720))
|
||
rtsp_frame_buffer.put(frame)
|
||
# 释放资源
|
||
cap.release()
|
||
cv2.destroyAllWindows()
|
||
|
||
|
||
class inferThread(threading.Thread):
|
||
def __init__(self, yolov8_wrapper, video_path, ip, rtsp_frame_buffer, tokenResult, ffmpeg_buffer_size=300,
|
||
save_buffer_size=2500):
|
||
threading.Thread.__init__(self)
|
||
self.ip = ip
|
||
self.yolov8_wrapper = yolov8_wrapper
|
||
self.video_path = video_path
|
||
self.rtsp_frame_buffer = rtsp_frame_buffer
|
||
self.tokenResult = tokenResult
|
||
self.ffmpeg_buffer_size = ffmpeg_buffer_size
|
||
self.ffmpeg_frame_buffer = queue.Queue(maxsize=ffmpeg_buffer_size) # ffmpeg输出到m3u6的队列，输出切片缓冲区用于存储视频帧
|
||
self.save_frame_buffer = queue.Queue(maxsize=save_buffer_size) # 用于保存视频的缓存
|
||
self.frame_count = 0 # 帧计数器
|
||
self.start_warning_time = None # 记录告警开始时间
|
||
self.latest_warning_time = None # 记录告警结束时间
|
||
self.old_update_warning_time = time.time() - 3600 # 上一次成功告警的时间
|
||
|
||
def run(self):
|
||
|
||
frame_push_thread = FramePushThread(self.ffmpeg_frame_buffer, pipeline_mid)
|
||
frame_push_thread.start()
|
||
previous_frame = None
|
||
save_flag = []
|
||
self.tokenResult['token'] = 'token'
|
||
self.tokenResult['current_time'] = '2024-01-01 00:00:00'
|
||
|
||
while True:
|
||
frame = rtsp_frame_buffer.get()
|
||
if previous_frame is not None:
|
||
|
||
result_same = compare_frames(previous_frame, frame, 100)
|
||
if result_same:
|
||
# 相同帧不做处理直接推流
|
||
ret, jpeg_frame = cv2.imencode('.jpg', frame)
|
||
self.ffmpeg_frame_buffer.put(jpeg_frame.tobytes())
|
||
else:
|
||
batch_image_raw, r_list = self.yolov8_wrapper.infer(frame)
|
||
ret, jpeg_frame = cv2.imencode('.jpg', frame)
|
||
self.ffmpeg_frame_buffer.put(jpeg_frame.tobytes())
|
||
|
||
if r_list is not None:
|
||
now_time = time.time()
|
||
# 如果告警满了 直接上传
|
||
if self.save_frame_buffer.full():
|
||
# print('开始告警时间超时60s，应该触发长告警上传方法')
|
||
token = get_token(self.tokenResult)
|
||
# token = '123'
|
||
print('执行保存')
|
||
save_thread = SaveAndUploadMP4Thread(self.ip, self.save_frame_buffer, save_flag,
|
||
False, token)
|
||
save_thread.start()
|
||
save_flag.clear()
|
||
self.frame_count = 0
|
||
self.save_frame_buffer.queue.clear()
|
||
self.old_update_warning_time = now_time
|
||
self.start_warning_time = None
|
||
self.latest_warning_time = None
|
||
else:
|
||
# 不在600秒以内 进行操作
|
||
upload_flag = verify_timenum(self.old_update_warning_time, now_time, time_interval)
|
||
# print("是否在600s以内" + str(upload_flag))
|
||
|
||
if upload_flag is False:
|
||
flag = verify_bbox_class(r_list, save_flag)
|
||
if flag:
|
||
# 若存在人脸，且为最新的警告，则设置开始时间，最新时间为当前时间
|
||
if self.latest_warning_time is None:
|
||
self.start_warning_time = now_time
|
||
self.latest_warning_time = now_time
|
||
# print('判断是第一个警告视频帧,且开始时间 和 最新警告时间是:' + formatted_time)
|
||
|
||
# 若存在人脸，且为后续的警告，则设置最新时间为当前时间，开始时间不变
|
||
if self.latest_warning_time is not None:
|
||
self.latest_warning_time = now_time
|
||
# print('判断是告警事件的后续视频帧‘）
|
||
|
||
self.save_frame_buffer.put(frame)
|
||
# print('存入')
|
||
self.frame_count += 1
|
||
|
||
