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Snaplet\n\nSnaplet 是一个基于 Python 的视频关键帧提取与重组工具，支持从视频中提取关键帧，生成多宫格拼接图片，以及根据关键帧生成固定时长的视频或 GIF。适合快速预览视频内容、制作动图或短视频剪辑。\n\n---\n\n## 主要功能\n\n- **关键帧提取**：基于帧间灰度差异自动提取视频关键帧，支持 FFmpeg I帧提取和分桶采样算法  \n- **多宫格拼接**：将关键帧等间距抽取后拼接成多宫格图片，方便快速浏览  \n- **视频/GIF 生成**：根据关键帧生成固定时长的视频或 GIF，支持自动控制文件大小和分辨率  \n- **命令行工具**：基于 Typer 实现，简单易用，支持多种参数配置  \n\n---\n\n## 安装\n\n```bash\npip install snaplet\n```\n\n或者从源码安装：\n\n```bash\ngit clone https://github.com/yourusername/snaplet.git\ncd snaplet\npip install .\n```\n\n---\n\n## 使用示例\n\n### 1. 提取关键帧并生成多宫格图片\n\n```bash\nsnaplet extract path/to/video.mp4 --max-frames 25 -o output_grid.jpg --verbose\n```\n\n### 2. 根据关键帧生成固定时长 GIF\n\n```bash\nsnaplet clip path/to/video.mp4 --duration 5 --fps 12 --gif --loop --target-size 3 -o output.gif --verbose\n```\n\n### 3. 根据关键帧生成固定时长视频\n\n```bash\nsnaplet clip path/to/video.mp4 --duration 10 --fps 15 --width 640 --height 360 -o output.mp4 --verbose\n```\n\n---\n\n## 命令行参数说明\n\n### extract\n\n| 参数           | 说明                         | 默认值  |\n|----------------|------------------------------|---------|\n| video_path     | 输入视频文件路径             | 必填    |\n| --max-frames, -m | 最大提取关键帧数            | 25      |\n| --ffmpeg --no-ffmpeg | 是否使用FFmpeg模式提取关键帧 | True  |\n| --threshold, -t | 关键帧差异阈值，仅非FFmpeg模式生效 | 80.0    |\n| -o, --output   | 输出拼接图片路径             | 自动生成 |\n| --padding      | 拼接图片间距（像素）         | 1       |\n| --bg-color     | 拼接图片背景色，支持颜色名或十六进制 | black   |\n| --verbose, -v  | 是否打印详细日志             | False   |\n\n### clip\n\n| 参数                | 说明                         | 默认值   |\n|-------------------|------------------------------|-------|\n| video_path        | 输入视频文件路径             | 必填    |\n| --duration, -d    | 输出视频/GIF时长（秒）       | 3.0   |\n| --fps, -f         | 输出视频/GIF帧率             | 10    |\n| --width, -w       | 输出视频宽度                 | 自动计算  |\n| --height, -h      | 输出视频高度                 | 自动计算  |\n| --ffmpeg --no-ffmpeg | 是否使用FFmpeg模式提取关键帧 | True  |\n| --threshold, -t   | 关键帧差异阈值               | 80.0  |\n| --gif --no-gif    | 是否输出GIF格式              | False |\n| --loop            | GIF是否循环播放              | True  |\n| --target-size, -s | 目标文件大小（MB）           | 5.0   |\n| -o, --output      | 输出视频/GIF路径             | 自动生成  |\n| --verbose, -v     | 是否打印详细日志             | False |\n\n---\n\n## 依赖\n\n- Python 3.7+\n- [OpenCV](https://opencv.org/) (`cv2`)\n- [Pillow](https://python-pillow.org/)\n- [moviepy](https://zulko.github.io/moviepy/)\n- [typer](https://typer.tiangolo.com/)\n\n---\n\n## 贡献\n\n欢迎提交 issue 和 pull request，帮助改进 Snaplet。\n\n---\n\n## 许可证\n\nMIT License © 2025 Allen Shaw\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flonsty%2Fsnaplet","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flonsty%2Fsnaplet","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flonsty%2Fsnaplet/lists"}