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FROM python:3.7-slim
RUN apt update
RUN apt install sudo
RUN sudo apt install ffmpeg libsm6 libxext6 -y
RUN pip install opencv-contrib-python==4.5.5.64
# RUN pip install easyocr==1.4.2

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! pip install kafka-python

import cv2
from kafka import KafkaConsumer
import numpy as np
import time

def benchmark(fn):
    def _timing(*a, **kw):
        st = time.perf_counter()

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Installations

Print System Info

cat /etc/os-release

NAME="Ubuntu" VERSION="20.04.3 LTS (Focal Fossa)" ...

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# Cut video (two time values; first one is starting, second one is length)
ffmpeg -ss 00:01:23 -t 00:03:10 -i input.mp4 -vcodec copy -acodec copy cropped.mp4

# Merge all videos in directory
ffmpeg -f concat -safe 0 -i <(for f in ./*.mp4; do echo "file '$PWD/$f'"; done) -c copy merged.mp4

# Copy video without audio
ffmpeg -i vid_with_audio.mp4 -c copy -an vid_without_audio.mp4

# Reverse video

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import argparse
import cv2
import os


def get_frame(src):
    # Create a VideoCapture object and read from input file
    # If the input is the camera, pass 0 instead of the video file path
    cap = cv2.VideoCapture(src)
    # Check if camera opened successfully

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# Regex for Turkish License Plate
# http://tr.wikipedia.org/wiki/Türkiye_il_plaka_kodları

import re

# Upper limits of numerical characters customizable. (eg. 81XX...)
def is_plate_valid(plate):
    exps = [
        r"\b[0-9]{1}[0-9]{1}[a-zA-Z]{1}[0-9]{4,5}\b", # 99 X 9999, 99 X 99999
        r"\b[0-9]{1}[0-9]{1}[a-zA-Z]{2}[0-9]{3,4}\b", # 99 XX 999, 99 XX 9999