python下载M3U8视频脚本
安装依赖
pip install m3u8 requests程序
import os import time import requests import m3u8 from urllib.parse import urljoin from Crypto.Cipher import AES from Crypto.Util.Padding import pad def download_m3u8_video(url, save_name='output.mp4'): headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)'} print("📡 正在解析 m3u8 播放列表...") try: playlist = m3u8.load(uri=url, headers=headers) except Exception as e: print(f"❌ 解析失败: {e}") return # 检查是否存在 AES 加密 key, iv = None, None if playlist.keys and playlist.keys[-1] is not None: key_info = playlist.keys[-1] key_uri = key_info.uri # 【核心修复】：如果密钥是相对路径，使用 urljoin 拼接完整的 URL if not key_uri.startswith('http'): key_uri = urljoin(url, key_uri) print(f"🔑 检测到加密，正在获取完整密钥链接: {key_uri}") # 获取密钥内容（建议加上与下载视频相同的 headers，防止防盗链拦截） key_resp = requests.get(key_uri, headers=headers, timeout=15) key_resp.raise_for_status() key = key_resp.content # 获取 IV 向量，如果没有则默认使用全零的 16 字节 iv = key_info.iv if iv: iv = bytes.fromhex(iv.replace('0x', '')) else: iv = b'\x00' * 16 total = len(playlist.segments) print(f"✅ 解析成功，共 {total} 个片段，开始下载并合并...") start_time = time.time() size = 0 with open(save_name, 'wb') as f: for i, seg in enumerate(playlist.segments, 1): try: # 同样确保 TS 分片也是完整 URL ts_url = seg.absolute_uri r = requests.get(ts_url, headers=headers, timeout=15) r.raise_for_status() data = r.content # 如果有密钥，进行 AES 解密 if key: cipher = AES.new(key=key, mode=AES.MODE_CBC, iv=iv) data = cipher.decrypt(pad(data, AES.block_size)) f.write(data) size += len(data) # 打印进度 elapsed = time.time() - start_time speed = size / elapsed / 1024 / 1024 print(f"\r⏳ 进度: {i}/{total} | 已下载: {size / 1024 / 1024:.2f}MB | 速度: {speed:.2f}MB/s", end='') except Exception as e: print(f"\n❌ 第 {i} 个片段下载失败: {e}") continue print(f"\n🎉 视频已成功保存为: {save_name}") if __name__ == '__main__': M3U8_URL = "xxx" download_m3u8_video(M3U8_URL, 'my_video.mp4')