diff --git a/source/App/EncoderApp/EncApp.cpp b/source/App/EncoderApp/EncApp.cpp
index 67e6035536c719ae61a30d11bb7b1c0ed3f5f90b..dfcf10f562179ea5be3bb59699b8c4ffc15716c7 100644
--- a/source/App/EncoderApp/EncApp.cpp
+++ b/source/App/EncoderApp/EncApp.cpp
@@ -1237,6 +1237,9 @@ void EncApp::xInitLibCfg( int layerIdx )
m_cEncLib.setNNPostFilterSEICharacteristicsInputPicOutputFlag( m_nnPostFilterSEICharacteristicsInputPicOutputFlag[i], i);
#endif
}
+#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
+ m_cEncLib.setNNPostFilterSEICharacteristicsAbsentInputPicZeroFlag (m_nnPostFilterSEICharacteristicsAbsentInputPicZeroFlag[i], i);
+#endif
m_cEncLib.setNNPostFilterSEICharacteristicsComponentLastFlag (m_nnPostFilterSEICharacteristicsComponentLastFlag[i], i);
m_cEncLib.setNNPostFilterSEICharacteristicsInpFormatIdc (m_nnPostFilterSEICharacteristicsInpFormatIdc[i], i);
if (m_cEncLib.getNNPostFilterSEICharacteristicsInpFormatIdc(i) == 1)
diff --git a/source/App/EncoderApp/EncAppCfg.cpp b/source/App/EncoderApp/EncAppCfg.cpp
index a33062a74e838adc7086e49cdd9cd15beca20f19..fb0382f9fb47f9351ce8f30df9281a09ff0c2103 100644
--- a/source/App/EncoderApp/EncAppCfg.cpp
+++ b/source/App/EncoderApp/EncAppCfg.cpp
@@ -1931,6 +1931,11 @@ bool EncAppCfg::parseCfg( int argc, char* argv[] )
std::ostringstream InputPicOutputFlag;
InputPicOutputFlag << "SEINNPFCInputPicOutputFlag" << i;
opts.addOptions()(InputPicOutputFlag.str(), cfg_nnPostFilterSEICharacteristicsInputPicOutputFlagList[i], cfg_nnPostFilterSEICharacteristicsInputPicOutputFlagList[i], "Indicates whether NNPF will generate a corresponding output picture for the input picture");
+#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
+ std::ostringstream absentInputPicZeroFlag;
+ absentInputPicZeroFlag << "SEINNPFCAbsentInputPicZeroFlag" << i;
+ opts.addOptions()(absentInputPicZeroFlag.str(), m_nnPostFilterSEICharacteristicsAbsentInputPicZeroFlag[i], false, "Specifies the value of nnpfc_absent_input_pic_zero_flag in the Neural Network Post Filter Characteristics SEI message");
+#endif
opts.addOptions()("SEINNPostFilterActivationEnabled", m_nnPostFilterSEIActivationEnabled, false, "Control use of the Neural Network Post Filter SEI on current picture");
opts.addOptions()("SEINNPostFilterActivationTargetId", m_nnPostFilterSEIActivationTargetId, 0u, "Target id of the Neural Network Post Filter on current picture");
diff --git a/source/App/EncoderApp/EncAppCfg.h b/source/App/EncoderApp/EncAppCfg.h
index d39b81d355ccefc7fec0cee4a8c3e34e637b54d4..7c8a2f85a8c30afefbb5f2fac54259806280f516 100644
--- a/source/App/EncoderApp/EncAppCfg.h
+++ b/source/App/EncoderApp/EncAppCfg.h
@@ -778,6 +778,9 @@ protected:
uint32_t m_nnPostFilterSEICharacteristicsNumberInputDecodedPicturesMinus1[MAX_NUM_NN_POST_FILTERS];
std::vector<uint32_t> m_nnPostFilterSEICharacteristicsNumberInterpolatedPictures[MAX_NUM_NN_POST_FILTERS];
