# ScreenVideoParameters (/zh-CN/api-reference/rtc/flutter/class-screenvideoparameters)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

<a id="class_screenvideoparameters__prototype"></a>

```dart
class ScreenVideoParameters {
  const ScreenVideoParameters(
      {this.dimensions, this.frameRate, this.bitrate, this.contentHint});

  @JsonKey(name: 'dimensions')
  final VideoDimensions? dimensions;
  @JsonKey(name: 'frameRate')
  final int? frameRate;
  @JsonKey(name: 'bitrate')
  final int? bitrate;
  @JsonKey(name: 'contentHint')
  final VideoContentHint? contentHint;
  factory ScreenVideoParameters.fromJson(Map<String, dynamic> json) =>
      _$ScreenVideoParametersFromJson(json);
  Map<String, dynamic> toJson() => _$ScreenVideoParametersToJson(this);
}
```

<a id="class_screenvideoparameters__parameters"></a>

## 属性 [#属性]

<ParameterList>
<a id="dimensions"></a>
<Parameter name="dimensions">

视频编码的分辨率。默认值为 1280 × 720。

</Parameter>
<a id="framerate"></a>
<Parameter name="frameRate">

视频编码帧率 (fps)。默认值为 15。

</Parameter>
<a id="bitrate"></a>
<Parameter name="bitrate">

视频编码码率 (Kbps)。

</Parameter>
<a id="contenthint"></a>
<Parameter name="contentHint">

屏幕共享视频的内容类型。

</Parameter>
</ParameterList>