-
Karsten Suehring authoredKarsten Suehring authored
DecApp.cpp 32.46 KiB
/* The copyright in this software is being made available under the BSD
* License, included below. This software may be subject to other third party
* and contributor rights, including patent rights, and no such rights are
* granted under this license.
*
* Copyright (c) 2010-2020, ITU/ISO/IEC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file DecApp.cpp
\brief Decoder application class
*/
#include <list>
#include <vector>
#include <stdio.h>
#include <fcntl.h>
#include "DecApp.h"
#include "DecoderLib/AnnexBread.h"
#include "DecoderLib/NALread.h"
#if RExt__DECODER_DEBUG_STATISTICS
#include "CommonLib/CodingStatistics.h"
#endif
#include "CommonLib/dtrace_codingstruct.h"
//! \ingroup DecoderApp
//! \{
// ====================================================================================================================
// Constructor / destructor / initialization / destroy
// ====================================================================================================================
DecApp::DecApp()
: m_iPOCLastDisplay(-MAX_INT)
{
for (int i = 0; i < MAX_NUM_LAYER_IDS; i++)
{
m_newCLVS[i] = true;
}
}
// ====================================================================================================================
// Public member functions
// ====================================================================================================================
/**
- create internal class
- initialize internal class
- until the end of the bitstream, call decoding function in DecApp class
- delete allocated buffers
- destroy internal class
- returns the number of mismatching pictures
*/
uint32_t DecApp::decode()
{
int poc;
PicList* pcListPic = NULL;
ifstream bitstreamFile(m_bitstreamFileName.c_str(), ifstream::in | ifstream::binary);
if (!bitstreamFile)
{
EXIT( "Failed to open bitstream file " << m_bitstreamFileName.c_str() << " for reading" ) ;
}
InputByteStream bytestream(bitstreamFile);
if (!m_outputDecodedSEIMessagesFilename.empty() && m_outputDecodedSEIMessagesFilename!="-")
{
m_seiMessageFileStream.open(m_outputDecodedSEIMessagesFilename.c_str(), std::ios::out);
if (!m_seiMessageFileStream.is_open() || !m_seiMessageFileStream.good())
{
EXIT( "Unable to open file "<< m_outputDecodedSEIMessagesFilename.c_str() << " for writing decoded SEI messages");
}
}
if (!m_oplFilename.empty() && m_oplFilename!="-")
{
m_oplFileStream.open(m_oplFilename.c_str(), std::ios::out);
if (!m_oplFileStream.is_open() || !m_oplFileStream.good())
{
EXIT( "Unable to open file "<< m_oplFilename.c_str() << " to write an opl-file for conformance testing (see JVET-P2008 for details)");
}
}
// create & initialize internal classes
xCreateDecLib();
m_iPOCLastDisplay += m_iSkipFrame; // set the last displayed POC correctly for skip forward.
// clear contents of colour-remap-information-SEI output file
if (!m_colourRemapSEIFileName.empty())
{
std::ofstream ofile(m_colourRemapSEIFileName.c_str());
if (!ofile.good() || !ofile.is_open())
{
EXIT( "Unable to open file " << m_colourRemapSEIFileName.c_str() << " for writing colour-remap-information-SEI video");
}
}
// main decoder loop
bool loopFiltered[MAX_VPS_LAYERS] = { false };
bool bPicSkipped = false;
bool isEosPresentInPu = false;
#if JVET_S0078_NOOUTPUTPRIORPICFLAG
