xiaoxia e68801eb59
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fix(ingest): 转码滤镜改按长边 1920 封顶(修复超宽屏误降级)+ 合并 ffprobe
Code Review 阻塞问题修复 + 建议采纳:

1. 缩放规则与校验规则对齐(真 bug):
   旧滤镜仅按短边 1080 触发缩放(横屏看 ih、竖屏看 iw),对超宽屏
   (如 4000x1000)短边不超 1080 完全不缩放,产物长边 4000 超过
   validate_transcode_output 的 1920 上限,转码被判定失败而降级用
   原始 HEVC——浏览器仍无法播放。改为统一滤镜:
     scale=w=if(gte(iw\,ih)\,min(1920\,iw)\,-2):
           h=if(gt(ih\,iw)\,min(1920\,ih)\,-2),format=yuv420p
   横屏限宽、竖屏限高、短边 -2 自适应,min() 保证小视频不放大;
   build_transcode_vf 不再需要 is_portrait 参数(方向无关)。
   ffmpeg 实测:1920x1080→1920x1080、4K竖屏→1080x1920、
   4000x1000→1920x480、1080x2400→864x1920、640x360 不放大,均无 side data。

2. 合并 ffprobe(性能建议):新增 probe_video_info(path) 一次
   -show_streams -of json 同时解析 width/height 与 Display Matrix
   rotation(用全量 JSON 输出,规避 show_entries 嵌套 section 名在
   ffmpeg 4.x/7.x 不一致的问题);主流程两次探测合并为一次。
   probe_rotation/probe_dimensions 保留供测试与 validate 复用。

3. 临时文件清理:转码 try 块 finally 中 _tc_tmp.unlink() 在 #1449
   即已存在(develop 基线代码),本轮 review 该条为窗口外误判,
   已在 PR 评论说明。

测试:
- TestBuildTranscodeVF 重写为统一滤镜断言(逗号转义、无 transpose、
  横竖双分支 min(1920)、yuv420p 后缀)。
- 新增 TestProbeVideoInfo(真实 ffprobe 320x240 无 rotation;
  不存在文件返回三元 None)。
- 端到端新增 test_ultra_wide_long_edge_capped(4000x1000→1920x480
  且 validate 通过);_transcode_like_production 改用 probe_video_info
  + 无参 build_transcode_vf,与生产完全一致。
- 任务级竖屏用例滤镜特征断言更新为 min(1920)。
2026-08-30 21:09:43 +08:00
2026-06-27 19:02:31 +08:00
2026-07-13 17:45:37 +08:00

小虾 SaaS - 自动化视频剪辑平台

Python 3.12+ FastAPI PostgreSQL

自动化视频剪辑 SaaS 平台,支持素材上传、AI 分类、智能剪辑计划生成、自动化视频合成与成片管理。


核心功能

🎬 视频剪辑主链路

  • 素材上传(直传 OSS + 分片上传大文件,最大 2GB)
  • AI 智能分类与质量评分
  • 4 种剪辑模式:one_take / pip(画中画)/ voice_over(口播+B-roll/ voice_pip
  • 剪辑计划模板 + 智能生成
  • 自动化视频合成任务(Celery 异步)
  • 成片下载与审核管理
  • 资产诊断(素材就绪度评估、缺口分析)

🔐 认证系统

  • JWT Bearer Token 认证
  • 邮箱注册 + 邮箱验证
  • 密码重置(邮箱找回)
  • bcrypt 密码加密

📋 项目管理

  • 项目 CRUD + 共享
  • 任务管理(创建/更新/状态流转/进度追踪)
  • 里程碑管理
  • 任务问题追踪

📊 素材库管理

  • 素材库创建与管理
  • 素材上传、审核状态流转(pending_review → approved/rejected
  • 素材诊断(就绪度评分、缺口分析、智能视图)

🚀 快速开始

方式 1: Docker Compose(推荐)

# 1. 克隆仓库
git clone https://git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas.git
cd xiaoxia-saas

# 2. 配置环境变量
cp .env.example .env
# 编辑 .env 填写数据库、Redis、OSS 等配置

# 3. 启动所有服务
docker-compose up -d

# 4. 访问 API 文档
open http://localhost:8000/docs

方式 2: 本地开发

# 1. 克隆仓库
git clone https://git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas.git
cd xiaoxia-saas

# 2. 创建虚拟环境
python -m venv venv
source venv/bin/activate  # Windows: venv\Scripts\activate

# 3. 安装依赖
pip install -r requirements.txt

# 4. 配置环境变量
cp .env.example .env

# 5. 启动 API 服务
uvicorn apps.api.main:app --reload

# 6. 访问 API 文档
open http://localhost:8000/docs

📚 API 文档

交互式文档

核心 API 路径

认证 (/api/v1/auth)

