source: SHVCSoftware/branches/HM-10.0-dev-SHM/source/Lib/TLibEncoder/TEncCavlc.cpp @ 111

Last change on this file since 111 was 111, checked in by qualcomm, 12 years ago

Added missing macro-enclosures for code submitted in r110.

From: Adarsh K. Ramasubramonian <aramasub@…>
File size: 59.8 KB
Line 
1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license. 
5 *
6 * Copyright (c) 2010-2013, ITU/ISO/IEC
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are met:
11 *
12 *  * Redistributions of source code must retain the above copyright notice,
13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
15 *    this list of conditions and the following disclaimer in the documentation
16 *    and/or other materials provided with the distribution.
17 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/** \file     TEncCavlc.cpp
35    \brief    CAVLC encoder class
36*/
37
38#include "../TLibCommon/CommonDef.h"
39#include "TEncCavlc.h"
40#include "SEIwrite.h"
41
42//! \ingroup TLibEncoder
43//! \{
44
45#if ENC_DEC_TRACE
46
47Void  xTraceSPSHeader (TComSPS *pSPS)
48{
49  fprintf( g_hTrace, "=========== Sequence Parameter Set ID: %d ===========\n", pSPS->getSPSId() );
50}
51
52Void  xTracePPSHeader (TComPPS *pPPS)
53{
54  fprintf( g_hTrace, "=========== Picture Parameter Set ID: %d ===========\n", pPPS->getPPSId() );
55}
56
57Void  xTraceSliceHeader (TComSlice *pSlice)
58{
59  fprintf( g_hTrace, "=========== Slice ===========\n");
60}
61
62#endif
63
64
65
66// ====================================================================================================================
67// Constructor / destructor / create / destroy
68// ====================================================================================================================
69
70TEncCavlc::TEncCavlc()
71{
72  m_pcBitIf           = NULL;
73  m_uiCoeffCost       = 0;
74}
75
76TEncCavlc::~TEncCavlc()
77{
78}
79
80
81// ====================================================================================================================
82// Public member functions
83// ====================================================================================================================
84
85Void TEncCavlc::resetEntropy()
86{
87}
88
89
90Void TEncCavlc::codeDFFlag(UInt uiCode, const Char *pSymbolName)
91{
92  WRITE_FLAG(uiCode, pSymbolName);
93}
94Void TEncCavlc::codeDFSvlc(Int iCode, const Char *pSymbolName)
95{
96  WRITE_SVLC(iCode, pSymbolName);
97}
98
99Void TEncCavlc::codeShortTermRefPicSet( TComSPS* pcSPS, TComReferencePictureSet* rps, Bool calledFromSliceHeader, Int idx)
100{
101#if PRINT_RPS_INFO
102  Int lastBits = getNumberOfWrittenBits();
103#endif
104  if (idx > 0)
105  {
106  WRITE_FLAG( rps->getInterRPSPrediction(), "inter_ref_pic_set_prediction_flag" ); // inter_RPS_prediction_flag
107  }
108  if (rps->getInterRPSPrediction())
109  {
110    Int deltaRPS = rps->getDeltaRPS();
111    if(calledFromSliceHeader)
112    {
113      WRITE_UVLC( rps->getDeltaRIdxMinus1(), "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1
114    }
115
116    WRITE_CODE( (deltaRPS >=0 ? 0: 1), 1, "delta_rps_sign" ); //delta_rps_sign
117    WRITE_UVLC( abs(deltaRPS) - 1, "abs_delta_rps_minus1"); // absolute delta RPS minus 1
118
119    for(Int j=0; j < rps->getNumRefIdc(); j++)
120    {
121      Int refIdc = rps->getRefIdc(j);
122      WRITE_CODE( (refIdc==1? 1: 0), 1, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1
123      if (refIdc != 1) 
124      {
125        WRITE_CODE( refIdc>>1, 1, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise.
126      }
127    }
128  }
129  else
130  {
131    WRITE_UVLC( rps->getNumberOfNegativePictures(), "num_negative_pics" );
132    WRITE_UVLC( rps->getNumberOfPositivePictures(), "num_positive_pics" );
133    Int prev = 0;
134    for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++)
135    {
136      WRITE_UVLC( prev-rps->getDeltaPOC(j)-1, "delta_poc_s0_minus1" );
137      prev = rps->getDeltaPOC(j);
138      WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s0_flag"); 
139    }
140    prev = 0;
141    for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++)
142    {
143      WRITE_UVLC( rps->getDeltaPOC(j)-prev-1, "delta_poc_s1_minus1" );
144      prev = rps->getDeltaPOC(j);
145      WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s1_flag" ); 
146    }
147  }
148
149#if PRINT_RPS_INFO
150  printf("irps=%d (%2d bits) ", rps->getInterRPSPrediction(), getNumberOfWrittenBits() - lastBits);
151  rps->printDeltaPOC();
152#endif
153}
154
155
156Void TEncCavlc::codePPS( TComPPS* pcPPS )
157{
158#if ENC_DEC_TRACE 
159  xTracePPSHeader (pcPPS);
160#endif
161 
162  WRITE_UVLC( pcPPS->getPPSId(),                             "pps_pic_parameter_set_id" );
163  WRITE_UVLC( pcPPS->getSPSId(),                             "pps_seq_parameter_set_id" );
164  WRITE_FLAG( pcPPS->getDependentSliceSegmentsEnabledFlag()    ? 1 : 0, "dependent_slice_segments_enabled_flag" );
165#if L0255_MOVE_PPS_FLAGS
166  WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0,     "output_flag_present_flag" );
167  WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3,        "num_extra_slice_header_bits");
168#endif
169  WRITE_FLAG( pcPPS->getSignHideFlag(), "sign_data_hiding_flag" );
170  WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0,   "cabac_init_present_flag" );
171  WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1,     "num_ref_idx_l0_default_active_minus1");
172  WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1,     "num_ref_idx_l1_default_active_minus1");
173
174  WRITE_SVLC( pcPPS->getPicInitQPMinus26(),                  "init_qp_minus26");
175  WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0,      "constrained_intra_pred_flag" );
176  WRITE_FLAG( pcPPS->getUseTransformSkip() ? 1 : 0,  "transform_skip_enabled_flag" ); 
177  WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" );
178  if ( pcPPS->getUseDQP() )
179  {
180    WRITE_UVLC( pcPPS->getMaxCuDQPDepth(), "diff_cu_qp_delta_depth" );
181  }
182  WRITE_SVLC( pcPPS->getChromaCbQpOffset(),                   "pps_cb_qp_offset" );
183  WRITE_SVLC( pcPPS->getChromaCrQpOffset(),                   "pps_cr_qp_offset" );
184  WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0,          "pps_slice_chroma_qp_offsets_present_flag" );
185
186  WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0,  "weighted_pred_flag" );   // Use of Weighting Prediction (P_SLICE)
187  WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "weighted_bipred_flag" );  // Use of Weighting Bi-Prediction (B_SLICE)
188#if !L0255_MOVE_PPS_FLAGS
189  WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0,  "output_flag_present_flag" );
190#endif
191  WRITE_FLAG( pcPPS->getTransquantBypassEnableFlag() ? 1 : 0, "transquant_bypass_enable_flag" );
192  WRITE_FLAG( pcPPS->getTilesEnabledFlag()             ? 1 : 0, "tiles_enabled_flag" );
193  WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" );
194  if( pcPPS->getTilesEnabledFlag() )
195  {
196    WRITE_UVLC( pcPPS->getNumColumnsMinus1(),                                    "num_tile_columns_minus1" );
197    WRITE_UVLC( pcPPS->getNumRowsMinus1(),                                       "num_tile_rows_minus1" );
198    WRITE_FLAG( pcPPS->getUniformSpacingFlag(),                                  "uniform_spacing_flag" );
199    if( pcPPS->getUniformSpacingFlag() == 0 )
200    {
201      for(UInt i=0; i<pcPPS->getNumColumnsMinus1(); i++)
202      {
203        WRITE_UVLC( pcPPS->getColumnWidth(i)-1,                                  "column_width_minus1" );
204      }
205      for(UInt i=0; i<pcPPS->getNumRowsMinus1(); i++)
206      {
207        WRITE_UVLC( pcPPS->getRowHeight(i)-1,                                    "row_height_minus1" );
