/* 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) 2010-2015, 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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * 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 SEIread.cpp \brief reading funtionality for SEI messages */ #include "TLibCommon/CommonDef.h" #include "TLibCommon/TComBitStream.h" #include "TLibCommon/SEI.h" #include "TLibCommon/TComSlice.h" #include "SyntaxElementParser.h" #include "SEIread.h" #include "TLibCommon/TComPicYuv.h" #include //! \ingroup TLibDecoder //! \{ #if ENC_DEC_TRACE Void xTraceSEIHeader() { fprintf( g_hTrace, "=========== SEI message ===========\n"); } Void xTraceSEIMessageType(SEI::PayloadType payloadType) { fprintf( g_hTrace, "=========== %s SEI message ===========\n", SEI::getSEIMessageString(payloadType)); } #endif Void SEIReader::sei_read_code(std::ostream *pOS, UInt uiLength, UInt& ruiCode, const Char *pSymbolName) { READ_CODE(uiLength, ruiCode, pSymbolName); if (pOS) { (*pOS) << " " << std::setw(55) << pSymbolName << ": " << ruiCode << "\n"; } } Void SEIReader::sei_read_uvlc(std::ostream *pOS, UInt& ruiCode, const Char *pSymbolName) { READ_UVLC(ruiCode, pSymbolName); if (pOS) { (*pOS) << " " << std::setw(55) << pSymbolName << ": " << ruiCode << "\n"; } } Void SEIReader::sei_read_svlc(std::ostream *pOS, Int& ruiCode, const Char *pSymbolName) { READ_SVLC(ruiCode, pSymbolName); if (pOS) { (*pOS) << " " << std::setw(55) << pSymbolName << ": " << ruiCode << "\n"; } } Void SEIReader::sei_read_flag(std::ostream *pOS, UInt& ruiCode, const Char *pSymbolName) { READ_FLAG(ruiCode, pSymbolName); if (pOS) { (*pOS) << " " << std::setw(55) << pSymbolName << ": " << (ruiCode?1:0) << "\n"; } } static inline Void output_sei_message_header(SEI &sei, std::ostream *pDecodedMessageOutputStream, UInt payloadSize) { if (pDecodedMessageOutputStream) { std::string seiMessageHdr(SEI::getSEIMessageString(sei.payloadType())); seiMessageHdr+=" SEI message"; (*pDecodedMessageOutputStream) << std::setfill('-') << std::setw(seiMessageHdr.size()) << "-" << std::setfill(' ') << "\n" << seiMessageHdr << "\n"; } } #undef READ_CODE #undef READ_SVLC #undef READ_UVLC #undef READ_FLAG /** * unmarshal a single SEI message from bitstream bs */ #if LAYERS_NOT_PRESENT_SEI Void SEIReader::parseSEImessage(TComInputBitstream* bs, SEIMessages& seis, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream) #else Void SEIReader::parseSEImessage(TComInputBitstream* bs, SEIMessages& seis, const NalUnitType nalUnitType, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream) #endif { setBitstream(bs); assert(!m_pcBitstream->getNumBitsUntilByteAligned()); do { #if LAYERS_NOT_PRESENT_SEI xReadSEImessage(seis, nalUnitType, vps, sps, pDecodedMessageOutputStream); #else xReadSEImessage(seis, nalUnitType, sps, pDecodedMessageOutputStream); #endif /* SEI messages are an integer number of bytes, something has failed * in the parsing if bitstream not byte-aligned */ assert(!m_pcBitstream->getNumBitsUntilByteAligned()); } while (m_pcBitstream->getNumBitsLeft() > 8); UInt rbspTrailingBits; sei_read_code(NULL, 8, rbspTrailingBits, "rbsp_trailing_bits"); assert(rbspTrailingBits == 0x80); } #if O0164_MULTI_LAYER_HRD #if LAYERS_NOT_PRESENT_SEI Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream, const SEIScalableNesting *nestingSei, const SEIBspNesting *bspNestingSei) #else Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream, const SEIScalableNesting *nestingSei) #endif #else #if LAYERS_NOT_PRESENT_SEI Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream) #else Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream) #endif #endif { #if ENC_DEC_TRACE xTraceSEIHeader(); #endif Int payloadType = 0; UInt val = 0; do { sei_read_code(NULL, 8, val, "payload_type"); payloadType += val; } while (val==0xFF); UInt payloadSize = 0; do { sei_read_code(NULL, 8, val, "payload_size"); payloadSize += val; } while (val==0xFF); #if ENC_DEC_TRACE xTraceSEIMessageType((SEI::PayloadType)payloadType); #endif /* extract the payload for this single SEI message. * This allows greater safety in erroneous parsing of an SEI message * from affecting subsequent messages. * After parsing the payload, bs needs to be restored as the primary * bitstream. */ TComInputBitstream *bs = getBitstream(); setBitstream(bs->extractSubstream(payloadSize * 8)); SEI *sei = NULL; if(nalUnitType == NAL_UNIT_PREFIX_SEI) { switch (payloadType) { case SEI::USER_DATA_UNREGISTERED: sei = new SEIuserDataUnregistered; xParseSEIuserDataUnregistered((SEIuserDataUnregistered&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::ACTIVE_PARAMETER_SETS: sei = new SEIActiveParameterSets; xParseSEIActiveParameterSets((SEIActiveParameterSets&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::DECODING_UNIT_INFO: if (!sps) { printf ("Warning: Found Decoding unit SEI message, but no active SPS is available. Ignoring."); } else { sei = new SEIDecodingUnitInfo; #if SVC_EXTENSION xParseSEIDecodingUnitInfo((SEIDecodingUnitInfo&) *sei, payloadSize, sps, nestingSei, bspNestingSei, vps, pDecodedMessageOutputStream); #else xParseSEIDecodingUnitInfo((SEIDecodingUnitInfo&) *sei, payloadSize, sps, pDecodedMessageOutputStream); #endif } break; case SEI::BUFFERING_PERIOD: if (!sps) { printf ("Warning: Found Buffering period SEI message, but no active SPS is available. Ignoring."); } else { sei = new SEIBufferingPeriod; #if SVC_EXTENSION xParseSEIBufferingPeriod((SEIBufferingPeriod&) *sei, payloadSize, sps, nestingSei, bspNestingSei, vps, pDecodedMessageOutputStream); #else xParseSEIBufferingPeriod((SEIBufferingPeriod&) *sei, payloadSize, sps, pDecodedMessageOutputStream); #endif } break; case SEI::PICTURE_TIMING: if (!sps) { printf ("Warning: Found Picture timing SEI message, but no active SPS is available. Ignoring."); } else { sei = new SEIPictureTiming; #if SVC_EXTENSION xParseSEIPictureTiming((SEIPictureTiming&)*sei, payloadSize, sps, nestingSei, bspNestingSei, vps, pDecodedMessageOutputStream); #else xParseSEIPictureTiming((SEIPictureTiming&)*sei, payloadSize, sps, pDecodedMessageOutputStream); #endif } break; case SEI::RECOVERY_POINT: sei = new SEIRecoveryPoint; xParseSEIRecoveryPoint((SEIRecoveryPoint&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::FRAME_PACKING: sei = new SEIFramePacking; xParseSEIFramePacking((SEIFramePacking&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::SEGM_RECT_FRAME_PACKING: sei = new SEISegmentedRectFramePacking; xParseSEISegmentedRectFramePacking((SEISegmentedRectFramePacking&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::DISPLAY_ORIENTATION: sei = new SEIDisplayOrientation; xParseSEIDisplayOrientation((SEIDisplayOrientation&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::TEMPORAL_LEVEL0_INDEX: sei = new SEITemporalLevel0Index; xParseSEITemporalLevel0Index((SEITemporalLevel0Index&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::REGION_REFRESH_INFO: sei = new SEIGradualDecodingRefreshInfo; xParseSEIRegionRefreshInfo((SEIGradualDecodingRefreshInfo&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::NO_DISPLAY: sei = new SEINoDisplay; xParseSEINoDisplay((SEINoDisplay&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::TONE_MAPPING_INFO: sei = new SEIToneMappingInfo; xParseSEIToneMappingInfo((SEIToneMappingInfo&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::SOP_DESCRIPTION: sei = new SEISOPDescription; xParseSEISOPDescription((SEISOPDescription&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::SCALABLE_NESTING: sei = new SEIScalableNesting; #if LAYERS_NOT_PRESENT_SEI xParseSEIScalableNesting((SEIScalableNesting&) *sei, nalUnitType, payloadSize, vps, sps, pDecodedMessageOutputStream); #else xParseSEIScalableNesting((SEIScalableNesting&) *sei, nalUnitType, payloadSize, sps, pDecodedMessageOutputStream); #endif break; case SEI::TEMP_MOTION_CONSTRAINED_TILE_SETS: sei = new SEITempMotionConstrainedTileSets; xParseSEITempMotionConstraintsTileSets((SEITempMotionConstrainedTileSets&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::TIME_CODE: sei = new SEITimeCode; xParseSEITimeCode((SEITimeCode&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::CHROMA_SAMPLING_FILTER_HINT: sei = new SEIChromaSamplingFilterHint; xParseSEIChromaSamplingFilterHint((SEIChromaSamplingFilterHint&) *sei, payloadSize/*, sps*/, pDecodedMessageOutputStream); //} break; case SEI::KNEE_FUNCTION_INFO: sei = new SEIKneeFunctionInfo; xParseSEIKneeFunctionInfo((SEIKneeFunctionInfo&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::MASTERING_DISPLAY_COLOUR_VOLUME: sei = new