python 视频拼接_python视频拼接

# -*- coding:utf-8 -*-
'''
 视频拼接
'''
import cv2
import numpy as np
 
cam1 = cv2.VideoCapture("./1sample_video.mp4")
cam2 = cv2.VideoCapture("./2sample_video.mp4")
 
# 获取视频1的宽度
ww = int(cam1.get(3))
# 获取视频1的高度
hh = int(cam1.get(4))
print(ww, hh)
# 获取视频的帧频
CAMERA_FPS = cam1.get(cv2.CAP_PROP_FPS)  
# 定义视频编码格式
fourcc = cv2.VideoWriter_fourcc(*'XVID')#也可以是'WMV1',其他格式参考https://www.fourcc.org/codecs.php
# 创建视频保存对象
videoWriter = cv2.VideoWriter('./out.avi', fourcc, CAMERA_FPS,(ww * 2, hh))#当是'WMV1'时，out.wmv

 
while True:
    # 读取视频
    (ok1, frame1) = cam1.read()
    (ok2, frame2) = cam2.read()
    if ok1 and ok2:
        # 重置视频大小，使两视频大小一致
        frame1 = cv2.resize(frame1, (ww, hh))
        frame2 = cv2.resize(frame2, (ww, hh))
        # 在视频中添加文字
        cv2.putText(frame1, "Video 1", (50, 50), cv2.FONT_HERSHEY_SIMPLEX, 2.0, (0, 255, 0), 2)
        cv2.putText(frame2, "Video 2", (50, 50), cv2.FONT_HERSHEY_SIMPLEX, 2.0, (0, 255, 0), 2)
        # 拼接处理
        image = np.concatenate([frame1, frame2], axis=1)  # axis=0时为垂直拼接；axis=1时为水平拼接
        
        # 视频保存
        videoWriter.write(image)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    else:
        break
 
videoWriter.release()
cam1.release()
cam2.release()

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