/// Copyright (c)  2024  Xiaomi Corporation (authors: Fangjun Kuang)
using System;
using System.Runtime.InteropServices;

namespace SherpaOnnx
{
    public class SpeechSegment
    {
        public SpeechSegment(IntPtr handle)
        {
            Impl impl = (Impl)Marshal.PtrToStructure(handle, typeof(Impl));

            _start = impl.Start;

            unsafe
            {
                float* t = (float*)impl.Samples;
                _samples = new float[impl.Count];
                fixed (float* pTarget = _samples)
                {
                    for (int i = 0; i < impl.Count; i++)
                    {
                        pTarget[i] = t[i];
                    }
                }
            }
        }

        public int _start;
        public int Start => _start;

        private float[] _samples;
        public float[] Samples => _samples;

        [StructLayout(LayoutKind.Sequential)]
        struct Impl
        {
            public int Start;
            public IntPtr Samples;
            public int Count;
        }
    }
}
