/// <summary>
/// 实时设置视频发送帧率上限
/// </summary>
/// <param name="frame_rate">帧率类型 见NIMVChatVideoFrameRate定义</param>
/// <param name="json_extension">json_extension 无效备用</param>
/// <param name="cb">cb 结果回调</param>
/// <returns>无返回值</returns>
public static void SetFrameRate(NIMVChatVideoFrameRate frame_rate, string json_extension, NIMVChatOptHandler cb)
{
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(cb);
VChatNativeMethods.nim_vchat_set_frame_rate(frame_rate, json_extension, VChatNormalOptCb, ptr);
}
internal static extern void nim_vchat_set_frame_rate(NIMVChatVideoFrameRate frame_rate,
[MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(NimUtility.Utf8StringMarshaler))] string json_extension,
NimVchatOptCbFunc cb,
IntPtr user_data);