OpenCV and Riksdag

%%capture
!pip install opencv-python
!pip install dlib
!pip install face_recognition

%%capture
!wget https://mhdownload.riksdagen.se/VOD1/188373_20000_965995.mp4

SAMPLE = "188373_20000_965995.mp4"

import face_recognition
import cv2

video = cv2.VideoCapture(SAMPLE)
frameno = 1

detections = []
while True:
    ret, frame = video.read()
    try:
        small_frame = cv2.resize(frame, (0, 0), fx=0.25, fy=0.25)
    except:
        frameno += 1
        continue

    face_locations = face_recognition.face_locations(small_frame, model="cnn")

    locations = []
    for top, right, bottom, left in face_locations:
        current = {}
        current["top"] = top * 4
        current["right"] = right * 4
        current["bottom"] = bottom * 4
        current["left"] = left * 4
        locations.append(current)

    # skip empty output
    if len(locations) != 0:
        current_frame = {}
        current_frame["frame"] = frameno
        current_frame["detections"] = locations
        detections.append(current_frame)

    frameno += 1

detections