Snippets
Created by
Emre Şahin
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from os import path
import os
# print(os.environ['LD_LIBRARY_PATH'])
# print(os.environ['PATH'])
import gc
import cv2
import numpy as np
import datetime as dt
import os
import time
import io
from PySide2 import QtCore as qtc
from PySide2 import QtWidgets as qtw
from PySide2 import QtGui as qtg
import face_recognition as fr
import database_api as db
import camera_dialog as cd
import person_dialog as pd
import history_dialog as hd
import camera_controller as cc
import history_recorder
import video_recorder
import redis
import rq
from utils import *
log = init_logging()
R = redis.Redis(host='localhost', port=6379)
history_queue = rq.Queue("history", connection=R)
video_queue = rq.Queue("video", connection=R)
VIDEO_RECORD_TIMEOUT = 3600
class FaceRecognitionWidget(qtw.QWidget):
def __init__(self, camera_controller, parent=None):
super().__init__(parent)
self.camera_controller = camera_controller
self.video_device = camera_controller.device
self.recognizer = fr.FaceRecognizer_v1()
self.font = cv2.FONT_HERSHEY_COMPLEX_SMALL
self.text_color = (255, 255, 0)
self.rectangle_color = (255, 0, 255)
self.image = qtg.QImage()
self.timer = qtc.QBasicTimer()
self.camera = cv2.VideoCapture(self.video_device)
def start_timer(self):
self.timer.start(0, self)
def stop_timer(self):
self.timer.stop()
def timerEvent(self, event):
if (event.timerId() != self.timer.timerId()):
return
read, image = self.camera.read()
if read:
self.process_image(image)
def add_frame_to_redis(self, image_data):
t = time.time()
key = 'frame:{}'.format(t)
log.debug("key: %s", key)
filename = video_recorder.get_video_filename(
t, self.camera_controller.camera_id)
# memfile = io.BytesIO()
# we can use savez here if memory becomes an issue, I prefer speed
# np.save(memfile, image_data)
R.hmset(
key,
{
'time': t,
'camera_id': self.camera_controller.camera_id,
# 'image_string': memfile.getvalue(),
'image_data': image_data.tostring(),
'image_shape_x': image_data.shape[0],
'image_shape_y': image_data.shape[1],
'image_shape_z': image_data.shape[2],
'image_dtype': image_data.dtype,
'filename': filename
})
R.rpush('framekeys', key)
log.debug("R.llen(framekeys): %s", R.llen('framekeys'))
return filename
def process_image(self, image_data):
video_filename = self.add_frame_to_redis(image_data)
faces = self.recognizer.predict_faces(image_data)
# image_data_processed = image_data.copy()
log.debug("faces: %s", faces)
for coords, person_id in faces:
log.debug(coords)
log.debug(person_id)
(x, y, w, h) = coords
db_result = []
if person_id is not None:
person_id = int(person_id)
db_result = db.person_by_id(person_id)
log.debug("db_result: %s", db_result)
if db_result == []:
name = "Unknown Unknown"
title = "Unknown"
notes = ""
else:
assert (len(db_result) == 1)
(person_id_, name, title, notes) = db_result[0]
log.debug("person_id: {} title: {} name: {}".format(
person_id, title, name))
face_image = image_data[x:(x + w), y:(y + h)]
history_queue.enqueue(history_recorder.record, time.time(),
self.camera_controller.camera_id, person_id,
image_data, face_image, video_filename)
# SYNC CALL FOR DEBUG history_recorder.record(time.time(),
# self.camera_controller.camera_id, person_id, image_data,
# face_image, video_filename)
cv2.putText(image_data, name, (y, x - 5), self.font, 1.0,
self.text_color, 2)
cv2.rectangle(image_data, (y, x), (y + h, x + w),
self.rectangle_color, 2)
qs = self.size()
image_data = cv2.resize(image_data, (qs.height(), qs.width()))
self.image = get_qimage(image_data)
# if self.image.size() != self.size():
# self.setFixedSize(self.image.size())
self.update()
def paintEvent(self, event):
painter = qtg.QPainter(self)
painter.drawImage(0, 0, self.image)
del self.image
self.image = qtg.QImage()
class MainWidget(qtw.QWidget):
def __init__(self, parent=None):
super().__init__(parent)
self.camera_controllers = cc.get_camera_controllers()
self.camera_controllers = {
