import cv2
import numpy as np
 
# 定义编码器并创建VideoWriter对象
#fourcc = cv2.VideoWriter_fourcc(*'acv1')
fourcc = cv2.VideoWriter_fourcc(*'avc1')
output_video = 'output.mp4'
frame_width = 1920
frame_height = 1080
fps = 30
out = cv2.VideoWriter(output_video, fourcc, fps, (frame_width, frame_height))
 
# 创建视频帧（使用黑色作为示例）
frame = np.zeros((frame_height, frame_width, 3), np.uint8)
 
# 写入视频帧
for i in range(60):  # 假设我们只写入60帧
    # 这里可以替换为你的处理过程，比如添加文本或者处理帧
    # ...
 
    # 将帧写入视频
    out.write(frame)
 
# 释放VideoWriter对象
out.release()