增加视频加水印方法

liusuyi

2023-07-01 61d0cb34e8d5feba1961fef81f62eab37a256152

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import { Subscriber } from './Subscriber';
import { TeardownLogic } from './types';
 
export interface Operator<T, R> {
  call(subscriber: Subscriber<R>, source: any): TeardownLogic;
}