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display.py
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# -*- coding=utf-8 -*-
# name: nan chen
# date: 2021/7/4 19:56
import threading
import cv2
from PyQt5.QtWidgets import QFileDialog
from PyQt5.QtGui import QPixmap, QImage
import numpy as np
from PyQt5 import QtWidgets, QtGui
import face_identify
from retinaface import Retinaface
class Display:
def __init__(self, ui, mainWnd):
self.ui = ui
self.mainWnd = mainWnd
self.a = 0
self.b = 0
self.isCamera = True
# 信号槽设置
ui.CameraButton.clicked.connect(self.radioButtonCam)
ui.PhotoButton.clicked.connect(self.photoButtonFile)
ui.FileButton.clicked.connect(self.radioButtonFile)
ui.Close.clicked.connect(self.Close)
# 创建一个关闭事件并设为未触发
self.continueEvent1 = threading.Event()
self.continueEvent1.clear()
self.stopEvent = threading.Event()
self.stopEvent.clear()
def radioButtonCam(self):
self.isCamera = True
self.a = 1
self.cap = cv2.VideoCapture(0)
th = threading.Thread(target=self.Display)
th.start()
def suspend_continue(self):
self.continueEvent1.set()
def radioButtonFile(self):
self.fileName = ""
self.fileName, self.fileType = QFileDialog.getOpenFileName(self.mainWnd, 'Choose file', '',
"MP4Files(*.mp4);;AVI Files(*.avi)")
self.cap = cv2.VideoCapture(self.fileName)
self.frameRate = self.cap.get(cv2.CAP_PROP_FPS)
th = threading.Thread(target=self.Display)
th.start()
def photoButtonFile(self):
self.isCamera = False
self.fileName = ""
self.fileName, self.fileType = QFileDialog.getOpenFileName(self.mainWnd, "打开图片", "", "*.jpg;;*.png;;All Files(*)")
print(self.fileName)
# jpg = QtGui.QPixmap(self.fileName)
# self.ui.DispalyLabel.setPixmap(jpg)
label_width = self.ui.DispalyLabel.width()
label_height = self.ui.DispalyLabel.height()
img = face_identify.indentify_photo(self.fileName)
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
image = QImage(img, img.shape[1], img.shape[0],img.shape[1]*3, QImage.Format_RGB888)
image = QPixmap.fromImage(image).scaled(label_width, label_height)
self.ui.DispalyLabel.setPixmap(image)
#self.ui.DispalyLabel.setPixmap(QPixmap.fromImage(img))
# self.cap = cv2.VideoCapture(self.fileName)
# self.frameRate = self.cap.get(cv2.CAP_PROP_FPS)
# th = threading.Thread(target=self.Display)
# th.start()
# def pause(self):
# self.__flag.clear() # 设置为False, 让线程阻塞
# print("pause")
#
# def resume(self):
# self.__flag.set() # 设置为True, 让线程停止阻塞
# print("resume")
"""
def Open(self):
self.fileName = ""
if not self.isCamera:
self.fileName, self.fileType = QFileDialog.getOpenFileName(self.mainWnd, 'Choose file', '',
"MP4Files(*.mp4);;AVI Files(*.avi)")
self.cap = cv2.VideoCapture(self.fileName)
self.frameRate = self.cap.get(cv2.CAP_PROP_FPS)
else:
# 下面两种rtsp格式都是支持的
# cap = cv2.VideoCapture("rtsp://admin:[email protected]/main/Channels/1")
self.a = 1
self.cap = cv2.VideoCapture(0)
# 创建视频显示线程
if (self.fileName != "") or (self.a == 1):
th = threading.Thread(target=self.Display)
th.start()
"""
def Close(self):
# 关闭事件设为触发，关闭视频播放
self.a = 0
self.stopEvent.set()
def Display(self):
retinaface = Retinaface()
# self.ui.Open.setEnabled(False)
self.ui.Close.setEnabled(True)
# self.ui.First.setEnabled(True)
label_width = self.ui.DispalyLabel.width()
label_height = self.ui.DispalyLabel.height()
while self.cap.isOpened() and True:
success, frame = self.cap.read()
# RGB转BGR
print(success)
if success == False:
print("play finished") # 判断本地文件播放完毕
break
frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
# 进行检测
frame = np.array(retinaface.detect_image(frame))
# frame = cv2.cvtColor(frame, cv2.COLOR_RGB2BGR)
img = QImage(frame.data, frame.shape[1], frame.shape[0], QImage.Format_RGB888)
self.ui.DispalyLabel.setPixmap(QPixmap.fromImage(img).scaled(label_width, label_height))
if self.isCamera:
cv2.waitKey(1)
else:
cv2.waitKey(int(1000 / self.frameRate))
# 判断关闭事件是否已触发
if True == self.continueEvent1.is_set():
self.continueEvent1.clear()
self.b = 1
while self.b == 1:
if True == self.continueEvent1.is_set():
self.continueEvent1.clear()
self.b = 0
if True == self.stopEvent.is_set():
# 关闭事件置为未触发，清空显示label
break
self.cap.release()
self.stopEvent.clear()
self.ui.DispalyLabel.clear()
self.ui.Close.setEnabled(False)
# self.ui.Open.setEnabled(True)
self.ui.DispalyLabel.setText("1212")