Script to convert (parallel) SBS or MPO image into a SBS image displayable by QooCam EGO device

sbs2qoocamego.py

#!/usr/bin/env python3

# Script to convert (parallel) SBS or MPO image into a SBS image displayable by QooCam EGO device
# TODO: Add a thumbnail that could be displayed by the device

import argparse
import os
import sys

parser = argparse.ArgumentParser(description='SBS to QoocCam EGO')
parser.add_argument('files', nargs='+', help='List of files')
parser.add_argument('--start -s', dest='start', type=int, default=1, help='First number of the sequence')
parser.add_argument('--output --out -o', dest='output', default='out', help='Output directory')
args = parser.parse_args()

try:
    from PIL import Image
except:
    print('Pillow library is requiered but not found')
    exit()

os.makedirs(args.output, exist_ok=True)
for cnt, f in enumerate(args.files):
    im = Image.open(f)
    if getattr(im, "n_frames", 1) == 1:
        w, h = im.size
        r = min(8000/w, 3000/h)
        il = im.resize((round(w//2*r), round(h*r)), box=(0, 0, w//2, h))
        ir = im.resize((round(w//2*r), round(h*r)), box=(w//2, 0, w, h))
    else:
        w, h = im.size
        r = min(4000/w, 3000/h)
        il = im.resize((round(w*r), round(h*r)))
        im.seek(1)
        ir = im.resize((round(w*r), round(h*r)))

    mw = (4000-ir.size[0])//2
    mh = (3000-ir.size[1])//2

    exif = im.getexif()
    exif[0x011a] = 72
    exif[0x011b] = 72

    im2 = Image.new("RGB", (8000, 3000))
    im2.paste(il, (mw, mh))
    im2.paste(ir, (mw+4000, mh))
    im2.save(f'{args.output}/0000_00000000_{cnt+args.start:06}.jpg', exif=exif)