208      }
209    }
210    if(pcPPS->getNumColumnsMinus1() !=0 || pcPPS->getNumRowsMinus1() !=0)
211    {
212      WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag()?1 : 0,          "loop_filter_across_tiles_enabled_flag");
213    }
214  }
215  WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag()?1 : 0,        "loop_filter_across_slices_enabled_flag");
216  WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0,       "deblocking_filter_control_present_flag");
217  if(pcPPS->getDeblockingFilterControlPresentFlag())
218  {
219    WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0,  "deblocking_filter_override_enabled_flag" ); 
220    WRITE_FLAG( pcPPS->getPicDisableDeblockingFilterFlag() ? 1 : 0,       "pps_disable_deblocking_filter_flag" );
221    if(!pcPPS->getPicDisableDeblockingFilterFlag())
222    {
223      WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(),             "pps_beta_offset_div2" );
224      WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(),               "pps_tc_offset_div2" );
225    }
226  }
227  WRITE_FLAG( pcPPS->getScalingListPresentFlag() ? 1 : 0,                          "pps_scaling_list_data_present_flag" ); 
228  if( pcPPS->getScalingListPresentFlag() )
229  {
230#if SCALING_LIST_OUTPUT_RESULT
231    printf("PPS\n");
232#endif
233    codeScalingList( m_pcSlice->getScalingList() );
234  }
235  WRITE_FLAG( pcPPS->getListsModificationPresentFlag(), "lists_modification_present_flag");
236  WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2");
237#if !L0255_MOVE_PPS_FLAGS
238  WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits");
239#endif
240  WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_segment_header_extension_present_flag");
241  WRITE_FLAG( 0, "pps_extension_flag" );
242}
243
244Void TEncCavlc::codeVUI( TComVUI *pcVUI, TComSPS* pcSPS )
245{
246#if ENC_DEC_TRACE
247  fprintf( g_hTrace, "----------- vui_parameters -----------\n");
248#endif
249  WRITE_FLAG(pcVUI->getAspectRatioInfoPresentFlag(),            "aspect_ratio_info_present_flag");
250  if (pcVUI->getAspectRatioInfoPresentFlag())
251  {
252    WRITE_CODE(pcVUI->getAspectRatioIdc(), 8,                   "aspect_ratio_idc" );
253    if (pcVUI->getAspectRatioIdc() == 255)
254    {
255      WRITE_CODE(pcVUI->getSarWidth(), 16,                      "sar_width");
256      WRITE_CODE(pcVUI->getSarHeight(), 16,                     "sar_height");
257    }
258  }
259  WRITE_FLAG(pcVUI->getOverscanInfoPresentFlag(),               "overscan_info_present_flag");
260  if (pcVUI->getOverscanInfoPresentFlag())
261  {
262    WRITE_FLAG(pcVUI->getOverscanAppropriateFlag(),             "overscan_appropriate_flag");
263  }
264  WRITE_FLAG(pcVUI->getVideoSignalTypePresentFlag(),            "video_signal_type_present_flag");
265  if (pcVUI->getVideoSignalTypePresentFlag())
266  {
267    WRITE_CODE(pcVUI->getVideoFormat(), 3,                      "video_format");
268    WRITE_FLAG(pcVUI->getVideoFullRangeFlag(),                  "video_full_range_flag");
269    WRITE_FLAG(pcVUI->getColourDescriptionPresentFlag(),        "colour_description_present_flag");
270    if (pcVUI->getColourDescriptionPresentFlag())
271    {
272      WRITE_CODE(pcVUI->getColourPrimaries(), 8,                "colour_primaries");
273      WRITE_CODE(pcVUI->getTransferCharacteristics(), 8,        "transfer_characteristics");
274      WRITE_CODE(pcVUI->getMatrixCoefficients(), 8,             "matrix_coefficients");
275    }
276  }
277
278  WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(),              "chroma_loc_info_present_flag");
279  if (pcVUI->getChromaLocInfoPresentFlag())
280  {
281    WRITE_UVLC(pcVUI->getChromaSampleLocTypeTopField(),         "chroma_sample_loc_type_top_field");
282    WRITE_UVLC(pcVUI->getChromaSampleLocTypeBottomField(),      "chroma_sample_loc_type_bottom_field");
283  }
284
285  WRITE_FLAG(pcVUI->getNeutralChromaIndicationFlag(),           "neutral_chroma_indication_flag");
286  WRITE_FLAG(pcVUI->getFieldSeqFlag(),                          "field_seq_flag");
287  assert(pcVUI->getFieldSeqFlag() == 0);                        // not currently supported
288  WRITE_FLAG(pcVUI->getFrameFieldInfoPresentFlag(),             "frame_field_info_present_flag");
289
290  Window defaultDisplayWindow = pcVUI->getDefaultDisplayWindow();
291  WRITE_FLAG(defaultDisplayWindow.getWindowEnabledFlag(),       "default_display_window_flag");
292  if( defaultDisplayWindow.getWindowEnabledFlag() )
293  {
294    WRITE_UVLC(defaultDisplayWindow.getWindowLeftOffset(),      "def_disp_win_left_offset");
295    WRITE_UVLC(defaultDisplayWindow.getWindowRightOffset(),     "def_disp_win_right_offset");
296    WRITE_UVLC(defaultDisplayWindow.getWindowTopOffset(),       "def_disp_win_top_offset");
297    WRITE_UVLC(defaultDisplayWindow.getWindowBottomOffset(),    "def_disp_win_bottom_offset");
298  }
299#if L0043_TIMING_INFO
300  TimingInfo *timingInfo = pcVUI->getTimingInfo();
301  WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(),          "vui_timing_info_present_flag");
302  if(timingInfo->getTimingInfoPresentFlag())
303  {
304    WRITE_CODE(timingInfo->getNumUnitsInTick(), 32,           "vui_num_units_in_tick");
305    WRITE_CODE(timingInfo->getTimeScale(),      32,           "vui_time_scale");
306    WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(),  "vui_poc_proportional_to_timing_flag");
307    if(timingInfo->getPocProportionalToTimingFlag())
308    {
309      WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(),   "vui_num_ticks_poc_diff_one_minus1");
310    }
311#endif
312  WRITE_FLAG(pcVUI->getHrdParametersPresentFlag(),              "hrd_parameters_present_flag");
313  if( pcVUI->getHrdParametersPresentFlag() )
314  {
315    codeHrdParameters(pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 );
316  }
317#if L0043_TIMING_INFO
318  }
319#endif
320#if !L0043_TIMING_INFO
321  WRITE_FLAG( pcVUI->getPocProportionalToTimingFlag(), "poc_proportional_to_timing_flag" );
322  if( pcVUI->getPocProportionalToTimingFlag() && pcVUI->getHrdParameters()->getTimingInfoPresentFlag() )
323  {
324    WRITE_UVLC( pcVUI->getNumTicksPocDiffOneMinus1(), "num_ticks_poc_diff_one_minus1" );
325  }
326#endif
327
328  WRITE_FLAG(pcVUI->getBitstreamRestrictionFlag(),              "bitstream_restriction_flag");
329  if (pcVUI->getBitstreamRestrictionFlag())
330  {
331    WRITE_FLAG(pcVUI->getTilesFixedStructureFlag(),             "tiles_fixed_structure_flag");
332    WRITE_FLAG(pcVUI->getMotionVectorsOverPicBoundariesFlag(),  "motion_vectors_over_pic_boundaries_flag");
333    WRITE_FLAG(pcVUI->getRestrictedRefPicListsFlag(),           "restricted_ref_pic_lists_flag");
334#if L0043_MSS_IDC
335    WRITE_UVLC(pcVUI->getMinSpatialSegmentationIdc(),           "min_spatial_segmentation_idc");
336#else
337    WRITE_CODE(pcVUI->getMinSpatialSegmentationIdc(),        8, "min_spatial_segmentation_idc");
338#endif
339    WRITE_UVLC(pcVUI->getMaxBytesPerPicDenom(),                 "max_bytes_per_pic_denom");
340    WRITE_UVLC(pcVUI->getMaxBitsPerMinCuDenom(),                "max_bits_per_mincu_denom");
341    WRITE_UVLC(pcVUI->getLog2MaxMvLengthHorizontal(),           "log2_max_mv_length_horizontal");
342    WRITE_UVLC(pcVUI->getLog2MaxMvLengthVertical(),             "log2_max_mv_length_vertical");
343  }
344}
345
346Void TEncCavlc::codeHrdParameters( TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1 )
347{
348  if( commonInfPresentFlag )
349  {
350#if !L0043_TIMING_INFO
351    WRITE_FLAG( hrd->getTimingInfoPresentFlag() ? 1 : 0,        "timing_info_present_flag" );
352    if( hrd->getTimingInfoPresentFlag() )
353    {
354      WRITE_CODE( hrd->getNumUnitsInTick(), 32,                  "num_units_in_tick" );
