source: 3DVCSoftware/branches/HTM-6.2-dev0/source/Lib/TLibCommon/TypeDef.h @ 428

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Disabled MERL_General_Fix.

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1/* The copyright in this software is being made available under the BSD
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33
34/** \file     TypeDef.h
35    \brief    Define basic types, new types and enumerations
36*/
37
38#ifndef _TYPEDEF__
39#define _TYPEDEF__
40
41//! \ingroup TLibCommon
42//! \{
43
44// MV-HEVC
45#define QC_IV_AS_LT_B0046                 1   //JCT3V-B0046: inter-view reference pictures are treated as long-term pictures
46#define QC_REM_IDV_B0046                  1   //JCT3V-B0046: removal of IDV NAL unit type
47#define DV_V_RESTRICTION_B0037            1   //JCT3V-B0037: disparity vector vertical range restriction
48#define QC_TMVP_IDX_MOD_B0046             1   //JCT3V-B0046: the reference index for temporal merging candidate is set to 0, as defined in HEVC
49
50// 3D-HEVC
51#define QC_MVHEVC_B0046                   0   //JCT3V-B0046: disable 3DHEVC tools
52
53#if !QC_MVHEVC_B0046
54
55///// ***** DMM *********
56#define HHI_DMM_WEDGE_INTRA               1   // depth model modes independent on texture (explicit and intra-predicted Wedgelet prediction)
57#define HHI_DMM_PRED_TEX                  1   // depth model modes dependent on texture (inter-component Wedgelet and Contour prediction )
58                                              // HHIQC_DMMFASTSEARCH_B0039, fast Wedgelet search for DMM modes 1 and 3
59                                              // HHI_DMM_DELTADC_Q1_C0034   JCT3V-C0034: no quantization and fast encoder search for DMM delta DC values
60                                              // FIX_DMM_CTX_INIT_C0034 JCT3V-C0034 fix for wrong init type of DMM contexts (UChar instead of Short)
61
62#define LGE_EDGE_INTRA_A0070              1   // JCT3V-A0070
63#define LGE_DMM3_SIMP_C0044               1
64
65///// ***** SDC *********
66#define RWTH_SDC_DLT_B0036                1   // JCT3V-B0036: Simplified Depth Coding + Depth Lookup Table
67                                              // SAIT_SDC_C0096 JCT3V-C0096: Improved Simple Depth Coding(removal of DMM2 among four SDC modes(DC, Planar, DMM1 and DMM2))
68                                              // FIX_SDC_ENC_C0143, JCT3V-C0143 fix for unnecessary encoder checks in case of SDC
69
70///// ***** TMVP/AMVP *********
71#define TMVP_DEPTH_SWITCH                 1   // JCT3V-B0092 additional encoder option only
72#define QC_TMVP_MRG_REFIDX_C0047          1   // only enabled when QC_TMVP_IDX_MOD_B0046 is enabled.
73#define INTER_VIEW_VECTOR_SCALING_C0115   1   // JCT3V-C0115 Inter-view vector scaling for TMVP & flag
74#define INTER_VIEW_VECTOR_SCALING_C0116   1   // JCT3V-C0116 Inter-view vector scaling for AMVP
75
76///// ***** INTERVIEW MOTION PARAMETER PREDICTION *********
77#define H3D_IVMP                          1   // Inter-view motion parameter prediction
78                                              // HHI_INTER_VIEW_MOTION_PRED
79                                              // SAIT_IMPROV_MOTION_PRED_M24829, improved inter-view motion vector prediction
80                                              // SHARP_INTERVIEW_DECOUPLE_B0111, decoupling inter-view candidate
81                                              // QC_MRG_CANS_B0048             , JCT3V-B0048, B0086, B0069
82                                              // OL_DISMV_POS_B0069            , different pos for disparity MV candidate, B0069
83                                              // MTK_INTERVIEW_MERGE_A0049     , second part
84                                              // QC_C0051_FIXED_BY_MTK             1   // Bug fix for C0051 implementation
85                                              // QC_AMVP_MRG_UNIFY_IVCAN_C0051     1
86#define SEC_TWO_CANDIDATES_FOR_AMVP_D0122 1   // SEC_TWO_CANDIDATES_FOR_AMVP_D0122, fixing # of AMVP candidates 3 to 2
87
88
89///// ***** INTERVIEW RESIDUAL PREDICTION *********
90#define H3D_IVRP                          1   // Inter-view residual prediction
91                                              // HHI_INTER_VIEW_RESIDUAL_PRED
92                                              // QC_SIMPLIFIEDIVRP_M24938
93                                              // MTK_C0138_FIXED                   // Fix for IBP coding structure in view direction (not CTC)
94                                              // MTK_MDIVRP_C0138
95                                              // LG_RESTRICTEDRESPRED_M24766       1   // Restricted inter-view residual prediction
96                                              // FIX_LG_RESTRICTEDRESPRED_M24766   1
97
98#define QC_ARP_D0177            1             ////< advanced residual prediction
99#if QC_ARP_D0177
100#define QC_ARP_WFNR                       3
101#define QC_ARP_WARNING_FIX                1   // Fix warning message for ARP
102#endif
103///// ***** DISPARITY VECTOR DERIVATION *********
104#define H3D_NBDV                          1   // Neighboring block disparity derivation
105                                              // JCT3V-A0097
106                                              // LGE_DVMCP_A0126
107                                              // LGE_DVMCP_MEM_REDUCTION_B0135     
108                                              // DV_DERIVATION_PARALLEL_B0096, enable parallel derivation of disparity vector
109                                              // QC_SIMPLE_NBDV_B0047
110                                              // FIX_LGE_DVMCP_B0133
111                                              // LGE_IVMP_PARALLEL_MERGE_B0136, B0136 support of parallel merge/skip in disparity vector derivation
112                                              // FIX_LGE_IVMP_PARALLEL_MERGE_B0136
113
114                                              // QC_NBDV_LDB_FIX_C0055
115                                              // MTK_SAIT_TEMPORAL_FIRST_ORDER_C0141_C0097