bool firstSliceInAU = true;
#endif
bool outputPicturePresentInBitstream = false;
auto setOutputPicturePresentInStream = [&]()
{
if( !outputPicturePresentInBitstream )
{ PicList::iterator iterPic = pcListPic->begin();
while (!outputPicturePresentInBitstream && iterPic != pcListPic->end())
{
Picture *pcPic = *(iterPic++);
if (pcPic->neededForOutput)
{
outputPicturePresentInBitstream = true;
}
}
}
};
#if JVET_S0163_ON_TARGETOLS_SUBLAYERS
m_cDecLib.setHTidExternalSetFlag(m_mTidExternalSet);
m_cDecLib.setTOlsIdxExternalFlag(m_tOlsIdxTidExternalSet);
#endif
while (!!bitstreamFile)
{
InputNALUnit nalu;
nalu.m_nalUnitType = NAL_UNIT_INVALID;
// determine if next NAL unit will be the first one from a new picture
bool bNewPicture = m_cDecLib.isNewPicture(&bitstreamFile, &bytestream);
bool bNewAccessUnit = bNewPicture && m_cDecLib.isNewAccessUnit( bNewPicture, &bitstreamFile, &bytestream );
if(!bNewPicture)
{
AnnexBStats stats = AnnexBStats();
// find next NAL unit in stream
byteStreamNALUnit(bytestream, nalu.getBitstream().getFifo(), stats);
if (nalu.getBitstream().getFifo().empty())
{
/* this can happen if the following occur:
* - empty input file
* - two back-to-back start_code_prefixes
* - start_code_prefix immediately followed by EOF
*/
msg( ERROR, "Warning: Attempt to decode an empty NAL unit\n");
}
else
{
// read NAL unit header
read(nalu);
// flush output for first slice of an IDR picture
if(m_cDecLib.getFirstSliceInPicture() &&
(nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_W_RADL ||
nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_N_LP))
{
m_newCLVS[nalu.m_nuhLayerId] = true; // An IDR picture starts a new CLVS
#if !JVET_S0078_NOOUTPUTPRIORPICFLAG
xFlushOutput(pcListPic, nalu.m_nuhLayerId);
#endif
}
if (m_cDecLib.getFirstSliceInPicture() && nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_CRA && isEosPresentInPu)
{
// A CRA that is immediately preceded by an EOS is a CLVSS
m_newCLVS[nalu.m_nuhLayerId] = true;
}
else if (m_cDecLib.getFirstSliceInPicture() && nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_CRA && !isEosPresentInPu)
{
// A CRA that is not immediately precede by an EOS is not a CLVSS
m_newCLVS[nalu.m_nuhLayerId] = false;
}
// parse NAL unit syntax if within target decoding layer
if( ( m_iMaxTemporalLayer < 0 || nalu.m_temporalId <= m_iMaxTemporalLayer ) && xIsNaluWithinTargetDecLayerIdSet( &nalu ) )
{
CHECK(nalu.m_temporalId > m_iMaxTemporalLayer, "bitstream shall not include any NAL unit with TemporalId greater than HighestTid"); if (m_targetDecLayerIdSet.size())
{
CHECK(std::find(m_targetDecLayerIdSet.begin(), m_targetDecLayerIdSet.end(), nalu.m_nuhLayerId) == m_targetDecLayerIdSet.end(), "bitstream shall not contain any other layers than included in the OLS with OlsIdx");
}
if (bPicSkipped)
{
if ((nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_TRAIL) || (nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_STSA) || (nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_RASL) || (nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_RADL) || (nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_W_RADL) || (nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_N_LP) || (nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_CRA) || (nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_GDR))
{