355      WRITE_CODE( hrd->getTimeScale(),      32,                  "time_scale" );
356    }
357#endif
358    WRITE_FLAG( hrd->getNalHrdParametersPresentFlag() ? 1 : 0 ,  "nal_hrd_parameters_present_flag" );
359    WRITE_FLAG( hrd->getVclHrdParametersPresentFlag() ? 1 : 0 ,  "vcl_hrd_parameters_present_flag" );
360    if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() )
361    {
362      WRITE_FLAG( hrd->getSubPicCpbParamsPresentFlag() ? 1 : 0,  "sub_pic_cpb_params_present_flag" );
363      if( hrd->getSubPicCpbParamsPresentFlag() )
364      {
365        WRITE_CODE( hrd->getTickDivisorMinus2(), 8,              "tick_divisor_minus2" );
366        WRITE_CODE( hrd->getDuCpbRemovalDelayLengthMinus1(), 5,  "du_cpb_removal_delay_length_minus1" );
367        WRITE_FLAG( hrd->getSubPicCpbParamsInPicTimingSEIFlag() ? 1 : 0, "sub_pic_cpb_params_in_pic_timing_sei_flag" );
368#if L0044_DU_DPB_OUTPUT_DELAY_HRD
369        WRITE_CODE( hrd->getDpbOutputDelayDuLengthMinus1(), 5,   "dpb_output_delay_du_length_minus1"  );
370#endif
371      }
372      WRITE_CODE( hrd->getBitRateScale(), 4,                     "bit_rate_scale" );
373      WRITE_CODE( hrd->getCpbSizeScale(), 4,                     "cpb_size_scale" );
374      if( hrd->getSubPicCpbParamsPresentFlag() )
375      {
376        WRITE_CODE( hrd->getDuCpbSizeScale(), 4,                "du_cpb_size_scale" ); 
377      }
378      WRITE_CODE( hrd->getInitialCpbRemovalDelayLengthMinus1(), 5, "initial_cpb_removal_delay_length_minus1" );
379      WRITE_CODE( hrd->getCpbRemovalDelayLengthMinus1(),        5, "au_cpb_removal_delay_length_minus1" );
380      WRITE_CODE( hrd->getDpbOutputDelayLengthMinus1(),         5, "dpb_output_delay_length_minus1" );
381    }
382  }
383  Int i, j, nalOrVcl;
384  for( i = 0; i <= maxNumSubLayersMinus1; i ++ )
385  {
386    WRITE_FLAG( hrd->getFixedPicRateFlag( i ) ? 1 : 0,          "fixed_pic_rate_general_flag");
387    if( !hrd->getFixedPicRateFlag( i ) )
388    {
389      WRITE_FLAG( hrd->getFixedPicRateWithinCvsFlag( i ) ? 1 : 0, "fixed_pic_rate_within_cvs_flag");
390    }
391    else
392    {
393      hrd->setFixedPicRateWithinCvsFlag( i, true );
394    }
395    if( hrd->getFixedPicRateWithinCvsFlag( i ) )
396    {
397      WRITE_UVLC( hrd->getPicDurationInTcMinus1( i ),           "elemental_duration_in_tc_minus1");
398    }
399#if L0372
400    else
401    {
402      WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0,           "low_delay_hrd_flag");
403    }
404    if (!hrd->getLowDelayHrdFlag( i ))
405    {
406      WRITE_UVLC( hrd->getCpbCntMinus1( i ),                      "cpb_cnt_minus1");
407    }
408#else
409    WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0,           "low_delay_hrd_flag");
410    WRITE_UVLC( hrd->getCpbCntMinus1( i ),                      "cpb_cnt_minus1");
411#endif
412   
413    for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
414    {
415      if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
416          ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
417      {
418        for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ )
419        {
420          WRITE_UVLC( hrd->getBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_value_minus1");
421          WRITE_UVLC( hrd->getCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_value_minus1");
422          if( hrd->getSubPicCpbParamsPresentFlag() )
423          {
424#if L0363_DU_BIT_RATE
425            WRITE_UVLC( hrd->getDuBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_du_value_minus1");
426#endif
427            WRITE_UVLC( hrd->getDuCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_du_value_minus1"); 
428          }
429          WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag");
430        }
431      }
432    }
433  }
434}
435
436Void TEncCavlc::codeSPS( TComSPS* pcSPS )
437{
438#if ENC_DEC_TRACE 
439  xTraceSPSHeader (pcSPS);
440#endif
441  WRITE_CODE( pcSPS->getVPSId (),          4,       "sps_video_parameter_set_id" );
442  WRITE_CODE( pcSPS->getMaxTLayers() - 1,  3,       "sps_max_sub_layers_minus1" );
443  WRITE_FLAG( pcSPS->getTemporalIdNestingFlag() ? 1 : 0,                             "sps_temporal_id_nesting_flag" );
444  codePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1);
445  WRITE_UVLC( pcSPS->getSPSId (),                   "sps_seq_parameter_set_id" );
446  WRITE_UVLC( pcSPS->getChromaFormatIdc (),         "chroma_format_idc" );
447  assert(pcSPS->getChromaFormatIdc () == 1);
448  // in the first version chroma_format_idc can only be equal to 1 (4:2:0)
449  if( pcSPS->getChromaFormatIdc () == 3 )
450  {
451    WRITE_FLAG( 0,                                  "separate_colour_plane_flag");
452  }
453
454  WRITE_UVLC( pcSPS->getPicWidthInLumaSamples (),   "pic_width_in_luma_samples" );
455  WRITE_UVLC( pcSPS->getPicHeightInLumaSamples(),   "pic_height_in_luma_samples" );
456  Window conf = pcSPS->getConformanceWindow();
457
458  WRITE_FLAG( conf.getWindowEnabledFlag(),          "conformance_window_flag" );
459  if (conf.getWindowEnabledFlag())
460  {
461    WRITE_UVLC( conf.getWindowLeftOffset()   / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_left_offset" );
462    WRITE_UVLC( conf.getWindowRightOffset()  / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_right_offset" );
463    WRITE_UVLC( conf.getWindowTopOffset()    / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_top_offset" );
464    WRITE_UVLC( conf.getWindowBottomOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_bottom_offset" );
465  }
466
467  WRITE_UVLC( pcSPS->getBitDepthY() - 8,             "bit_depth_luma_minus8" );
468  WRITE_UVLC( pcSPS->getBitDepthC() - 8,             "bit_depth_chroma_minus8" );
469
470  WRITE_UVLC( pcSPS->getBitsForPOC()-4,                 "log2_max_pic_order_cnt_lsb_minus4" );
471
472  const Bool subLayerOrderingInfoPresentFlag = 1;
473  WRITE_FLAG(subLayerOrderingInfoPresentFlag,       "sps_sub_layer_ordering_info_present_flag");
474  for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++)
475  {
476    WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i),           "sps_max_dec_pic_buffering[i]" );
477    WRITE_UVLC( pcSPS->getNumReorderPics(i),               "sps_num_reorder_pics[i]" );
478    WRITE_UVLC( pcSPS->getMaxLatencyIncrease(i),           "sps_max_latency_increase[i]" );
479    if (!subLayerOrderingInfoPresentFlag)
480    {
481      break;
482    }
483  }
484  assert( pcSPS->getMaxCUWidth() == pcSPS->getMaxCUHeight() );
485 
486  UInt MinCUSize = pcSPS->getMaxCUWidth() >> ( pcSPS->getMaxCUDepth()-g_uiAddCUDepth );
487  UInt log2MinCUSize = 0;
488  while(MinCUSize > 1)
489  {
490    MinCUSize >>= 1;
491    log2MinCUSize++;
492  }
493
494  WRITE_UVLC( log2MinCUSize - 3,                                                     "log2_min_coding_block_size_minus3" );
495  WRITE_UVLC( pcSPS->getMaxCUDepth()-g_uiAddCUDepth,                                 "log2_diff_max_min_coding_block_size" );
496  WRITE_UVLC( pcSPS->getQuadtreeTULog2MinSize() - 2,                                 "log2_min_transform_block_size_minus2" );
497  WRITE_UVLC( pcSPS->getQuadtreeTULog2MaxSize() - pcSPS->getQuadtreeTULog2MinSize(), "log2_diff_max_min_transform_block_size" );
498  WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthInter() - 1,                               "max_transform_hierarchy_depth_inter" );
499  WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthIntra() - 1,                               "max_transform_hierarchy_depth_intra" );
500  WRITE_FLAG( pcSPS->getScalingListFlag() ? 1 : 0,                                   "scaling_list_enabled_flag" ); 
501  if(pcSPS->getScalingListFlag())
502  {
503    WRITE_FLAG( pcSPS->getScalingListPresentFlag() ? 1 : 0,                          "sps_scaling_list_data_present_flag" ); 