方法 路径 说明
POST /register 用户注册
POST /login 用户登录
GET /me 获取当前用户信息
POST /password/forgot 忘记密码
POST /password/reset 重置密码

视频剪辑主链路

上传素材 → POST /api/v1/upload(直传)或 /api/v1/upload/chunk/init(分片)
   ↓
创建素材 → POST /api/v1/assets
   ↓
AI 分类 → POST /api/v1/classification-jobs
   ↓
生成剪辑计划 → POST /api/v1/projects/{id}/edit-plans/auto-generate
   ↓
创建生成任务 → POST /api/v1/generation/tasks/
   ↓
查询结果 → GET /api/v1/generation/tasks/{task_id}/results/
   ↓
获取成片 → GET /api/v1/generated-videos/{video_id}/download-url

项目管理 (/api/v1/project-management)

方法 路径 说明
GET/POST /tasks 任务列表/创建
PATCH /tasks/{id} 更新任务信息
PATCH /tasks/{id}/status 更新任务状态
PATCH /tasks/{id}/progress 更新任务进度
GET/POST /milestones 里程碑列表/创建
GET/POST /issues 问题列表/创建
PATCH /issues/{id}/resolve 解决问题

素材与上传

方法 路径 说明
POST /api/v1/upload 直传素材(multipart/form-data
POST /api/v1/upload/direct/prepare 准备 OSS 直传签名
POST /api/v1/upload/direct/complete 确认直传完成
POST /api/v1/upload/chunk/init 初始化分片上传
POST /api/v1/upload/chunk/{id}/{index} 上传分片
POST /api/v1/upload/chunk/{id}/complete 完成分片上传
GET /api/v1/assets 素材列表
PATCH /api/v1/assets/{id}/review 更新素材审核状态
GET /api/v1/projects/{id}/asset-diagnosis 资产诊断

成片管理 (/api/v1/generated-videos)

方法 路径 说明
GET / 成片列表
GET /{video_id} 成片详情
GET /{video_id}/download-url 下载链接
PATCH /{video_id}/review 审核状态

完整 API 列表请查看 API 主线清单


🏗️ 架构

小虾 SaaS
├── packages/              # 核心业务逻辑(Clean Architecture
│   ├── domain/           # 领域模型(dataclass
│   ├── application/      # 用例(Use Cases
│   ├── ports/            # 接口定义(抽象端口)
│   └── adapters/         # 适配器实现(SQLAlchemy、Redis、SMTP 等)
├── apps/                 # 应用层
│   ├── api/             # FastAPI 应用 + 路由 + Pydantic schemas
│   ├── web/             # React + Vite 前端
│   └── worker/          # Celery 异步任务(视频处理、分类等)
├── migrations/           # Alembic 数据库迁移
├── tests/               # 测试
│   ├── unit/           # 单元测试
│   ├── integration/    # 集成测试
│   └── e2e/            # 端到端测试
└── docs/                # 文档

设计模式:

  • Clean Architecture(依赖方向:外层 → 内层)
  • 依赖注入(FastAPI Depends
  • Repository 模式(通过 ports 抽象)
  • Domain-Driven Design

🛠️ 技术栈

后端:

  • Python 3.12 + FastAPI 0.115.0
  • PostgreSQL 16(生产)
  • Redis 7(缓存 + Celery Broker
  • Celery(异步任务:视频处理、素材导入、分类)
  • 阿里云 OSS(文件存储)

前端:

  • React 18 + TypeScript
  • Vite(构建工具)
  • Ant DesignUI 组件)

部署:

  • Docker + Docker Compose
  • Gitea + Gitea ActionsCI/CD
  • Nginx(反向代理)

🧪 测试

# 运行所有测试
pytest tests/ -v

# 运行单元测试
pytest tests/unit -v

# 运行集成测试
pytest tests/integration -v

# 生成覆盖率报告
pytest --cov=packages --cov-report=html

📊 当前状态

模块 状态
视频剪辑主链路(Phase 7 已完成
分片上传(最大 2GB 已完成
4 种剪辑模式 已完成
项目管理 + 任务追踪 已完成
资产诊断 已完成
认证系统(JWT 已完成
CI/CD 流水线 运行中
前端界面(Vite 已完成

📄 更多文档


🤝 贡献

欢迎贡献!请查看 贡献指南

仓库地址: https://git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas


License: MIT

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Description
小虾 SaaS 自动化剪辑系统
Readme MIT 53 MiB
v2.1.0-test.9 Latest
2026-07-09 08:32:46 +08:00
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