Opened 11 months ago

#683 new defect

Encoder fails (core dump) after first picture when using a different coding structure

Reported by: rajan_joshi Owned by:
Priority: minor Milestone:
Component: VTM Version: VTM-6.2
Keywords: coding structure Cc: ksuehring, XiangLi, fbossen, jvet@…


When running the encoder with a modified low delay P structure (using only the previous picture for reference), the encoder fails (core dump) after successfully encoding the first (intra) picture. The config file is attached.

The output is:

VVCSoftware: VTM Encoder Version 6.2 [Linux][GCC 7.4.0][64 bit] [SIMD=AVX2]

TOOL CFG: IBD:1 HAD:1 RDQ:1 RDQTS:1 RDpenalty:0 LQP:0 SQP:0 ASR:0 MinSearchWindow:8 RestrictMESampling:0 FEN:1 ECU:0 FDM:1 CFM:0 ESD:0 TransformSkip:1 TransformSkipFast:1 TransformSkipLog2MaxSize:5 BDPCM:0 Slice: M=0 Tiles:1x1 MCTS:0 CIP:0 SAO:1 ALF:1 TransQuantBypassEnabled:0 WPP:0 WPB:0 PME:2 WaveFrontSynchro:0 WaveFrontSubstreams:1 ScalingList:0 TMVPMode:1 DQ:1 SignBitHidingFlag:0 RecalQP:0
NEXT TOOL CFG: LFNST:0 MMVD:1 Affine:1 AffineType:1 PROF:1 SubPuMvp:1+0 DualITree:1 IMV:1 BIO:0 LMChroma:1 CclmCollocatedChroma:0 MTS: 1(intra) 0(inter) SBT:1 ISP:1 SMVD:0 CompositeLTReference:0 GBi:0 GBiFast:0 LADF:0 MHIntra:1 Triangle:0 AllowDisFracMMVD:1 AffineAmvr:0 AffineAmvrEncOpt:0 DMVR:0 MmvdDisNum:6 JointCbCr:1 PLT:0 IBC:0 HashME:0 WrapAround:0 LoopFilterAcrossVirtualBoundaries:0 Reshape:1 (Signal:SDR Opt:0) MIP:1 EncDbOpt:0
FAST TOOL CFG: LCTUFast:1 FastMrg:1 PBIntraFast:1 IMV4PelFast:1 MTSMaxCand: 3(intra) 4(inter) ISPFast:0 AMaxBT:1 E0023FastEnc:1 ContentBasedFastQtbt:0 UseNonLinearAlfLuma:1 UseNonLinearAlfChroma:1 MaxNumAlfAlternativesChroma:8 FastMIP:0 FastLocalDualTree:2 NumSplitThreads:1 NumWppThreads:1+0 EnsureWppBitEqual:0 RPR:0

started @ Mon Nov 11 19:02:04 2019
POC 0 TId: 0 ( I-SLICE, QP 31 ) 64288 bits [Y 35.4756 dB U 38.2585 dB V 38.9203 dB] [ET 18 ] [L0 ] [L1 ]
Segmentation fault (core dumped)

Attachments (1)

encoder_lowdelay_P_mod_vtm.cfg (8.3 KB) - added by rajan_joshi 11 months ago.
modified low delay P config file

Download all attachments as: .zip

Change history (1)

Changed 11 months ago by rajan_joshi

modified low delay P config file

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