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FFmpeg_plus_plus

想在寝室用MP4看喜欢的电影,却一直没有足够方便的工具,这一直是我的遗憾。现在,我为自己(用AI)写了这个工具,它能方便压缩视频画质,让资源顺利在MP4上播放,也算了却这桩心事。
Open repo on GitHubgithub.com/lvbaoshigao/FFmpeg_plus_plus
Dart · ★ 7 · 0 forks · MIT · paperwork by the Cap'mmostly ai (inferred)light human (inferred)works-on-my-machine (inferred)other
listed 9 hours ago by lvbaoshigao · last checked 1 hour ago
The owner didn't write this. This repo never submitted itself. The Cap'm found it on a truffle trawl and wrote its paperwork from what GitHub already shows. Picked by hand by the Cap'm on 2026-09-11: FFmpeg++, a cross-platform desktop video, image and audio tool with a node editor, whose README lists "100% AI-generated via Claude". 7 stars; MIT license. The owner did not submit this. Votes count; awards don't until the owner claims it.

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GitHub says
想在寝室用MP4看喜欢的电影,却一直没有足够方便的工具,这一直是我的遗憾。现在,我为自己(用AI)写了这个工具,它能方便压缩视频画质,让资源顺利在MP4上播放,也算了却这桩心事。
created
2026-06-06 · pushed 5 days ago · 143 commits · 1 contributor
release
5.3.6 · 2026-09-06
languages
Dart 50%C++ 34%C 12%Inno Setup 1%Shell 1%CMake 1%
paperwork
licensereadme 42% health
dependencies
no dependency graph (no manifest, or disabled) · OSV.dev, checked 9 hours ago

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The Cap'm wrote this paperwork, not the owner. This repo never submitted itself to SlopScore. The Cap'm picked it by hand: FFmpeg++, a cross-platform desktop video, image and audio tool with a node editor, whose README lists "100% AI-generated via Claude". It carries the MIT license. The disclosures above are his best guess from what GitHub shows.

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README — the repo's own words, folded up so the grading fits on one screen

🎬 FFmpeg++

专业视频 / 图片 / 音频处理桌面应用 — 100% AI 生成代码

Platform Flutter C++ FFmpeg License

中文 | English

🤖 本项目 100% 由 AI 生成

📸 软件预览

🎬 主界面 📋 使用演示
FFmpeg++ 主界面 FFmpeg++ 使用演示

中文

📖 概述

FFmpeg++ 是一款基于 Flutter(Material Design 3 前端)+ C++17(共享库后端,通过 FFI 加载)的跨平台桌面视频/图片/音频处理工具。核心功能为蓝图式节点编辑器,支持构建复杂的多步骤处理流程。

支持 WindowsLinux(x64 / ARM64)、macOS(Universal)三大平台。

🏗 架构

┌──────────────────────────────────┐
│   Flutter 桌面 GUI (Dart)        │  ← Material Design 3
│   Dart FFI ↔ libffmpegpp         │
├──────────────────────────────────┤
│   C++17 后端 (dll/so/dylib)      │  ← 共享库模式(FFI 轮询)
│   subprocess → ffmpeg / ffprobe  │
├──────────────────────────────────┤
│   FFmpeg / FFprobe               │  ← 外部依赖(用户自行安装)
└──────────────────────────────────┘

✨ 功能

模块 说明
🎬 项目 多视频导入、ffprobe 自动探测、缩略图预览
📋 处理队列 顺序批量处理、实时进度解析
🧩 节点编辑器 蓝图式 DAG 画布,25+ 节点类型,构建复杂多步骤处理流程
🎞 视频转码 17+ 编码器(H.264/H.265/AV1/VP9/SVT-AV1),GPU 加速(NVIDIA/AMD/Intel)
🎵 音频处理 转码 / 变速 / 音量调整 / 动态压缩 / 元信息编辑 / 提取音频(带预览播放)
📝 字幕 烧录外挂 SRT/ASS/SSA,拾色器,系统字体选择器(含预览)
📷 帧提取 单帧 / 范围分帧 / 全部分帧
✂️ 片段截取 时间范围截取,级联时长约束
🖼 图片处理 格式转换 / 裁剪 / 旋转 / 缩放 / 亮度 / 噪点 / 锐化 / 降噪 / 通道提取
🎬 视频裁剪 交互式选区工具,支持多选区、拖拽调整、保留/移除模式
🔗 合并媒体 多文件顺序合并,图片序列合成视频
🧠 命令 手动输入 ffmpeg 命令 + 快捷模板 + 参数参考
🤖 AI 助手 内置 AI 聊天面板,自然语言描述需求自动配置节点
⚙️ 设置 暗/亮主题、字体、主题色、背景图片、编辑模式切换

