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libbpg-0.9.6

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King_DuckZ 2015-10-27 11:46:00 +01:00
parent 3035b41edf
commit 35a8402710
248 changed files with 232891 additions and 100 deletions
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129
x265/source/common/frame.cpp Normal file
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/*****************************************************************************
* Copyright (C) 2013 x265 project
*
* Author: 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 "frame.h"
#include "picyuv.h"
#include "framedata.h"
using namespace X265_NS;
Frame::Frame()
{
m_bChromaExtended = false;
m_lowresInit = false;
m_reconRowCount.set(0);
m_countRefEncoders = 0;
m_encData = NULL;
m_reconPic = NULL;
m_quantOffsets = NULL;
m_next = NULL;
m_prev = NULL;
m_param = NULL;
memset(&m_lowres, 0, sizeof(m_lowres));
}
bool Frame::create(x265_param *param, float* quantOffsets)
{
m_fencPic = new PicYuv;
m_param = param;
if (m_fencPic->create(param->sourceWidth, param->sourceHeight, param->internalCsp) &&
m_lowres.create(m_fencPic, param->bframes, !!param->rc.aqMode))
{
if (quantOffsets)
{
int32_t cuCount = m_lowres.maxBlocksInRow * m_lowres.maxBlocksInCol;
m_quantOffsets = new float[cuCount];
}
return true;
}
return false;
}
bool Frame::allocEncodeData(x265_param *param, const SPS& sps)
{
m_encData = new FrameData;
m_reconPic = new PicYuv;
m_encData->m_reconPic = m_reconPic;
bool ok = m_encData->create(*param, sps) && m_reconPic->create(param->sourceWidth, param->sourceHeight, param->internalCsp);
if (ok)
{
/* initialize right border of m_reconpicYuv as SAO may read beyond the
* end of the picture accessing uninitialized pixels */
int maxHeight = sps.numCuInHeight * g_maxCUSize;
memset(m_reconPic->m_picOrg[0], 0, sizeof(pixel) * m_reconPic->m_stride * maxHeight);
if (m_reconPic->m_picCsp != X265_CSP_I400) {
memset(m_reconPic->m_picOrg[1], 0, sizeof(pixel) * m_reconPic->m_strideC * (maxHeight >> m_reconPic->m_vChromaShift));
memset(m_reconPic->m_picOrg[2], 0, sizeof(pixel) * m_reconPic->m_strideC * (maxHeight >> m_reconPic->m_vChromaShift));
}
/* use pre-calculated cu/pu offsets cached in the SPS structure */
m_reconPic->m_cuOffsetY = sps.cuOffsetY;
m_reconPic->m_buOffsetY = sps.buOffsetY;
if (m_reconPic->m_picCsp != X265_CSP_I400) {
m_reconPic->m_cuOffsetC = sps.cuOffsetC;
m_reconPic->m_buOffsetC = sps.buOffsetC;
}
}
return ok;
}
/* prepare to re-use a FrameData instance to encode a new picture */
void Frame::reinit(const SPS& sps)
{
m_bChromaExtended = false;
m_reconPic = m_encData->m_reconPic;
m_encData->reinit(sps);
}
void Frame::destroy()
{
if (m_encData)
{
m_encData->destroy();
delete m_encData;
m_encData = NULL;
}
if (m_fencPic)
{
m_fencPic->destroy();
delete m_fencPic;
m_fencPic = NULL;
}
if (m_reconPic)
{
m_reconPic->destroy();
delete m_reconPic;
m_reconPic = NULL;
}
if (m_quantOffsets)
{
delete[] m_quantOffsets;
}
m_lowres.destroy();
}