116                                              // MTK_RELEASE_DV_CONSTRAINT_C0129   
117                                              // MTK_SIMPLIFY_DVTC_C0135           
118                                              // FIX_CHROMA_RESIDUAL_C0129         
119#define QC_CU_NBDV_D0181                  1
120
121#define SEC_DEFAULT_DV_D0112              1
122
123///// ***** MOTION PARAMETER INHERITANCE  *********
124#define MTK_DEPTH_MERGE_TEXTURE_CANDIDATE_C0137   1   // JCT3V-C0137
125#define HHI_MPI                           0   // motion parameter inheritance from texture picture for depth map coding
126#if HHI_MPI
127#define FIX_MPI_B0065                     1   // JCT3V-B0065, fix the MPI bug when RQT is off
128#endif
129#define MTK_UNCONSTRAINED_MVI_B0083       1    //JCT3V-B0083
130
131///// ***** VIEW SYNTHESIS OPTIMIZAION *********
132#define HHI_VSO                           1
133#define HHI_VSO_LS_TABLE_M23714           1   // m23714, enable table base Lagrange multiplier optimization
134#define HHI_VSO_DIST_INT                  1   // Allow negative synthesized view distortion change
135#define HHI_VSO_COLOR_PLANES              1   // Compute VSO distortion on color planes
136#define HHI_VSO_RM_ASSERTIONS             0   // Output VSO assertions
137#define HHI_VSO_SYNTH_DIST_OUT            0   // Output of synthesized view distortion instead of depth distortion in encoder output
138#define SAIT_VSO_EST_A0033                1   // JCT3V-A0033 modification 3
139#define LGE_VSO_EARLY_SKIP_A0093          1   // JCT3V-A0093 modification 4
140#define LGE_WVSO_A0119                    1   // JCT3V-A0119 & JCT3V-B0131 Depth Metric with a weighted depth fidelity term
141
142
143///// ***** ILLUMINATION COMPENSATON *********
144#define LGE_ILLUCOMP_B0045                1   // JCT2-B0045 Illumination compensation for Luma and Chroma
145                                              // LGE_ILLUCOMP_B0045_ENCSIMP
146                                              // FIX_LGE_ILLUCOMP_B0045           
147#if LGE_ILLUCOMP_B0045
148#define LGE_ILLUCOMP_DEPTH_C0046          1   // JCT2-C0046 Apply illumination compensation to depth
149#if LGE_ILLUCOMP_DEPTH_C0046
150#define FIX_ILLUCOMP_DEPTH                1
151#endif
152#endif
153
154#define SHARP_ILLUCOMP_PARSE_D0060        1   // JCT3V-D0060 Removal of IC's parsing dependency
155
156///// ***** INTERVIEW SKIP *********
157#define HHI_INTERVIEW_SKIP                1
158
159///// ***** QUADTREE LIMITATION *********
160#define H3D_QTL                            1 // OL_QTLIMIT_dPREDCODING_B0068 //JCT3V-B0068
161                                             // HHI_QTLPC_RAU_OFF_C0160     // JCT3V-C0160 change 2: quadtree limitation and predictive coding switched off in random access units
162
163///// ***** OTHERS *********
164#define LG_ZEROINTRADEPTHRESI_A0087       1   // JCT2-A0087
165#define HHI_FULL_PEL_DEPTH_MAP_MV_ACC     1   // full-pel mv accuracy for depth maps
166#define VIDYO_VPS_INTEGRATION             1   // Integration of VPS
167#define HHI_DEPTH_INTRA_SEARCH_RAU_C0160  1   // JCT3V-C0160 change 1: full Intra search in depth random access units
168#define FIX_POZNAN_CABAC_INIT_FLAG        1
169#define FIX_LGE_WP_FOR_3D_C0223           1   // JCT3V-C0223 Weighted Prediction Bug-fix for 3D-HEVC. Caution! There is still crush using WP with Residual Prediction.
170#define FIX_APPENCTOP_T_ONLY              1   // For Texture-only coding
171
172#define LGE_ROUND_OFFSET_D0135            1   // JCT3V-D0135 Rounding offset
173#define LGE_SAO_MIGRATION_D0091           1
174#if LGE_SAO_MIGRATION_D0091
175#define SAO_SKIP_RIGHT                   1  ///< H1101: disallow using unavailable pixel during RDO
176#define SAO_ENCODING_CHOICE              1  ///< I0184: picture early termination
177#if SAO_ENCODING_CHOICE
178#define SAO_ENCODING_RATE                0.75
179#define SAO_ENCODING_CHOICE_CHROMA       1 ///< J0044: picture early termination Luma and Chroma are handled separatenly
180#if SAO_ENCODING_CHOICE_CHROMA
181#define SAO_ENCODING_RATE_CHROMA         0.5
182#define SAO_ENCODING_CHOICE_CHROMA_BF    1 ///  K0156: Bug fix for SAO selection consistency
183#endif
184#endif
185#endif
186
187///// ***** FCO  *********
188#define FLEX_CODING_ORDER_M23723          1
189#if FLEX_CODING_ORDER_M23723
190#define DISABLE_FCO_FOR_VSO               0 // Optional compile settings to disable VSO with FCO.
191#define FCO_DVP_REFINE_C0132_C0170        0 // depth oriented disparity vector prediction from JCT3V-C0132 and JCT3V-C0170
192#define FCO_FIX                           0 // Bug fix for C0137 and C0152 on FCO
193#define FCO_FIX_SPS_CHANGE                0 // Sending camera parameters in SPS of depth for depth to disparity conversion used by VSP and DoDVP
194#else
195#define DISABLE_FCO_FOR_VSO               0 // Optional compile settings to disable VSO with FCO.
196#define FCO_DVP_REFINE_C0132_C0170        0 // depth oriented disparity vector prediction from JCT3V-C0132 and JCT3V-C0170
197#define FCO_FIX                           0 // Fixing bugs from HTM 6.0 which
198#define FCO_FIX_SPS_CHANGE                0 // Fixing bugs from HTM 6.0 which
199#endif
200
201///// ***** VSP *********
202#define MERL_VSP_C0152                       1 // JCT3V-C0152: 1: enable VSP-related tools; 0: disable VSP-related tools
203                                               // LGE_SIMP_DVP_REFINE_C0112
204                                               // MERL_MTK_VSP_DVP_REFINE_C0152_C0131
205#if MERL_VSP_C0152
206
207
208#define FIX_MERGE_D                          1 // Fix to compile merged version
209
210
211#define MERL_General_Fix                     0 // General fix by MERL
212#define MERL_VSP_C0152_BugFix_ForNoDepthCase 1 // MERL bugfix for test condition of no depth
213#define QC_BVSP_CleanUP_D0191                    1
214
215#define MTK_D0156                 1
216#define LGE_VSP_INHERIT_D0092     1
217
218#define MERL_VSP_COMPENSATION_C0152          1 // JCT3V-C0152: 1: add VSP merge candidate to merging candidate list; 0: not to add (nocand).
