图片编辑视频软件

import cv2
import numpy as np

# 图片文件夹路径和视频保存路径
image_folder = 'images'
video_name = 'output.avi'

# 获取图片列表并按名称排序
import os
images = [img for img in os.listdir(image_folder) if img.endswith(".jpg")]
images.sort()

# 读取第一张图片确定视频尺寸
frame = cv2.imread(os.path.join(image_folder, images[0]))
height, width, layers = frame.shape

# 定义视频编码器和创建VideoWriter对象
fourcc = cv2.VideoWriter_fourcc(*'DIVX')
video = cv2.VideoWriter(video_name, fourcc, 1, (width, height))

# 转场效果相关参数
transition_duration = 30 // 2  # 淡入淡出持续时间为30帧（假设帧率为2fps）

for i in range(len(images)):
    img = cv2.imread(os.path.join(image_folder, images[i]))
    for j in range(30):
        if i == 0 and j < transition_duration:
            alpha = j / transition_duration
            beta = 1 - alpha
            blended = cv2.addWeighted(img, alpha, np.zeros_like(img), beta, 0)
            video.write(blended)
        elif i > 0 and j < transition_duration:
            prev_img = cv2.imread(os.path.join(image_folder, images[i - 1]))
            alpha = (transition_duration - j) / transition_duration
            beta = 1 - alpha
            blended = cv2.addWeighted(img, beta, prev_img, alpha, 0)
            video.write(blended)
        else:
            video.write(img)

video.release()