SEIMasteringDisplayColourVolume; xParseSEIMasteringDisplayColourVolume((SEIMasteringDisplayColourVolume&) *sei, payloadSize, pDecodedMessageOutputStream); break; #if Q0074_COLOUR_REMAPPING_SEI case SEI::COLOUR_REMAPPING_INFO: sei = new SEIColourRemappingInfo; xParseSEIColourRemappingInfo((SEIColourRemappingInfo&) *sei, payloadSize, pDecodedMessageOutputStream); break; #endif #if SVC_EXTENSION #if LAYERS_NOT_PRESENT_SEI case SEI::LAYERS_NOT_PRESENT: if (!vps) { printf ("Warning: Found Layers not present SEI message, but no active VPS is available. Ignoring."); } else { sei = new SEILayersNotPresent; xParseSEILayersNotPresent((SEILayersNotPresent&) *sei, payloadSize, vps, pDecodedMessageOutputStream); } break; #endif #if N0383_IL_CONSTRAINED_TILE_SETS_SEI case SEI::INTER_LAYER_CONSTRAINED_TILE_SETS: sei = new SEIInterLayerConstrainedTileSets; xParseSEIInterLayerConstrainedTileSets((SEIInterLayerConstrainedTileSets&) *sei, payloadSize, pDecodedMessageOutputStream); break; #endif #if SUB_BITSTREAM_PROPERTY_SEI case SEI::SUB_BITSTREAM_PROPERTY: sei = new SEISubBitstreamProperty; xParseSEISubBitstreamProperty((SEISubBitstreamProperty&) *sei, vps, pDecodedMessageOutputStream); break; #endif #if O0164_MULTI_LAYER_HRD case SEI::BSP_NESTING: sei = new SEIBspNesting; #if LAYERS_NOT_PRESENT_SEI xParseSEIBspNesting((SEIBspNesting&) *sei, nalUnitType, vps, sps, *nestingSei, pDecodedMessageOutputStream); #else xParseSEIBspNesting((SEIBspNesting&) *sei, nalUnitType, sps, *nestingSei, pDecodedMessageOutputStream); #endif break; case SEI::BSP_INITIAL_ARRIVAL_TIME: sei = new SEIBspInitialArrivalTime; xParseSEIBspInitialArrivalTime((SEIBspInitialArrivalTime&) *sei, vps, sps, *nestingSei, *bspNestingSei, pDecodedMessageOutputStream); break; #endif #if Q0189_TMVP_CONSTRAINTS case SEI::TMVP_CONSTRAINTS: sei = new SEITMVPConstrains; xParseSEITMVPConstraints((SEITMVPConstrains&) *sei, payloadSize, pDecodedMessageOutputStream); break; #endif #if Q0247_FRAME_FIELD_INFO case SEI::FRAME_FIELD_INFO: sei = new SEIFrameFieldInfo; xParseSEIFrameFieldInfo ((SEIFrameFieldInfo&) *sei, payloadSize, pDecodedMessageOutputStream); break; #endif #if P0123_ALPHA_CHANNEL_SEI case SEI::ALPHA_CHANNEL_INFO: sei = new SEIAlphaChannelInfo; xParseSEIAlphaChannelInfo((SEIAlphaChannelInfo &) *sei, payloadSize, pDecodedMessageOutputStream); break; #endif #if Q0096_OVERLAY_SEI case SEI::OVERLAY_INFO: sei = new SEIOverlayInfo; xParseSEIOverlayInfo((SEIOverlayInfo&) *sei, payloadSize, pDecodedMessageOutputStream); break; #endif #endif //SVC_EXTENSION default: for (UInt i = 0; i < payloadSize; i++) { UInt seiByte; sei_read_code (NULL, 8, seiByte, "unknown prefix SEI payload byte"); } printf ("Unknown prefix SEI message (payloadType = %d) was found!\n", payloadType); if (pDecodedMessageOutputStream) { (*pDecodedMessageOutputStream) << "Unknown prefix SEI message (payloadType = " << payloadType << ") was found!\n"; } break; } } else { switch (payloadType) { case SEI::USER_DATA_UNREGISTERED: sei = new SEIuserDataUnregistered; xParseSEIuserDataUnregistered((SEIuserDataUnregistered&) *sei, payloadSize, pDecodedMessageOutputStream); break; case SEI::DECODED_PICTURE_HASH: sei = new SEIDecodedPictureHash; xParseSEIDecodedPictureHash((SEIDecodedPictureHash&) *sei, payloadSize, pDecodedMessageOutputStream); break; default: for (UInt i = 0; i < payloadSize; i++) { UInt seiByte; sei_read_code( NULL, 8, seiByte, "unknown suffix SEI payload byte"); } printf ("Unknown suffix SEI message (payloadType = %d) was found!\n", payloadType); if (pDecodedMessageOutputStream) { (*pDecodedMessageOutputStream) << "Unknown suffix SEI message (payloadType = " << payloadType << ") was found!\n"; } break; } } if (sei != NULL) { seis.push_back(sei); } /* By definition the underlying bitstream terminates in a byte-aligned manner. * 1. Extract all bar the last MIN(bitsremaining,nine) bits as reserved_payload_extension_data * 2. Examine the final 8 bits to determine the payload_bit_equal_to_one marker * 3. Extract the remainingreserved_payload_extension_data bits. * * If there are fewer than 9 bits available, extract them. */ Int payloadBitsRemaining = getBitstream()->getNumBitsLeft(); if (payloadBitsRemaining) /* more_data_in_payload() */ { for (; payloadBitsRemaining > 9; payloadBitsRemaining--) { UInt reservedPayloadExtensionData; sei_read_code ( pDecodedMessageOutputStream, 1, reservedPayloadExtensionData, "reserved_payload_extension_data"); } /* 2 */ Int finalBits = getBitstream()->peekBits(payloadBitsRemaining); Int finalPayloadBits = 0; for (Int mask = 0xff; finalBits & (mask >> finalPayloadBits); finalPayloadBits++) { continue; } /* 3 */ for (; payloadBitsRemaining > 9 - finalPayloadBits; payloadBitsRemaining--) { UInt reservedPayloadExtensionData; sei_read_flag ( 0, reservedPayloadExtensionData, "reserved_payload_extension_data"); } UInt dummy; sei_read_flag( 0, dummy, "payload_bit_equal_to_one"); payloadBitsRemaining--; while (payloadBitsRemaining) { sei_read_flag( 0, dummy, "payload_bit_equal_to_zero"); payloadBitsRemaining--; } } /* restore primary bitstream for sei_message */ getBitstream()->deleteFifo(); delete getBitstream(); setBitstream(bs); } /** * parse bitstream bs and unpack a user_data_unregistered SEI message * of payloasSize bytes into sei. */ Void SEIReader::xParseSEIuserDataUnregistered(SEIuserDataUnregistered &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { assert(payloadSize >= ISO_IEC_11578_LEN); UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); for (UInt i = 0; i < ISO_IEC_11578_LEN; i++) { sei_read_code( pDecodedMessageOutputStream, 8, val, "uuid_iso_iec_11578"); sei.uuid_iso_iec_11578[i] = val; } sei.userDataLength = payloadSize - ISO_IEC_11578_LEN; if (!sei.userDataLength) { sei.userData = 0; return; } sei.userData = new UChar[sei.userDataLength]; for (UInt i = 0; i < sei.userDataLength; i++) { sei_read_code( NULL, 8, val, "user_data_payload_byte" ); sei.userData[i] = val; } if (pDecodedMessageOutputStream) { (*pDecodedMessageOutputStream) << " User data payload size: " << sei.userDataLength << "\n"; } } /** * parse bitstream bs and unpack a decoded picture hash SEI message * of payloadSize bytes into sei. */ Void SEIReader::xParseSEIDecodedPictureHash(SEIDecodedPictureHash& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt bytesRead = 0; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); UInt val; sei_read_code( pDecodedMessageOutputStream, 8, val, "hash_type"); sei.method = static_cast(val); bytesRead++; const Char *traceString="\0"; switch (sei.method) { case SEIDecodedPictureHash::MD5: traceString="picture_md5"; break; case SEIDecodedPictureHash::CRC: traceString="picture_crc"; break; case SEIDecodedPictureHash::CHECKSUM: traceString="picture_checksum"; break; default: assert(false); break; } if (pDecodedMessageOutputStream) { (*pDecodedMessageOutputStream) << " " << std::setw(55) << traceString << ": " << std::hex << std::setfill('0'); } sei.m_digest.hash.clear(); for(;bytesRead < payloadSize; bytesRead++) { sei_read_code( NULL, 8, val, traceString); sei.m_digest.hash.push_back((UChar)val); if (pDecodedMessageOutputStream) { (*pDecodedMessageOutputStream) << std::setw(2) << val; } } if (pDecodedMessageOutputStream) { (*pDecodedMessageOutputStream) << std::dec << std::setfill(' ') << "\n"; } } Void SEIReader::xParseSEIActiveParameterSets(SEIActiveParameterSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_code( pDecodedMessageOutputStream, 4, val, "active_video_parameter_set_id"); sei.activeVPSId = val; sei_read_flag( pDecodedMessageOutputStream, val, "self_contained_cvs_flag"); sei.m_selfContainedCvsFlag = (val != 0); sei_read_flag( pDecodedMessageOutputStream, val, "no_parameter_set_update_flag"); sei.m_noParameterSetUpdateFlag = (val != 0); sei_read_uvlc( pDecodedMessageOutputStream, val, "num_sps_ids_minus1"); sei.numSpsIdsMinus1 = val; sei.activeSeqParameterSetId.resize(sei.numSpsIdsMinus1 + 1); #if R0247_SEI_ACTIVE sei.layerSpsIdx.resize(sei.numSpsIdsMinus1 + 1); #endif for (Int i=0; i < (sei.numSpsIdsMinus1 + 1); i++) { sei_read_uvlc( pDecodedMessageOutputStream, val, "active_seq_parameter_set_id[i]"); sei.activeSeqParameterSetId[i] = val; } #if R0247_SEI_ACTIVE for (Int i=1; i < (sei.numSpsIdsMinus1 + 1); i++) { sei_read_uvlc( pDecodedMessageOutputStream, val, "layer_sps_idx"); sei.layerSpsIdx[i] = val; } #endif } #if SVC_EXTENSION Void SEIReader::xParseSEIDecodingUnitInfo(SEIDecodingUnitInfo& sei, UInt payloadSize, const TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream) #else Void SEIReader::xParseSEIDecodingUnitInfo(SEIDecodingUnitInfo& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream) #endif { UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_uvlc( pDecodedMessageOutputStream, val, "decoding_unit_idx"); sei.m_decodingUnitIdx = val; #if SVC_EXTENSION const TComHRD *hrd; if( bspNestingSei ) // If DU info SEI contained inside a BSP nesting SEI message { assert( nestingSei ); Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx; Int seiOlsIdx = bspNestingSei->m_seiOlsIdx; Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1; Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1; std::vector hrdIdx(maxValues, 0); std::vector hrdVec; std::vector syntaxElemLen(maxValues, 0); for(Int i = 0; i < maxValues; i++) { hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx); hrdVec.push_back(vps->getBspHrd(hrdIdx[i])); syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1; if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) ) { assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23 } if( i > 0 ) { assert( hrdVec[i]->getSubPicCpbParamsPresentFlag() == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() ); assert( hrdVec[i]->getSubPicCpbParamsInPicTimingSEIFlag() == hrdVec[i-1]->getSubPicCpbParamsInPicTimingSEIFlag() ); assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1() == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() ); // To be done: Check CpbDpbDelaysPresentFlag } } hrd = hrdVec[0]; } else { const TComVUI *vui = sps->getVuiParameters(); hrd = vui->getHrdParameters(); } if(hrd->getSubPicCpbParamsInPicTimingSEIFlag()) { sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), val, "du_spt_cpb_removal_delay_increment"); sei.m_duSptCpbRemovalDelay = val; } else { sei.m_duSptCpbRemovalDelay = 0; } sei_read_flag( pDecodedMessageOutputStream, val, "dpb_output_du_delay_present_flag"); sei.m_dpbOutputDuDelayPresentFlag = (val != 0); if(sei.m_dpbOutputDuDelayPresentFlag) { sei_read_code( pDecodedMessageOutputStream, hrd->getDpbOutputDelayDuLengthMinus1() + 1, val, "pic_spt_dpb_output_du_delay"); sei.m_picSptDpbOutputDuDelay = val; } #else const TComVUI *vui = sps->getVuiParameters(); if(vui->getHrdParameters()->getSubPicCpbParamsInPicTimingSEIFlag()) { sei_read_code( pDecodedMessageOutputStream, ( vui->getHrdParameters()->getDuCpbRemovalDelayLengthMinus1() + 1 ), val, "du_spt_cpb_removal_delay_increment"); sei.m_duSptCpbRemovalDelay = val; } else { sei.m_duSptCpbRemovalDelay = 0; } sei_read_flag( pDecodedMessageOutputStream, val, "dpb_output_du_delay_present_flag"); sei.m_dpbOutputDuDelayPresentFlag = (val != 0); if(sei.m_dpbOutputDuDelayPresentFlag) { sei_read_code( pDecodedMessageOutputStream, vui->getHrdParameters()->getDpbOutputDelayDuLengthMinus1() + 1, val, "pic_spt_dpb_output_du_delay"); sei.m_picSptDpbOutputDuDelay = val; } #endif } #if SVC_EXTENSION Void SEIReader::xParseSEIBufferingPeriod(SEIBufferingPeriod& sei, UInt payloadSize, const TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream) #else Void SEIReader::xParseSEIBufferingPeriod(SEIBufferingPeriod& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream) #endif { Int i, nalOrVcl; UInt code; #if SVC_EXTENSION const TComHRD *pHRD; if( bspNestingSei ) // If BP SEI contained inside a BSP nesting SEI message { assert( nestingSei ); Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx; Int seiOlsIdx = bspNestingSei->m_seiOlsIdx; Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1; Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1; std::vector hrdIdx(maxValues, 0); std::vector hrdVec; std::vector syntaxElemLen(maxValues, 0); for(i = 0; i < maxValues; i++) { hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx); hrdVec.push_back(vps->getBspHrd(hrdIdx[i])); syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1; if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) ) { assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23 } if( i > 0 ) { assert( hrdVec[i]->getCpbRemovalDelayLengthMinus1() == hrdVec[i-1]->getCpbRemovalDelayLengthMinus1() ); assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1() == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() ); assert( hrdVec[i]->getSubPicCpbParamsPresentFlag() == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() ); } } pHRD = hrdVec[i]; } else { const TComVUI *vui = sps->getVuiParameters(); pHRD = vui->getHrdParameters(); } // To be done: When contained in an BSP HRD SEI message, the hrd structure is to be chosen differently. #else const TComVUI *pVUI = sps->getVuiParameters(); const TComHRD *pHRD = pVUI->getHrdParameters(); #endif output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_uvlc( pDecodedMessageOutputStream, code, "bp_seq_parameter_set_id" ); sei.m_bpSeqParameterSetId = code; if( !pHRD->getSubPicCpbParamsPresentFlag() ) { sei_read_flag( pDecodedMessageOutputStream, code, "irap_cpb_params_present_flag" ); sei.m_rapCpbParamsPresentFlag = code; } if( sei.m_rapCpbParamsPresentFlag ) { sei_read_code( pDecodedMessageOutputStream, pHRD->getCpbRemovalDelayLengthMinus1() + 1, code, "cpb_delay_offset" ); sei.m_cpbDelayOffset = code; sei_read_code( pDecodedMessageOutputStream, pHRD->getDpbOutputDelayLengthMinus1() + 1, code, "dpb_delay_offset" ); sei.m_dpbDelayOffset = code; } //read splicing flag and cpb_removal_delay_delta sei_read_flag( pDecodedMessageOutputStream, code, "concatenation_flag"); sei.m_concatenationFlag = code; sei_read_code( pDecodedMessageOutputStream, ( pHRD->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_delta_minus1" ); sei.m_auCpbRemovalDelayDelta = code + 1; for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) { if( ( ( nalOrVcl == 0 ) && ( pHRD->getNalHrdParametersPresentFlag() ) ) || ( ( nalOrVcl == 1 ) && ( pHRD->getVclHrdParametersPresentFlag() ) ) ) { for( i = 0; i < ( pHRD->getCpbCntMinus1( 0 ) + 1 ); i ++ ) { sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_delay":"nal_initial_cpb_removal_delay" ); sei.m_initialCpbRemovalDelay[i][nalOrVcl] = code; sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_offset":"vcl_initial_cpb_removal_offset" ); sei.m_initialCpbRemovalDelayOffset[i][nalOrVcl] = code; if( pHRD->getSubPicCpbParamsPresentFlag() || sei.m_rapCpbParamsPresentFlag ) { sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_delay":"vcl_initial_alt_cpb_removal_delay" ); sei.m_initialAltCpbRemovalDelay[i][nalOrVcl] = code; sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_offset":"vcl_initial_alt_cpb_removal_offset" ); sei.m_initialAltCpbRemovalDelayOffset[i][nalOrVcl] = code; } } } } #if P0138_USE_ALT_CPB_PARAMS_FLAG sei.m_useAltCpbParamsFlag = false; sei.m_useAltCpbParamsFlagPresent = false; if (xPayloadExtensionPresent()) { sei_read_flag( pDecodedMessageOutputStream, code, "use_alt_cpb_params_flag"); sei.m_useAltCpbParamsFlag = code; sei.m_useAltCpbParamsFlagPresent = true; } #endif } #if SVC_EXTENSION Void SEIReader::xParseSEIPictureTiming(SEIPictureTiming& sei, UInt payloadSize, const TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream) #else Void SEIReader::xParseSEIPictureTiming(SEIPictureTiming& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream) #endif { Int i; UInt code; #if SVC_EXTENSION const TComHRD *hrd; const TComVUI *vui = sps->getVuiParameters(); if( bspNestingSei ) // If BP SEI contained inside a BSP nesting SEI message { assert( nestingSei ); Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx; Int seiOlsIdx = bspNestingSei->m_seiOlsIdx; Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1; Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1; std::vector hrdIdx(maxValues, 0); std::vector hrdVec; std::vector syntaxElemLen(maxValues, 0); for(i = 0; i < maxValues; i++) { hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx); hrdVec.push_back(vps->getBspHrd(hrdIdx[i])); syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1; if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) ) { assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23 } if( i > 0 ) { assert( hrdVec[i]->getSubPicCpbParamsPresentFlag() == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() ); assert( hrdVec[i]->getSubPicCpbParamsInPicTimingSEIFlag() == hrdVec[i-1]->getSubPicCpbParamsInPicTimingSEIFlag() ); assert( hrdVec[i]->getCpbRemovalDelayLengthMinus1() == hrdVec[i-1]->getCpbRemovalDelayLengthMinus1() ); assert( hrdVec[i]->getDpbOutputDelayLengthMinus1() == hrdVec[i-1]->getDpbOutputDelayLengthMinus1() ); assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1() == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() ); assert( hrdVec[i]->getDuCpbRemovalDelayLengthMinus1() == hrdVec[i-1]->getDuCpbRemovalDelayLengthMinus1() ); // To be done: Check CpbDpbDelaysPresentFlag } } hrd = hrdVec[0]; } else { hrd = vui->getHrdParameters(); } // To