219
220#define MERL_VSP_BLOCKSIZE_C0152             4 // JCT3V-C0152: VSP block size, supported values: 1, 2 and 4.
221#if MERL_VSP_BLOCKSIZE_C0152 == 1
222#define MERL_CVSP_D0165                      1 // JCT3V-D0165: 1: enable CVSP; 0: disable CVSP.
223#else
224#define MERL_CVSP_D0165                      0 // JCT3V-D0165: 1: enable CVSP; 0: disable CVSP.
225#endif
226#if LGE_VSP_INHERIT_D0092
227#define VSP_MERGE_POS                        3 // JCT3V-C0152: fixed position of VSP candidate in merge list, supported values: 3.
228#else
229#define VSP_MERGE_POS                        5 // JCT3V-C0152: fixed position of VSP candidate in merge list, supported values: 5.
230#endif                                               // MTK_DVPREFINE_BVSP_BUG_FIX               1
231#define MTK_DEPTH_TO_DISP_D0138              1 // JCT3V-D0138: Use max among four corners for DoNBDV and BVSP
232
233#if MERL_General_Fix
234#define MTK_LGE_VSP_DEPTH_OFF_D0105_D0139    1 // JCT3V-D0105/JCT3V-D0139: disable VSP for depth map
235#define MTK_VSP_USING_NBDV_D0105             1 // JCT3V-D0105: use NBDV instead of DoNBDV for BVSP
236#endif
237
238#if MERL_General_Fix
239#define MERL_VSP_NBDV_RefVId_Fix_D0166       1 // JCT3V-D0166: 1: fix the NBDV with ref view selectioin; 0: always use base view with refViewIdx=0
240#else
241#define MERL_VSP_NBDV_RefVId_Fix_D0166       0
242#endif
243
244#if MERL_VSP_NBDV_RefVId_Fix_D0166
245#define MERL_Bi_VSP_D0166                    1 // JCT3V-D0166: 1: add supporting for Bi-VSP, the code under the macro can also handle uni-direction VSP
246#else
247#define MERL_Bi_VSP_D0166                    0
248#endif
249
250#else // !MERL_VSP_C0152
251#define MERL_VSP_COMPENSATION_C0152          0 // JCT3V-C0152: 1: add VSP merge candidate to merging candidate list; 0: not to add
252#define MERL_VSP_BLOCKSIZE_C0152             4 // JCT3V-C0152: VSP block size, supported values: 1, 2 and 4.
253#define MERL_VSP_C0152_BugFix_ForNoDepthCase 0 // MERL bugfix for test condition of no depth
254#define MERL_CVSP_D0165                      0 // JCT3V-D0165: 1: enable CVSP; 0: disable CVSP.
255#define MERL_VSP_NBDV_RefVId_Fix_D0166       0 // JCT3V-D0166: 1: fix the NBDV with ref view selectioin; 0: always use base view with refViewIdx=0
256#define MERL_Bi_VSP_D0166                    0 // JCT3V-D0166: 1: add supporting for Bi-VSP, the code under the macro can also handle uni-direction VSP
257#define MTK_VSP_USING_NBDV_D0105             0
258#define MERL_General_Fix                     0
259#endif
260
261#if !MERL_General_Fix
262#define MTK_LGE_VSP_DEPTH_OFF_D0105_D0139    1 // JCT3V-D0105/JCT3V-D0139: disable VSP for depth map
263#define MTK_VSP_USING_NBDV_D0105             1 // JCT3V-D0105: use NBDV instead of DoNBDV for BVSP
264#endif
265
266///// ***** DERIVED PARAMETERS *********
267#if H3D_NBDV                   
268#define DIS_CANS                          1
269#define MCP_DIS_CANS                      7
270#endif                                 
271
272#define HHI_INTERVIEW_SKIP_LAMBDA_SCALE   1
273
274#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
275#define DMM_WEDGEMODEL_MIN_SIZE           4
276#define DMM_WEDGEMODEL_MAX_SIZE          32
277#define DMM_WEDGE_PREDDIR_DELTAEND_MAX    4
278#endif
279
280#if LGE_EDGE_INTRA_A0070
281#define LGE_EDGE_INTRA_MIN_SIZE           4
282#define LGE_EDGE_INTRA_MAX_SIZE           32
283#define LGE_EDGE_INTRA_THRESHOLD          20
284#define LGE_EDGE_INTRA_MAX_EDGE_NUM_PER_4x4 8
285#define LGE_EDGE_INTRA_DELTA_DC           1
286#define LGE_EDGE_INTRA_PIXEL_DIFFERENCE   1
287#endif
288
289
290#if H3D_NBDV                           
291#define DVFROM_LEFTBELOW                  1
292#define DVFROM_LEFT                       2
293#define DVFROM_ABOVERIGHT                 3
294#define DVFROM_ABOVE                      4
295#define DVFROM_ABOVELEFT                  5
296#define DVFROM_COL                        6
297#endif
298
299
300#if HHI_DMM_PRED_TEX || HHI_DMM_WEDGE_INTRA
301#define DMM3_SIMPLIFY_TR                  1
302#endif
303
304
305#if RWTH_SDC_DLT_B0036
306#define Log2( n ) ( log((double)n) / log(2.0) )
307#define HS_REFERENCE_SUBSAMPLE_C0154      1
308#endif
309
310#define HHI_MPI_MERGE_POS                 0
311#endif
312
313
314///// ***** HM 6.1 *********
315
316//// REMOVED HM 6.1 Guard macros (corresponding to macros removed in HM 6.3.1)
317/*
318#define SKIPFRAME_BUGFIX                  1 ///< bug fix to enable skipFrame at decoder
319#define START_DECODING_AT_CRA             1 ///< H0496, start decoding at clear random access point
320#define NO_COMBINED_PARALLEL              1 ///< Disallow any combined usage of parallel tools among Tile, EntropySlice and Wavefont
321#define PARALLEL_MERGE                    1 ///< H0082 parallel merge/skip
322#define MVP_AT_ENTROPYSLICE_BOUNDARY      1  //< H0362 enable motion prediction accross entropy slice boundary