if (m_cDecLib.isSliceNaluFirstInAU(true, nalu))
{
m_cDecLib.resetAccessUnitNals();
m_cDecLib.resetAccessUnitApsNals();
m_cDecLib.resetAccessUnitPicInfo();
}
bPicSkipped = false;
}
}
m_cDecLib.decode(nalu, m_iSkipFrame, m_iPOCLastDisplay, m_targetOlsIdx);
#if JVET_S0163_ON_TARGETOLS_SUBLAYERS
if (nalu.m_nalUnitType == NAL_UNIT_OPI)
{
if (!m_cDecLib.getHTidExternalSetFlag() && m_cDecLib.getOPI()->getHtidInfoPresentFlag())
{
m_iMaxTemporalLayer = m_cDecLib.getOPI()->getOpiHtidPlus1()-1;
}
m_cDecLib.setHTidOpiSetFlag(m_cDecLib.getOPI()->getHtidInfoPresentFlag());
}
#endif
if (nalu.m_nalUnitType == NAL_UNIT_VPS)
{
#if JVET_S0163_ON_TARGETOLS_SUBLAYERS
m_cDecLib.deriveTargetOutputLayerSet( m_cDecLib.getVPS()->m_targetOlsIdx );
#else
m_cDecLib.deriveTargetOutputLayerSet( m_targetOlsIdx );
#endif
m_targetDecLayerIdSet = m_cDecLib.getVPS()->m_targetLayerIdSet;
m_targetOutputLayerIdSet = m_cDecLib.getVPS()->m_targetOutputLayerIdSet;
}
}
else
{
bPicSkipped = true;
}
}
// once an EOS NAL unit appears in the current PU, mark the variable isEosPresentInPu as true
if (nalu.m_nalUnitType == NAL_UNIT_EOS)
{
isEosPresentInPu = true;
m_newCLVS[nalu.m_nuhLayerId] = true; //The presence of EOS means that the next picture is the beginning of new CLVS
}
// within the current PU, only EOS and EOB are allowed to be sent after an EOS nal unit
if(isEosPresentInPu)
{
CHECK(nalu.m_nalUnitType != NAL_UNIT_EOS && nalu.m_nalUnitType != NAL_UNIT_EOB, "When an EOS NAL unit is present in a PU, it shall be the last NAL unit among all NAL units within the PU other than other EOS NAL units or an EOB NAL unit");
}
}
if ((bNewPicture || !bitstreamFile || nalu.m_nalUnitType == NAL_UNIT_EOS) && !m_cDecLib.getFirstSliceInSequence(nalu.m_nuhLayerId) && !bPicSkipped)
{
if (!loopFiltered[nalu.m_nuhLayerId] || bitstreamFile)
{
m_cDecLib.executeLoopFilters();
m_cDecLib.finishPicture(poc, pcListPic, INFO, m_newCLVS[nalu.m_nuhLayerId]);
}
loopFiltered[nalu.m_nuhLayerId] = (nalu.m_nalUnitType == NAL_UNIT_EOS);
if (nalu.m_nalUnitType == NAL_UNIT_EOS)
{
m_cDecLib.setFirstSliceInSequence(true, nalu.m_nuhLayerId);
}
m_cDecLib.updateAssociatedIRAP();
m_cDecLib.updatePrevGDRInSameLayer();
m_cDecLib.updatePrevIRAPAndGDRSubpic();
}
else if ( (bNewPicture || !bitstreamFile || nalu.m_nalUnitType == NAL_UNIT_EOS ) &&
m_cDecLib.getFirstSliceInSequence(nalu.m_nuhLayerId))
{
m_cDecLib.setFirstSliceInPicture (true);
}
if( pcListPic )
{
if( !m_reconFileName.empty() && !m_cVideoIOYuvReconFile[nalu.m_nuhLayerId].isOpen() )
{
const BitDepths &bitDepths=pcListPic->front()->cs->sps->getBitDepths(); // use bit depths of first reconstructed picture.
for( uint32_t channelType = 0; channelType < MAX_NUM_CHANNEL_TYPE; channelType++ )
{
if( m_outputBitDepth[channelType] == 0 )
{
m_outputBitDepth[channelType] = bitDepths.recon[channelType];
}
}
if (m_packedYUVMode && (m_outputBitDepth[CH_L] != 10 && m_outputBitDepth[CH_L] != 12))
{
EXIT ("Invalid output bit-depth for packed YUV output, aborting\n");
}
std::string reconFileName = m_reconFileName;
if( m_reconFileName.compare( "/dev/null" ) && m_cDecLib.getVPS() != nullptr && m_cDecLib.getVPS()->getMaxLayers() > 1 && xIsNaluWithinTargetOutputLayerIdSet( &nalu ) )
{
size_t pos = reconFileName.find_last_of('.');
std::string layerString = std::string(".layer") + std::to_string(nalu.m_nuhLayerId);
