下面的python3代码不能处理单个视频请帮忙修正这即可以处理单个视频也可以批量处理文件夹import osimport reimport subprocessimport openpyxlimport mathfrom openpyxlstyles import Font PatternFill Alignment# 视频格式supported_formats = mp4 avi

修正后的代码如下，可以处理单个视频和批量处理文件夹：

import os
import re
import subprocess
import openpyxl
import math
from openpyxl.styles import Font, PatternFill, Alignment

# 视频格式
supported_formats = [
    '.mp4',
    '.avi',
    '.mkv',
    '.wmv',
    '.mov',
    '.flv',
    '.m2ts',
    '.ts',
    '.rm',
    '.rmvb',
    '.vob',
    '.3gp',
    '.webm',
    '.hdmov',
    '.mp4v',
    '.mpv4',
    '.divx',
    '.xvid',
    '.f4v',
    '.mpeg',
    '.asf',
    '.asx',
    '.m2t',
]

# 视频文件夹或文件路径
video_path = input('请输入文件或文件夹路径：')

# 输出Excel路径
excel_folder = '.'

# 输出Excel文件名
excel_file = 'video_info.xlsx'

# 正则表达式匹配码率数据中的空格
pattern = re.compile(r'(\d+)\s+(\d+)')

# 创建Excel文件
wb = openpyxl.Workbook()
ws = wb.active
ws.title = 'Video Info'

# 锁定表头
ws.freeze_panes = 'A2'

# 设置表头样式
header_font = Font(bold=True, color='800080')  # 紫色
header_fill = PatternFill('solid', fgColor='C5E0B4')
header_alignment = Alignment(horizontal='center', vertical='center')
headers = [
    '文件名',
    '文件路径',
    '格式',
    '大小',
    '时长',
    '分辨率',
    '码率',
    '帧率',
    '音频码率',
    '音频采样率',
    '音频语言',
    '压缩比率',
]
for col, header in enumerate(headers, start=1):
    cell = ws.cell(row=1, column=col, value=header)
    cell.font = header_font
    cell.fill = header_fill
    cell.alignment = header_alignment

# 处理失败文件个数
failed_count = 0

# 判断路径是文件还是文件夹
if os.path.isfile(video_path):
    video_files = [video_path]
else:
    # 获取视频文件列表（包括子目录）
    video_files = []
    for root, dirs, files in os.walk(video_path):
        for file in files:
            for format in supported_formats:
                if file.endswith(format):
                    video_files.append(os.path.join(root, file))
                    break

# 遍历所有视频文件
success_count = 0
row = 2  # 从第二行开始写入数据
for video_file in video_files:
    try:
        # 获取文件名
        file_name = os.path.basename(video_file)

        # 获取文件大小并进行单位换算
        size = os.path.getsize(video_file)
        if size < 1024:
            size_str = f'{size} B'
        elif size < 1024 * 1024:
            size_str = f'{size / 1024:.2f} KiB'
        elif size < 1024 * 1024 * 1024:
            size_str = f'{size / 1024 / 1024:.2f} MiB'
        else:
            size_str = f'{size / 1024 / 1024 / 1024:.2f} GiB'

        # 使用mediainfo获取视频信息 / 音频信息
        video_result = subprocess.run(
            [
                'mediainfo',
                '--Inform=Video;%Format%|%Width%x%Height%|%BitRate/String%|%FrameRate%|%Duration/String3%',
                video_file,
            ],
            stdout=subprocess.PIPE,
        )
        video_output = video_result.stdout.decode().strip()
        audio_result = subprocess.run(
            [
                'mediainfo',
                '--Inform=Audio;%BitRate/String%|%SamplingRate/String%|%Language/String%',
                video_file,
            ],
            stdout=subprocess.PIPE,
        )
        audio_output = audio_result.stdout.decode().strip()

        # 解析输出结果
        video_info, *_ = video_output.split('|') # 使用占位符变量解决解包错误
        audio_info = audio_output.split('|')

        # 处理多音轨情况
        audio_bitrate = []
        audio_sampling_rate = []
        audio_lang = []
        for i in range(len(audio_info) // 3):
            audio_bitrate.append(audio_info[i * 3])
            audio_sampling_rate.append(audio_info[i * 3 + 1])
            audio_lang.append(audio_info[i * 3 + 2])

        # 时长取整
        duration = video_info[4].split('.')[0]
        h, m, s = duration.split(':')
        duration = f'{h}:{m}:{str(s).zfill(2)}'

        # 以分钟计算的时长
        duration_minutes = int(h) * 60 + int(m) + math.ceil(float(s)) / 60

        # 计算压缩比率
        ratio = round(duration_minutes / size * 1000000000, 2)

        # 使用正则表达式替换码率数据中第一个数字和第二个数字之间的空格
        bitrate = re.sub(pattern, r'\1\2', video_info[2])

        # 写入Excel文件
        ws.cell(row=row, column=1, value=file_name)
        ws.cell(row=row, column=2, value=os.path.dirname(video_file))  # 写入文件夹路径
        ws.cell(row=row, column=3, value=video_info[0])
        ws.cell(row=row, column=4, value=size_str)
        ws.cell(row=row, column=5, value=duration)
        ws.cell(row=row, column=6, value=video_info[1])
        ws.cell(row=row, column=7, value=bitrate)
        ws.cell(row=row, column=8, value=video_info[3])
        ws.cell(row=row, column=9, value=' / '.join(audio_bitrate))
        ws.cell(row=row, column=10, value=' / '.join(audio_sampling_rate))
        ws.cell(row=row, column=11, value=' / '.join(audio_lang))
        ws.cell(row=row, column=12, value=ratio)
        # 打印进度
        print(f'已处理 {success_count+1}/{len(video_files)} 共计', end='\r')
        success_count += 1
        row += 1

    except Exception as e:
        # 处理失败，跳过并打印文件名和具体错误信息
        failed_count += 1
        print(f'处理文件 {file_name} 时失败：{e}')
        # 将失败的文件写入到err.txt
        with open('err.txt', 'a') as f:
            f.write(f'{file_name}\n')
        continue

# 总计处理文件数
total_count = len(video_files)

# 调整L列左对齐
l_col = ws['L']
for cell in l_col:
    cell.alignment = Alignment(horizontal='left')  # 左对齐

# 固定列宽
for col in ws.columns:
    col_letter = col[0].column_letter
    if col_letter not in ['C', 'H']:  # 不固定格式、fps列的宽度
        ws.column_dimensions[col_letter].width = 11

# 保存Excel文件
if not os.path.exists(excel_folder):
    os.makedirs(excel_folder)
excel_file_path = os.path.join(excel_folder, excel_file)
wb.save(excel_file_path)

# 打印处理失败文件个数和总计处理文件数
print(
    f'已完成，处理成功 {success_count} 个文件，处理失败 {failed_count} 个文件，视频信息已保存到 {excel_file_path}'
)