imageio 视频帧拼接

图片加入视频：

import cv2

import imageio
import numpy as np

if __name__ == '__main__':

    video_path=r"D:\data\tmp\data_similar\box\153\1030_0930_0.mp4"

    img_path=r"D:\data\tmp\data_similar\sample\bi_1.jpg"

    img=cv2.imread(img_path)
    img=cv2.cvtColor(img,cv2.COLOR_BGR2RGB)
    writer = imageio.get_writer(
        "video.mp4", fps=30, codec="libx264", bitrate="8000k",
        ffmpeg_params=["-crf", "18", "-preset", "slow"]
    )
    writer.append_data(img)

    video = cv2.VideoCapture(video_path)
    fps = int(video.get(cv2.CAP_PROP_FPS))
    count = video.get(cv2.CAP_PROP_FRAME_COUNT)
    while True:
        ret, frame = video.read()
        if not ret: break
        frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)

        writer.append_data(frame.astype(np.uint8))

    writer.close()