std::vector<bool> m_nnPostFilterSEICharacteristicsInputPicOutputFlag[MAX_NUM_NN_POST_FILTERS];
+#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
+ bool m_nnPostFilterSEICharacteristicsAbsentInputPicZeroFlag[MAX_NUM_NN_POST_FILTERS];
+#endif
bool m_nnPostFilterSEIActivationCancelFlag;
bool m_nnPostFilterSEIActivationPersistenceFlag;
diff --git a/source/Lib/CommonLib/SEI.h b/source/Lib/CommonLib/SEI.h
index 1e805979197960fd7d7c6112eebcc12e1036fc8d..27a56a76fe4aa696e71ddfe7b403b837c6a8ef5e 100644
--- a/source/Lib/CommonLib/SEI.h
+++ b/source/Lib/CommonLib/SEI.h
@@ -1310,6 +1310,9 @@ public:
uint32_t m_numberInputDecodedPicturesMinus1;
std::vector<uint32_t> m_numberInterpolatedPictures;
std::vector<bool> m_inputPicOutputFlag;
+#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
+ bool m_absentInputPicZeroFlag;
+#endif
};
class SEINeuralNetworkPostFilterActivation : public SEI
diff --git a/source/Lib/CommonLib/TypeDef.h b/source/Lib/CommonLib/TypeDef.h
index 1a0cbdb5f7e0e59402ee547e3dfca0f2ed1cc594..7ced86074848de925edb8570278ccdc81fff7903 100644
--- a/source/Lib/CommonLib/TypeDef.h
+++ b/source/Lib/CommonLib/TypeDef.h
@@ -65,6 +65,8 @@
#define JVET_AD0067_SWAP_SYNTAX 1 // Swap the two syntax elements: nnpfc_auxiliary_inp_idc and nnpfc_inp_order_idc
+#define JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG 1
+
//########### place macros to be be kept below this line ###############
#define GDR_ENABLED 1
diff --git a/source/Lib/DecoderLib/SEIread.cpp b/source/Lib/DecoderLib/SEIread.cpp
index 4dd8125bb6b42f65afedd5fcbee5fefe453f9466..e858283ab73fc989fea3848c19a8e6b81b961c95 100644
--- a/source/Lib/DecoderLib/SEIread.cpp
+++ b/source/Lib/DecoderLib/SEIread.cpp
@@ -2853,6 +2853,10 @@ void SEIReader::xParseSEINNPostFilterCharacteristics(SEINeuralNetworkPostFilterC
{
CHECK(!atLeastOne, "When picRateUpsamplingFlag is equal to 0 and nnpfc_num_input_pics_minus1 is greater than 0, at least one value of nnpfc_input_pic_output_flag[i] shall be greater than 0");
}
+#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
+ sei_read_flag(pDecodedMessageOutputStream, val, "nnpfc_absent_input_pic_zero_flag");
+ sei.m_absentInputPicZeroFlag = val;
+#endif
}
else
{
diff --git a/source/Lib/EncoderLib/EncCfg.h b/source/Lib/EncoderLib/EncCfg.h
index dfd54adf4d40ecb0ee6d5efc51f42746d79e4935..3cb30494ecd292899789138f0d06ee57a9b8cd50 100644
--- a/source/Lib/EncoderLib/EncCfg.h
+++ b/source/Lib/EncoderLib/EncCfg.h
@@ -740,6 +740,9 @@ protected:
uint32_t m_nnPostFilterSEICharacteristicsNumberInputDecodedPicturesMinus1[MAX_NUM_NN_POST_FILTERS];
std::vector<uint32_t> m_nnPostFilterSEICharacteristicsNumberInterpolatedPictures[MAX_NUM_NN_POST_FILTERS];
std::vector<bool> m_nnPostFilterSEICharacteristicsInputPicOutputFlag[MAX_NUM_NN_POST_FILTERS];
+#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
