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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.
*****************************************************************************/
#ifndef X265_DPB_H
#define X265_DPB_H
#include "piclist.h"
namespace X265_NS {
// private namespace for x265
class Frame;
class FrameData;
class Slice;
class DPB
{
public:
int m_lastIDR;
int m_pocCRA;
int m_bOpenGOP;
int m_craNal;
int m_bhasLeadingPicture;
bool m_bRefreshPending;
bool m_bTemporalSublayer;
PicList m_picList;
PicList m_freeList;
FrameData* m_frameDataFreeList;
DPB(x265_param *param)
{
m_lastIDR = 0;
m_pocCRA = 0;
m_bhasLeadingPicture = param->radl;
if (param->bResetZoneConfig)
{
for (int i = 0; i < param->rc.zonefileCount ; i++)
{
if (param->rc.zones[i].zoneParam->radl)
{
m_bhasLeadingPicture = param->rc.zones[i].zoneParam->radl;
break;
}
}
}
m_bRefreshPending = false;
m_frameDataFreeList = NULL;
m_bOpenGOP = param->bOpenGOP;
m_craNal = param->craNal;
m_bTemporalSublayer = (param->bEnableTemporalSubLayers > 2);
}
~DPB();
void prepareEncode(Frame*);
void recycleUnreferenced();
protected:
void computeRPS(int curPoc,int tempId, bool isRAP, RPS * rps, unsigned int maxDecPicBuffer, int sLayerId);
void applyReferencePictureSet(RPS *rps, int curPoc, int tempId, bool isTSAPicture, int sLayerId);
bool getTemporalLayerNonReferenceFlag(int sLayerId);
void decodingRefreshMarking(int pocCurr, NalUnitType nalUnitType, int sLayerId);
bool isTemporalLayerSwitchingPoint(int curPoc, int tempId, int sLayerId);
bool isStepwiseTemporalLayerSwitchingPoint(RPS *rps, int curPoc, int tempId, int sLayerId);
NalUnitType getNalUnitType(int curPoc, bool bIsKeyFrame);
};
}
#endif // X265_DPB_H
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