Created
June 11, 2022 05:07
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Python script to make movie from stack of jpeg images
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import sys | |
import os | |
import numpy as np | |
from PIL import Image, ImageFont, ImageDraw | |
import cv2 | |
def main(file_template, start=0, end=100000): | |
font = ImageFont.truetype("FreeMono.ttf", 32) | |
capture = cv2.VideoCapture(0) | |
out = cv2.VideoWriter( | |
"out.mp4", cv2.VideoWriter_fourcc(*"mp4v"), 10.0, (1640, 820) | |
) | |
print(f"Processing images {start} to {end} inclusive") | |
for j in range(start, end + 1): | |
filename = file_template % j | |
print(filename) | |
if not os.path.exists(filename): | |
continue | |
image = Image.open(filename) | |
timestamp = image._getexif()[36867] | |
day, time = timestamp.split() | |
day = day.replace(":", "/") | |
time = "%s %05d" % (time[:5], j) | |
draw = ImageDraw.Draw(image) | |
draw.text((16, 16), f"{time}", (0xFF, 0xFF, 0xFF), font=font) | |
# this inverts RGB but we don't care because monochrome | |
out.write(np.asarray(image)) | |
out.release() | |
capture.release() | |
if __name__ == "__main__": | |
main(sys.argv[1], start=int(sys.argv[2]), end=int(sys.argv[3])) |
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