using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace MatrixIO.IO.Bmff.Boxes
{
    /// <summary>
    /// Sound Media Header Box ("smhd")
    /// </summary>
    [Box("smhd", "Sound Media Header Box")]
    public class SoundMediaHeaderBox : FullBox
    {
        public SoundMediaHeaderBox() : base() { }
        public SoundMediaHeaderBox(Stream stream) : base(stream) { }

        internal override ulong CalculateSize()
        {
            return base.CalculateSize() + 2 + 2;
        }

        protected override void LoadFromStream(Stream stream)
        {
            base.LoadFromStream(stream);

            Balance = stream.ReadBEInt16();
            _Reserved = stream.ReadBEUInt16();
        }

        protected override void SaveToStream(Stream stream)
        {
            base.SaveToStream(stream);

            stream.WriteBEInt16(Balance);
            stream.WriteBEUInt16(_Reserved);
        }

        public short Balance { get; set; }
        private ushort _Reserved;
    }
}