有没有python虚拟摄像头的sdk？

pyvirtualcam可以实现

安装

pip install pyvirtualcam

示例

import pyvirtualcam
import numpy as np

with pyvirtualcam.Camera(width=1280, height=720, fps=20) as cam:
    print(f'Using virtual camera: {cam.device}')
    frame = np.zeros((cam.height, cam.width, 3), np.uint8)  # RGB
    while True:
        frame[:] = cam.frames_sent % 255  # grayscale animation
        cam.send(frame)
        cam.sleep_until_next_frame()

# This script plays back a video file on the virtual camera.
# It also shows how to:
# - select a specific camera device
# - use BGR as pixel format

import argparse
import pyvirtualcam
from pyvirtualcam import PixelFormat
import cv2

parser = argparse.ArgumentParser()
parser.add_argument("video_path", help="path to input video file")
parser.add_argument("--fps", action="store_true", help="output fps every second")
parser.add_argument("--device", help="virtual camera device, e.g. /dev/video0 (optional)...

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