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MCP server for converting video to high-quality GIF using FFmpeg

Project description

Video to GIF Converter MCP

基于 MCP (Model Context Protocol) 的视频转 GIF 服务器,使用 FFmpeg 两遍调色板优化法生成高质量 GIF。

功能特性

  • 两遍调色板优化: palettegen/paletteuse 两遍法,生成高质量 GIF
  • 帧率控制: 自定义 GIF 帧率
  • 尺寸调整: 支持宽度/高度设置,保持或不保持宽高比
  • 时间裁剪: 指定起始时间
  • 区域裁剪: 指定裁剪区域 (x, y, w, h)
  • 调色算法: 支持 floyd_steinberg、bayer、sierra2_4a 等
  • 颜色数控制: 2-256 色调色板
  • 循环设置: 无限循环或指定次数

安装

通过 uvx 安装(推荐):

uvx mcpcn-video-to-gif

或通过 pip 安装:

pip install mcpcn-video-to-gif

使用方法

启动 MCP 服务器:

mcpcn-video-to-gif

系统要求

  • Python >= 3.12
  • FFmpeg(需要系统安装)

环境变量

  • FFMPEG_BINARY: 指定 FFmpeg 可执行文件路径
  • FFPROBE_BINARY: 指定 FFprobe 可执行文件路径

工具说明

convert_video_to_gif

将视频片段高质量导出为 GIF。

参数:

参数 类型 必填 默认值 说明
video_path string - 输入视频路径
output_gif_path string - 输出 GIF 路径(需以 .gif 结尾)
fps int 8 GIF 帧率,建议 8~20
width int None 目标宽度
height int None 目标高度
keep_aspect bool True 是否保持纵横比
start_time string/float None 起始时间(秒或 'HH:MM:SS')
dither string "floyd_steinberg" 调色算法
max_colors int 256 调色板颜色数 (2-256)
loop int 0 循环次数(0=无限循环)
crop dict None 裁剪参数 {"x":0,"y":0,"w":320,"h":240}
scale_flags string "lanczos" 缩放插值算法
bayer_scale int 3 bayer 调色的缩放因子 (0-5)
palette_stats_mode string "diff" 调色板统计模式
use_reserve_transparent bool False 是否保留透明色槽
alpha_threshold int 128 透明度阈值 (0-255)

支持的调色算法 (dither):

算法 说明
none 不使用抖动
bayer Bayer 有序抖动
floyd_steinberg Floyd-Steinberg 误差扩散 (默认)
sierra2_4a Sierra-2-4A 抖动
burkes Burkes 抖动

调色板统计模式 (palette_stats_mode):

模式 说明
single 单帧统计
diff 差异帧统计 (默认,适合动画)
full 全帧统计

使用示例

# 基本转换
convert_video_to_gif(
    video_path="/path/to/video.mp4",
    output_gif_path="/path/to/output.gif"
)

# 高质量设置
convert_video_to_gif(
    video_path="/path/to/video.mp4",
    output_gif_path="/path/to/output.gif",
    fps=15,
    width=480,
    max_colors=256,
    dither="floyd_steinberg"
)

# 裁剪区域
convert_video_to_gif(
    video_path="/path/to/video.mp4",
    output_gif_path="/path/to/output.gif",
    crop={"x": 100, "y": 50, "w": 320, "h": 240},
    start_time="00:00:05"
)

License

MIT License

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