323#define FAST_DECISION_FOR_MRG_RD_COST     1  ////< H0178: Fast Decision for Merge 2Nx2N RDCost
324#define PIC_CROPPING                      1  ///< Picture cropping and size constraints
325#define NAL_REF_FLAG                      1  ///< Change nal_ref_idc to nal_ref_flag (JCTVC-F463)
326#define REMOVE_DIV_OPERATION      1  ///< H0238: Simplified intra horizontal and vertical filtering
327#define LOGI_INTRA_NAME_3MPM      1  ///< H0407: logical Intra mode naming (sequential angular mode numbering) and 3 MPM mode coding
328#define LEVEL_CTX_LUMA_RED        1  ///<H0130: Luma level context reduction
329#define REMOVE_INFER_SIGGRP       1  ///<H0131: Remove inferred significant_coeff_group_flag
330#define SET_MERGE_TMVP_REFIDX     1  ///< H0278/H0199: Setting the merge TMVP refidx to 0 for the non-first partition
331#define MULTILEVEL_SIGMAP_EXT     1  ///< H0526: multi-level significance map extended to smaller TUs
332#define MULTIBITS_DATA_HIDING     1  ///< H0481: multiple sign bit hiding
333#define DEQUANT_CLIPPING          1  ///< H0312/H0541: transformed coefficients clipping before de-quantization
334#define REMOVE_NON_SCALED         1 ///< H0164/H0250: Removal of non-scaled merge candidate
335#define MRG_IDX_CTX_RED           1 ///< H0251: Merge index context reduction
336#define SIMP_MRG_PRUN             1 ///< H0252: simplification of merge pruning process
337#define AMVP_PRUNING_SIMPLIFICATION         1     ///H0316: simplify the pruning process of AMVP by exempting the temporal candidate
338#define AMVP_ZERO_CHECKING_REMOVAL          1     ///H0239/H0316: remove zero motion vector checking of AMVP
339#define H0111_MVD_L1_ZERO         1  ///< H0111: modification of bi-prediction
340#define CLIPSCALEDMVP               1  ///< H0216: Clipping scaled MV to 16 bit
341#define UNIFIED_TRANSFORM_TREE      1   ///< H0123: unified tree structure for TU
342#define SIGMAP_CTX_SUBBLOCK       1 ///< H0290: 4x4 sub-block based region for significant_flag context selection
343#define LAST_CTX_REDUCTION        1  ///< H0537/H514: contexts reduction for last position coding
344#define AMP_CTX                   1 ///<H0545: context reduction for asymmetric partition
345#define RESTRICT_GR1GR2FLAG_NUMBER    1 ///< H0554: Throughput improvement of CABAC coefficients level coding
346#define EIGHT_BITS_RICE_CODE        1 ///< H0498 : 8 bits rice codes
347#define SAO_UNIT_INTERLEAVING      1   ///< H0273
348#define ALF_SINGLE_FILTER_SHAPE    1     //< !!! H0068: Single filter type : 9x7 cross + 3x3 square
349#define ALF_16_BA_GROUPS        1     ///< H0409 16 BA groups
350#define LCU_SYNTAX_ALF          1     ///< H0274 LCU-syntax ALF
351#define ALF_CHROMA_COEF_PRED_HARMONIZATION 1 ///< H0483: ALF chroma coeff pred harmonization
352#define CABAC_LINEAR_INIT       1     ///< H0535 : linear CABAC initialization
353#define UNIFIED_TRANSFORM       1     ///< H0492: unify square and non-square transform
354#define G519_TU_AMP_NSQT_HARMONIZATION  1   ///< G519: Harmonization of implicit TU, AMP and NSQT
355#define CHROMA_MODE_CODING                   1     //H0326/H0475 : 2-length fixed, bypass coding for chroma intra prediction mode
356#define NSQT_LFFIX                           1     ///< Bug fix related to NSQT and deblocking filter
357#define H0736_AVC_STYLE_QP_RANGE             1    ///< H0736: AVC style qp range and wrapping.
358#define H0204_QP_PREDICTION                  1    ///< H0204: improved QP prediction
359#define BURST_IPCM                        1           ///< H0051: Burst IPCM
360#define H0137_0138_LIST_MODIFICATION      1           // Enabled reference picture lists combination (H0137) and reference picture list modification (H0138) updates
361#define LTRP_MULT                       1           ///< enable/disable multiple long term reference pictures with same POC LSB
362#define OL_FLUSH 1          // Set to 1 to enable Wavefront Flush.
363#define FIXED_NUMBER_OF_TILES_SLICE_MODE                1
364#define SCALING_LIST                  1 //JCTVC-H0230/H0461/H0237
365#define DEFAULT_DC                    1 // JCTVC-H0242
366#define RPS_IN_SPS                    1 // Adopted during discussion of JCTVC-H0423
367#define H0412_REF_PIC_LIST_RESTRICTION 1
368#define H0566_TLA                     1
369#define H0567_DPB_PARAMETERS_PER_TEMPORAL_LAYER 1
370#define DBL_H0473_PART_1          1   //Deblocking filtering simplification
371#define DBL_CONTROL               1   //PPS deblocking_filter_control_present_flag (JCTVC-H0398); condition for inherit params flag in SH (JCTVC-H0424)
372#define DBL_STRONG_FILTER_CLIP    1   //Introduction of strong filter clipping in deblocking filter (JCTVC-H0275)
373#define H0388                       1 // JCTVC-H0388
374#define TILES_WPP_ENTRY_POINT_SIGNALLING        1 // JCTVC-H0556. Assumes either Tiles is ON or WPP is ON (not both simultaneously).