if (pos != string::npos)
{
reconFileName.insert(pos, layerString);
}
else
{
reconFileName.append(layerString);
}
}
if( ( m_cDecLib.getVPS() != nullptr && ( m_cDecLib.getVPS()->getMaxLayers() == 1 || xIsNaluWithinTargetOutputLayerIdSet( &nalu ) ) ) || m_cDecLib.getVPS() == nullptr )
{
m_cVideoIOYuvReconFile[nalu.m_nuhLayerId].open( reconFileName, true, m_outputBitDepth, m_outputBitDepth, bitDepths.recon ); // write mode
}
}
// write reconstruction to file
if( bNewPicture )
{
setOutputPicturePresentInStream();
xWriteOutput( pcListPic, nalu.m_temporalId );
}
if (nalu.m_nalUnitType == NAL_UNIT_EOS)
{
setOutputPicturePresentInStream();
xWriteOutput( pcListPic, nalu.m_temporalId );
m_cDecLib.setFirstSliceInPicture (false);
}
// write reconstruction to file -- for additional bumping as defined in C.5.2.3
#if JVET_S0163_ON_TARGETOLS_SUBLAYERS
if (!bNewPicture && ((nalu.m_nalUnitType >= NAL_UNIT_CODED_SLICE_TRAIL && nalu.m_nalUnitType <= NAL_UNIT_RESERVED_IRAP_VCL_11)
|| (nalu.m_nalUnitType >= NAL_UNIT_CODED_SLICE_IDR_W_RADL && nalu.m_nalUnitType <= NAL_UNIT_CODED_SLICE_GDR)))
#else
if (!bNewPicture && ((nalu.m_nalUnitType >= NAL_UNIT_CODED_SLICE_TRAIL && nalu.m_nalUnitType <= NAL_UNIT_RESERVED_IRAP_VCL_12)
|| (nalu.m_nalUnitType >= NAL_UNIT_CODED_SLICE_IDR_W_RADL && nalu.m_nalUnitType <= NAL_UNIT_CODED_SLICE_GDR)))
#endif
{
setOutputPicturePresentInStream();
#if JVET_S0078_NOOUTPUTPRIORPICFLAG bool firstPicInCVSAUThatIsNotAU0 = false;
if (firstSliceInAU)
{
if (m_targetDecLayerIdSet.size() > 0)
{
if (m_cDecLib.getAudIrapOrGdrAuFlag())
{
firstPicInCVSAUThatIsNotAU0 = true;
}
}
else
{
if (nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_W_RADL
|| nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_N_LP
|| (nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_CRA && isEosPresentInPu))
{
firstPicInCVSAUThatIsNotAU0 = true;
}
}
}
if (firstPicInCVSAUThatIsNotAU0)
{
xFlushOutput(pcListPic, NOT_VALID, m_cDecLib.getNoOutputPriorPicsFlag());
}
else
{
xWriteOutput(pcListPic, nalu.m_temporalId);
}
#else
xWriteOutput( pcListPic, nalu.m_temporalId );
#endif
}
}
#if JVET_S0078_NOOUTPUTPRIORPICFLAG
#if JVET_S0163_ON_TARGETOLS_SUBLAYERS
if ((nalu.m_nalUnitType >= NAL_UNIT_CODED_SLICE_TRAIL && nalu.m_nalUnitType <= NAL_UNIT_OPI)
|| (nalu.m_nalUnitType >= NAL_UNIT_CODED_SLICE_IDR_W_RADL && nalu.m_nalUnitType <= NAL_UNIT_CODED_SLICE_GDR))
{
firstSliceInAU = false;
}
#else
if ((nalu.m_nalUnitType >= NAL_UNIT_CODED_SLICE_TRAIL && nalu.m_nalUnitType <= NAL_UNIT_RESERVED_IRAP_VCL_12)
|| (nalu.m_nalUnitType >= NAL_UNIT_CODED_SLICE_IDR_W_RADL && nalu.m_nalUnitType <= NAL_UNIT_CODED_SLICE_GDR))
{
firstSliceInAU = false;
}
#endif
#endif
if( bNewPicture )
{
m_cDecLib.checkSeiInPictureUnit();
m_cDecLib.resetPictureSeiNalus();
// reset the EOS present status for the next PU check
isEosPresentInPu = false;
}
if (bNewPicture || !bitstreamFile || nalu.m_nalUnitType == NAL_UNIT_EOS)
{
m_cDecLib.checkAPSInPictureUnit();
m_cDecLib.resetPictureUnitNals();
}
if (bNewAccessUnit || !bitstreamFile)
{
m_cDecLib.CheckNoOutputPriorPicFlagsInAccessUnit();
m_cDecLib.resetAccessUnitNoOutputPriorPicFlags();
m_cDecLib.checkLayerIdIncludedInCvss();
m_cDecLib.resetAccessUnitEos();
m_cDecLib.resetAudIrapOrGdrAuFlag();
}
if(bNewAccessUnit)
{ m_cDecLib.checkTidLayerIdInAccessUnit();
m_cDecLib.resetAccessUnitSeiTids();