+ bool m_nnPostFilterSEICharacteristicsAbsentInputPicZeroFlag[MAX_NUM_NN_POST_FILTERS];
+#endif
bool m_nnPostFilterSEIActivationEnabled;
uint32_t m_nnPostFilterSEIActivationTargetId;
@@ -2020,6 +2023,10 @@ public:
const std::vector<uint32_t>& getNNPostFilterSEICharacteristicsNumberInterpolatedPictures(int filterIdx) { return m_nnPostFilterSEICharacteristicsNumberInterpolatedPictures[filterIdx]; }
void setNNPostFilterSEICharacteristicsInputPicOutputFlag(std::vector<bool> value, int filterIdx) { m_nnPostFilterSEICharacteristicsInputPicOutputFlag[filterIdx] = value; }
const std::vector<bool>& getNNPostFilterSEICharacteristicsInputPicOutputFlag(int filterIdx) { return m_nnPostFilterSEICharacteristicsInputPicOutputFlag[filterIdx]; }
+#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
+ void setNNPostFilterSEICharacteristicsAbsentInputPicZeroFlag(bool absentInputPicZeroFlag, int filterIdx) { m_nnPostFilterSEICharacteristicsAbsentInputPicZeroFlag[filterIdx] = absentInputPicZeroFlag; }
+ bool getNNPostFilterSEICharacteristicsAbsentInputPicZeroFlag(int filterIdx) const { return m_nnPostFilterSEICharacteristicsAbsentInputPicZeroFlag[filterIdx]; }
+#endif
void setNnPostFilterSEIActivationEnabled(bool enabledFlag) { m_nnPostFilterSEIActivationEnabled = enabledFlag; }
bool getNnPostFilterSEIActivationEnabled() const { return m_nnPostFilterSEIActivationEnabled; }
void setNnPostFilterSEIActivationTargetId(uint32_t targetId) { m_nnPostFilterSEIActivationTargetId = targetId; }
diff --git a/source/Lib/EncoderLib/SEIEncoder.cpp b/source/Lib/EncoderLib/SEIEncoder.cpp
index 68d9ce5249645cdd603710cb261c8d0a550afa0f..fa0b01e7c2d01bdcf4cdc430306b391b22f7bee3 100644
--- a/source/Lib/EncoderLib/SEIEncoder.cpp
+++ b/source/Lib/EncoderLib/SEIEncoder.cpp
@@ -1325,6 +1325,10 @@ void SEIEncoder::initSEINeuralNetworkPostFilterCharacteristics(SEINeuralNetworkP
sei->m_inputPicOutputFlag = m_pcCfg->getNNPostFilterSEICharacteristicsInputPicOutputFlag(filterIdx);
#endif
+#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
+ sei->m_absentInputPicZeroFlag = m_pcCfg->getNNPostFilterSEICharacteristicsAbsentInputPicZeroFlag(filterIdx);
+#endif
+
if((sei->m_purpose & NNPC_PurposeType::CHROMA_UPSAMPLING) != 0)
{
sei->m_outSubCFlag = m_pcCfg->getNNPostFilterSEICharacteristicsOutSubCFlag(filterIdx);
diff --git a/source/Lib/EncoderLib/SEIwrite.cpp b/source/Lib/EncoderLib/SEIwrite.cpp
index 79f8d7172aced06e287c309e12c3a59cc8704618..ecb686416c84b7ee37d38dc4c3bb1d7cf156c082 100644
--- a/source/Lib/EncoderLib/SEIwrite.cpp
+++ b/source/Lib/EncoderLib/SEIwrite.cpp
@@ -1706,6 +1706,9 @@ void SEIWriter::xWriteSEINeuralNetworkPostFilterCharacteristics(const SEINeuralN
{
xWriteFlag(sei.m_inputPicOutputFlag[i], "nnpfc_input_pic_output_flag");
}
+#if JVET_AD0054_NNPFC_ABSENT_INPUT_PIC_ZERO_FLAG
+ xWriteFlag(sei.m_absentInputPicZeroFlag, "nnpfc_absent_input_pic_zero_flag");
+#endif
}
#endif