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/*
* Misc. low-level helpers, usually to aid debugging.
* Copyright (C) 2007 - 2010 Ren\xc3\xa9 Rebe, ExactCOD GmbH Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2. A copy of the GNU General
* Public License can be found in the file LICENSE.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT-
* ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* Alternatively, commercial licensing options are available from the
* copyright holder ExactCODE GmbH Germany.
*/
#include <stdlib.h> // malloc
#include <string.h> // memcpy
#include "low-level.hh"
void deinterlace (Image& image)
{
const int stride = image.stride();
const int height = image.height();
uint8_t* deinterlaced = (uint8_t*) malloc(image.stride() * height);
for (int i = 0; i < height; ++i)
{
const int dst_i = i / 2 + (i % 2) * (height / 2);
std::cerr << i << " - " << dst_i << std::endl;
uint8_t* dst = deinterlaced + stride * dst_i;
uint8_t* src = image.getRawData() + stride * i;
memcpy(dst, src, stride);
}
image.setRawData(deinterlaced);
}
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