m_cDecLib.checkSEIInAccessUnit();
m_cDecLib.resetAccessUnitSeiPayLoadTypes();
m_cDecLib.resetAccessUnitNals();
m_cDecLib.resetAccessUnitApsNals();
m_cDecLib.resetAccessUnitPicInfo();
#if JVET_S0078_NOOUTPUTPRIORPICFLAG
firstSliceInAU = true;
#endif
}
}
// May need to check again one more time as in case one the bitstream has only one picture, the first check may miss it
setOutputPicturePresentInStream();
CHECK(!outputPicturePresentInBitstream, "It is required that there shall be at least one picture with PictureOutputFlag equal to 1 in the bitstream")
xFlushOutput( pcListPic );
// get the number of checksum errors
uint32_t nRet = m_cDecLib.getNumberOfChecksumErrorsDetected();
// delete buffers
m_cDecLib.deletePicBuffer();
// destroy internal classes
xDestroyDecLib();
#if RExt__DECODER_DEBUG_STATISTICS
CodingStatistics::DestroyInstance();
#endif
destroyROM();
return nRet;
}
void DecApp::writeLineToOutputLog(Picture * pcPic)
{
if (m_oplFileStream.is_open() && m_oplFileStream.good())
{
const SPS * sps = pcPic->cs->sps;
ChromaFormat chromaFormatIDC = sps->getChromaFormatIdc();
const Window &conf = pcPic->getConformanceWindow();
const int leftOffset = conf.getWindowLeftOffset() * SPS::getWinUnitX(chromaFormatIDC);
const int rightOffset = conf.getWindowRightOffset() * SPS::getWinUnitX(chromaFormatIDC);
const int topOffset = conf.getWindowTopOffset() * SPS::getWinUnitY(chromaFormatIDC);
const int bottomOffset = conf.getWindowBottomOffset() * SPS::getWinUnitY(chromaFormatIDC);
PictureHash recon_digest;
auto numChar = calcMD5WithCropping(((const Picture *) pcPic)->getRecoBuf(), recon_digest, sps->getBitDepths(),
leftOffset, rightOffset, topOffset, bottomOffset);
const int croppedWidth = pcPic->Y().width - leftOffset - rightOffset;
const int croppedHeight = pcPic->Y().height - topOffset - bottomOffset;
m_oplFileStream << std::setw(3) << pcPic->layerId << ",";
m_oplFileStream << std::setw(8) << pcPic->getPOC() << "," << std::setw(5) << croppedWidth << "," << std::setw(5)
<< croppedHeight << "," << hashToString(recon_digest, numChar) << "\n";
}
}
// ====================================================================================================================
// Protected member functions
// ====================================================================================================================
void DecApp::xCreateDecLib()
{
initROM();
// create decoder class m_cDecLib.create();
// initialize decoder class
m_cDecLib.init(
#if JVET_J0090_MEMORY_BANDWITH_MEASURE
m_cacheCfgFile
#endif
);
m_cDecLib.setDecodedPictureHashSEIEnabled(m_decodedPictureHashSEIEnabled);
if (!m_outputDecodedSEIMessagesFilename.empty())
{
std::ostream &os=m_seiMessageFileStream.is_open() ? m_seiMessageFileStream : std::cout;
m_cDecLib.setDecodedSEIMessageOutputStream(&os);
}
#if JVET_S0257_DUMP_360SEI_MESSAGE
if (!m_outputDecoded360SEIMessagesFilename.empty())
{
m_cDecLib.setDecoded360SEIMessageFileName(m_outputDecoded360SEIMessagesFilename);
}
#endif
m_cDecLib.m_targetSubPicIdx = this->m_targetSubPicIdx;
m_cDecLib.initScalingList();
}
void DecApp::xDestroyDecLib()
{
if( !m_reconFileName.empty() )
{
for( auto & recFile : m_cVideoIOYuvReconFile )
{
recFile.second.close();
}
}
// destroy decoder class
m_cDecLib.destroy();
}
/** \param pcListPic list of pictures to be written to file
