id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
226	Encoder crashes on low QPs for LC case	kolya		"./bin/TAppEncoderStaticd -c cfg/encoder_intra_loco.cfg -c cfg/per-seq uence/SlideShow.cfg -q 5 -b str/SlideShow_Q5_S64_H4_intra_loco.bin -o rec/SlideS how_Q5_S64_H4_intra_loco_enc.yuv -f 500 -ip 1

HM software: Encoder Version [4.0rc1][Linux][GCC 4.1.2][64 bit] 

Input          File          : /home/X0104A/DMC_HEVC/orig/SlideShow_1280x720_20.yuv
Bitstream      File          : str/SlideShow_Q5_S64_H4_intra_loco.bin
Reconstruction File          : rec/SlideShow_Q5_S64_H4_intra_loco_enc.yuv
Real     Format              : 1280x720 20Hz
Internal Format              : 1280x720 20Hz
Frame index                  : 0 - 499 (500 frames)
Number of Ref. frames (P)    : 4
Number of Ref. frames (B_L0) : 2
Number of Ref. frames (B_L1) : 2
Number of Reference frames   : 4
CU size / depth              : 64 / 4
RQT trans. size (min / max)  : 4 / 32
Max RQT depth inter          : 3
Max RQT depth intra          : 3
Min PCM size                 : 128
Motion search range          : 64
Intra period                 : 1
Decoding refresh type        : 0
QP                           :  5.00
Max dQP signaling depth      : 0
GOP size                     : 1
Rate GOP size                : 1
Internal bit depth           : 8
PCM sample bit depth         : 8
DisableInter4x4              : 1
Entropy coder                : VLC

TOOL CFG: ALF:0 IBD:0 HAD:1 SRD:0 RDQ:1 SQP:0 ASR:0 PAD:0 LDC:1 NRF:0 BQP:0 GPB:1 LComb:1 LCMod:0 FEN:1 ECU:0 CFM:0 RQT:1 MRG:1 LMC:1 Slice: G=0 M=0 EntropySlice: M=0 CIP:0 SAO:1 PCM:0 NewRefSetting:0 

POC    0 TId: 0 ( I-SLICE, QP 5 )    1775456 bits [Y 62.5820 dB    U 62.0018 dB    V 62.1815 dB] [ET    34 ] [L0 ] [L1 ] [MD5:e3b2adb62401dcd843e52da4ed3f7f27]
POC    1 TId: 0 ( I-SLICE, QP 5 )       7528 bits [Y 92.5911 dB    U 89.7144 dB    V 88.9681 dB] [ET    19 ] [L0 ] [L1 ] [MD5:b82c9d8b4544ad12f706aaee66ca6b09]
POC    2 TId: 0 ( I-SLICE, QP 5 )       4744 bits [Y 93.6265 dB    U 90.9638 dB    V 91.3417 dB] [ET    19 ] [L0 ] [L1 ] [MD5:93080cdccf53039cf6fcfbee74252cfe]
POC    3 TId: 0 ( I-SLICE, QP 5 )     132496 bits [Y 69.5920 dB    U 69.5025 dB    V 70.3474 dB] [ET    21 ] [L0 ] [L1 ] [MD5:6b9a073d65ecd44fbcae2f1e1fbfbf59]
TAppEncoderStaticd: /home/X0104/e1niko/HM-4.0rc1-Fine/build/linux/lib/TLibCommon/../../../../source/Lib/TLibCommon/TComBitStream.cpp:95: virtual Void TComOutputBitstream::write(UInt, UInt): Assertion `uiNumberOfBits <= 32' failed.

Crash was also observed on QPs from 1 to 9 on SlideShow for all LC configurations.


"	defect	closed	minor		HM	HM-4.0	wontfix	encoder, crash	fbossen ksuehring davidf jct-vc@…