/// <summary>
/// Gets the duration in nanoseconds.
/// </summary>
/// <returns>The duration of the stream.</returns>
/// <remarks>
/// The <see cref="Multimedia.Player"/> that owns this instance must be in the <see cref="PlayerState.Ready"/>,
/// <see cref="PlayerState.Playing"/>, or <see cref="PlayerState.Paused"/> state.
/// </remarks>
/// <exception cref="ObjectDisposedException">
/// The <see cref="Multimedia.Player"/> that this instance belongs to has been disposed of.
/// </exception>
/// <exception cref="InvalidOperationException">
/// The <see cref="Multimedia.Player"/> that this instance belongs to is not in the valid state.
/// </exception>
/// <seealso cref="GetDuration"/>
/// <since_tizen> 5 </since_tizen>
public long GetDurationNanoseconds()
{
Player.ValidatePlayerState(PlayerState.Ready, PlayerState.Playing, PlayerState.Paused);
NativePlayer.GetDurationNanoseconds(Player.Handle, out var duration).
ThrowIfFailed(Player, "Failed to get the duration in nanoseconds");
Log.Info(PlayerLog.Tag, "get duration(nsec) : " + duration);
return(duration);
}