375#define REMOVE_TILE_DEPENDENCE                  1 // remove tile_boundary_independence_flag and dependent tiles
376#define TILES_OR_ENTROPY_SYNC_IDC               1 // tiles_or_entropy_coding_sync_idc flag
377#define COMPLETE_SLICES_IN_TILE     1 // Among the constraints between slices and tiles, all slices within a tile shall be complete (JCTVC-H0348/JCTVC-H0463) for SliceMode 1&2
378#define WPP_SIMPLIFICATION          1 // JCTVC-H0349/JCTVC-0517
379*/
380
381
382#define LOSSLESS_CODING                   1 ///< H0530: lossless and lossy (mixed) coding
383#if LOSSLESS_CODING
384#define SEQUENCE_LEVEL_LOSSLESS           0 ///< H0530: used only for sequence or frame-level lossless coding
385#endif
386
387#define LOG2_PARALLEL_MERGE_LEVEL_MINUS2  0 //< H0082 parallel merge level 0-> 4x4, 1-> 8x8, 2->16x16, 3->32x32, 4->64x64
388
389#if LOG2_PARALLEL_MERGE_LEVEL_MINUS2
390#define CU_BASED_MRG_CAND_LIST            1  //< H0240: single merge candidate list for all PUs inside a 8x8 CU conditioned on LOG2_PARALLEL_MERGE_LEVEL_MINUS2 > 0
391#define FIX_CU_BASED_MRG_CAND_LIST_B0136  1  //< B0136 bug fix for CU_BASED_MRG_CAND_LIST
392#endif
393
394#define DISABLING_CLIP_FOR_BIPREDME         1  ///< Ticket #175
395#define SIGMAP_CONST_AT_HIGH_FREQUENCY      1      ///< H0095 method2.1: const significance map at high freaquency
396
397#define C1FLAG_NUMBER               8 // maximum number of largerThan1 flag coded in one chunk :  16 in HM5
398#define C2FLAG_NUMBER               1 // maximum number of largerThan2 flag coded in one chunk:  16 in HM5
399
400#if !LGE_SAO_MIGRATION_D0091
401#define REMOVE_SAO_LCU_ENC_CONSTRAINTS_1 0  ///< disable the encoder constraint that does not test SAO/BO mode for chroma in interleaved mode
402#define REMOVE_SAO_LCU_ENC_CONSTRAINTS_2 0  ///< disable the encoder constraint that reduce the range of SAO/EO for chroma in interleaved mode
403#endif
404#define REMOVE_SAO_LCU_ENC_CONSTRAINTS_3 0  ///< disable the encoder constraint that conditionally disable SAO for chroma for entire slice in interleaved mode
405#define COLLOCATED_REF_IDX      1           ///< H0442: signal collocated reference index
406
407
408#define MAX_NUM_SPS                32
409#define MAX_NUM_PPS                256
410#define MAX_NUM_APS                32         //< !!!KS: number not defined in WD yet
411
412#define MRG_MAX_NUM_CANDS_SIGNALED         5   //<G091: value of maxNumMergeCand signaled in slice header
413
414#define WEIGHTED_CHROMA_DISTORTION  1   ///< F386: weighting of chroma for RDO
415#define RDOQ_CHROMA_LAMBDA          1   ///< F386: weighting of chroma for RDOQ
416#define ALF_CHROMA_LAMBDA           1   ///< F386: weighting of chroma for ALF
417#define SAO_CHROMA_LAMBDA           1   ///< F386: weighting of chroma for SAO
418
419#define MIN_SCAN_POS_CROSS          4
420
421#define FAST_BIT_EST                1   ///< G763: Table-based bit estimation for CABAC
422
423
424#define MLS_GRP_NUM                         64     ///< G644 : Max number of coefficient groups, max(16, 64)
425#define MLS_CG_SIZE                         4      ///< G644 : Coefficient group size of 4x4
426
427#define ADAPTIVE_QP_SELECTION               1      ///< G382: Adaptive reconstruction levels, non-normative part for adaptive QP selection
428#if ADAPTIVE_QP_SELECTION
429#define ARL_C_PRECISION                     7      ///< G382: 7-bit arithmetic precision
430#define LEVEL_RANGE                         30     ///< G382: max coefficient level in statistics collection
431#endif
432
433
434#define NS_HAD                               1
435
436#define APS_BITS_FOR_SAO_BYTE_LENGTH 12
437#define APS_BITS_FOR_ALF_BYTE_LENGTH 8
438
439
440
441#define HHI_RQT_INTRA_SPEEDUP             1           ///< tests one best mode with full rqt
442#define HHI_RQT_INTRA_SPEEDUP_MOD         0           ///< tests two best modes with full rqt
443
444
445
446#if HHI_RQT_INTRA_SPEEDUP_MOD && !HHI_RQT_INTRA_SPEEDUP
447#error
448#endif
449
450
451
452#define VERBOSE_RATE 0                               ///< Print additional rate information in encoder
453
454#define AMVP_DECIMATION_FACTOR            4
455
456#define SCAN_SET_SIZE                     16
457#define LOG2_SCAN_SET_SIZE                4
458
459#if LGE_EDGE_INTRA_A0070
460#if LGE_EDGE_INTRA_DELTA_DC
461#define FAST_UDI_MAX_RDMODE_NUM               37          ///< maximum number of RD comparison in fast-UDI estimation loop
462#else
463#define FAST_UDI_MAX_RDMODE_NUM               36          ///< maximum number of RD comparison in fast-UDI estimation loop
464#endif
465#else
466#define FAST_UDI_MAX_RDMODE_NUM               35          ///< maximum number of RD comparison in fast-UDI estimation loop
467#endif
468
469#define ZERO_MVD_EST                          0           ///< Zero Mvd Estimation in normal mode
470
471#define NUM_INTRA_MODE 36
472#define LM_CHROMA_IDX  35
473
474#if HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
475enum MODE_IDX
476{
477  DMM_WEDGE_FULL_IDX         = NUM_INTRA_MODE,
478  DMM_WEDGE_FULL_D_IDX       = NUM_INTRA_MODE+1,
479  DMM_WEDGE_PREDTEX_IDX      = NUM_INTRA_MODE+2,
480  DMM_WEDGE_PREDTEX_D_IDX    = NUM_INTRA_MODE+3,
481  DMM_CONTOUR_PREDTEX_IDX    = NUM_INTRA_MODE+4,
482  DMM_CONTOUR_PREDTEX_D_IDX  = NUM_INTRA_MODE+5,
483  DMM_WEDGE_PREDDIR_IDX      = NUM_INTRA_MODE+6,
484  DMM_WEDGE_PREDDIR_D_IDX    = NUM_INTRA_MODE+7
485};
486#define NUM_DMM_MODE 8
487#elif HHI_DMM_WEDGE_INTRA && !HHI_DMM_PRED_TEX
488enum MODE_IDX
489{
490  DMM_WEDGE_FULL_IDX         = NUM_INTRA_MODE,
491  DMM_WEDGE_FULL_D_IDX       = NUM_INTRA_MODE+1,
492  DMM_WEDGE_PREDDIR_IDX      = NUM_INTRA_MODE+2,
493  DMM_WEDGE_PREDDIR_D_IDX    = NUM_INTRA_MODE+3
494};
495#define NUM_DMM_MODE 4
496#elif !HHI_DMM_WEDGE_INTRA && HHI_DMM_PRED_TEX
497enum MODE_IDX
498{
499  DMM_WEDGE_PREDTEX_IDX      = NUM_INTRA_MODE,
500  DMM_WEDGE_PREDTEX_D_IDX    = NUM_INTRA_MODE+1,
501  DMM_CONTOUR_PREDTEX_IDX    = NUM_INTRA_MODE+2,
502  DMM_CONTOUR_PREDTEX_D_IDX  = NUM_INTRA_MODE+3,
503};
504#define NUM_DMM_MODE 4
505#endif
506
507#if LGE_EDGE_INTRA_A0070
508#if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
509#define EDGE_INTRA_IDX  (NUM_INTRA_MODE+NUM_DMM_MODE)
510#endif // HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX
511#if LGE_EDGE_INTRA_DELTA_DC
512#define EDGE_INTRA_DELTA_IDX          (EDGE_INTRA_IDX+1)
513#endif
514#endif // LGE_EDGE_INTRA
515
516#define IBDI_DISTORTION                0           ///< enable/disable SSE modification when IBDI is used (JCTVC-D152)
517#define FIXED_ROUNDING_FRAME_MEMORY    0           ///< enable/disable fixed rounding to 8-bitdepth of frame memory when IBDI is used
518
519#define WRITE_BACK                      1           ///< Enable/disable the encoder to replace the deltaPOC and Used by current from the config file with the values derived by the refIdc parameter.