\param tId temporal sub-layer ID
*/
void DecApp::xWriteOutput( PicList* pcListPic, uint32_t tId )
{
if (pcListPic->empty())
{
return;
}
PicList::iterator iterPic = pcListPic->begin();
int numPicsNotYetDisplayed = 0;
int dpbFullness = 0;
const SPS* activeSPS = (pcListPic->front()->cs->sps);
uint32_t maxNumReorderPicsHighestTid;
uint32_t maxDecPicBufferingHighestTid;
uint32_t maxNrSublayers = activeSPS->getMaxTLayers();
const VPS* referredVPS = pcListPic->front()->cs->vps;
const int temporalId = ( m_iMaxTemporalLayer == -1 || m_iMaxTemporalLayer >= maxNrSublayers ) ? maxNrSublayers - 1 : m_iMaxTemporalLayer;
if( referredVPS == nullptr || referredVPS->m_numLayersInOls[referredVPS->m_targetOlsIdx] == 1 )
{
maxNumReorderPicsHighestTid = activeSPS->getMaxNumReorderPics( temporalId );
maxDecPicBufferingHighestTid = activeSPS->getMaxDecPicBuffering( temporalId );
}
else
{
maxNumReorderPicsHighestTid = referredVPS->getMaxNumReorderPics( temporalId ); maxDecPicBufferingHighestTid = referredVPS->getMaxDecPicBuffering( temporalId );
}
while (iterPic != pcListPic->end())
{
Picture* pcPic = *(iterPic);
if(pcPic->neededForOutput && pcPic->getPOC() > m_iPOCLastDisplay)
{
numPicsNotYetDisplayed++;
dpbFullness++;
}
else if(pcPic->referenced)
{
dpbFullness++;
}
iterPic++;
}
iterPic = pcListPic->begin();
if (numPicsNotYetDisplayed>2)
{
iterPic++;
}
Picture* pcPic = *(iterPic);
if( numPicsNotYetDisplayed>2 && pcPic->fieldPic ) //Field Decoding
{
PicList::iterator endPic = pcListPic->end();
endPic--;
iterPic = pcListPic->begin();
while (iterPic != endPic)
{
Picture* pcPicTop = *(iterPic);
iterPic++;
Picture* pcPicBottom = *(iterPic);
if ( pcPicTop->neededForOutput && pcPicBottom->neededForOutput &&
(numPicsNotYetDisplayed > maxNumReorderPicsHighestTid || dpbFullness > maxDecPicBufferingHighestTid) &&
(!(pcPicTop->getPOC()%2) && pcPicBottom->getPOC() == pcPicTop->getPOC()+1) &&
(pcPicTop->getPOC() == m_iPOCLastDisplay+1 || m_iPOCLastDisplay < 0))
{
// write to file
numPicsNotYetDisplayed = numPicsNotYetDisplayed-2;
if ( !m_reconFileName.empty() )
{
const Window &conf = pcPicTop->cs->pps->getConformanceWindow();
const bool isTff = pcPicTop->topField;
bool display = true;
if (display)
{
m_cVideoIOYuvReconFile[pcPicTop->layerId].write( pcPicTop->getRecoBuf(), pcPicBottom->getRecoBuf(),
m_outputColourSpaceConvert,
false, // TODO: m_packedYUVMode,
conf.getWindowLeftOffset() * SPS::getWinUnitX( pcPicTop->cs->sps->getChromaFormatIdc() ),
conf.getWindowRightOffset() * SPS::getWinUnitX( pcPicTop->cs->sps->getChromaFormatIdc() ),
conf.getWindowTopOffset() * SPS::getWinUnitY( pcPicTop->cs->sps->getChromaFormatIdc() ),
conf.getWindowBottomOffset() * SPS::getWinUnitY( pcPicTop->cs->sps->getChromaFormatIdc() ),
NUM_CHROMA_FORMAT, isTff );
}
}
writeLineToOutputLog(pcPicTop);
writeLineToOutputLog(pcPicBottom);
// update POC of display order
m_iPOCLastDisplay = pcPicBottom->getPOC();
// erase non-referenced picture in the reference picture list after display if ( ! pcPicTop->referenced && pcPicTop->reconstructed )
{
pcPicTop->reconstructed = false;
}
if ( ! pcPicBottom->referenced && pcPicBottom->reconstructed )
{
pcPicBottom->reconstructed = false;
}
pcPicTop->neededForOutput = false;
pcPicBottom->neededForOutput = false;
}
}
}
else if( !pcPic->fieldPic ) //Frame Decoding
{
iterPic = pcListPic->begin();