be done: When contained in an BSP HRD SEI message, the hrd structure is to be chosen differently. #else const TComVUI *vui = sps->getVuiParameters(); const TComHRD *hrd = vui->getHrdParameters(); #endif output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); if( vui->getFrameFieldInfoPresentFlag() ) { sei_read_code( pDecodedMessageOutputStream, 4, code, "pic_struct" ); sei.m_picStruct = code; sei_read_code( pDecodedMessageOutputStream, 2, code, "source_scan_type" ); sei.m_sourceScanType = code; sei_read_flag( pDecodedMessageOutputStream, code, "duplicate_flag" ); sei.m_duplicateFlag = (code == 1); } if( hrd->getCpbDpbDelaysPresentFlag()) { sei_read_code( pDecodedMessageOutputStream, ( hrd->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_minus1" ); sei.m_auCpbRemovalDelay = code + 1; sei_read_code( pDecodedMessageOutputStream, ( hrd->getDpbOutputDelayLengthMinus1() + 1 ), code, "pic_dpb_output_delay" ); sei.m_picDpbOutputDelay = code; if(hrd->getSubPicCpbParamsPresentFlag()) { sei_read_code( pDecodedMessageOutputStream, hrd->getDpbOutputDelayDuLengthMinus1()+1, code, "pic_dpb_output_du_delay" ); sei.m_picDpbOutputDuDelay = code; } if( hrd->getSubPicCpbParamsPresentFlag() && hrd->getSubPicCpbParamsInPicTimingSEIFlag() ) { sei_read_uvlc( pDecodedMessageOutputStream, code, "num_decoding_units_minus1"); sei.m_numDecodingUnitsMinus1 = code; sei_read_flag( pDecodedMessageOutputStream, code, "du_common_cpb_removal_delay_flag" ); sei.m_duCommonCpbRemovalDelayFlag = code; if( sei.m_duCommonCpbRemovalDelayFlag ) { sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_common_cpb_removal_delay_increment_minus1" ); sei.m_duCommonCpbRemovalDelayMinus1 = code; } if( sei.m_numNalusInDuMinus1 != NULL ) { delete sei.m_numNalusInDuMinus1; } sei.m_numNalusInDuMinus1 = new UInt[ ( sei.m_numDecodingUnitsMinus1 + 1 ) ]; if( sei.m_duCpbRemovalDelayMinus1 != NULL ) { delete sei.m_duCpbRemovalDelayMinus1; } sei.m_duCpbRemovalDelayMinus1 = new UInt[ ( sei.m_numDecodingUnitsMinus1 + 1 ) ]; for( i = 0; i <= sei.m_numDecodingUnitsMinus1; i ++ ) { sei_read_uvlc( pDecodedMessageOutputStream, code, "num_nalus_in_du_minus1[i]"); sei.m_numNalusInDuMinus1[ i ] = code; if( ( !sei.m_duCommonCpbRemovalDelayFlag ) && ( i < sei.m_numDecodingUnitsMinus1 ) ) { sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_cpb_removal_delay_minus1[i]" ); sei.m_duCpbRemovalDelayMinus1[ i ] = code; } } } } } Void SEIReader::xParseSEIRecoveryPoint(SEIRecoveryPoint& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { Int iCode; UInt uiCode; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_svlc( pDecodedMessageOutputStream, iCode, "recovery_poc_cnt" ); sei.m_recoveryPocCnt = iCode; sei_read_flag( pDecodedMessageOutputStream, uiCode, "exact_matching_flag" ); sei.m_exactMatchingFlag = uiCode; sei_read_flag( pDecodedMessageOutputStream, uiCode, "broken_link_flag" ); sei.m_brokenLinkFlag = uiCode; } Void SEIReader::xParseSEIFramePacking(SEIFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_uvlc( pDecodedMessageOutputStream, val, "frame_packing_arrangement_id" ); sei.m_arrangementId = val; sei_read_flag( pDecodedMessageOutputStream, val, "frame_packing_arrangement_cancel_flag" ); sei.m_arrangementCancelFlag = val; if ( !sei.m_arrangementCancelFlag ) { sei_read_code( pDecodedMessageOutputStream, 7, val, "frame_packing_arrangement_type" ); sei.m_arrangementType = val; assert((sei.m_arrangementType > 2) && (sei.m_arrangementType < 6) ); sei_read_flag( pDecodedMessageOutputStream, val, "quincunx_sampling_flag" ); sei.m_quincunxSamplingFlag = val; sei_read_code( pDecodedMessageOutputStream, 6, val, "content_interpretation_type" ); sei.m_contentInterpretationType = val; sei_read_flag( pDecodedMessageOutputStream, val, "spatial_flipping_flag" ); sei.m_spatialFlippingFlag = val; sei_read_flag( pDecodedMessageOutputStream, val, "frame0_flipped_flag" ); sei.m_frame0FlippedFlag = val; sei_read_flag( pDecodedMessageOutputStream, val, "field_views_flag" ); sei.m_fieldViewsFlag = val; sei_read_flag( pDecodedMessageOutputStream, val, "current_frame_is_frame0_flag" ); sei.m_currentFrameIsFrame0Flag = val; sei_read_flag( pDecodedMessageOutputStream, val, "frame0_self_contained_flag" ); sei.m_frame0SelfContainedFlag = val; sei_read_flag( pDecodedMessageOutputStream, val, "frame1_self_contained_flag" ); sei.m_frame1SelfContainedFlag = val; if ( sei.m_quincunxSamplingFlag == 0 && sei.m_arrangementType != 5) { sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_x" ); sei.m_frame0GridPositionX = val; sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_y" ); sei.m_frame0GridPositionY = val; sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_x" ); sei.m_frame1GridPositionX = val; sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_y" ); sei.m_frame1GridPositionY = val; } sei_read_code( pDecodedMessageOutputStream, 8, val, "frame_packing_arrangement_reserved_byte" ); sei.m_arrangementReservedByte = val; sei_read_flag( pDecodedMessageOutputStream, val, "frame_packing_arrangement_persistence_flag" ); sei.m_arrangementPersistenceFlag = (val != 0); } sei_read_flag( pDecodedMessageOutputStream, val, "upsampled_aspect_ratio_flag" ); sei.m_upsampledAspectRatio = val; } Void SEIReader::xParseSEISegmentedRectFramePacking(SEISegmentedRectFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_flag( pDecodedMessageOutputStream, val, "segmented_rect_frame_packing_arrangement_cancel_flag" ); sei.m_arrangementCancelFlag = val; if( !sei.m_arrangementCancelFlag ) { sei_read_code( pDecodedMessageOutputStream, 2, val, "segmented_rect_content_interpretation_type" ); sei.m_contentInterpretationType = val; sei_read_flag( pDecodedMessageOutputStream, val, "segmented_rect_frame_packing_arrangement_persistence" ); sei.m_arrangementPersistenceFlag = val; } } Void SEIReader::xParseSEIDisplayOrientation(SEIDisplayOrientation& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_flag( pDecodedMessageOutputStream, val, "display_orientation_cancel_flag" ); sei.cancelFlag = val; if( !sei.cancelFlag ) { sei_read_flag( pDecodedMessageOutputStream, val, "hor_flip" ); sei.horFlip = val; sei_read_flag( pDecodedMessageOutputStream, val, "ver_flip" ); sei.verFlip = val; sei_read_code( pDecodedMessageOutputStream, 16, val, "anticlockwise_rotation" ); sei.anticlockwiseRotation = val; sei_read_flag( pDecodedMessageOutputStream, val, "display_orientation_persistence_flag" ); sei.persistenceFlag = val; } } Void SEIReader::xParseSEITemporalLevel0Index(SEITemporalLevel0Index& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_code( pDecodedMessageOutputStream, 8, val, "temporal_sub_layer_zero_idx" ); sei.tl0Idx = val; sei_read_code( pDecodedMessageOutputStream, 8, val, "irap_pic_id" ); sei.rapIdx = val; } Void SEIReader::xParseSEIRegionRefreshInfo(SEIGradualDecodingRefreshInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_flag( pDecodedMessageOutputStream, val, "refreshed_region_flag" ); sei.m_gdrForegroundFlag = val ? 1 : 0; } Void SEIReader::xParseSEINoDisplay(SEINoDisplay& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei.m_noDisplay = true; } Void SEIReader::xParseSEIToneMappingInfo(SEIToneMappingInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { Int i; UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_id" ); sei.m_toneMapId = val; sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_cancel_flag" ); sei.m_toneMapCancelFlag = val; if ( !sei.m_toneMapCancelFlag ) { sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_persistence_flag" ); sei.m_toneMapPersistenceFlag = val; sei_read_code( pDecodedMessageOutputStream, 8, val, "coded_data_bit_depth" ); sei.m_codedDataBitDepth = val; sei_read_code( pDecodedMessageOutputStream, 8, val, "target_bit_depth" ); sei.m_targetBitDepth = val; sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_model_id" ); sei.m_modelId = val; switch(sei.m_modelId) { case 0: { sei_read_code( pDecodedMessageOutputStream, 32, val, "min_value" ); sei.m_minValue = val; sei_read_code( pDecodedMessageOutputStream, 32, val, "max_value" ); sei.m_maxValue = val; break; } case 1: { sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_midpoint" ); sei.m_sigmoidMidpoint = val; sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_width" ); sei.m_sigmoidWidth = val; break; } case 2: { UInt num = 1u << sei.m_targetBitDepth; sei.m_startOfCodedInterval.resize(num+1); for(i = 0; i < num; i++) { sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "start_of_coded_interval[i]" ); sei.m_startOfCodedInterval[i] = val; } sei.m_startOfCodedInterval[num] = 1u << sei.m_codedDataBitDepth; break; } case 3: { sei_read_code( pDecodedMessageOutputStream, 16, val, "num_pivots" ); sei.m_numPivots = val; sei.m_codedPivotValue.resize(sei.m_numPivots); sei.m_targetPivotValue.resize(sei.m_numPivots); for(i = 0; i < sei.m_numPivots; i++ ) { sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "coded_pivot_value[i]" ); sei.m_codedPivotValue[i] = val; sei_read_code( pDecodedMessageOutputStream, ((( sei.m_targetBitDepth + 7 ) >> 3 ) << 3), val, "target_pivot_value[i]" ); sei.m_targetPivotValue[i] = val; } break; } case 4: { sei_read_code( pDecodedMessageOutputStream, 8, val, "camera_iso_speed_idc" ); sei.m_cameraIsoSpeedIdc = val; if( sei.m_cameraIsoSpeedIdc == 255) //Extended_ISO { sei_read_code( pDecodedMessageOutputStream, 32, val, "camera_iso_speed_value" ); sei.m_cameraIsoSpeedValue = val; } sei_read_code( pDecodedMessageOutputStream, 8, val, "exposure_index_idc" ); sei.m_exposureIndexIdc = val; if( sei.m_exposureIndexIdc == 255) //Extended_ISO { sei_read_code( pDecodedMessageOutputStream, 32, val, "exposure_index_value" ); sei.m_exposureIndexValue = val; } sei_read_flag( pDecodedMessageOutputStream, val, "exposure_compensation_value_sign_flag" ); sei.m_exposureCompensationValueSignFlag = val; sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_numerator" ); sei.m_exposureCompensationValueNumerator = val; sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_denom_idc" ); sei.m_exposureCompensationValueDenomIdc = val; sei_read_code( pDecodedMessageOutputStream, 32, val, "ref_screen_luminance_white" ); sei.m_refScreenLuminanceWhite = val; sei_read_code( pDecodedMessageOutputStream, 32, val, "extended_range_white_level" ); sei.m_extendedRangeWhiteLevel = val; sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_black_level_code_value" ); sei.m_nominalBlackLevelLumaCodeValue = val; sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_white_level_code_value" ); sei.m_nominalWhiteLevelLumaCodeValue= val; sei_read_code( pDecodedMessageOutputStream, 16, val, "extended_white_level_code_value" ); sei.m_extendedWhiteLevelLumaCodeValue = val; break; } default: { assert(!"Undefined SEIToneMapModelId"); break; } }//switch model id }// if(!sei.m_toneMapCancelFlag) } Void SEIReader::xParseSEISOPDescription(SEISOPDescription &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { Int iCode; UInt uiCode; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "sop_seq_parameter_set_id" ); sei.m_sopSeqParameterSetId = uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_pics_in_sop_minus1" ); sei.m_numPicsInSopMinus1 = uiCode; for (UInt i = 0; i <= sei.m_numPicsInSopMinus1; i++) { sei_read_code( pDecodedMessageOutputStream, 6, uiCode, "sop_vcl_nut[i]" ); sei.m_sopDescVclNaluType[i] = uiCode; sei_read_code( pDecodedMessageOutputStream, 3, sei.m_sopDescTemporalId[i], "sop_temporal_id[i]" ); sei.m_sopDescTemporalId[i] = uiCode; if (sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_W_RADL && sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_N_LP) { sei_read_uvlc( pDecodedMessageOutputStream, sei.m_sopDescStRpsIdx[i], "sop_short_term_rps_idx[i]" ); sei.m_sopDescStRpsIdx[i] = uiCode; } if (i > 0) { sei_read_svlc( pDecodedMessageOutputStream, iCode, "sop_poc_delta[i]" ); sei.m_sopDescPocDelta[i] = iCode; } } } #if LAYERS_NOT_PRESENT_SEI Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream) #else Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream) #endif { UInt uiCode; SEIMessages seis; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_flag( pDecodedMessageOutputStream, uiCode, "bitstream_subset_flag" ); sei.m_bitStreamSubsetFlag = uiCode; sei_read_flag( pDecodedMessageOutputStream, uiCode, "nesting_op_flag" ); sei.m_nestingOpFlag = uiCode; if (sei.m_nestingOpFlag) { sei_read_flag( pDecodedMessageOutputStream, uiCode, "default_op_flag" ); sei.m_defaultOpFlag = uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "nesting_num_ops_minus1" ); sei.m_nestingNumOpsMinus1 = uiCode; for (UInt i = sei.m_defaultOpFlag; i <= sei.m_nestingNumOpsMinus1; i++) { sei_read_code( pDecodedMessageOutputStream, 3, uiCode, "nesting_max_temporal_id_plus1[i]" ); sei.m_nestingMaxTemporalIdPlus1[i] = uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "nesting_op_idx[i]" ); sei.m_nestingOpIdx[i] = uiCode; } } else { sei_read_flag( pDecodedMessageOutputStream, uiCode, "all_layers_flag" ); sei.m_allLayersFlag = uiCode; if (!sei.m_allLayersFlag) { sei_read_code( pDecodedMessageOutputStream, 3, uiCode, "nesting_no_op_max_temporal_id_plus1" ); sei.m_nestingNoOpMaxTemporalIdPlus1 = uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "nesting_num_layers_minus1" ); sei.m_nestingNumLayersMinus1 = uiCode; for (UInt i = 0; i <= sei.m_nestingNumLayersMinus1; i++) { sei_read_code( pDecodedMessageOutputStream, 6, uiCode, "nesting_layer_id[i]" ); sei.m_nestingLayerId[i] = uiCode; } } } // byte alignment while ( m_pcBitstream->getNumBitsRead() % 8 != 0 ) { UInt code; sei_read_flag( pDecodedMessageOutputStream, code, "nesting_zero_bit" ); } sei.m_callerOwnsSEIs = false; // read nested SEI messages do { #if O0164_MULTI_LAYER_HRD #if LAYERS_NOT_PRESENT_SEI xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream, &sei); #else xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream, &sei); #endif #else #if LAYERS_NOT_PRESENT_SEI xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream); #else xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream); #endif #endif } while (m_pcBitstream->getNumBitsLeft() > 8); if (pDecodedMessageOutputStream) { (*pDecodedMessageOutputStream) << "End of scalable nesting SEI message\n"; } } Void SEIReader::xParseSEITempMotionConstraintsTileSets(SEITempMotionConstrainedTileSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt code; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_flag( pDecodedMessageOutputStream, code, "mc_all_tiles_exact_sample_value_match_flag"); sei.m_mc_all_tiles_exact_sample_value_match_flag = (code != 0); sei_read_flag( pDecodedMessageOutputStream, code, "each_tile_one_tile_set_flag"); sei.m_each_tile_one_tile_set_flag = (code != 0); if(!sei.m_each_tile_one_tile_set_flag) { sei_read_flag( pDecodedMessageOutputStream, code, "limited_tile_set_display_flag"); sei.m_limited_tile_set_display_flag = (code != 0); sei_read_uvlc( pDecodedMessageOutputStream, code, "num_sets_in_message_minus1"); sei.setNumberOfTileSets(code + 1); if(sei.getNumberOfTileSets() != 0) { for(Int i = 0; i < sei.getNumberOfTileSets(); i++) { sei_read_uvlc( pDecodedMessageOutputStream, code, "mcts_id"); sei.tileSetData(i).m_mcts_id = code; if(sei.m_limited_tile_set_display_flag) { sei_read_flag( pDecodedMessageOutputStream, code, "display_tile_set_flag"); sei.tileSetData(i).m_display_tile_set_flag = (code != 1); } sei_read_uvlc( pDecodedMessageOutputStream, code, "num_tile_rects_in_set_minus1"); sei.tileSetData(i).setNumberOfTileRects(code + 1); for(Int j=0; j 0) { sei_read_code( pDecodedMessageOutputStream, currentTimeSet.timeOffsetLength, code, "time_offset_value"); if((code & (1 << (currentTimeSet.timeOffsetLength-1))) == 0) { currentTimeSet.timeOffsetValue = code; } else { code &= (1<< (currentTimeSet.timeOffsetLength-1)) - 1; currentTimeSet.timeOffsetValue = ~code + 1; } } } sei.timeSetArray[i] = currentTimeSet; } } Void SEIReader::xParseSEIChromaSamplingFilterHint(SEIChromaSamplingFilterHint& sei, UInt payloadSize/*, TComSPS* sps*/, std::ostream *pDecodedMessageOutputStream) { UInt uiCode; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "ver_chroma_filter_idc"); sei.m_verChromaFilterIdc = uiCode; sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "hor_chroma_filter_idc"); sei.m_horChromaFilterIdc = uiCode; sei_read_flag( pDecodedMessageOutputStream, uiCode, "ver_filtering_process_flag"); sei.m_verFilteringProcessFlag = uiCode; if(sei.m_verChromaFilterIdc == 1 || sei.m_horChromaFilterIdc == 1) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "target_format_idc"); sei.m_targetFormatIdc = uiCode; if(sei.m_verChromaFilterIdc == 1) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_vertical_filters"); sei.m_numVerticalFilters = uiCode; if(sei.m_numVerticalFilters > 0) { sei.m_verTapLengthMinus1 = (Int*)malloc(sei.m_numVerticalFilters * sizeof(Int)); sei.m_verFilterCoeff = (Int**)malloc(sei.m_numVerticalFilters * sizeof(Int*)); for(Int i = 0; i < sei.m_numVerticalFilters; i ++) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "ver_tap_length_minus_1"); sei.m_verTapLengthMinus1[i] = uiCode; sei.m_verFilterCoeff[i] = (Int*)malloc(sei.m_verTapLengthMinus1[i] * sizeof(Int)); for(Int j = 0; j < sei.m_verTapLengthMinus1[i]; j ++) { sei_read_svlc( pDecodedMessageOutputStream, sei.m_verFilterCoeff[i][j], "ver_filter_coeff"); } } } } if(sei.m_horChromaFilterIdc == 1) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_horizontal_filters"); sei.m_numHorizontalFilters = uiCode; if(sei.m_numHorizontalFilters > 0) { sei.m_horTapLengthMinus1 = (Int*)malloc(sei.m_numHorizontalFilters * sizeof(Int)); sei.m_horFilterCoeff = (Int**)malloc(sei.m_numHorizontalFilters * sizeof(Int*)); for(Int i = 0; i < sei.m_numHorizontalFilters; i ++) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "hor_tap_length_minus_1"); sei.m_horTapLengthMinus1[i] = uiCode; sei.m_horFilterCoeff[i] = (Int*)malloc(sei.m_horTapLengthMinus1[i] * sizeof(Int)); for(Int j = 0; j < sei.m_horTapLengthMinus1[i]; j ++) { sei_read_svlc( pDecodedMessageOutputStream, sei.m_horFilterCoeff[i][j], "hor_filter_coeff"); } } } } } } Void SEIReader::xParseSEIKneeFunctionInfo(SEIKneeFunctionInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { Int i; UInt val; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_uvlc( pDecodedMessageOutputStream, val, "knee_function_id" ); sei.m_kneeId = val; sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_cancel_flag" ); sei.m_kneeCancelFlag = val; if ( !sei.m_kneeCancelFlag ) { sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_persistence_flag" ); sei.m_kneePersistenceFlag = val; sei_read_code( pDecodedMessageOutputStream, 32, val, "input_d_range" ); sei.m_kneeInputDrange = val; sei_read_code( pDecodedMessageOutputStream, 32, val, "input_disp_luminance" ); sei.m_kneeInputDispLuminance = val; sei_read_code( pDecodedMessageOutputStream, 32, val, "output_d_range" ); sei.m_kneeOutputDrange = val; sei_read_code( pDecodedMessageOutputStream, 32, val, "output_disp_luminance" ); sei.m_kneeOutputDispLuminance = val; sei_read_uvlc( pDecodedMessageOutputStream, val, "num_knee_points_minus1" ); sei.m_kneeNumKneePointsMinus1 = val; assert( sei.m_kneeNumKneePointsMinus1 > 0 ); sei.m_kneeInputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1); sei.m_kneeOutputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1); for(i = 0; i <= sei.m_kneeNumKneePointsMinus1; i++ ) { sei_read_code( pDecodedMessageOutputStream, 10, val, "input_knee_point" ); sei.m_kneeInputKneePoint[i] = val; sei_read_code( pDecodedMessageOutputStream, 10, val, "output_knee_point" ); sei.m_kneeOutputKneePoint[i] = val; } } } Void SEIReader::xParseSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt code; output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize); sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[0]" ); sei.values.primaries[0][0] = code; sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[0]" ); sei.values.primaries[0][1] = code; sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[1]" ); sei.values.primaries[1][0] = code; sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[1]" ); sei.values.primaries[1][1] = code; sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[2]" ); sei.values.primaries[2][0] = code; sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[2]" ); sei.values.primaries[2][1] = code; sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_x" ); sei.values.whitePoint[0] = code; sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_y" ); sei.values.whitePoint[1] = code; sei_read_code( pDecodedMessageOutputStream, 32, code, "max_display_mastering_luminance" ); sei.values.maxLuminance = code; sei_read_code( pDecodedMessageOutputStream, 32, code, "min_display_mastering_luminance" ); sei.values.minLuminance = code; } #if Q0074_COLOUR_REMAPPING_SEI Void SEIReader::xParseSEIColourRemappingInfo(SEIColourRemappingInfo& sei, UInt /*payloadSize*/, std::ostream *pDecodedMessageOutputStream) { UInt uiVal; Int iVal; sei_read_uvlc( pDecodedMessageOutputStream, uiVal, "colour_remap_id" ); sei.m_colourRemapId = uiVal; sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_cancel_flag" ); sei.m_colourRemapCancelFlag = uiVal; if( !sei.m_colourRemapCancelFlag ) { sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_persistence_flag" ); sei.m_colourRemapPersistenceFlag = uiVal; sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_video_signal_info_present_flag" ); sei.m_colourRemapVideoSignalInfoPresentFlag = uiVal; if ( sei.m_colourRemapVideoSignalInfoPresentFlag ) { sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_full_range_flag" ); sei.m_colourRemapFullRangeFlag = uiVal; sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_primaries" ); sei.m_colourRemapPrimaries = uiVal; sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_transfer_function" ); sei.m_colourRemapTransferFunction = uiVal; sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_matrix_coefficients" ); sei.m_colourRemapMatrixCoefficients = uiVal; } sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_input_bit_depth" ); sei.m_colourRemapInputBitDepth = uiVal; sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_bit_depth" ); sei.m_colourRemapBitDepth = uiVal; for( Int c=0 ; c<3 ; c++ ) { sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "pre_lut_num_val_minus1[c]" ); sei.m_preLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal; sei.m_preLutCodedValue[c].resize(sei.m_preLutNumValMinus1[c]+1); sei.m_preLutTargetValue[c].resize(sei.m_preLutNumValMinus1[c]+1); if( uiVal> 0 ) for ( Int i=0 ; i<=sei.m_preLutNumValMinus1[c] ; i++ ) { sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapInputBitDepth + 7 ) >> 3 ) << 3, uiVal, "pre_lut_coded_value[c][i]" ); sei.m_preLutCodedValue[c][i] = uiVal; sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "pre_lut_target_value[c][i]" ); sei.m_preLutTargetValue[c][i] = uiVal; } else // pre_lut_num_val_minus1[c] == 0 { sei.m_preLutCodedValue[c][0] = 0; sei.m_preLutTargetValue[c][0] = 0; sei.m_preLutCodedValue[c][1] = (1 << sei.m_colourRemapInputBitDepth) - 1 ; sei.m_preLutTargetValue[c][1] = (1 << sei.m_colourRemapBitDepth) - 1 ; } } sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_matrix_present_flag" ); sei.m_colourRemapMatrixPresentFlag = uiVal; if( sei.m_colourRemapMatrixPresentFlag ) { sei_read_code( pDecodedMessageOutputStream, 4, uiVal, "log2_matrix_denom" ); sei.m_log2MatrixDenom = uiVal; for ( Int c=0 ; c<3 ; c++ ) for ( Int i=0 ; i<3 ; i++ ) { sei_read_svlc( pDecodedMessageOutputStream, iVal, "colour_remap_coeffs[c][i]" ); sei.m_colourRemapCoeffs[c][i] = iVal; } } else // setting default matrix (I3) { sei.m_log2MatrixDenom = 0; for ( Int c=0 ; c<3 ; c++ ) for ( Int i=0 ; i<3 ; i++ ) sei.m_colourRemapCoeffs[c][i] = (c==i) ? 1 : 0; } for( Int c=0 ; c<3 ; c++ ) { sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "post_lut_num_val_minus1[c]" ); sei.m_postLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal; sei.m_postLutCodedValue[c].resize(sei.m_postLutNumValMinus1[c]+1); sei.m_postLutTargetValue[c].resize(sei.m_postLutNumValMinus1[c]+1); if( uiVal > 0 ) for ( Int i=0 ; i<=sei.m_postLutNumValMinus1[c] ; i++ ) { sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_coded_value[c][i]" ); sei.m_postLutCodedValue[c][i] = uiVal; sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_target_value[c][i]" ); sei.m_postLutTargetValue[c][i] = uiVal; } else { sei.m_postLutCodedValue[c][0] = 0; sei.m_postLutTargetValue[c][0] = 0; sei.m_postLutTargetValue[c][1] = (1 << sei.m_colourRemapBitDepth) - 1; sei.m_postLutCodedValue[c][1] = (1 << sei.m_colourRemapBitDepth) - 1; } } } } #endif #if SVC_EXTENSION #if LAYERS_NOT_PRESENT_SEI Void SEIReader::xParseSEILayersNotPresent(SEILayersNotPresent &sei, UInt payloadSize, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream) { UInt uiCode; UInt i = 0; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "lp_sei_active_vps_id" ); sei.m_activeVpsId = uiCode; assert(vps->getVPSId() == sei.m_activeVpsId); sei.m_vpsMaxLayers = vps->getMaxLayers(); for (; i < sei.m_vpsMaxLayers; i++) { sei_read_flag( pDecodedMessageOutputStream, uiCode, "layer_not_present_flag" ); sei.m_layerNotPresentFlag[i] = uiCode ? true : false; } for (; i < MAX_LAYERS; i++) { sei.m_layerNotPresentFlag[i] = false; } } #endif #if N0383_IL_CONSTRAINED_TILE_SETS_SEI Void SEIReader::xParseSEIInterLayerConstrainedTileSets (SEIInterLayerConstrainedTileSets &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt uiCode; sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_all_tiles_exact_sample_value_match_flag" ); sei.m_ilAllTilesExactSampleValueMatchFlag = uiCode; sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_one_tile_per_tile_set_flag" ); sei.m_ilOneTilePerTileSetFlag = uiCode; if( !sei.m_ilOneTilePerTileSetFlag ) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_num_sets_in_message_minus1" ); sei.m_ilNumSetsInMessageMinus1 = uiCode; if( sei.m_ilNumSetsInMessageMinus1 ) { sei_read_flag( pDecodedMessageOutputStream, uiCode, "skipped_tile_set_present_flag" ); sei.m_skippedTileSetPresentFlag = uiCode; } else { sei.m_skippedTileSetPresentFlag = false; } UInt numSignificantSets = sei.m_ilNumSetsInMessageMinus1 - (sei.m_skippedTileSetPresentFlag ? 