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/*****************************************************************************
* Copyright (C) 2013-2020 MulticoreWare, Inc
*
* Authors: Steve Borho <steve@borho.org>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at license @ x265.com.
*****************************************************************************/
#include "common.h"
#include "output.h"
#include "yuv.h"
using namespace X265_NS;
using namespace std;
YUVOutput::YUVOutput(const char *filename, int w, int h, uint32_t d, int csp, int inputdepth)
: width(w)
, height(h)
, depth(d)
, colorSpace(csp)
, frameSize(0)
, inputDepth(inputdepth)
{
ofs.open(filename, ios::binary | ios::out);
buf = new char[width];
for (int i = 0; i < x265_cli_csps[colorSpace].planes; i++)
frameSize += (uint32_t)((width >> x265_cli_csps[colorSpace].width[i]) * (height >> x265_cli_csps[colorSpace].height[i]));
}
YUVOutput::~YUVOutput()
{
ofs.close();
delete [] buf;
}
bool YUVOutput::writePicture(const x265_picture& pic)
{
uint64_t fileOffset = pic.poc;
fileOffset *= frameSize;
X265_CHECK(pic.colorSpace == colorSpace, "invalid chroma subsampling\n");
X265_CHECK(pic.bitDepth == (int)depth, "invalid bit depth\n");
if (inputDepth > 8)
{
if (depth == 8)
{
int shift = pic.bitDepth - 8;
ofs.seekp((std::streamoff)fileOffset);
for (int i = 0; i < x265_cli_csps[colorSpace].planes; i++)
{
uint16_t *src = (uint16_t*)pic.planes[i];
for (int h = 0; h < height >> x265_cli_csps[colorSpace].height[i]; h++)
{
for (int w = 0; w < width >> x265_cli_csps[colorSpace].width[i]; w++)
buf[w] = (char)(src[w] >> shift);
ofs.write(buf, width >> x265_cli_csps[colorSpace].width[i]);
src += pic.stride[i] / sizeof(*src);
}
}
}
else
{
ofs.seekp((std::streamoff)(fileOffset * 2));
for (int i = 0; i < x265_cli_csps[colorSpace].planes; i++)
{
uint16_t *src = (uint16_t*)pic.planes[i];
for (int h = 0; h < height >> x265_cli_csps[colorSpace].height[i]; h++)
{
ofs.write((const char*)src, (width * 2) >> x265_cli_csps[colorSpace].width[i]);
src += pic.stride[i] / sizeof(*src);
}
}
}
}
else
{
ofs.seekp((std::streamoff)fileOffset);
for (int i = 0; i < x265_cli_csps[colorSpace].planes; i++)
{
char *src = (char*)pic.planes[i];
for (int h = 0; h < height >> x265_cli_csps[colorSpace].height[i]; h++)
{
ofs.write(src, width >> x265_cli_csps[colorSpace].width[i]);
src += pic.stride[i] / sizeof(*src);
}
}
}
return true;
}
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