Return random image as json frame

gistfile1.txt

from fastapi import FastAPI
from uvicorn import run

import cv2
import numpy as np
import base64

app = FastAPI()


@app.get("/api/video_frame")
async def video_frame():
    buffer = cv2.imencode('.jpg', _get_frame())[1]
    frame_as_text = base64.b64encode(buffer)
    return {"frame": frame_as_text}


def _get_frame():
    frame = np.random.randint(low=0, high=255, size=(480, 640, 3), dtype='uint8')
    return frame


if __name__ == '__main__':
    run(app, host="127.0.0.1", port=8001)