/// <summary>
/// Gets the play position in nanoseconds.
/// </summary>
/// <returns>The current position in nanoseconds.</returns>
/// <remarks>The player must be in the <see cref="PlayerState.Ready"/>, <see cref="PlayerState.Playing"/>,
/// or <see cref="PlayerState.Paused"/> state.</remarks>
/// <exception cref="ObjectDisposedException">The player has already been disposed of.</exception>
/// <exception cref="InvalidOperationException">The player is not in the valid state.</exception>
/// <seealso cref="SetPlayPositionAsync(int, bool)"/>
/// <seealso cref="SetPlayPositionNanosecondsAsync(long, bool)"/>
/// <seealso cref="GetPlayPosition"/>
/// <since_tizen> 5 </since_tizen>
public long GetPlayPositionNanoseconds()
{
ValidatePlayerState(PlayerState.Ready, PlayerState.Paused, PlayerState.Playing);
NativePlayer.GetPlayPositionNanoseconds(Handle, out long playPosition).
ThrowIfFailed(this, "Failed to get the play position(nsec) of the player");
Log.Info(PlayerLog.Tag, $"get play position(nsec) : {playPosition}");
return(playPosition);
}