🧩 节点编辑器

节点编辑器是 FFmpeg++ 的核心。详见 NODE_EDITOR.md

  • 无限画布,支持平移缩放
  • 拖拽节点,自由连线
  • 右键添加节点 / 删除连线
  • 25+ 节点类型覆盖视频、音频、图片处理
  • 自动验证(环路检测、类型冲突、时长约束)
  • 智能合并:音视频处理 + 字幕 = 单条 ffmpeg 命令
  • 逻辑块:循环处理支持
  • 调试覆盖层显示执行计划
  • 多源文件节点 = 多个独立任务

📦 安装

平台 下载
Windows ReleasesFFmpeg++_v*_setup.exe
Linux x64 Releasesffmpegpp_*_amd64.deb
Linux ARM64 Releasesffmpegpp_*_arm64.deb
macOS ReleasesFFmpeg++_v*_macOS.dmg

确保已安装 FFmpeg 并加入 PATH 环境变量。

🔧 开发

环境要求

  • Flutter SDK 3.44+
  • CMake 3.20+
  • FFmpeg 在 PATH 中
  • Windows: Visual Studio 2022/2025,含 C++ 桌面开发工作负载;Inno Setup 6+
  • Linux: cmake g++ libgtk-3-dev pkg-config ninja-build
  • macOS: Xcode Command Line Tools

开发模式

# 1. 编译 C++ 后端
cd server_cpp
mkdir -p build && cd build
cmake .. -DCMAKE_BUILD_TYPE=Release
make -j$(nproc)    # Linux/macOS
# Windows: cmake --build . --config Release

# 2. 启动 Flutter GUI
cd ../../ffmpegpp_gui
flutter pub get
flutter run -d linux   # 或 -d windows / -d macos

🤖 Android 移动端

移动端适配只影响 Android 平台,桌面端行为不变:

  • 底部液态玻璃导航栏:PC 左侧边栏在移动端移至底部,选中项为可拖动 胶囊遮罩(水平拖动 → 松手吸附最近项并跳转,逻辑与 PC 侧边栏一致)。
  • 命令 / 日志移入设置:底部栏只保留 项目 / 处理队列 / 配置库 / 设置, 命令与日志在 设置 → 工具 中进入。
  • Monet 动态取色:Android 8.1+ 跟随系统壁纸生成 Material You 配色 (设置 → 外观 → 动态取色 可关闭),参考 Android 16 莫奈风格。
  • 内置 FFmpeg:ffmpeg / ffprobe 以 arm64 静态可执行文件打包进 APK (jniLibs),C++ 后端通过子进程调用,无需用户安装任何东西。
  • 触屏适配:项目页禁用桌面拖放、节点编辑器顶部返回栏、状态栏/手势 区安全边距等。

构建 APK(需 Android SDK + NDK r26d + JDK 17+):

# 一键构建全部(桌面端 + Android APK)
build/build_all.sh all

# 只构建 Android APK(自动修补 file_picker compileSdk、自动重试防 OOM)
build/build_all.sh android

# 分步:先交叉编译内置 ffmpeg/ffprobe + C++ 后端(产物在缓存根 dist/)
build/android/build_ffmpeg.sh
# 再构建 APK
build/android/build_apk.sh

# 产物: ffmpegpp_gui/build/app/outputs/flutter-apk/app-release.apk (arm64-v8a)

构建脚本集中在 build/(详见 build/README.md):代码在仓库、缓存/工具链在 sdb2,路径均可通过 FFMPEGPP_CACHE/FFMPEGPP_ROOT 等环境变量覆盖。

说明:桌面端更新机制/安装器不适用于移动端,设置页已做对应隐藏与提示; GPU 硬编码器(NVIDIA/AMD/Intel)在 Android 上不可用,自动回退 CPU 编码。

🛠 技术栈

层级 技术
UI 框架 Flutter 3.44, Material Design 3
状态管理 Provider (ChangeNotifier)
后端 C++17, 编译为共享库 (dll/so/dylib), 通过 Dart FFI 加载
视频引擎 FFmpeg 8.0 / ffprobe
音频预览 just_audio (GStreamer on Linux)
安装包 Inno Setup (Windows) / dpkg-deb (Linux) / hdiutil (macOS)
CI/CD GitHub Actions — Windows / Linux x64 / Linux ARM64 / macOS
代码生成 100% AI 生成(Claude)

⭐ Star 历史

Star History Chart

📄 许可证

MIT License — 详见 LICENSE


English

📸 Software Preview

🎬 Main 📋 Demo
FFmpeg++ Main FFmpeg++ Demo

📖 Overview

FFmpeg++ is a cross-platform desktop tool for video, image, and audio processing. Built with Flutter (Material Design 3 frontend) and C++17 (shared library backend via FFI), featuring a blueprint-style node editor with 25+ node types for complex processing workflows.