504    if(pcSPS->getScalingListPresentFlag())
505    {
506#if SCALING_LIST_OUTPUT_RESULT
507    printf("SPS\n");
508#endif
509      codeScalingList( m_pcSlice->getScalingList() );
510    }
511  }
512  WRITE_FLAG( pcSPS->getUseAMP() ? 1 : 0,                                            "amp_enabled_flag" );
513  WRITE_FLAG( pcSPS->getUseSAO() ? 1 : 0,                                            "sample_adaptive_offset_enabled_flag");
514
515  WRITE_FLAG( pcSPS->getUsePCM() ? 1 : 0,                                            "pcm_enabled_flag");
516  if( pcSPS->getUsePCM() )
517  {
518    WRITE_CODE( pcSPS->getPCMBitDepthLuma() - 1, 4,                                  "pcm_sample_bit_depth_luma_minus1" );
519    WRITE_CODE( pcSPS->getPCMBitDepthChroma() - 1, 4,                                "pcm_sample_bit_depth_chroma_minus1" );
520    WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3,                                      "log2_min_pcm_luma_coding_block_size_minus3" );
521    WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(),             "log2_diff_max_min_pcm_luma_coding_block_size" );
522    WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0,                              "pcm_loop_filter_disable_flag");
523  }
524
525  assert( pcSPS->getMaxTLayers() > 0 );         
526
527  TComRPSList* rpsList = pcSPS->getRPSList();
528  TComReferencePictureSet*      rps;
529
530  WRITE_UVLC(rpsList->getNumberOfReferencePictureSets(), "num_short_term_ref_pic_sets" );
531  for(Int i=0; i < rpsList->getNumberOfReferencePictureSets(); i++)
532  {
533    rps = rpsList->getReferencePictureSet(i);
534    codeShortTermRefPicSet(pcSPS,rps,false, i);
535  }
536  WRITE_FLAG( pcSPS->getLongTermRefsPresent() ? 1 : 0,         "long_term_ref_pics_present_flag" );
537  if (pcSPS->getLongTermRefsPresent()) 
538  {
539    WRITE_UVLC(pcSPS->getNumLongTermRefPicSPS(), "num_long_term_ref_pic_sps" );
540    for (UInt k = 0; k < pcSPS->getNumLongTermRefPicSPS(); k++)
541    {
542      WRITE_CODE( pcSPS->getLtRefPicPocLsbSps(k), pcSPS->getBitsForPOC(), "lt_ref_pic_poc_lsb_sps");
543      WRITE_FLAG( pcSPS->getUsedByCurrPicLtSPSFlag(k), "used_by_curr_pic_lt_sps_flag");
544    }
545  }
546  WRITE_FLAG( pcSPS->getTMVPFlagsPresent()  ? 1 : 0,           "sps_temporal_mvp_enable_flag" );
547#if REF_IDX_MFM
548  if( pcSPS->getLayerId() > 0 )
549  {
550    WRITE_FLAG( pcSPS->getMFMEnabledFlag() ? 1 : 0,          "sps_enh_mfm_enable_flag" );
551  }
552#endif
553  WRITE_FLAG( pcSPS->getUseStrongIntraSmoothing(),             "sps_strong_intra_smoothing_enable_flag" );
554
555  WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(),             "vui_parameters_present_flag" );
556  if (pcSPS->getVuiParametersPresentFlag())
557  {
558      codeVUI(pcSPS->getVuiParameters(), pcSPS);
559  }
560
561  WRITE_FLAG( 0, "sps_extension_flag" );
562}
563
564Void TEncCavlc::codeVPS( TComVPS* pcVPS )
565{
566  WRITE_CODE( pcVPS->getVPSId(),                    4,        "vps_video_parameter_set_id" );
567  WRITE_CODE( 3,                                    2,        "vps_reserved_three_2bits" );
568  WRITE_CODE( 0,                                    6,        "vps_reserved_zero_6bits" );
569  WRITE_CODE( pcVPS->getMaxTLayers() - 1,           3,        "vps_max_sub_layers_minus1" );
570  WRITE_FLAG( pcVPS->getTemporalNestingFlag(),                "vps_temporal_id_nesting_flag" );
571  assert (pcVPS->getMaxTLayers()>1||pcVPS->getTemporalNestingFlag());
572  WRITE_CODE( 0xffff,                              16,        "vps_reserved_ffff_16bits" );
573  codePTL( pcVPS->getPTL(), true, pcVPS->getMaxTLayers() - 1 );
574#if SIGNAL_BITRATE_PICRATE_IN_VPS
575  codeBitratePicRateInfo(pcVPS->getBitratePicrateInfo(), 0, pcVPS->getMaxTLayers() - 1);
576#endif 
577  const Bool subLayerOrderingInfoPresentFlag = 1;
578  WRITE_FLAG(subLayerOrderingInfoPresentFlag,              "vps_sub_layer_ordering_info_present_flag");
579  for(UInt i=0; i <= pcVPS->getMaxTLayers()-1; i++)
580  {
581    WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i),           "vps_max_dec_pic_buffering[i]" );
582    WRITE_UVLC( pcVPS->getNumReorderPics(i),               "vps_num_reorder_pics[i]" );
583    WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i),           "vps_max_latency_increase[i]" );
584    if (!subLayerOrderingInfoPresentFlag)
585    {
586      break;
587    }
588  }
589
590#if VPS_RENAME
591  assert( pcVPS->getNumHrdParameters() <= MAX_VPS_LAYER_SETS_PLUS1 );
592  assert( pcVPS->getMaxLayerId() < MAX_VPS_LAYER_ID_PLUS1 );
593#if !VPS_EXTN_OP_LAYER_SETS     // num layer sets set in TAppEncTop.cpp
594  pcVPS->setNumLayerSets(1);
595#endif
596  WRITE_CODE( pcVPS->getMaxLayerId(), 6,                       "vps_max_layer_id" );
597  WRITE_UVLC( pcVPS->getNumLayerSets() - 1,                 "vps_num_layer_sets_minus1" );
598  for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getNumLayerSets() - 1 ); opsIdx ++ )
599  {
600    // Operation point set
601    for( UInt i = 0; i <= pcVPS->getMaxLayerId(); i ++ )
602#else
603  assert( pcVPS->getNumHrdParameters() <= MAX_VPS_NUM_HRD_PARAMETERS );
604  assert( pcVPS->getMaxNuhReservedZeroLayerId() < MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1 );
605  WRITE_CODE( pcVPS->getMaxNuhReservedZeroLayerId(), 6,     "vps_max_nuh_reserved_zero_layer_id" );
606  pcVPS->setMaxOpSets(1);
607  WRITE_UVLC( pcVPS->getMaxOpSets() - 1,                    "vps_max_op_sets_minus1" );
608  for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ )
609  {
610    // Operation point set
611    for( UInt i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ )
612#endif
613    {
614#if !VPS_EXTN_OP_LAYER_SETS     // layer Id include flag set in TAppEncTop.cpp
615      // Only applicable for version 1
616      pcVPS->setLayerIdIncludedFlag( true, opsIdx, i );
617#endif
618      WRITE_FLAG( pcVPS->getLayerIdIncludedFlag( opsIdx, i ) ? 1 : 0, "layer_id_included_flag[opsIdx][i]" );
619    }
620  }
621#if L0043_TIMING_INFO
622  TimingInfo *timingInfo = pcVPS->getTimingInfo();
623  WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(),          "vps_timing_info_present_flag");
624  if(timingInfo->getTimingInfoPresentFlag())
625  {
626    WRITE_CODE(timingInfo->getNumUnitsInTick(), 32,           "vps_num_units_in_tick");
627    WRITE_CODE(timingInfo->getTimeScale(),      32,           "vps_time_scale");
628    WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(),  "vps_poc_proportional_to_timing_flag");
629    if(timingInfo->getPocProportionalToTimingFlag())
630    {
631      WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(),   "vps_num_ticks_poc_diff_one_minus1");
632    }
633#endif
634    pcVPS->setNumHrdParameters( 0 );
635    WRITE_UVLC( pcVPS->getNumHrdParameters(),                 "vps_num_hrd_parameters" );
636
637    if( pcVPS->getNumHrdParameters() > 0 )
638    {
639      pcVPS->createHrdParamBuffer();
640    }
641    for( UInt i = 0; i < pcVPS->getNumHrdParameters(); i ++ )
642    {
643      // Only applicable for version 1
644      pcVPS->setHrdOpSetIdx( 0, i );
645      WRITE_UVLC( pcVPS->getHrdOpSetIdx( i ),                "hrd_op_set_idx" );
646      if( i > 0 )
647      {
648        WRITE_FLAG( pcVPS->getCprmsPresentFlag( i ) ? 1 : 0, "cprms_present_flag[i]" );
649      }
650      codeHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1);
651    }
652#if L0043_TIMING_INFO
653  }
654#endif
655#if !VPS_EXTNS
656  WRITE_FLAG( 0,                     "vps_extension_flag" );
657#else
658  WRITE_FLAG( 1,                     "vps_extension_flag" );
659  codeVPSExtension(pcVPS);
660  WRITE_FLAG( 0,                     "vps_extension2_flag" );   // Flag value of 1 reserved
661#endif 
662  //future extensions here..