520#define PRINT_RPS_INFO                  0           ///< Enable/disable the printing of bits used to send the RPS.
521                                                    // using one nearest frame as reference frame, and the other frames are high quality (POC%4==0) frames (1+X)
522                                                    // this should be done with encoder only decision
523                                                    // but because of the absence of reference frame management, the related code was hard coded currently
524#define OL_FLUSH_ALIGN 0    // Align flush to byte boundary.  This preserves byte operations in CABAC (faster) but at the expense of an average
525                            // of 4 bits per flush.
526                            // Setting to 0 will slow cabac by an as yet unknown amount.
527                            // This is here just to perform timing tests -- OL_FLUSH_ALIGN should be 0 for WPP.
528
529#define RVM_VCEGAM10_M         4
530
531#define PLANAR_IDX             0
532#define VER_IDX                26                    // index for intra VERTICAL   mode
533#define HOR_IDX                10                    // index for intra HORIZONTAL mode
534#define DC_IDX                 1                     // index for intra DC mode
535#define NUM_CHROMA_MODE        6                     // total number of chroma modes
536#define DM_CHROMA_IDX          36                    // chroma mode index for derived from luma intra mode
537
538
539#define FAST_UDI_USE_MPM 1
540
541#define RDO_WITHOUT_DQP_BITS              0           ///< Disable counting dQP bits in RDO-based mode decision
542
543#define FULL_NBIT 0 ///< When enabled, does not use g_uiBitIncrement anymore to support > 8 bit data
544
545
546#define AD_HOC_SLICES_FIXED_NUMBER_OF_LCU_IN_SLICE      1          ///< OPTION IDENTIFIER. mode==1 -> Limit maximum number of largest coding tree blocks in a slice
547#define AD_HOC_SLICES_FIXED_NUMBER_OF_BYTES_IN_SLICE    2          ///< OPTION IDENTIFIER. mode==2 -> Limit maximum number of bins/bits in a slice
548#define AD_HOC_SLICES_FIXED_NUMBER_OF_TILES_IN_SLICE    3
549
550// Entropy slice options
551#define SHARP_FIXED_NUMBER_OF_LCU_IN_ENTROPY_SLICE            1          ///< OPTION IDENTIFIER. Limit maximum number of largest coding tree blocks in an entropy slice
552#define SHARP_MULTIPLE_CONSTRAINT_BASED_ENTROPY_SLICE         2          ///< OPTION IDENTIFIER. Limit maximum number of bins/bits in an entropy slice
553
554#define LOG2_MAX_NUM_COLUMNS_MINUS1        7
555#define LOG2_MAX_NUM_ROWS_MINUS1           7
556#define LOG2_MAX_COLUMN_WIDTH              13
557#define LOG2_MAX_ROW_HEIGHT                13
558
559#define MAX_MARKER_PER_NALU                 1000
560
561#define MATRIX_MULT                             0   // Brute force matrix multiplication instead of partial butterfly
562
563#define REG_DCT 65535
564
565#define AMP_SAD                               1           ///< dedicated SAD functions for AMP
566#define AMP_ENC_SPEEDUP                       1           ///< encoder only speed-up by AMP mode skipping
567#if AMP_ENC_SPEEDUP
568#define AMP_MRG                               1           ///< encoder only force merge for AMP partition (no motion search for AMP)
569#endif
570
571#define SCALING_LIST_OUTPUT_RESULT    0 //JCTVC-G880/JCTVC-G1016 quantization matrices
572#define H0566_TLA_SET_FOR_SWITCHING_POINTS 1
573
574
575#define CABAC_INIT_FLAG             1 // JCTVC-H0540
576#define CABAC_INIT_PRESENT_FLAG     1
577
578
579// ====================================================================================================================
580// VPS INTEGRATION
581// ====================================================================================================================
582#if !QC_MVHEVC_B0046
583#if VIDYO_VPS_INTEGRATION
584#define MAX_NUM_VPS 10
585#endif
586#else
587#define MAX_NUM_VPS 1
588#endif
589
590
591// ====================================================================================================================
592// Basic type redefinition
593// ====================================================================================================================
594
595typedef       void                Void;
596typedef       bool                Bool;
597
598typedef       char                Char;
599typedef       unsigned char       UChar;
600typedef       short               Short;
601typedef       unsigned short      UShort;
602typedef       int                 Int;
603typedef       unsigned int        UInt;
604typedef       double              Double;
605
606// ====================================================================================================================
607// 64-bit integer type
608// ====================================================================================================================
609
610#ifdef _MSC_VER
611typedef       __int64             Int64;
612
613#if _MSC_VER <= 1200 // MS VC6
614typedef       __int64             UInt64;   // MS VC6 does not support unsigned __int64 to double conversion
615#else
616typedef       unsigned __int64    UInt64;
617#endif
618
619#else
620
621typedef       long long           Int64;
622typedef       unsigned long long  UInt64;
623
624#endif
625