# 正常帧，但有最新告警时间---->说明事件还未完成
|
||
if flag is False and self.latest_warning_time is not None:
|
||
# 判断距离最新告警帧事件是否超过10s，若在10s内返回true 不在 返回false
|
||
save_upload_flag = verify_timenum(self.latest_warning_time, now_time, 10)
|
||
# 10s内直接保存
|
||
if save_upload_flag:
|
||
self.save_frame_buffer.put(frame)
|
||
else:
|
||
if self.frame_count > 20:
|
||
# save_frame_type_min 是否为短告警
|
||
# 判断最新告警时间 和 开始告警时间相差是否在10s内，
|
||
# save_frame_type_min = true 为10s内上传图片 save_frame_type_min = false超过5s上传图片和视频
|
||
save_frame_type_min = verify_timenum(self.start_warning_time,
|
||
self.latest_warning_time, 5)
|
||
# print('判断是正常视频帧,且在5s外,距离最新告警时间相差超过5s，应该触发上传方法')
|
||
|
||
# 获取token
|
||
token = get_token(self.tokenResult)
|
||
print('执行保存')
|
||
save_thread = SaveAndUploadMP4Thread(self.ip, self.save_frame_buffer, save_flag,
|
||
save_frame_type_min, token)
|
||
save_thread.start()
|
||
save_flag.clear()
|
||
self.frame_count = 0
|
||
self.save_frame_buffer.queue.clear()
|
||
self.old_update_warning_time = now_time
|
||
self.start_warning_time = None
|
||
self.latest_warning_time = None
|
||
else:
|
||
self.frame_count = 0
|
||
self.save_frame_buffer.queue.clear()
|
||
self.old_update_warning_time = now_time
|
||
self.start_warning_time = None
|
||
self.latest_warning_time = None
|
||
|
||
if self.latest_warning_time is not None and self.start_warning_time is not None:
|
||
maxTimeMp4Flag = verify_timenum(self.start_warning_time, self.latest_warning_time, 60)
|
||
if maxTimeMp4Flag is False:
|
||
# print('开始告警时间超时60s，应该触发长告警上传方法')
|
||
print('执行保存')
|
||
# 获取token
|
||
token = get_token(self.tokenResult)
|
||
save_thread = SaveAndUploadMP4Thread(self.ip, self.save_frame_buffer, save_flag,
|
||
False, token)
|
||
save_thread.start()
|
||
save_flag.clear()
|
||
self.frame_count = 0
|
||
self.save_frame_buffer.queue.clear()
|
||
self.old_update_warning_time = now_time
|
||
self.start_warning_time = None
|
||
self.latest_warning_time = None
|
||
|
||
previous_frame = frame
|
||
|
||
|
||
if __name__ == "__main__":
|
||
print("=============================================================================================================")
|
||
# load custom plugin and engine
|
||
PLUGIN_LIBRARY = "build_250107/libmyplugins.so"
|
||
engine_file_path = "build_250107/best.engine"
|
||
|
||
# 执行python代码命令行 参数判断操作（不做处理）
|
||
if len(sys.argv) > 1:
|
||
engine_file_path = sys.argv[1]
|
||
if len(sys.argv) > 2:
|
||
PLUGIN_LIBRARY = sys.argv[2]
|
||
clear_folder(ip)
|
||
# 加载动态链接库
|
||
ctypes.CDLL(PLUGIN_LIBRARY)
|
||
# 手动输入训练时的类别
|
||
categories = ["face", "shoe","phone", "e-bike"]
|
||
try:
|
||
# 加载模型文件
|
||
yolov8_wrapper1 = YoLov8TRT(engine_file_path)
|
||
except:
|
||
print("加载文件失败")
|
||
restart_program()
|
||
|
||
try:
|
||
thread_rtsp = rtspInputFrame(vod_path,
|
||
rtsp_frame_buffer)
|
||
thread_det_1 = inferThread(yolov8_wrapper1, vod_path, ip, rtsp_frame_buffer, tokenResult)
|
||
thread_rtsp.start()
|
||
thread_det_1.start()
|
||
thread_rtsp.join()
|
||
thread_det_1.join()
|
||
|
||
finally:
|
||
# destroy the instance
|
||
thread_det_1.destroy()
|