k: c
for k, c in self.camera_controllers.items()
if (c.device != '' and os.path.exists(c.device))
}
self.run_button = qtw.QPushButton('Start')
self.camera_configuration_button = qtw.QPushButton('Camera Config')
self.camera_configuration_button.clicked.connect(
self.camera_config_dialog)
self.history_button = qtw.QPushButton('History')
self.history_button.clicked.connect(self.history_dialog)
self.people_button = qtw.QPushButton('People')
self.people_button.clicked.connect(self.people_dialog)
self.close_button = qtw.QPushButton('Close')
self.close_button.clicked.connect(self.close)
self.recognizers = []
log.debug("Cameras: {}".format(self.camera_controllers))
for cam_id, cam in self.camera_controllers.items():
log.debug("Running for {}: {}".format(cam.name, cam.command))
cam.run_command()
frw = FaceRecognitionWidget(camera_controller=cam, parent=self)
self.recognizers.append(frw)
self.run_button.clicked.connect(frw.start_timer)
# Connect the image data signal and slot together
# image_data_slot = self.face_detection_widget.image_data_slot
# self.record_video.image_data.connect(image_data_slot)
# #
# connect the run button to the start recording slot
# self.run_button.clicked.connect(self.record_video.start_recording)
# Create and set the layout
if len(self.recognizers) == 0:
qtw.QMessageBox.warning(self, "No Cams", "No Cameras Are Present")
self.camera_config_dialog()
elif len(self.recognizers) > 1:
self.setLayout(self.layout_for_4_cameras())
else:
self.setLayout(self.layout_for_1_camera())
for frw in self.recognizers:
frw.start_timer()
def closeEvent(self, event):
log.debug("camera_controllers: %s", self.camera_controllers)
for cam_id, cam in self.camera_controllers.items():
log.debug("cam_id: %s", cam_id)
cam.kill_command()
log.debug("cam.process: %s", cam.process)
for frw in self.recognizers:
frw.stop_timer()
log.debug("before event: %s", event)
event.accept()
log.debug("after event: %s", event)
def history_dialog(self):
history_dialog = hd.HistoryDialog(self.recognizers[0].recognizer, self)
history_dialog.exec_()
def camera_config_dialog(self):
dialog = cd.CameraConfigurationDialog(self)
dialog.exec_()
def people_dialog(self):
dialog = pd.PersonDialog(self.recognizers[0].recognizer, self)
dialog.exec_()
def layout_for_buttons(self):
layout = qtw.QHBoxLayout()
layout.addWidget(self.run_button, 1)
layout.addSpacing(1)
layout.addWidget(self.camera_configuration_button, 1)
layout.addSpacing(1)
layout.addWidget(self.history_button, 1)
layout.addSpacing(1)
layout.addWidget(self.people_button, 1)
layout.addSpacing(1)
layout.addWidget(self.close_button, 1)
layout.addSpacing(1)
return layout
def layout_for_1_camera(self):
layout = qtw.QVBoxLayout()
layout.addWidget(self.recognizers[0], 2)
layout.addLayout(self.layout_for_buttons(), 0)
return layout
def layout_for_4_cameras(self):
layout = qtw.QVBoxLayout()
camera_layout = qtw.QGridLayout()
try:
camera_layout.addWidget(self.recognizers[0], 0, 0, 1, 1)
camera_layout.addWidget(self.recognizers[1], 0, 1, 1, 1)
camera_layout.addWidget(self.recognizers[2], 1, 0, 1, 1)
camera_layout.addWidget(self.recognizers[3], 1, 1, 1, 1)
except IndexError:
pass
layout.addLayout(camera_layout, 2)
layout.addLayout(self.layout_for_buttons(), 0)
return layout
def main():
app = qtw.QApplication(sys.argv)
main_window = qtw.QMainWindow()
main_widget = MainWidget()
main_widget.setAttribute(qtc.Qt.WA_DeleteOnClose, True)
main_window.setAttribute(qtc.Qt.WA_DeleteOnClose, True)
main_window.setCentralWidget(main_widget)
main_widget.close_button.clicked.connect(main_window.close)
main_window.showFullScreen()
app_return = app.exec_()
log.debug("app_return: %s", app_return)
return sys.exit(app_return)
if __name__ == '__main__':
script_dir = path.dirname(path.realpath(__file__))
# cascade_filepath = path.join(script_dir,
# 'haarcascade_frontalface_default.xml')
# cascade_filepath = path.abspath(cascade_filepath)
main()
|
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