Supports Windows, Linux (x64 / ARM64), and macOS (Universal).

🏗 Architecture

┌──────────────────────────────────┐
│   Flutter Desktop GUI (Dart)     │  ← Material Design 3
│   Dart FFI ↔ libffmpegpp         │
├──────────────────────────────────┤
│   C++17 Backend (dll/so/dylib)   │  ← Shared lib (FFI poll)
│   subprocess → ffmpeg / ffprobe  │
├──────────────────────────────────┤
│   FFmpeg / FFprobe               │  ← External dependency
└──────────────────────────────────┘

✨ Features

Module Description
🎬 Projects Multi-video import, auto ffprobe probing, thumbnail preview
📋 Queue Sequential batch processing, real-time progress parsing
🧩 Node Editor Blueprint-style DAG canvas, 25+ node types for complex workflows
🎞 Transcode 17+ codecs (H.264/H.265/AV1/VP9/SVT-AV1), GPU acceleration (NVIDIA/AMD/Intel)
🎵 Audio Transcode / speed / volume / dynamic compressor / metadata / extract audio (with playback preview)
📝 Subtitles Burn-in external SRT/ASS/SSA, color picker, system font selector with preview
📷 Frames Single frame / range / full video decomposition
✂️ Clipping Time-range extraction with cascading duration constraints
🖼 Image Format convert / crop / rotate / scale / brightness / noise / sharpen / denoise / channel extract
🎬 Video Crop Interactive selection tool with multi-region, drag-resize, keep/remove modes
🔗 Concat Multi-file sequential merge, image sequence to video
🧠 Command Manual ffmpeg command input with templates & parameter reference
🤖 AI Assistant Built-in AI chat panel, describe what you want in natural language
⚙️ Settings Dark/Light theme, fonts, accent colors, background image, editor mode toggle

🧩 Node Editor

The node editor is the core of FFmpeg++. See NODE_EDITOR.md for full documentation.

  • Infinite canvas with pan & zoom
  • Drag-and-drop nodes, freeform connections
  • Right-click to add nodes, right-click connections to delete
  • 25+ node types covering video, audio, and image processing
  • Automatic validation (cycle detection, type conflicts, duration constraints)
  • Smart merge: AV processing + subtitle burn = single ffmpeg command
  • Logic blocks: loop processing support
  • Debug overlay showing execution plan
  • Multiple source nodes = multiple independent tasks

📦 Installation

Platform Download
Windows ReleasesFFmpeg++_v*_setup.exe
Linux x64 Releasesffmpegpp_*_amd64.deb
Linux ARM64 Releasesffmpegpp_*_arm64.deb
macOS ReleasesFFmpeg++_v*_macOS.dmg

Make sure FFmpeg is installed and in your PATH.

🔧 Development

Prerequisites

  • Flutter SDK 3.44+
  • CMake 3.20+
  • FFmpeg in PATH
  • Windows: Visual Studio 2022/2025 with C++ Desktop workload; Inno Setup 6+
  • Linux: cmake g++ libgtk-3-dev pkg-config ninja-build
  • macOS: Xcode Command Line Tools

Quick Start

# 1. Build C++ backend
cd server_cpp
mkdir -p build && cd build
cmake .. -DCMAKE_BUILD_TYPE=Release
make -j$(nproc)    # Linux/macOS
# Windows: cmake --build . --config Release

# 2. Run Flutter GUI
cd ../../ffmpegpp_gui
flutter pub get
flutter run -d linux   # or -d windows / -d macos

🛠 Tech Stack

Layer Technology
UI Framework Flutter 3.44, Material Design 3
State Management Provider (ChangeNotifier)
Backend C++17, compiled to shared lib (dll/so/dylib), loaded via Dart FFI
Video Engine FFmpeg 8.0 / ffprobe
Audio Preview just_audio (GStreamer on Linux)
Installer Inno Setup (Windows) / dpkg-deb (Linux) / hdiutil (macOS)
CI/CD GitHub Actions — Windows / Linux x64 / Linux ARM64 / macOS
Code Generation 100% AI-generated via Claude

⭐ Star History

Star History Chart
🤖 100% AI-Generated — Built with Flutter + C++ + FFmpeg + Claude

Read the rest on GitHub

Scan report · 2026-09-11
  • Prohibited terms or links — profanity in body/README
  • Repository eligibility
  • slopscore.md paperwork
  • Content policy
  • Risk review

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