from io import BytesIO
from PIL import Image
import os
def compress(image):
im = Image.open('original/'+image)
im_io = BytesIO()
im.save(im_io, 'JPEG', quality=60)
with open('compressed/Compressed_'+image+'.jpg', 'wb') as file:
file.write(im_io.getvalue())
original_image_size = os.path.getsize('original/'+image)
compressed_image_size = os.path.getsize('compressed/Compressed_'+image+'.jpg')
print('Original Lena Size : ', original_image_size, '\nCompressed Lena Size : ', compressed_image_size,
'\nCompression Percent : ', original_image_size / compressed_image_size * 100, '%')
file_list = os.listdir('original')
for file in file_list:
compress(file)| Original | Compressed (Quality : 60%) |
|---|---|
| Size : 474766 Bytes | Size : 28012 Bytes |
| Compression Percent : 0 % 압축률 : 0 % |
Compression Percent : 1694.8664857918036 % 압축률 : 1694.8664857918036 % |
 |
 |
Video files are already compressed. You cannot compress them further, at least not significantly.
Your only option would be to decompress them, and then recompress them with a more effective compressor, e.g. HEVC.