id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
793	Mismatch encode decode for YUV400	minhmanho		"The VTM raises an error Exceeded FIFO size reading bitstream.

My source is cloned at the commit bd9038ff700ff886f23fc1834f24ef7c1dec66b8, branch master.

Notes:
+ My built VTM decoder works well on YUV420.
+ HM (HEVC) decoder can decode the bitstream of YUV400 source but the VTM decoder.

{{{
./EncoderAppStatic -i ./test.yuv -b ./test_enc_400.vvc -o ./recon_from_enc_400.yuv --InputBitDepth=8 --OutputBitDepth=8 --InputChromaFormat=400 -fr 15 -wdt 640 -hgt 360 -c ../cfg/encoder_intra_vtm.cfg -q 37 -f 1

****************************************************************************
** WARNING: --JointCbCr has been disabled because the chromaFormat is 400 **
****************************************************************************
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 ChromaTS:1 BDPCM:0 Tiles: 1x1 Slices: 1 MCTS:0 SAO:1 ALF:1 WPP:0 WPB:0  WaveFrontSynchro:0 WaveFrontSubstreams:1 ScalingList:0 TMVPMode:1  DQ:1  SignBitHidingFlag:0 RecalQP:0
NEXT TOOL CFG: LFNST:1 MMVD:1 Affine:1 AffineType:1 PROF:0 SubPuMvp:1+0 DualITree:1 IMV:1 BIO:0 LMChroma:1 HorCollocatedChroma:1 VerCollocatedChroma:0 MTS: 1(intra) 0(inter) SBT:1 ISP:1 SMVD:0 CompositeLTReference:0 Bcw:0 BcwFast:0 LADF:0 CIIP:0 Triangle:0 AllowDisFracMMVD:1 AffineAmvr:0 AffineAmvrEncOpt:0 DMVR:0 MmvdDisNum:8 JointCbCr:0ACT:0 PLT:0 IBC:0 HashME:0 WrapAround:0 LoopFilterAcrossVirtualBoundaries:0 Reshape:1 (Signal:SDR Opt:0 CSoffset:2) MRL:1 MIP:1 EncDbOpt:0
FAST TOOL CFG: LCTUFast:1 FastMrg:1 PBIntraFast:1 IMV4PelFast:1 MTSMaxCand: 4(intra) 4(inter) ISPFast:1 FastLFNST:1 AMaxBT:1 E0023FastEnc:1 ContentBasedFastQtbt:0 UseNonLinearAlfLuma:1 UseNonLinearAlfChroma:1 MaxNumAlfAlternativesChroma:8 FastMIP:1 FastLocalDualTree:0 NumSplitThreads:1 NumWppThreads:1+0 EnsureWppBitEqual:0 RPR:0 TemporalFilter:0

...
...

./DecoderAppStatic -b ./test_enc_400.vvc -o recon_from_dec_400.yuv

VVCSoftware: VTM Decoder Version 7.1 [Linux][GCC 5.4.0][64 bit] [SIMD=AVX2]

ERROR: In function ""read"" in ..../VVCSoftware_VTM/source/Lib/CommonLib/BitStream.cpp:293: Exceeded FIFO size
}}}"	defect	new	minor		VTM	VTM-7.1			ksuehring XiangLi fbossen jvet@…