663 
664  return;
665}
666
667#if VPS_EXTNS
668Void TEncCavlc::codeVPSExtension (TComVPS *vps)
669{
670  // ... More syntax elements to be written here
671
672#if VPS_EXTN_OP_LAYER_SETS
673  // Target output layer signalling
674  WRITE_UVLC( vps->getNumOutputLayerSets(),            "vps_num_output_layer_sets");
675  for(Int i = 0; i < vps->getNumOutputLayerSets(); i++)
676  {
677    WRITE_UVLC( vps->getOutputLayerSetIdx(i),           "vps_output_layer_set_idx[i]");
678    Int lsIdx = vps->getOutputLayerSetIdx(i);
679    for(Int j = 0; j <= vps->getMaxLayerId(); j++)
680    {
681      if(vps->getLayerIdIncludedFlag(lsIdx, j))
682      {
683        WRITE_FLAG( vps->getOutputLayerFlag(lsIdx, j), "vps_output_layer_flag[lsIdx][j]");
684      }
685    }
686  }
687#endif
688  // ... More syntax elements to be written here
689}
690#endif
691
692Void TEncCavlc::codeSliceHeader         ( TComSlice* pcSlice )
693{
694#if ENC_DEC_TRACE 
695  xTraceSliceHeader (pcSlice);
696#endif
697
698  //calculate number of bits required for slice address
699  Int maxSliceSegmentAddress = pcSlice->getPic()->getNumCUsInFrame();
700  Int bitsSliceSegmentAddress = 0;
701  while(maxSliceSegmentAddress>(1<<bitsSliceSegmentAddress)) 
702  {
703    bitsSliceSegmentAddress++;
704  }
705  Int ctuAddress;
706  if (pcSlice->isNextSlice())
707  {
708    // Calculate slice address
709    ctuAddress = (pcSlice->getSliceCurStartCUAddr()/pcSlice->getPic()->getNumPartInCU());
710  }
711  else
712  {
713    // Calculate slice address
714    ctuAddress = (pcSlice->getSliceSegmentCurStartCUAddr()/pcSlice->getPic()->getNumPartInCU());
715  }
716  //write slice address
717  Int sliceSegmentAddress = pcSlice->getPic()->getPicSym()->getCUOrderMap(ctuAddress);
718
719  WRITE_FLAG( sliceSegmentAddress==0, "first_slice_segment_in_pic_flag" );
720  if ( pcSlice->getRapPicFlag() )
721  {
722    WRITE_FLAG( 0, "no_output_of_prior_pics_flag" );
723  }
724  WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "slice_pic_parameter_set_id" );
725  pcSlice->setDependentSliceSegmentFlag(!pcSlice->isNextSlice());
726  if ( pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag() && (sliceSegmentAddress!=0) )
727  {
728    WRITE_FLAG( pcSlice->getDependentSliceSegmentFlag() ? 1 : 0, "dependent_slice_segment_flag" );
729  }
730  if(sliceSegmentAddress>0)
731  {
732    WRITE_CODE( sliceSegmentAddress, bitsSliceSegmentAddress, "slice_segment_address" );
733  }
734  if ( !pcSlice->getDependentSliceSegmentFlag() )
735  {
736    for (Int i = 0; i < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++)
737    {
738      assert(!!"slice_reserved_undetermined_flag[]");
739      WRITE_FLAG(0, "slice_reserved_undetermined_flag[]");
740    }
741
742    WRITE_UVLC( pcSlice->getSliceType(),       "slice_type" );
743
744    if( pcSlice->getPPS()->getOutputFlagPresentFlag() )
745    {
746      WRITE_FLAG( pcSlice->getPicOutputFlag() ? 1 : 0, "pic_output_flag" );
747    }
748
749    // in the first version chroma_format_idc is equal to one, thus colour_plane_id will not be present
750    assert (pcSlice->getSPS()->getChromaFormatIdc() == 1 );
751    // if( separate_colour_plane_flag  ==  1 )
752    //   colour_plane_id                                      u(2)
753
754    if( !pcSlice->getIdrPicFlag() )
755    {
756      Int picOrderCntLSB = (pcSlice->getPOC()-pcSlice->getLastIDR()+(1<<pcSlice->getSPS()->getBitsForPOC()))%(1<<pcSlice->getSPS()->getBitsForPOC());
757      WRITE_CODE( picOrderCntLSB, pcSlice->getSPS()->getBitsForPOC(), "pic_order_cnt_lsb");
758      TComReferencePictureSet* rps = pcSlice->getRPS();
759      if(pcSlice->getRPSidx() < 0)
760      {
761        WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag");
762        codeShortTermRefPicSet(pcSlice->getSPS(), rps, true, pcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets());
763      }
764      else
765      {
766        WRITE_FLAG( 1, "short_term_ref_pic_set_sps_flag");
767        Int numBits = 0;
768        while ((1 << numBits) < pcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets())
769        {
770          numBits++;
771        }
772        if (numBits > 0)
773        {
774          WRITE_CODE( pcSlice->getRPSidx(), numBits, "short_term_ref_pic_set_idx" );         
775        }
776      }
777      if(pcSlice->getSPS()->getLongTermRefsPresent())
778      {
779        Int numLtrpInSH = rps->getNumberOfLongtermPictures();
780        Int ltrpInSPS[MAX_NUM_REF_PICS];
781        Int numLtrpInSPS = 0;
782        UInt ltrpIndex;
783        Int counter = 0;
784        for(Int k = rps->getNumberOfPictures()-1; k > rps->getNumberOfPictures()-rps->getNumberOfLongtermPictures()-1; k--) 
785        {
786          if (findMatchingLTRP(pcSlice, &ltrpIndex, rps->getPOC(k), rps->getUsed(k))) 
787          {
788            ltrpInSPS[numLtrpInSPS] = ltrpIndex;
789            numLtrpInSPS++;
790          }
791          else
792          {
793            counter++;
794          }
795        }
796        numLtrpInSH -= numLtrpInSPS;
797
798        Int bitsForLtrpInSPS = 0;
799        while (pcSlice->getSPS()->getNumLongTermRefPicSPS() > (1 << bitsForLtrpInSPS))
800        {
801          bitsForLtrpInSPS++;
802        }
803        if (pcSlice->getSPS()->getNumLongTermRefPicSPS() > 0) 
804        {
805          WRITE_UVLC( numLtrpInSPS, "num_long_term_sps");
806        }
807        WRITE_UVLC( numLtrpInSH, "num_long_term_pics");
808        // Note that the LSBs of the LT ref. pic. POCs must be sorted before.
