mirror of
https://github.com/JefferyHcool/BiliNote.git
synced 2026-05-07 08:22:54 +08:00
c65de4654f
- 实现本地视频上传和处理功能 - 新增 LocalDownloader 类处理本地视频 - 更新前端界面支持本地视频选择 - 添加视频封面提取和保存功能 - 优化后端路由支持本地视频上传
61 lines
2.0 KiB
Python
61 lines
2.0 KiB
Python
import shutil
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from dotenv import load_dotenv
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import subprocess
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import os
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import uuid
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load_dotenv()
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api_path = os.getenv("API_BASE_URL", "http://localhost")
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BACKEND_PORT= os.getenv("BACKEND_PORT", 8000)
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BACKEND_BASE_URL = f"{api_path}:{BACKEND_PORT}"
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from typing import Optional
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def generate_screenshot(video_path: str, output_dir: str, timestamp: int, index: int) -> str:
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"""
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使用 ffmpeg 生成截图，返回生成图片路径
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"""
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os.makedirs(output_dir, exist_ok=True)
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ids=str(uuid.uuid4())
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output_path = os.path.join(output_dir, f"screenshot_{str(index)+ids}.jpg")
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command = [
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"ffmpeg",
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"-ss", str(timestamp),
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"-i", video_path,
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"-frames:v", "1",
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"-q:v", "2", # 图像质量
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output_path,
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"-y" # 覆盖
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]
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subprocess.run(command, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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return output_path
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def save_cover_to_static(local_cover_path: str, subfolder: Optional[str] = "cover") -> str:
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"""
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将封面图片保存到 static 目录下，并返回前端可访问的路径
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:param local_cover_path: 本地原封面路径（比如提取出来的jpg）
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:param subfolder: 子目录，默认是 cover，可以自定义
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:return: 前端访问路径，例如 /static/cover/xxx.jpg
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"""
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# 项目根目录
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project_root = os.getcwd()
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# static目录
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static_dir = os.path.join(project_root, "static")
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# 确定目标子目录
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target_dir = os.path.join(static_dir, subfolder or "cover")
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os.makedirs(target_dir, exist_ok=True)
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# 拷贝文件
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file_name = os.path.basename(local_cover_path)
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target_path = os.path.join(target_dir, file_name)
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shutil.copy2(local_cover_path, target_path) # 保留原时间戳、权限
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image_relative_path = f"/static/{subfolder}/{file_name}".replace("\\", "/")
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url_path = f"{BACKEND_BASE_URL.rstrip('/')}/{image_relative_path.lstrip('/')}"
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# 返回前端可访问的路径
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return url_path
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