1 : 0) + 1; for( UInt i = 0; i < numSignificantSets; i++ ) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "ilcts_id" ); sei.m_ilctsId[i] = uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_num_tile_rects_in_set_minus1" ) ;sei.m_ilNumTileRectsInSetMinus1[i] = uiCode; for( UInt j = 0; j <= sei.m_ilNumTileRectsInSetMinus1[i]; j++ ) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_top_left_tile_index" ); sei.m_ilTopLeftTileIndex[i][j] = uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_bottom_right_tile_index" ); sei.m_ilBottomRightTileIndex[i][j] = uiCode; } sei_read_code( pDecodedMessageOutputStream, 2, uiCode, "ilc_idc" ); sei.m_ilcIdc[i] = uiCode; if( sei.m_ilAllTilesExactSampleValueMatchFlag ) { sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_exact_sample_value_match_flag" ); sei.m_ilExactSampleValueMatchFlag[i] = uiCode; } } } else { sei_read_code( pDecodedMessageOutputStream, 2, uiCode, "all_tiles_ilc_idc" ); sei.m_allTilesIlcIdc = uiCode; } } #endif #if SUB_BITSTREAM_PROPERTY_SEI Void SEIReader::xParseSEISubBitstreamProperty(SEISubBitstreamProperty &sei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream) { UInt uiCode; sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "active_vps_id" ); sei.m_activeVpsId = uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_additional_sub_streams_minus1" ); sei.m_numAdditionalSubStreams = uiCode + 1; for( Int i = 0; i < sei.m_numAdditionalSubStreams; i++ ) { sei_read_code( pDecodedMessageOutputStream, 2, uiCode, "sub_bitstream_mode[i]" ); sei.m_subBitstreamMode[i] = uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "output_layer_set_idx_to_vps[i]" ); // The value of output_layer_set_idx_to_vps[ i ] shall be in the range of 0 to NumOutputLayerSets − 1, inclusive. assert(uiCode > 0 && uiCode <= vps->getNumOutputLayerSets()-1); sei.m_outputLayerSetIdxToVps[i] = uiCode; sei_read_code( pDecodedMessageOutputStream, 3, uiCode, "highest_sub_layer_id[i]" ); sei.m_highestSublayerId[i] = uiCode; sei_read_code( pDecodedMessageOutputStream, 16, uiCode, "avg_bit_rate[i]" ); sei.m_avgBitRate[i] = uiCode; sei_read_code( pDecodedMessageOutputStream, 16, uiCode, "max_bit_rate[i]" ); sei.m_maxBitRate[i] = uiCode; } } #endif #if O0164_MULTI_LAYER_HRD #if LAYERS_NOT_PRESENT_SEI Void SEIReader::xParseSEIBspNesting(SEIBspNesting &sei, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, const SEIScalableNesting &nestingSei, std::ostream *pDecodedMessageOutputStream) #else Void SEIReader::xParseSEIBspNesting(SEIBspNesting &sei, const NalUnitType nalUnitType, const TComSPS *sps, const SEIScalableNesting &nestingSei, std::ostream *pDecodedMessageOutputStream) #endif { UInt uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bsp_idx" ); sei.m_bspIdx = uiCode; // byte alignment while ( m_pcBitstream->getNumBitsRead() % 8 != 0 ) { UInt code; sei_read_flag( pDecodedMessageOutputStream, code, "bsp_nesting_zero_bit" ); } sei.m_callerOwnsSEIs = false; // read nested SEI messages Int numSeiMessages = 0; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_seis_in_bsp_minus1" ); assert( uiCode <= MAX_SEIS_IN_BSP_NESTING ); numSeiMessages = uiCode; for(Int i = 0; i < numSeiMessages; i++) { xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream, &nestingSei, &sei); } } Void SEIReader::xParseSEIBspInitialArrivalTime(SEIBspInitialArrivalTime &sei, const TComVPS *vps, const TComSPS *sps, const SEIScalableNesting &nestingSei, const SEIBspNesting &bspNestingSei, std::ostream *pDecodedMessageOutputStream) { assert(vps->getVpsVuiPresentFlag()); UInt uiCode; Int psIdx = bspNestingSei.m_seiPartitioningSchemeIdx; Int seiOlsIdx = bspNestingSei.m_seiOlsIdx; Int maxTemporalId = nestingSei.m_nestingMaxTemporalIdPlus1[0]; Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1; std::vector hrdIdx(0, maxValues); std::vector hrdVec; std::vector syntaxElemLen; for(Int i = 0; i < maxValues; i++) { hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei.m_bspIdx); hrdVec[i] = vps->getBspHrd(hrdIdx[i]); syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1; if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) ) { assert( syntaxElemLen[i] == 24 ); // Default value of init_cpb_removal_delay_length_minus1 is 23 } if( i > 0 ) { assert( hrdVec[i]->getNalHrdParametersPresentFlag() == hrdVec[i-1]->getNalHrdParametersPresentFlag() ); assert( hrdVec[i]->getVclHrdParametersPresentFlag() == hrdVec[i-1]->getVclHrdParametersPresentFlag() ); } } if (hrdVec[0]->getNalHrdParametersPresentFlag()) { for(UInt i = 0; i < maxValues; i++) { sei_read_code( pDecodedMessageOutputStream, syntaxElemLen[i], uiCode, "nal_initial_arrival_delay[i]" ); sei.m_nalInitialArrivalDelay[i] = uiCode; } } if( hrdVec[0]->getVclHrdParametersPresentFlag() ) { for(UInt i = 0; i < maxValues; i++) { sei_read_code( pDecodedMessageOutputStream, syntaxElemLen[i], uiCode, "vcl_initial_arrival_delay[i]" ); sei.m_vclInitialArrivalDelay[i] = uiCode; } } } Void SEIReader::xParseHrdParameters(TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1, std::ostream *pDecodedMessageOutputStream) { UInt uiCode; if( commonInfPresentFlag ) { sei_read_flag( pDecodedMessageOutputStream, uiCode, "nal_hrd_parameters_present_flag" ); hrd->setNalHrdParametersPresentFlag( uiCode == 1 ? true : false ); sei_read_flag( pDecodedMessageOutputStream, uiCode, "vcl_hrd_parameters_present_flag" ); hrd->setVclHrdParametersPresentFlag( uiCode == 1 ? true : false ); if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() ) { sei_read_flag( pDecodedMessageOutputStream, uiCode, "sub_pic_cpb_params_present_flag" ); hrd->setSubPicCpbParamsPresentFlag( uiCode == 1 ? true : false ); if( hrd->getSubPicCpbParamsPresentFlag() ) { sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "tick_divisor_minus2" ); hrd->setTickDivisorMinus2( uiCode ); sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "du_cpb_removal_delay_length_minus1" ); hrd->setDuCpbRemovalDelayLengthMinus1( uiCode ); sei_read_flag( pDecodedMessageOutputStream, uiCode, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); hrd->setSubPicCpbParamsInPicTimingSEIFlag( uiCode == 1 ? true : false ); sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "dpb_output_delay_du_length_minus1" ); hrd->setDpbOutputDelayDuLengthMinus1( uiCode ); } sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "bit_rate_scale" ); hrd->setBitRateScale( uiCode ); sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "cpb_size_scale" ); hrd->setCpbSizeScale( uiCode ); if( hrd->getSubPicCpbParamsPresentFlag() ) { sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "cpb_size_du_scale" ); hrd->setDuCpbSizeScale( uiCode ); } sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "initial_cpb_removal_delay_length_minus1" ); hrd->setInitialCpbRemovalDelayLengthMinus1( uiCode ); sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "au_cpb_removal_delay_length_minus1" ); hrd->setCpbRemovalDelayLengthMinus1( uiCode ); sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "dpb_output_delay_length_minus1" ); hrd->setDpbOutputDelayLengthMinus1( uiCode ); } } Int i, j, nalOrVcl; for( i = 0; i <= maxNumSubLayersMinus1; i ++ ) { sei_read_flag( pDecodedMessageOutputStream, uiCode, "fixed_pic_rate_general_flag" ); hrd->setFixedPicRateFlag( i, uiCode == 1 ? true : false ); if( !hrd->getFixedPicRateFlag( i ) ) { sei_read_flag( pDecodedMessageOutputStream, uiCode, "fixed_pic_rate_within_cvs_flag" ); hrd->setFixedPicRateWithinCvsFlag( i, uiCode == 1 ? true : false ); } else { hrd->setFixedPicRateWithinCvsFlag( i, true ); } hrd->setLowDelayHrdFlag( i, 0 ); // Infered to be 0 when not present hrd->setCpbCntMinus1 ( i, 0 ); // Infered to be 0 when not present if( hrd->getFixedPicRateWithinCvsFlag( i ) ) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "elemental_duration_in_tc_minus1" ); hrd->setPicDurationInTcMinus1( i, uiCode ); } else { sei_read_flag( pDecodedMessageOutputStream, uiCode, "low_delay_hrd_flag" ); hrd->setLowDelayHrdFlag( i, uiCode == 1 ? true : false ); } if (!hrd->getLowDelayHrdFlag( i )) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_cnt_minus1" ); hrd->setCpbCntMinus1( i, uiCode ); } for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) { if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) || ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) ) { for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ ) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bit_rate_value_minus1" ); hrd->setBitRateValueMinus1( i, j, nalOrVcl, uiCode ); sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_size_value_minus1" ); hrd->setCpbSizeValueMinus1( i, j, nalOrVcl, uiCode ); if( hrd->getSubPicCpbParamsPresentFlag() ) { sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_size_du_value_minus1" ); hrd->setDuCpbSizeValueMinus1( i, j, nalOrVcl, uiCode ); sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bit_rate_du_value_minus1" ); hrd->setDuBitRateValueMinus1( i, j, nalOrVcl, uiCode ); } sei_read_flag( pDecodedMessageOutputStream, uiCode, "cbr_flag" ); hrd->setCbrFlag( i, j, nalOrVcl, uiCode == 1 ? true : false ); } } } } } #endif #if P0123_ALPHA_CHANNEL_SEI void SEIReader::xParseSEIAlphaChannelInfo(SEIAlphaChannelInfo &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt value; sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_cancel_flag"); sei.m_alphaChannelCancelFlag = value; if(!sei.m_alphaChannelCancelFlag) { sei_read_code(pDecodedMessageOutputStream, 3, value, "alpha_channel_use_idc"); sei.m_alphaChannelUseIdc = value; sei_read_code(pDecodedMessageOutputStream, 3, value, "alpha_channel_bit_depth_minus8"); sei.m_alphaChannelBitDepthMinus8 = value; sei_read_code(pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8 + 9, value, "alpha_transparent_value"); sei.m_alphaTransparentValue = value; sei_read_code(pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8 + 9, value, "alpha_opaque_value"); sei.m_alphaOpaqueValue = value; sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_incr_flag"); sei.m_alphaChannelIncrFlag = value; sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_clip_flag"); sei.m_alphaChannelClipFlag = value; if(sei.m_alphaChannelClipFlag) { sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_clip_type_flag"); sei.m_alphaChannelClipTypeFlag = value; } } } #endif #if Q0096_OVERLAY_SEI Void SEIReader::xParseSEIOverlayInfo(SEIOverlayInfo& sei, UInt /*payloadSize*/, std::ostream *pDecodedMessageOutputStream) { Int i, j; UInt val; sei_read_flag( pDecodedMessageOutputStream, val, "overlay_info_cancel_flag" ); sei.m_overlayInfoCancelFlag = val; if ( !sei.m_overlayInfoCancelFlag ) { sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_content_aux_id_minus128" ); sei.m_overlayContentAuxIdMinus128 = val; sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_label_aux_id_minus128" ); sei.m_overlayLabelAuxIdMinus128 = val; sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_alpha_aux_id_minus128" ); sei.m_overlayAlphaAuxIdMinus128 = val; sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_element_label_value_length_minus8" ); sei.m_overlayElementLabelValueLengthMinus8 = val; sei_read_uvlc( pDecodedMessageOutputStream, val, "num_overlays_minus1" ); sei.m_numOverlaysMinus1 = val; assert( sei.m_numOverlaysMinus1 < MAX_OVERLAYS ); sei.m_overlayIdx.resize( sei.m_numOverlaysMinus1+1 ); sei.m_languageOverlayPresentFlag.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayContentLayerId.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayLabelPresentFlag.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayLabelLayerId.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayAlphaPresentFlag.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayAlphaLayerId.resize( sei.m_numOverlaysMinus1+1 ); sei.m_numOverlayElementsMinus1.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayElementLabelMin.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayElementLabelMax.resize( sei.m_numOverlaysMinus1+1 ); for ( i=0 ; i<=sei.m_numOverlaysMinus1 ; i++ ) { sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_idx" ); sei.m_overlayIdx[i] = val; sei_read_flag( pDecodedMessageOutputStream, val, "language_overlay_present_flag" ); sei.m_languageOverlayPresentFlag[i] = val; sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_content_layer_id"); sei.m_overlayContentLayerId[i] = val; sei_read_flag( pDecodedMessageOutputStream, val, "overlay_label_present_flag" ); sei.m_overlayLabelPresentFlag[i] = val; if ( sei.m_overlayLabelPresentFlag[i] ) { sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_label_layer_id"); sei.m_overlayLabelLayerId[i] = val; } sei_read_flag( pDecodedMessageOutputStream, val, "overlay_alpha_present_flag" ); sei.m_overlayAlphaPresentFlag[i] = val; if ( sei.m_overlayAlphaPresentFlag[i] ) { sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_alpha_layer_id"); sei.m_overlayAlphaLayerId[i] = val; } if ( sei.m_overlayLabelPresentFlag[i] ) { sei_read_uvlc( pDecodedMessageOutputStream, val, "num_overlay_elements_minus1"); sei.m_numOverlayElementsMinus1[i] = val; assert( sei.m_numOverlayElementsMinus1[i] < MAX_OVERLAY_ELEMENTS ); sei.m_overlayElementLabelMin[i].resize( sei.m_numOverlayElementsMinus1[i]+1 ); sei.m_overlayElementLabelMax[i].resize( sei.m_numOverlayElementsMinus1[i]+1 ); for ( j=0 ; j<=sei.m_numOverlayElementsMinus1[i] ; j++ ) { sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, val, "overlay_element_label_min"); sei.m_overlayElementLabelMin[i][j] = val; sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, val, "overlay_element_label_max"); sei.m_overlayElementLabelMax[i][j] = val; } } else { sei.m_numOverlayElementsMinus1[i] = 0; } } // byte alignment while ( m_pcBitstream->getNumBitsRead() % 8 != 0 ) { sei_read_flag( pDecodedMessageOutputStream, val, "overlay_zero_bit" ); assert( val==0 ); } UChar* sval = new UChar[MAX_OVERLAY_STRING_BYTES]; UInt slen; sei.m_overlayLanguage.resize( sei.m_numOverlaysMinus1+1, NULL ); sei.m_overlayLanguageLength.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayName.resize( sei.m_numOverlaysMinus1+1, NULL ); sei.m_overlayNameLength.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayElementName.resize( sei.m_numOverlaysMinus1+1 ); sei.m_overlayElementNameLength.resize( sei.m_numOverlaysMinus1+1 ); for ( i=0 ; i<=sei.m_numOverlaysMinus1 ; i++ ) { if ( sei.m_languageOverlayPresentFlag[i] ) { READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_language" ); sei.m_overlayLanguage[i] = new UChar[slen]; memcpy(sei.m_overlayLanguage[i], sval, slen); sei.m_overlayLanguageLength[i] = slen; } READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_name" ); sei.m_overlayName[i] = new UChar[slen]; memcpy(sei.m_overlayName[i], sval, slen); sei.m_overlayNameLength[i] = slen; if ( sei.m_overlayLabelPresentFlag[i] ) { sei.m_overlayElementName[i].resize( sei.m_numOverlayElementsMinus1[i]+1, NULL ); sei.m_overlayElementNameLength[i].resize( sei.m_numOverlayElementsMinus1[i]+1 ); for ( j=0 ; j<=sei.m_numOverlayElementsMinus1[i] ; j++) { READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_element_name" ); sei.m_overlayElementName[i][j] = new UChar[slen]; memcpy(sei.m_overlayElementName[i][j], sval, slen); sei.m_overlayElementNameLength[i][j] = slen; } } } sei_read_flag( pDecodedMessageOutputStream, val, "overlay_info_persistence_flag" ); sei.m_overlayInfoPersistenceFlag = val; } } #endif #if P0138_USE_ALT_CPB_PARAMS_FLAG /** * Check if SEI message contains payload extension */ Bool SEIReader::xPayloadExtensionPresent() { Int payloadBitsRemaining = getBitstream()->getNumBitsLeft(); Bool payloadExtensionPresent = false; if (payloadBitsRemaining > 8) { payloadExtensionPresent = true; } else { Int finalBits = getBitstream()->peekBits(payloadBitsRemaining); while (payloadBitsRemaining && (finalBits & 1) == 0) { payloadBitsRemaining--; finalBits >>= 1; } payloadBitsRemaining--; if (payloadBitsRemaining > 0) { payloadExtensionPresent = true; } } return payloadExtensionPresent; } #endif #if Q0189_TMVP_CONSTRAINTS Void SEIReader::xParseSEITMVPConstraints (SEITMVPConstrains& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "prev_pics_not_used_flag" ); sei.prev_pics_not_used_flag = uiCode; sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "no_intra_layer_col_pic_flag" ); sei.no_intra_layer_col_pic_flag = uiCode; } #endif #if Q0247_FRAME_FIELD_INFO Void SEIReader::xParseSEIFrameFieldInfo (SEIFrameFieldInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream) { UInt code; sei_read_code( pDecodedMessageOutputStream, 4, code, "ffinfo_pic_struct" ); sei.m_ffinfo_picStruct = code; sei_read_code( pDecodedMessageOutputStream, 2, code, "ffinfo_source_scan_type" ); sei.m_ffinfo_sourceScanType = code; sei_read_flag( pDecodedMessageOutputStream, code, "ffinfo_duplicate_flag" ); sei.m_ffinfo_duplicateFlag = ( code == 1 ? true : false ); } #endif #endif //SVC_EXTENSION //! \}