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README
Apache-2.0

CcClip

简介

Vue 3 + FFmpeg 实现纯前端音视频编辑
如果有用请 🌟 Star 🌟 支持一下哟 🫣

特性

功能

  • 多轨道时间轴,支持帧缩放,时间缩放
  • 支持多种类型轨道的添加删除
  • 多功能轨道调节,支持音视频轨道内裁剪,支持轨道拖拽调整顺序、起止帧
  • 可伸缩轨道列表,灵活调整轨道列表高度
  • 可配置参数容器,轨道属性调节全部由配置文件生成
  • ffmpeg
    • 核心API封装管理
    • 调用队列封装,支持并发运行run
    • gif抽帧、视频抽帧、视频裁切、音视频分离、文件下载
    • 音频裁切、多音频合成、音频波形

预览

常见问题

1. 获取视频时长信息、总帧数信息:

$ ffmpeg -hide_banner -i video_1.mp4  -f null -

# 输出:
# frame=  710 fps=0.0 q=-0.0 Lsize=N/A time=00:00:23.75 bitrate=N/A speed= 168x
# video:327kB audio:2046kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
# frame 为当前视频文件总帧数
# time 为视频时长
# 注意一点,总帧数取决于视频fps,总帧数 = fps * 总时长

⚠️ 还有一点
之前考虑将 ffprobe 也接入进来,可以直接获取视频的媒体信息,但这么做的结果是前端资源体积过于大
所以 ffmpeg 将 ffprobe 抽离出去的原因也许就是为了保留一个最小可用集合
综上,如果确实有需要获取资源详细信息的场景,我的建议是放到后台或者是单独页面处理
在编辑页面只做结果的处理。

建议的方案:
服务器环境中安装完整的ffmpeg
将获取视频媒体信息的命令封装为接口
在文件上传后在服务器本地获取视频媒体信息,并保存
不论是用户上传,还是管理后台上传,都是在上传完成后获取文件信息。
只有文件信息获取完成后,资源才可以在编辑器中使用

2. 如何使用 ip 地址访问

受 COOP 的限制,使用 ip 地址访问时依然不被信任,所以我们增加了 dev-ssl 命令
执行 pnpm dev-ssl 即可通过 ip 地址访问
注意 ⚠️ 使用 dev-ssl 启动之后访问地址更换为 https 开头

3. 视频分割方案

视频分割我的想法是不操作原始数据
只是通过控制轨道中元素的 start、end 数据,将一个视频元素拆分为两个
整个链路中不对原始视频做分割,避免性能损耗
导出与播放可以通过 ffmpeg 命令的时间段参数从原始视频中取出数据

4. 视频导出方案

较复杂的方案是将轨道数据转换为ffmpeg命令
根据命令性能考虑是前端执行还是放到后台接口中执行
简单点的方案是将轨道参数编译为 FFCreator 参数
可以直接利用现有的视频合成服务

5. 滤镜、转场方案

滤镜转场特效抽象看就是 Shader
通过参数控制 shader 生效的时间点
参考:https://gl-transitions.com/

参考

版权相关

开源前已对项目进行版权过滤,将个人使用范围的素材替换为公共免费的素材。

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简介

Vue3实现的视频剪辑页面效果。 转自:https://github.com/Cc-Edit/CcClip 展开 收起
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