809        // Not sorted here because LT ref indices will be used in setRefPicList()
810        Int prevDeltaMSB = 0, prevLSB = 0;
811        Int offset = rps->getNumberOfNegativePictures() + rps->getNumberOfPositivePictures();
812        for(Int i=rps->getNumberOfPictures()-1 ; i > offset-1; i--)
813        {
814          if (counter < numLtrpInSPS)
815          {
816            if (bitsForLtrpInSPS > 0)
817            {
818              WRITE_CODE( ltrpInSPS[counter], bitsForLtrpInSPS, "lt_idx_sps[i]");             
819            }
820          }
821          else 
822          {
823            WRITE_CODE( rps->getPocLSBLT(i), pcSlice->getSPS()->getBitsForPOC(), "poc_lsb_lt");
824            WRITE_FLAG( rps->getUsed(i), "used_by_curr_pic_lt_flag"); 
825          }
826          WRITE_FLAG( rps->getDeltaPocMSBPresentFlag(i), "delta_poc_msb_present_flag");
827
828          if(rps->getDeltaPocMSBPresentFlag(i))
829          {
830            Bool deltaFlag = false;
831            //  First LTRP from SPS                 ||  First LTRP from SH                              || curr LSB            != prev LSB
832            if( (i == rps->getNumberOfPictures()-1) || (i == rps->getNumberOfPictures()-1-numLtrpInSPS) || (rps->getPocLSBLT(i) != prevLSB) )
833            {
834              deltaFlag = true;
835            }
836            if(deltaFlag)
837            {
838              WRITE_UVLC( rps->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i]" );
839            }
840            else
841            {             
842              Int differenceInDeltaMSB = rps->getDeltaPocMSBCycleLT(i) - prevDeltaMSB;
843              assert(differenceInDeltaMSB >= 0);
844              WRITE_UVLC( differenceInDeltaMSB, "delta_poc_msb_cycle_lt[i]" );
845            }
846            prevLSB = rps->getPocLSBLT(i);
847            prevDeltaMSB = rps->getDeltaPocMSBCycleLT(i);
848          }
849        }
850      }
851      if (pcSlice->getSPS()->getTMVPFlagsPresent())
852      {
853        WRITE_FLAG( pcSlice->getEnableTMVPFlag() ? 1 : 0, "slice_temporal_mvp_enable_flag" );
854      }
855    }
856    if(pcSlice->getSPS()->getUseSAO())
857    {
858      if (pcSlice->getSPS()->getUseSAO())
859      {
860         WRITE_FLAG( pcSlice->getSaoEnabledFlag(), "slice_sao_luma_flag" );
861         {
862           SAOParam *saoParam = pcSlice->getPic()->getPicSym()->getSaoParam();
863          WRITE_FLAG( saoParam->bSaoFlag[1], "slice_sao_chroma_flag" );
864         }
865      }
866    }
867
868    //check if numrefidxes match the defaults. If not, override
869
870    if (!pcSlice->isIntra())
871    {
872      Bool overrideFlag = (pcSlice->getNumRefIdx( REF_PIC_LIST_0 )!=pcSlice->getPPS()->getNumRefIdxL0DefaultActive()||(pcSlice->isInterB()&&pcSlice->getNumRefIdx( REF_PIC_LIST_1 )!=pcSlice->getPPS()->getNumRefIdxL1DefaultActive()));
873      WRITE_FLAG( overrideFlag ? 1 : 0,                               "num_ref_idx_active_override_flag");
874      if (overrideFlag) 
875      {
876        WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) - 1,      "num_ref_idx_l0_active_minus1" );
877        if (pcSlice->isInterB())
878        {
879          WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) - 1,    "num_ref_idx_l1_active_minus1" );
880        }
881        else
882        {
883          pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0);
884        }
885      }
886    }
887    else
888    {
889      pcSlice->setNumRefIdx(REF_PIC_LIST_0, 0);
890      pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0);
891    }
892
893    if( pcSlice->getPPS()->getListsModificationPresentFlag() && pcSlice->getNumRpsCurrTempList() > 1)
894    {
895      TComRefPicListModification* refPicListModification = pcSlice->getRefPicListModification();
896      if(!pcSlice->isIntra())
897      {
898        WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0() ? 1 : 0,       "ref_pic_list_modification_flag_l0" );
899        if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0())
900        {
901          Int numRpsCurrTempList0 = pcSlice->getNumRpsCurrTempList();
902          if (numRpsCurrTempList0 > 1)
903          {
904            Int length = 1;
905            numRpsCurrTempList0 --;
906            while ( numRpsCurrTempList0 >>= 1) 
907            {
908              length ++;
909            }
910            for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_0 ); i++)
911            {
912              WRITE_CODE( refPicListModification->getRefPicSetIdxL0(i), length, "list_entry_l0");
913            }
914          }
915        }
916      }
917      if(pcSlice->isInterB())
918      {   
919        WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1() ? 1 : 0,       "ref_pic_list_modification_flag_l1" );
920        if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1())
921        {
922          Int numRpsCurrTempList1 = pcSlice->getNumRpsCurrTempList();
923          if ( numRpsCurrTempList1 > 1 )
924          {
925            Int length = 1;
926            numRpsCurrTempList1 --;
927            while ( numRpsCurrTempList1 >>= 1)
928            {
929              length ++;
930            }
931            for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_1 ); i++)
932            {
933              WRITE_CODE( refPicListModification->getRefPicSetIdxL1(i), length, "list_entry_l1");
934            }
935          }
936        }
937      }
938    }
939   
940    if (pcSlice->isInterB())
941    {
942      WRITE_FLAG( pcSlice->getMvdL1ZeroFlag() ? 1 : 0,   "mvd_l1_zero_flag");
943    }
944
945    if(!pcSlice->isIntra())
946    {
947      if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag())
948      {
949        SliceType sliceType   = pcSlice->getSliceType();
950        Int  encCABACTableIdx = pcSlice->getPPS()->getEncCABACTableIdx();
951        Bool encCabacInitFlag = (sliceType!=encCABACTableIdx && encCABACTableIdx!=I_SLICE) ? true : false;
952        pcSlice->setCabacInitFlag( encCabacInitFlag );
953        WRITE_FLAG( encCabacInitFlag?1:0, "cabac_init_flag" );
954      }
955    }
956
957    if ( pcSlice->getEnableTMVPFlag() )
958    {
959      if ( pcSlice->getSliceType() == B_SLICE )
960      {
961        WRITE_FLAG( pcSlice->getColFromL0Flag(), "collocated_from_l0_flag" );
962      }
963
964      if ( pcSlice->getSliceType() != I_SLICE &&
965        ((pcSlice->getColFromL0Flag()==1 && pcSlice->getNumRefIdx(REF_PIC_LIST_0)>1)||
966        (pcSlice->getColFromL0Flag()==0  && pcSlice->getNumRefIdx(REF_PIC_LIST_1)>1)))
967      {
968        WRITE_UVLC( pcSlice->getColRefIdx(), "collocated_ref_idx" );
969      }
970    }
971    if ( (pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType()==P_SLICE) || (pcSlice->getPPS()->getWPBiPred() && pcSlice->getSliceType()==B_SLICE) )
972    {
973      xCodePredWeightTable( pcSlice );
974    }
975    assert(pcSlice->getMaxNumMergeCand()<=MRG_MAX_NUM_CANDS);
976    if (!pcSlice->isIntra())
977    {
978      WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "five_minus_max_num_merge_cand");
979    }
980    Int iCode = pcSlice->getSliceQp() - ( pcSlice->getPPS()->getPicInitQPMinus26() + 26 );
981    WRITE_SVLC( iCode, "slice_qp_delta" ); 
982    if (pcSlice->getPPS()->getSliceChromaQpFlag())
983    {
984      iCode = pcSlice->getSliceQpDeltaCb();
985      WRITE_SVLC( iCode, "slice_qp_delta_cb" );
986      iCode = pcSlice->getSliceQpDeltaCr();
987      WRITE_SVLC( iCode, "slice_qp_delta_cr" );
988    }
989    if (pcSlice->getPPS()->getDeblockingFilterControlPresentFlag())
990    {
991      if (pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() )
992      {
993        WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "deblocking_filter_override_flag");
994      }
995      if (pcSlice->getDeblockingFilterOverrideFlag())
996      {
997        WRITE_FLAG(pcSlice->getDeblockingFilterDisable(), "slice_disable_deblocking_filter_flag");
998        if(!pcSlice->getDeblockingFilterDisable())
999        {
1000          WRITE_SVLC (pcSlice->getDeblockingFilterBetaOffsetDiv2(), "slice_beta_offset_div2");
1001          WRITE_SVLC (pcSlice->getDeblockingFilterTcOffsetDiv2(),   "slice_tc_offset_div2");
1002        }
1003      }
1004    }
1005
1006    Bool isSAOEnabled = (!pcSlice->getSPS()->getUseSAO())?(false):(pcSlice->getSaoEnabledFlag()||pcSlice->getSaoEnabledFlagChroma());
1007    Bool isDBFEnabled = (!pcSlice->getDeblockingFilterDisable());
1008
1009    if(pcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled ))
1010    {
1011      WRITE_FLAG(pcSlice->getLFCrossSliceBoundaryFlag()?1:0, "slice_loop_filter_across_slices_enabled_flag");
1012    }
1013  }
1014  if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag())
1015  {
1016    WRITE_UVLC(0,"slice_header_extension_length");
1017  }
1018}
1019
1020Void TEncCavlc::codePTL( TComPTL* pcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1)
1021{
1022  if(profilePresentFlag)
1023  {
1024    codeProfileTier(pcPTL->getGeneralPTL());    // general_...