while (iterPic != pcListPic->end())
{
pcPic = *(iterPic);
if(pcPic->neededForOutput && pcPic->getPOC() > m_iPOCLastDisplay &&
(numPicsNotYetDisplayed > maxNumReorderPicsHighestTid || dpbFullness > maxDecPicBufferingHighestTid))
{
// write to file
numPicsNotYetDisplayed--;
if (!pcPic->referenced)
{
dpbFullness--;
}
if (!m_reconFileName.empty())
{
const Window &conf = pcPic->getConformanceWindow();
const SPS* sps = pcPic->cs->sps;
ChromaFormat chromaFormatIDC = sps->getChromaFormatIdc();
if( m_upscaledOutput )
{
m_cVideoIOYuvReconFile[pcPic->layerId].writeUpscaledPicture( *sps, *pcPic->cs->pps, pcPic->getRecoBuf(), m_outputColourSpaceConvert, m_packedYUVMode, m_upscaledOutput, NUM_CHROMA_FORMAT, m_bClipOutputVideoToRec709Range );
}
else
{
m_cVideoIOYuvReconFile[pcPic->layerId].write( pcPic->getRecoBuf().get( COMPONENT_Y ).width, pcPic->getRecoBuf().get( COMPONENT_Y ).height, pcPic->getRecoBuf(),
m_outputColourSpaceConvert,
m_packedYUVMode,
conf.getWindowLeftOffset() * SPS::getWinUnitX( chromaFormatIDC ),
conf.getWindowRightOffset() * SPS::getWinUnitX( chromaFormatIDC ),
conf.getWindowTopOffset() * SPS::getWinUnitY( chromaFormatIDC ),
conf.getWindowBottomOffset() * SPS::getWinUnitY( chromaFormatIDC ),
NUM_CHROMA_FORMAT, m_bClipOutputVideoToRec709Range );
}
}
writeLineToOutputLog(pcPic);
// update POC of display order
m_iPOCLastDisplay = pcPic->getPOC();
// erase non-referenced picture in the reference picture list after display
if (!pcPic->referenced && pcPic->reconstructed)
{
pcPic->reconstructed = false;
}
pcPic->neededForOutput = false;
}
iterPic++;
}
}
}
/** \param pcListPic list of pictures to be written to file
*/
#if JVET_S0078_NOOUTPUTPRIORPICFLAG
void DecApp::xFlushOutput( PicList *pcListPic, const int layerId, bool noOutputOfPriorPicsFlag)
#else
void DecApp::xFlushOutput( PicList* pcListPic, const int layerId )
#endif
{
if(!pcListPic || pcListPic->empty())
{
return;
}
PicList::iterator iterPic = pcListPic->begin();
iterPic = pcListPic->begin();
Picture* pcPic = *(iterPic);
if (pcPic->fieldPic ) //Field Decoding
{
PicList::iterator endPic = pcListPic->end();
endPic--;
Picture *pcPicTop, *pcPicBottom = NULL;
while (iterPic != endPic)
{
pcPicTop = *(iterPic);
iterPic++;
pcPicBottom = *(iterPic);
if( pcPicTop->layerId != layerId && layerId != NOT_VALID )
{
continue;
}
if ( pcPicTop->neededForOutput && pcPicBottom->neededForOutput && !(pcPicTop->getPOC()%2) && (pcPicBottom->getPOC() == pcPicTop->getPOC()+1) )
{
#if JVET_S0078_NOOUTPUTPRIORPICFLAG
if (!noOutputOfPriorPicsFlag)
{
#endif
// write to file
if ( !m_reconFileName.empty() )
{
const Window &conf = pcPicTop->cs->pps->getConformanceWindow();
const bool isTff = pcPicTop->topField;
m_cVideoIOYuvReconFile[pcPicTop->layerId].write( pcPicTop->getRecoBuf(), pcPicBottom->getRecoBuf(),
m_outputColourSpaceConvert,
false, // TODO: m_packedYUVMode,
conf.getWindowLeftOffset() * SPS::getWinUnitX( pcPicTop->cs->sps->getChromaFormatIdc() ),
conf.getWindowRightOffset() * SPS::getWinUnitX( pcPicTop->cs->sps->getChromaFormatIdc() ),
conf.getWindowTopOffset() * SPS::getWinUnitY( pcPicTop->cs->sps->getChromaFormatIdc() ),
conf.getWindowBottomOffset() * SPS::getWinUnitY( pcPicTop->cs->sps->getChromaFormatIdc() ),
NUM_CHROMA_FORMAT, isTff );
}
writeLineToOutputLog(pcPicTop);
writeLineToOutputLog(pcPicBottom);
