onRateUpdate method

FutureOr<void> onRateUpdate(dynamic streamId, dynamic streamInfo, dynamic videoIndex, dynamic fps, dynamic bitrateKbps,)

@detail callback @author wangzhanqiang @brief 当自定义编码流的帧率或码率发生变化时，触发该回调 @param streamId 发生变化的编码流的 ID @param streamInfo 发生变化的编码流的属性 @param videoIndex 对应编码流的下标 @param fps 变化后的帧率，单位：fps @param bitrateKbps 变化后的码率，单位：kbps

Implementation

FutureOr<void> onRateUpdate(dynamic streamId, dynamic streamInfo,
    dynamic videoIndex, dynamic fps, dynamic bitrateKbps) async {
  if ($instance == null || $instance is! IExternalVideoEncoderEventHandler) {
    return;
  }
  return ($instance as IExternalVideoEncoderEventHandler).onRateUpdate?.call(
      streamId.toString(),
      int.tryParse(videoIndex.toString()) ?? 0,
      int.tryParse(fps.toString()) ?? 0,
      int.tryParse(bitrateKbps.toString()) ?? 0);
}