1025  }
1026  WRITE_CODE( pcPTL->getGeneralPTL()->getLevelIdc(), 8, "general_level_idc" );
1027
1028#if L0363_BYTE_ALIGN
1029  for (Int i = 0; i < maxNumSubLayersMinus1; i++)
1030  {
1031    if(profilePresentFlag)
1032    {
1033      WRITE_FLAG( pcPTL->getSubLayerProfilePresentFlag(i), "sub_layer_profile_present_flag[i]" );
1034    }
1035   
1036    WRITE_FLAG( pcPTL->getSubLayerLevelPresentFlag(i),   "sub_layer_level_present_flag[i]" );
1037  }
1038 
1039  if (maxNumSubLayersMinus1 > 0)
1040  {
1041    for (Int i = maxNumSubLayersMinus1; i < 8; i++)
1042    {
1043      WRITE_CODE(0, 2, "reserved_zero_2bits");
1044    }
1045  }
1046#endif
1047 
1048  for(Int i = 0; i < maxNumSubLayersMinus1; i++)
1049  {
1050#if !L0363_BYTE_ALIGN
1051    if(profilePresentFlag)
1052    {
1053      WRITE_FLAG( pcPTL->getSubLayerProfilePresentFlag(i), "sub_layer_profile_present_flag[i]" );
1054    }
1055
1056    WRITE_FLAG( pcPTL->getSubLayerLevelPresentFlag(i),   "sub_layer_level_present_flag[i]" );
1057#endif
1058    if( profilePresentFlag && pcPTL->getSubLayerProfilePresentFlag(i) )
1059    {
1060      codeProfileTier(pcPTL->getSubLayerPTL(i));  // sub_layer_...
1061    }
1062    if( pcPTL->getSubLayerLevelPresentFlag(i) )
1063    {
1064      WRITE_CODE( pcPTL->getSubLayerPTL(i)->getLevelIdc(), 8, "sub_layer_level_idc[i]" );
1065    }
1066  }
1067}
1068Void TEncCavlc::codeProfileTier( ProfileTierLevel* ptl )
1069{
1070  WRITE_CODE( ptl->getProfileSpace(), 2 ,     "XXX_profile_space[]");
1071  WRITE_FLAG( ptl->getTierFlag    (),         "XXX_tier_flag[]"    );
1072  WRITE_CODE( ptl->getProfileIdc  (), 5 ,     "XXX_profile_idc[]"  );   
1073  for(Int j = 0; j < 32; j++)
1074  {
1075    WRITE_FLAG( ptl->getProfileCompatibilityFlag(j), "XXX_profile_compatibility_flag[][j]");   
1076  }
1077
1078#if L0046_CONSTRAINT_FLAGS
1079  WRITE_FLAG(ptl->getProgressiveSourceFlag(),   "general_progressive_source_flag");
1080  WRITE_FLAG(ptl->getInterlacedSourceFlag(),    "general_interlaced_source_flag");
1081  WRITE_FLAG(ptl->getNonPackedConstraintFlag(), "general_non_packed_constraint_flag");
1082  WRITE_FLAG(ptl->getFrameOnlyConstraintFlag(), "general_frame_only_constraint_flag");
1083 
1084  WRITE_CODE(0 , 16, "XXX_reserved_zero_44bits[0..15]");
1085  WRITE_CODE(0 , 16, "XXX_reserved_zero_44bits[16..31]");
1086  WRITE_CODE(0 , 12, "XXX_reserved_zero_44bits[32..43]");
1087#elif L0363_MORE_BITS
1088  WRITE_CODE(0 , 16, "XXX_reserved_zero_48bits[0..15]");
1089  WRITE_CODE(0 , 16, "XXX_reserved_zero_48bits[16..31]");
1090  WRITE_CODE(0 , 16, "XXX_reserved_zero_48bits[32..47]");
1091#else
1092  WRITE_CODE(0 , 16, "XXX_reserved_zero_16bits[]");
1093#endif
1094}
1095#if SIGNAL_BITRATE_PICRATE_IN_VPS
1096Void TEncCavlc::codeBitratePicRateInfo(TComBitRatePicRateInfo *info, Int tempLevelLow, Int tempLevelHigh)
1097{
1098  for(Int i = tempLevelLow; i <= tempLevelHigh; i++)
1099  {
1100    WRITE_FLAG( info->getBitRateInfoPresentFlag(i),  "bit_rate_info_present_flag[i]" );
1101    WRITE_FLAG( info->getPicRateInfoPresentFlag(i),  "pic_rate_info_present_flag[i]" );
1102    if(info->getBitRateInfoPresentFlag(i))
1103    {
1104      WRITE_CODE( info->getAvgBitRate(i), 16, "avg_bit_rate[i]" );
1105      WRITE_CODE( info->getMaxBitRate(i), 16, "max_bit_rate[i]" );
1106    }
1107    if(info->getPicRateInfoPresentFlag(i))
1108    {
1109      WRITE_CODE( info->getConstantPicRateIdc(i),  2, "constant_pic_rate_idc[i]" );
1110      WRITE_CODE( info->getAvgPicRate(i),         16, "avg_pic_rate[i]"          );
1111    }
1112  }
1113}
1114#endif 
1115/**
1116 - write wavefront substreams sizes for the slice header.
1117 .
1118 \param pcSlice Where we find the substream size information.
