#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2009 the Open Toolkit library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights to 
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#endregion


using System;
using System.Collections.Generic;
using System.Text;

namespace OpenTK.Audio
{
    /// <summary>Encapsulates a pointer to a decoded sound buffer.</summary>
    public class SoundData
    {
        byte[] buffer;
        //int data_length;        // The actual position of the last sample (the buffer may be larger than this).
        SoundFormat format;

        #region --- Constructors ---

        /// <internal />
        /// <summary>Constructs a new SoundData object.</summary>
        /// <param name="format">The SoundFormat of these SoundData.</param>
        /// <param name="data">An array of PCM buffer.</param>
        internal SoundData(SoundFormat format, byte[] data)
        {
            if (data == null) throw new ArgumentNullException("buffer", "Must be a valid array of samples.");
            if (data.Length == 0) throw new ArgumentOutOfRangeException("buffer", "Data length must be higher than 0.");
            //Type t = typeof(SampleType);
            //if (!(t == typeof(Byte) || t == typeof(SByte) || t == typeof(Int16) || t == typeof(UInt16) || t == typeof(Int32) ||
            //      t == typeof(UInt32) || t == typeof(Int64) || t == typeof(UInt64) || t == typeof(Single)))
            //    throw new ArgumentException(
            //        "SoundData must have one of the following types: byte, short, int, long, float or their unsigned equivalents.");

            this.SoundFormat = format;

            buffer = new byte[OpenTK.Functions.NextPowerOfTwo(data.Length)];
            Array.Copy(data, buffer, data.Length);
            //buffer = (byte[])data.Clone();
        }

        #endregion

        /// <summary>Gets the raw PCM buffer.</summary>
        public byte[] Data { get { return buffer; } internal set { buffer = value; } }

        /// <summary>Gets the SoundFormat of the SoundData.</summary>
        public SoundFormat SoundFormat { get { return format; } internal set { format = value; } }
    }    
}