626// ====================================================================================================================
627// Type definition
628// ====================================================================================================================
629
630typedef       UChar           Pxl;        ///< 8-bit pixel type
631typedef       Short           Pel;        ///< 16-bit pixel type
632typedef       Int             TCoeff;     ///< transform coefficient
633
634
635// ====================================================================================================================
636// Define Distortion Types
637// ====================================================================================================================
638typedef       Int64           RMDist;     ///< renderer model distortion
639
640#if HHI_VSO_DIST_INT
641typedef       Int              Dist;       ///< RDO distortion
642#define       RDO_DIST_MIN     MIN_INT
643#define       RDO_DIST_MAX     MAX_INT
644#else
645typedef       UInt             Dist;       ///< RDO distortion
646#define       RDO_DIST_MIN     0
647#define       RDO_DIST_MAX     MAX_UINT
648#endif
649
650/// parameters for adaptive loop filter
651class TComPicSym;
652
653#define NUM_DOWN_PART 4
654
655enum SAOTypeLen
656{
657  SAO_EO_LEN    = 4,
658  SAO_BO_LEN    = 4,
659  SAO_MAX_BO_CLASSES = 32
660};
661
662enum SAOType
663{
664  SAO_EO_0 = 0,
665  SAO_EO_1,
666  SAO_EO_2,
667  SAO_EO_3,
668  SAO_BO,
669  MAX_NUM_SAO_TYPE
670};
671
672typedef struct _SaoQTPart
673{
674  Int         iBestType;
675  Int         iLength;
676#if LGE_SAO_MIGRATION_D0091
677  Int         subTypeIdx ;                 ///< indicates EO class or BO band position
678#else
679  Int         bandPosition ;
680#endif
681  Int         iOffset[4];
682  Int         StartCUX;
683  Int         StartCUY;
684  Int         EndCUX;
685  Int         EndCUY;
686
687  Int         PartIdx;
688  Int         PartLevel;
689  Int         PartCol;
690  Int         PartRow;
691
692  Int         DownPartsIdx[NUM_DOWN_PART];
693  Int         UpPartIdx;
694
695  Bool        bSplit;
696
697  //---- encoder only start -----//
698  Bool        bProcessed;
699  Double      dMinCost;
700  Int64       iMinDist;
701  Int         iMinRate;
702  //---- encoder only end -----//
703} SAOQTPart;
704
705typedef struct _SaoLcuParam
706{
707  Bool       mergeUpFlag;
708  Bool       mergeLeftFlag;
709  Int        typeIdx;
710#if LGE_SAO_MIGRATION_D0091
711  Int        subTypeIdx;
712#else
713  Int        bandPosition;
714#endif
715  Int        offset[4];
716#if !LGE_SAO_MIGRATION_D0091
717  Int        runDiff;
718  Int        run;
719#endif
720  Int        partIdx;
721  Int        partIdxTmp;
722  Int        length;
723} SaoLcuParam;
724
725struct SAOParam
726{
727  Bool       bSaoFlag[3];
728  SAOQTPart* psSaoPart[3];
729  Int        iMaxSplitLevel;
730  Int        iNumClass[MAX_NUM_SAO_TYPE];
731  Bool         oneUnitFlag[3];
732  SaoLcuParam* saoLcuParam[3];
733  Int          numCuInHeight;
734  Int          numCuInWidth;
735  ~SAOParam();
736};
737
738struct ALFParam
739{
740  Int alf_flag;                           ///< indicates use of ALF
741  Int num_coeff;                          ///< number of filter coefficients
742  Int filter_shape;
743  Int *filterPattern;
744  Int startSecondFilter;
745  Int filters_per_group;
746  Int predMethod;
747  Int *nbSPred;
748  Int **coeffmulti;
749  Int minKStart;
750  Int componentID;
751  Int* kMinTab;
752  //constructor, operator
753  ALFParam():componentID(-1){}
754  ALFParam(Int cID){create(cID);}
755  ALFParam(const ALFParam& src) {*this = src;}
756  ~ALFParam(){destroy();}
757  const ALFParam& operator= (const ALFParam& src);
758private:
759  Void create(Int cID);
760  Void destroy();
761  Void copy(const ALFParam& src);
762};
763
764struct AlfUnitParam
765{
766  Int   mergeType;
767  Bool  isEnabled;
768  Bool  isNewFilt;
769  Int   storedFiltIdx;
770  ALFParam* alfFiltParam;
771  //constructor, operator
772  AlfUnitParam();
773  AlfUnitParam(const AlfUnitParam& src){ *this = src;}
774  const AlfUnitParam& operator= (const AlfUnitParam& src);
775  Bool operator == (const AlfUnitParam& cmp);
776};
777
778struct AlfParamSet
779{
780  Bool isEnabled[3];
781  Bool isUniParam[3];
782  Int  numLCUInWidth;
783  Int  numLCUInHeight;
784  Int  numLCU;
785  AlfUnitParam* alfUnitParam[3];
786  //constructor, operator
787  AlfParamSet(){create();}
788  ~AlfParamSet(){destroy();}
789  Void create(Int width =0, Int height=0, Int num=0);
790  Void init();
791  Void releaseALFParam();
792  Void createALFParam();
793private:
794  Void destroy();
795};
796
797
798
799/// parameters for deblocking filter
800typedef struct _LFCUParam
801{
802  Bool bInternalEdge;                     ///< indicates internal edge
803  Bool bLeftEdge;                         ///< indicates left edge
804  Bool bTopEdge;                          ///< indicates top edge
805} LFCUParam;
806
807// ====================================================================================================================
808// Enumeration
809// ====================================================================================================================
810
811/// supported slice type
812enum SliceType
813{
814  I_SLICE,
815  P_SLICE,
816  B_SLICE
817};
818
