INTERNATIONAL ISO/IEC STANDARD 23002-4 Third edition 2018-03 Information technology MPEG video technologies - Part 4: Video tool library Technologies de I'information - Technologies vidéo MPEG - Partie 4: Bibliotheque d'outils vidéo Reference number IEC IS0/IEC 23002-4:2018(E) OST @IS0/IEC2018 IS0/IEC 23002-4:2018(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC2018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet oran intranet, without priorwritten permission.Permission can be requested from either Iso at the address below or Iso's member body in the country of the requester. ISO copyright office CP 40i: Ch. de Blandonnet 8 CH-1214Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland i @ IS0/IEC 2018 - All rights reserved IS0/IEC 23002-4:2018(E) Contents Page Foreword .viii Introduction. .... X 1 Scope.. 2 Normative references... 3 Termsand definitions 4 FU description convention.... .2 4.1 FU interface ... 4.2 FUIDS. 4.3 Token pool. 4.4 Array data ordel 4.5 Input ports (reset_i, init_i, start_i). 10 4.6 FU block diagram notations 10 4.7 Conventions..... 4.8 Granular FU 11 5 General-purpose FUs.. 11 5.1 Syntax parsing... 11 5.1.1 Generic syntax parser 11 5.1.2 Algo_Byte2bit... 11 5.1.3 Mgnt_Select_MB_4 . 5.1.4 Mgnt_Merger420. 12 5.1.5 Mgnt_Select_MB_8... 12 5.1.6 5.1.7 Mgnt_SynP_BytePreprocessor 5.2 General processing FUs... 14 5.2.1 5.2.2 Algo_InverseQuantizationND. 15 5.2.3 Algo_InversePrediction1D... 18 5.2.4 5.2.5 Algo_ED_AD_StaticBit... .24 5.2.6 Algo_ED_VLD... 26 5.2.7 5.2.8 Algo_ED_BitPrecision... .28 5.2.9 Algo_ED_AD.. 31 5.2.10 Algo_ED_AD_EG 5.2.11 Algo_ED_4bitsD. 42 5.2.12 Algo_ED_FixedLength. 44 5.2.13 5.2.14 Algo_ContextModeling.. 5.2.15 Algo_simpleMath_2op.. .48 5.2.16 Mgnt_Replicate_1_2 5.2.17 Mgnt_Replicate_1_4 50 5.2.18 Mgnt_Replicate_1_8 51 5.2.19 5.2.20 Mgnt_MUX_4_1 53 5.2.21 Mgn.t._.MUX_8._.... .55 5.2.22 Mgnt_DEMUX_1_2 5.2.23 Mgnt_DEMUX_1_4 . 57 5.2.24 Mgnt_DEMUX_1_8. 59 5.2.25 Mgnt_ExtractSegment .60 5.2.26 Mgnt_ProviderValue .. 61 5.2.27 Mgnt_RepeatSegment 62 5.2.28 Mgnt_ExtractBytes... .64 5.2.29 Mgnt_ExtractBits.. .65 IS0/IEC2018—Allrightsreserved ii IS0/IEC 23002-4:2018(E) 5.2.30 Mgnt_Provider1D. 5.2.31 Mgnt_Provider2D .67 6 FUs for MPEG-4 Simple Profile. 6.1 General. .69 6.2 6.2.1 Algo_SynP .69 6.2.2 Mgnt_BlockExpand . .69 6.2.3 6.2.4 Mgnt_Splitter420MV... ..70 6.2.5 Algo_MVR_MedianOfThreeLeftAndTopAndTopRight. 6.2.6 6.2.7 Algo_VLDtableB6_MPEG4Part2. 72 6.2.8 Algo_VLDtableB7_MPEG4Part2. 72 6.2.9 Algo_VLDtableB8_MPEG4Part2 6.2.10 Algo_VLDtableB12_MPEG4Part2 6.2.11 Algo_VLDtableB13_MPEG4Part2 6.2.12 Algo_VLDtableB14_MPEG4Part2 6.2.13 Algo_VLDtableB15_MPEG4Part2 74 6.2.14 Algo_VLDtableB16_MPEG4Part2 6.2.15 Algo_VLDtableB17_MPEG4Part2 6.3 Texture decoding... 6.3.1 Algo_IQ_QSAndQmatrixMp4vOrH263Scaler. 6.3.2 Algo_DCRAddr_ThreeLeftTop_8x8..... 6.3.3 Algo_DCRAddr_ThreeLeftTop_16x16. 77 6.3.4 Algo_DCRInvPred_CHROMA_8x8.... 6.3.5 Algo_DCRInvPred_LUMA_16x16 ... 78 6.3.6 Algo_IS_ZigzagOrAlternateHorizontalVertical_8x8... 79 6.3.7 Algo_IAP_AdaptiveHorizontalOrVerticalPred_8x8.... 6.3.8 Algo_IAP_AdaptiveHorizontalOrVerticalPred_16x16 6.3.9 Algo_IDCT2D_IS0IEC_23002_1 .80 6.3.10 6.4 Motion compensation ..81 6.4.1 Mgnt_FB_w_Addess_8x8. .81 6.4.2 Mgnt._FB_w_Adess_16x16.... 6.4.3 Algo_PictureReconstruction_Saturation 82 6.4.4 Algo_Interp_HalfpelBilinearRoundingControl. 83 7 FUs for MPEG-4 AVC Constrained Baseline Profile... ..84 7.1 7.2 Syntax parsing. ..84 7.2.1 Algo_NALU.. .84 7.2.2 A.lgo.SynP.... 7.2.3 Algo_BlockExpand.. 85 7.2.4 Algo_BlockSplit... ..85 7.2.5 7.2.6 Algo_Parser_I_PcM.. 86 7.2.7 Algo_DemuxParserInfoForBlocks_Chroma .. .87 7.2.8 7.3 Texture decoding ... 88 7.3.1 Algo_Is_zigzag_.4x4.... 7.3.2 Algo_DCR_Hadamard_LUMA_I