private void btnUpdateVideoParam_Click(object sender, RoutedEventArgs e)
{
DoAction(() =>
{
if (_paramInited)
{
var param = new VideoOutParam();
param.Width = ((int)SystemParameters.PrimaryScreenWidth / 4) * 4;
param.Height = ((int)SystemParameters.PrimaryScreenHeight / 4) * 4;
param.Fps = 6;
param.BitRate = 800000;
param.Codec = VideoOutCodec.OpenH264;
param.HardEncode = true;
param.QosAutoChangeRatio = true;
if (ApiProvider.Default.UpdateVideoOutParam(param))
{
var text = $"video.width:{param.Width}{Environment.NewLine}";
text += $"video.height:{param.Height}{Environment.NewLine}";
text += $"video.fps:{param.Fps}{Environment.NewLine}";
text += $"video.bitRate:{param.BitRate}{Environment.NewLine}";
text += $"video.codec:{param.Codec}{Environment.NewLine}";
text += $"video.hardEncode:{param.HardEncode}{Environment.NewLine}";
text += $"video.autoRatio:{param.QosAutoChangeRatio}{Environment.NewLine}";
MessageBox.Show(text, "NewParam");
}
}
});
}
/// <summary>
/// 修改视频输出参数，必须在未推流状态下执行
/// </summary>
/// <param name="param">新的视频输出参数</param>
/// <returns>修改成功返回true，失败返回false</returns>
public bool UpdateVideoOutParam(VideoOutParam param)
{
ThrowIfServiceException();
return(Api.UpdateVideoOutParam(Service, ref param));
}
internal static extern bool UpdateVideoOutParam(IntPtr service, ref VideoOutParam param);