819/// chroma formats (according to semantics of chroma_format_idc)
820enum ChromaFormat
821{
822  CHROMA_400  = 0,
823  CHROMA_420  = 1,
824  CHROMA_422  = 2,
825  CHROMA_444  = 3
826};
827
828/// supported partition shape
829enum PartSize
830{
831  SIZE_2Nx2N,           ///< symmetric motion partition,  2Nx2N
832  SIZE_2NxN,            ///< symmetric motion partition,  2Nx N
833  SIZE_Nx2N,            ///< symmetric motion partition,   Nx2N
834  SIZE_NxN,             ///< symmetric motion partition,   Nx N
835  SIZE_2NxnU,           ///< asymmetric motion partition, 2Nx( N/2) + 2Nx(3N/2)
836  SIZE_2NxnD,           ///< asymmetric motion partition, 2Nx(3N/2) + 2Nx( N/2)
837  SIZE_nLx2N,           ///< asymmetric motion partition, ( N/2)x2N + (3N/2)x2N
838  SIZE_nRx2N,           ///< asymmetric motion partition, (3N/2)x2N + ( N/2)x2N
839  SIZE_NONE = 15
840};
841
842
843enum BlenMod
844{
845    BLEND_NONE  = -1,
846    BLEND_AVRG  = 0,
847    BLEND_LEFT  = 1,
848    BLEND_RIGHT = 2,
849    BLEND_GEN   =  3
850};
851
852/// supported prediction type
853enum PredMode
854{
855  MODE_SKIP,            ///< SKIP mode
856  MODE_INTER,           ///< inter-prediction mode
857  MODE_INTRA,           ///< intra-prediction mode
858  MODE_NONE = 15
859};
860
861/// texture component type
862enum TextType
863{
864  TEXT_LUMA,            ///< luma
865  TEXT_CHROMA,          ///< chroma (U+V)
866  TEXT_CHROMA_U,        ///< chroma U
867  TEXT_CHROMA_V,        ///< chroma V
868  TEXT_ALL,             ///< Y+U+V
869  TEXT_NONE = 15
870};
871
872/// reference list index
873enum RefPicList
874{
875  REF_PIC_LIST_0 = 0,   ///< reference list 0
876  REF_PIC_LIST_1 = 1,   ///< reference list 1
877  REF_PIC_LIST_C = 2,   ///< combined reference list for uni-prediction in B-Slices
878  REF_PIC_LIST_X = 100  ///< special mark
879};
880
881/// distortion function index
882enum DFunc
883{
884  DF_DEFAULT  = 0,
885  DF_SSE      = 1,      ///< general size SSE
886  DF_SSE4     = 2,      ///<   4xM SSE
887  DF_SSE8     = 3,      ///<   8xM SSE
888  DF_SSE16    = 4,      ///<  16xM SSE
889  DF_SSE32    = 5,      ///<  32xM SSE
890  DF_SSE64    = 6,      ///<  64xM SSE
891  DF_SSE16N   = 7,      ///< 16NxM SSE
892
893  DF_SAD      = 8,      ///< general size SAD
894  DF_SAD4     = 9,      ///<   4xM SAD
895  DF_SAD8     = 10,     ///<   8xM SAD
896  DF_SAD16    = 11,     ///<  16xM SAD
897  DF_SAD32    = 12,     ///<  32xM SAD
898  DF_SAD64    = 13,     ///<  64xM SAD
899  DF_SAD16N   = 14,     ///< 16NxM SAD
900
901  DF_SADS     = 15,     ///< general size SAD with step
902  DF_SADS4    = 16,     ///<   4xM SAD with step
903  DF_SADS8    = 17,     ///<   8xM SAD with step
904  DF_SADS16   = 18,     ///<  16xM SAD with step
905  DF_SADS32   = 19,     ///<  32xM SAD with step
906  DF_SADS64   = 20,     ///<  64xM SAD with step
907  DF_SADS16N  = 21,     ///< 16NxM SAD with step
908
909  DF_HADS     = 22,     ///< general size Hadamard with step
910  DF_HADS4    = 23,     ///<   4xM HAD with step
911  DF_HADS8    = 24,     ///<   8xM HAD with step
912  DF_HADS16   = 25,     ///<  16xM HAD with step
913  DF_HADS32   = 26,     ///<  32xM HAD with step
914  DF_HADS64   = 27,     ///<  64xM HAD with step
915  DF_HADS16N  = 28,     ///< 16NxM HAD with step
916
917#if SAIT_VSO_EST_A0033
918  DF_VSD      = 29,      ///< general size VSD
919  DF_VSD4     = 30,      ///<   4xM VSD
920  DF_VSD8     = 31,      ///<   8xM VSD
921  DF_VSD16    = 32,      ///<  16xM VSD
922  DF_VSD32    = 33,      ///<  32xM VSD
923  DF_VSD64    = 34,      ///<  64xM VSD
924  DF_VSD16N   = 35,      ///< 16NxM VSD
925#endif
926
927
928#if AMP_SAD
929  DF_SAD12    = 43,
930  DF_SAD24    = 44,
931  DF_SAD48    = 45,
932
933  DF_SADS12   = 46,
934  DF_SADS24   = 47,
935  DF_SADS48   = 48,
936
937  DF_SSE_FRAME = 50     ///< Frame-based SSE
938#else
939  DF_SSE_FRAME = 33     ///< Frame-based SSE
940#endif
941};
942
943/// index for SBAC based RD optimization
944enum CI_IDX
945{
946  CI_CURR_BEST = 0,     ///< best mode index
947  CI_NEXT_BEST,         ///< next best index
948  CI_TEMP_BEST,         ///< temporal index
949  CI_CHROMA_INTRA,      ///< chroma intra index
950  CI_QT_TRAFO_TEST,
951  CI_QT_TRAFO_ROOT,
952  CI_NUM,               ///< total number
953};
954
955/// motion vector predictor direction used in AMVP
956enum MVP_DIR
957{
958  MD_LEFT = 0,          ///< MVP of left block
959  MD_ABOVE,             ///< MVP of above block
960  MD_ABOVE_RIGHT,       ///< MVP of above right block
961  MD_BELOW_LEFT,        ///< MVP of below left block
962  MD_ABOVE_LEFT         ///< MVP of above left block
963};
964
965/// motion vector prediction mode used in AMVP
966enum AMVP_MODE
967{
968  AM_NONE = 0,          ///< no AMVP mode
969  AM_EXPL,              ///< explicit signalling of motion vector index
970};
971
972/// coefficient scanning type used in ACS
973enum COEFF_SCAN_TYPE
974{
975  SCAN_ZIGZAG = 0,      ///< typical zigzag scan
976  SCAN_HOR,             ///< horizontal first scan
977  SCAN_VER,              ///< vertical first scan
978  SCAN_DIAG              ///< up-right diagonal scan
979};
980
981// Renderer
982enum
983{
984  VIEWPOS_INVALID = -1,
985  VIEWPOS_LEFT    = 0,
986  VIEWPOS_RIGHT   = 1,
987  VIEWPOS_MERGED  = 2
988};
989
990//! \}
991
992#endif
993
994
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