#if JVET_S0078_NOOUTPUTPRIORPICFLAG
}
#endif
// update POC of display order
m_iPOCLastDisplay = pcPicBottom->getPOC();
// erase non-referenced picture in the reference picture list after display
if( ! pcPicTop->referenced && pcPicTop->reconstructed )
{
pcPicTop->reconstructed = false;
}
if( ! pcPicBottom->referenced && pcPicBottom->reconstructed )
{ pcPicBottom->reconstructed = false;
}
pcPicTop->neededForOutput = false;
pcPicBottom->neededForOutput = false;
if(pcPicTop)
{
pcPicTop->destroy();
delete pcPicTop;
pcPicTop = NULL;
}
}
}
if(pcPicBottom)
{
pcPicBottom->destroy();
delete pcPicBottom;
pcPicBottom = NULL;
}
}
else //Frame decoding
{
while (iterPic != pcListPic->end())
{
pcPic = *(iterPic);
if( pcPic->layerId != layerId && layerId != NOT_VALID )
{
iterPic++;
continue;
}
if (pcPic->neededForOutput)
{
#if JVET_S0078_NOOUTPUTPRIORPICFLAG
if (!noOutputOfPriorPicsFlag)
{
#endif
// write to file
if (!m_reconFileName.empty())
{
const Window &conf = pcPic->getConformanceWindow();
const SPS* sps = pcPic->cs->sps;
ChromaFormat chromaFormatIDC = sps->getChromaFormatIdc();
if( m_upscaledOutput )
{
m_cVideoIOYuvReconFile[pcPic->layerId].writeUpscaledPicture( *sps, *pcPic->cs->pps, pcPic->getRecoBuf(), m_outputColourSpaceConvert, m_packedYUVMode, m_upscaledOutput, NUM_CHROMA_FORMAT, m_bClipOutputVideoToRec709Range );
}
else
{
m_cVideoIOYuvReconFile[pcPic->layerId].write( pcPic->getRecoBuf().get( COMPONENT_Y ).width, pcPic->getRecoBuf().get( COMPONENT_Y ).height, pcPic->getRecoBuf(),
m_outputColourSpaceConvert,
m_packedYUVMode,
conf.getWindowLeftOffset() * SPS::getWinUnitX( chromaFormatIDC ),
conf.getWindowRightOffset() * SPS::getWinUnitX( chromaFormatIDC ),
conf.getWindowTopOffset() * SPS::getWinUnitY( chromaFormatIDC ),
conf.getWindowBottomOffset() * SPS::getWinUnitY( chromaFormatIDC ),
NUM_CHROMA_FORMAT, m_bClipOutputVideoToRec709Range );
}
}
writeLineToOutputLog(pcPic);
#if JVET_S0078_NOOUTPUTPRIORPICFLAG
}
#endif
// update POC of display order
m_iPOCLastDisplay = pcPic->getPOC();
// erase non-referenced picture in the reference picture list after display
if (!pcPic->referenced && pcPic->reconstructed)
{ pcPic->reconstructed = false;
}
pcPic->neededForOutput = false;
}
if(pcPic != NULL)
{
pcPic->destroy();
delete pcPic;
pcPic = NULL;
*iterPic = nullptr;
}
iterPic++;
}
}
if( layerId != NOT_VALID )
{
pcListPic->remove_if([](Picture* p) { return p == nullptr; });
}
else
pcListPic->clear();
m_iPOCLastDisplay = -MAX_INT;
}
/** \param nalu Input nalu to check whether its LayerId is within targetDecLayerIdSet
*/
bool DecApp::xIsNaluWithinTargetDecLayerIdSet( const InputNALUnit* nalu ) const
{
if( !m_targetDecLayerIdSet.size() ) // By default, the set is empty, meaning all LayerIds are allowed
{
return true;
}
return std::find( m_targetDecLayerIdSet.begin(), m_targetDecLayerIdSet.end(), nalu->m_nuhLayerId ) != m_targetDecLayerIdSet.end();
}
/** \param nalu Input nalu to check whether its LayerId is within targetOutputLayerIdSet
*/
bool DecApp::xIsNaluWithinTargetOutputLayerIdSet( const InputNALUnit* nalu ) const
{
if( !m_targetOutputLayerIdSet.size() ) // By default, the set is empty, meaning all LayerIds are allowed
{
return true;
}
return std::find( m_targetOutputLayerIdSet.begin(), m_targetOutputLayerIdSet.end(), nalu->m_nuhLayerId ) != m_targetOutputLayerIdSet.end();
}
//! \}