using System;
using System.Drawing;

namespace Vinno.vCloud.FIS.CrossPlatform.Android.LiveVideo
{
    internal abstract class ImageSenderBaseV2
    {
        protected int SendImageWidth;
        protected int SendImageHeight;
        protected byte[] PushFrameBuffer;
        protected byte[] YuvPushFrameBuffer;
        protected readonly int ChannelNumer = 4;
        protected Rectangle ImageRectangle;

        protected ImageSenderBaseV2()
        {
        }

        protected void ResizeBuffer(ref byte[] buffer, int size)
        {
            if (buffer == null)
            {
                buffer = new byte[size];
            }
            else if (buffer.Length != size)
            {
                Array.Resize(ref buffer, size);
            }
        }

        protected void ArgbToYuvI420(byte[] rgbData, int width, int height)
        {
            ResizeBuffer(ref YuvPushFrameBuffer, width * height * 3 / 2);
            YuvHelper.ConvertABGRToI420(rgbData, width, height, YuvPushFrameBuffer);
        }
    }
}