unsafe public static void ConvertBgrxToGreyByte(byte *ipstart, byte *opstart, int cb)
{
byte *ip = ipstart + 4, ipe = ipstart + cb, op = opstart + 1;
while (ip <= ipe)
{
byte y = Rec601.LumaFromBgr(ip[-4], ip[-3], ip[-2]);
op[-1] = y;
ip += 4;
op++;
}
}
unsafe public static void ConvertBgrxToGreyByte(byte *ipstart, byte *opstart, int cb)
{
byte *ip = ipstart, ipe = ipstart + cb - 4, op = opstart;
while (ip <= ipe)
{
byte y = Rec601.LumaFromBgr(ip[0], ip[1], ip[2]);
op[0] = y;
ip += 4;
op++;
}
}