from cv2 import imencode, IMWRITE_JPEG_QUALITY
from leads_video import Camera
from PIL.Image import fromarray, open
from io import BytesIO
from base64 import b64encode, b64decode
from time import time


cam = Camera(1)
cam.initialize()
im = cam.read()
cam.close()


t = time()
for i in range(1000):
    pil = fromarray(im)
    pil.save(buffer := BytesIO(), "JPEG", quality=25)
    b64encode(buffer.getvalue()).decode()
print(time() - t)

t = time()
for i in range(1000):
    _, im_arr = imencode(".jpg", im, params=(IMWRITE_JPEG_QUALITY, 25))
    im_bytes = im_arr.tobytes()
    im_b64 = b64encode(im_bytes)
    pil = open(BytesIO(b64decode(im_b64)))
print(time() - t)

t = time()
for i in range(1000):
    pil = fromarray(im)
    pil.save(buffer := BytesIO(), "JPEG")
    b64encode(buffer.getvalue()).decode()
print(time() - t)

t = time()
for i in range(1000):
    _, im_arr = imencode(".jpg", im)
    im_bytes = im_arr.tobytes()
    im_b64 = b64encode(im_bytes)
    pil = open(BytesIO(b64decode(im_b64)))
print(time() - t)

3.9419140815734863
2.492465019226074
3.6118061542510986
2.738065004348755

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Use OpenCV instead of Pillow for Base64 Encoding #408

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