setStreamDelayTime method
设置某路流相对于主时钟的延时时间 默认是0, 目前只支持外挂字幕
Implementation
Future<void> setStreamDelayTime(int trackIdx, int time) {
var map = {'index': trackIdx, 'time': time};
return FlutterAliPlayerFactory.methodChannel
.invokeMethod("setStreamDelayTime", wrapWithPlayerId(arg: map));
}