namespace NSpeex
{
    using System;

    internal class Inband
    {
        private Stereo stereo;

        public Inband(Stereo stereo)
        {
            this.stereo = stereo;
        }

        public void SpeexInbandRequest(Bits bits)
        {
            switch (bits.Unpack(4))
            {
                case 0:
                    bits.Advance(1);
                    return;

                case 1:
                    bits.Advance(1);
                    return;

                case 2:
                    bits.Advance(4);
                    return;

                case 3:
                    bits.Advance(4);
                    return;

                case 4:
                    bits.Advance(4);
                    return;

                case 5:
                    bits.Advance(4);
                    return;

                case 6:
                    bits.Advance(4);
                    return;

                case 7:
                    bits.Advance(4);
                    return;

                case 8:
                    bits.Advance(8);
                    return;

                case 9:
                    this.stereo.Init(bits);
                    return;

                case 10:
                    bits.Advance(0x10);
                    return;

                case 11:
                    bits.Advance(0x10);
                    return;

                case 12:
                    bits.Advance(0x20);
                    return;

                case 13:
                    bits.Advance(0x20);
                    return;

                case 14:
                    bits.Advance(0x40);
                    return;

                case 15:
                    bits.Advance(0x40);
                    return;
            }
        }

        public void UserInbandRequest(Bits bits)
        {
            int num = bits.Unpack(4);
            bits.Advance(5 + (8 * num));
        }
    }
}