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import os
video_extensions = {
'.mp4', '.m4a', '.m4v', '.f4v', '.f4a', '.m4b', '.m4r', '.f4b', '.mov',
'.3gp', '.3gp2', '.3g2', '.3gpp', '.3gpp2', '.ogg', '.oga', '.ogv', '.ogx',
'.wmv', '.wma', '.asf', '.webm', '.flv', '.avi', '.gifv', '.mkv', '.rm',
'.rmvb', '.vob', '.dvd', '.mpg', '.mpeg', '.mp2', '.mpe', '.mpv', '.mpg',
'.mpeg', '.m2v', '.svi', '.3gp', '.mxf', '.roq', '.nsv', '.flv', '.f4v',
'.f4p', '.f4a', '.f4b'
}
image_extensions = {
'.jpg', '.jpeg', '.jpe', '.jif', '.jfif', '.jfi', '.png', '.gif',
'.webp', '.tiff', '.tif', '.psd', '.raw', '.arw', '.cr2', '.nrw',
'.k25', '.bmp', '.dib', '.heif', '.heic', '.ind', '.indd', '.indt',
'.jp2', '.j2k', '.jpf', '.jpx', '.jpm', '.mj2', '.svg', '.svgz',
'.ai', '.eps', '.ico'
}
def is_video_file(filename):
return os.path.splitext(filename)[-1].lower() in video_extensions
def is_image_file(filename):
return os.path.splitext(filename)[-1].lower() in image_extensions
def is_video_or_image(filename):
file_extension = os.path.splitext(filename)[-1].lower()
# 检查扩展名是否在定义的视频或图片文件后缀集合中
return file_extension in video_extensions or file_extension in image_extensions
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