# Package com.aliyun.svideosdk.mixrecorder

- Interface Summary
  Interface | Description
  --- | ---
  AliyunIMixComposer | 定义多个轨道，每个轨道都可以添加N股视频流，
  AliyunIMixRecorder | 视频合拍接口

- Class Summary
  Class | Description
  --- | ---
  AliyunMixBorderParam |
  AliyunMixBorderParam.Builder | `AliyunMixBorderParam` 构造器
  AliyunMixMediaInfoParam |
  AliyunMixMediaInfoParam.Builder | `AliyunMixMediaInfoParam` builder static inner class.
  AliyunMixOutputParam |
  AliyunMixOutputParam.Builder | `AliyunMixOutputParam` 内部构建对象
  AliyunMixRecorderDisplayParam |
  AliyunMixRecorderDisplayParam.Builder | `AlivcMixRecorderDisplayParam` builder static inner class.
  AliyunMixStream |
  AliyunMixStream.Builder | `AliyunMixStream` 构造器
  AliyunMixTrack |
  AliyunMixTrackLayoutParam | 轨道布局
  AliyunMixTrackLayoutParam.Builder | `AliyunMixTrackLayoutParam` 构建器

- Enum Summary
  Enum | Description
  --- | ---
  MixAudioAecType | AEC回声消除类型 v3.23.0 新增
  MixAudioSourceType | 合成视频的音频类型 v3.18.0 新增