1119 */
1120Void  TEncCavlc::codeTilesWPPEntryPoint( TComSlice* pSlice )
1121{
1122  if (!pSlice->getPPS()->getTilesEnabledFlag() && !pSlice->getPPS()->getEntropyCodingSyncEnabledFlag())
1123  {
1124    return;
1125  }
1126  UInt numEntryPointOffsets = 0, offsetLenMinus1 = 0, maxOffset = 0;
1127  Int  numZeroSubstreamsAtStartOfSlice  = 0;
1128  UInt *entryPointOffset = NULL;
1129  if ( pSlice->getPPS()->getTilesEnabledFlag() )
1130  {
1131    numEntryPointOffsets = pSlice->getTileLocationCount();
1132    entryPointOffset     = new UInt[numEntryPointOffsets];
1133    for (Int idx=0; idx<pSlice->getTileLocationCount(); idx++)
1134    {
1135      if ( idx == 0 )
1136      {
1137        entryPointOffset [ idx ] = pSlice->getTileLocation( 0 );
1138      }
1139      else
1140      {
1141        entryPointOffset [ idx ] = pSlice->getTileLocation( idx ) - pSlice->getTileLocation( idx-1 );
1142      }
1143
1144      if ( entryPointOffset[ idx ] > maxOffset )
1145      {
1146        maxOffset = entryPointOffset[ idx ];
1147      }
1148    }
1149  }
1150  else if ( pSlice->getPPS()->getEntropyCodingSyncEnabledFlag() )
1151  {
1152    UInt* pSubstreamSizes               = pSlice->getSubstreamSizes();
1153    Int maxNumParts                       = pSlice->getPic()->getNumPartInCU();
1154    numZeroSubstreamsAtStartOfSlice       = pSlice->getSliceSegmentCurStartCUAddr()/maxNumParts/pSlice->getPic()->getFrameWidthInCU();
1155    Int  numZeroSubstreamsAtEndOfSlice    = pSlice->getPic()->getFrameHeightInCU()-1 - ((pSlice->getSliceSegmentCurEndCUAddr()-1)/maxNumParts/pSlice->getPic()->getFrameWidthInCU());
1156    numEntryPointOffsets                  = pSlice->getPPS()->getNumSubstreams() - numZeroSubstreamsAtStartOfSlice - numZeroSubstreamsAtEndOfSlice - 1;
1157    pSlice->setNumEntryPointOffsets(numEntryPointOffsets);
1158    entryPointOffset           = new UInt[numEntryPointOffsets];
1159    for (Int idx=0; idx<numEntryPointOffsets; idx++)
1160    {
1161      entryPointOffset[ idx ] = ( pSubstreamSizes[ idx+numZeroSubstreamsAtStartOfSlice ] >> 3 ) ;
1162      if ( entryPointOffset[ idx ] > maxOffset )
1163      {
1164        maxOffset = entryPointOffset[ idx ];
1165      }
1166    }
1167  }
1168  // Determine number of bits "offsetLenMinus1+1" required for entry point information
1169  offsetLenMinus1 = 0;
1170  while (maxOffset >= (1u << (offsetLenMinus1 + 1)))
1171  {
1172    offsetLenMinus1++;
1173    assert(offsetLenMinus1 + 1 < 32);   
1174  }
1175
1176  WRITE_UVLC(numEntryPointOffsets, "num_entry_point_offsets");
1177  if (numEntryPointOffsets>0)
1178  {
1179    WRITE_UVLC(offsetLenMinus1, "offset_len_minus1");
1180  }
1181
1182  for (UInt idx=0; idx<numEntryPointOffsets; idx++)
1183  {
1184#if L0116_ENTRY_POINT
1185    WRITE_CODE(entryPointOffset[ idx ]-1, offsetLenMinus1+1, "entry_point_offset_minus1");
1186#else
1187    WRITE_CODE(entryPointOffset[ idx ], offsetLenMinus1+1, "entry_point_offset");
1188#endif
1189  }
1190
1191  delete [] entryPointOffset;
1192}
1193
1194Void TEncCavlc::codeTerminatingBit      ( UInt uilsLast )
1195{
1196}
1197
1198Void TEncCavlc::codeSliceFinish ()
1199{
1200}
1201
1202Void TEncCavlc::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1203{
1204  assert(0);
1205}
1206
1207Void TEncCavlc::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1208{
1209  assert(0);
1210}
1211
1212Void TEncCavlc::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
1213{
1214  assert(0);
1215}
1216
1217Void TEncCavlc::codeMergeFlag    ( TComDataCU* pcCU, UInt uiAbsPartIdx )
1218{
1219  assert(0);
1220}
1221
1222Void TEncCavlc::codeMergeIndex    ( TComDataCU* pcCU, UInt uiAbsPartIdx )
1223{
1224  assert(0);
1225}
1226
1227Void TEncCavlc::codeInterModeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiEncMode )
1228{
1229  assert(0);
1230}
1231
1232Void TEncCavlc::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1233{
1234  assert(0);
1235}
1236
1237Void TEncCavlc::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1238{
1239  assert(0);
1240}
1241
1242Void TEncCavlc::codeSplitFlag   ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1243{
1244  assert(0);
1245}
1246
1247Void TEncCavlc::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1248{
1249  assert(0);
1250}
1251
1252Void TEncCavlc::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth )
1253{
1254  assert(0);
1255}
1256
1257Void TEncCavlc::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1258{
1259  assert(0);
1260}
1261
1262Void TEncCavlc::codeQtCbfZero( TComDataCU* pcCU, TextType eType, UInt uiTrDepth )
1263{
1264  assert(0);
1265}
1266Void TEncCavlc::codeQtRootCbfZero( TComDataCU* pcCU )
1267{
1268  assert(0);
1269}
1270
1271Void TEncCavlc::codeTransformSkipFlags (TComDataCU* pcCU, UInt uiAbsPartIdx, UInt width, UInt height, TextType eTType )
1272{
1273  assert(0);
1274}
1275
1276/** Code I_PCM information.
1277 * \param pcCU pointer to CU
1278 * \param uiAbsPartIdx CU index
1279 * \returns Void
1280 */
1281Void TEncCavlc::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1282{
1283  assert(0);
1284}
1285
1286Void TEncCavlc::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiple)
1287{
1288  assert(0);
1289}
1290
1291Void TEncCavlc::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1292{
1293  assert(0);
1294}
1295
1296Void TEncCavlc::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1297{
1298  assert(0);
1299}
1300
1301Void TEncCavlc::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1302{
1303  assert(0);
1304}
1305
1306Void TEncCavlc::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1307{
1308  assert(0);
1309}
1310
1311Void TEncCavlc::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1312{
1313  Int iDQp  = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1314
1315  Int qpBdOffsetY =  pcCU->getSlice()->getSPS()->getQpBDOffsetY();
1316  iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1317
1318  xWriteSvlc( iDQp );
1319 
1320  return;
1321}
1322
1323Void TEncCavlc::codeCoeffNxN    ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType )
1324{
1325  assert(0);
1326}
1327
1328Void TEncCavlc::estBit( estBitsSbacStruct* pcEstBitsCabac, Int width, Int height, TextType eTType )
1329{
1330  // printf("error : no VLC mode support in this version\n");
1331  return;
1332}
1333
1334// ====================================================================================================================
1335// Protected member functions
1336// ====================================================================================================================
1337
1338
1339/** Write PCM alignment bits.
1340 * \returns Void
1341 */
1342Void  TEncCavlc::xWritePCMAlignZero    ()
1343{
1344  m_pcBitIf->writeAlignZero();
1345}
1346
1347Void TEncCavlc::xWriteUnaryMaxSymbol( UInt uiSymbol, UInt uiMaxSymbol )
1348{
1349  if (uiMaxSymbol == 0)
1350  {
1351    return;
1352  }
1353  xWriteFlag( uiSymbol ? 1 : 0 );
1354  if ( uiSymbol == 0 )
1355  {
1356    return;
1357  }
1358 
1359  Bool bCodeLast = ( uiMaxSymbol > uiSymbol );
1360 
1361  while( --uiSymbol )
1362  {
1363    xWriteFlag( 1 );
1364  }
1365  if( bCodeLast )
1366  {
1367    xWriteFlag( 0 );
1368  }
1369  return;
1370}
1371
1372Void TEncCavlc::xWriteExGolombLevel( UInt uiSymbol )
1373{
1374  if( uiSymbol )
1375  {
1376    xWriteFlag( 1 );
1377    UInt uiCount = 0;
1378    Bool bNoExGo = (uiSymbol < 13);
1379   
1380    while( --uiSymbol && ++uiCount < 13 )
1381    {
1382      xWriteFlag( 1 );
1383    }
1384    if( bNoExGo )
1385    {
1386      xWriteFlag( 0 );
1387    }
1388    else
1389    {
1390      xWriteEpExGolomb( uiSymbol, 0 );
1391    }
1392  }
1393  else
1394  {
1395    xWriteFlag( 0 );
1396  }
1397  return;
1398}
1399
1400Void TEncCavlc::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount )
1401{
1402  while( uiSymbol >= (UInt)(1<<uiCount) )
1403  {
1404    xWriteFlag( 1 );
1405    uiSymbol -= 1<<uiCount;
1406    uiCount  ++;
1407  }
1408  xWriteFlag( 0 );
1409  while( uiCount-- )
1410  {
1411    xWriteFlag( (uiSymbol>>uiCount) & 1 );
1412  }
1413  return;
1414}
1415
1416/** code explicit wp tables
1417 * \param TComSlice* pcSlice
1418 * \returns Void
1419 */
1420Void TEncCavlc::xCodePredWeightTable( TComSlice* pcSlice )
1421{
1422  wpScalingParam  *wp;
1423  Bool            bChroma     = true; // color always present in HEVC ?
1424  Int             iNbRef       = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1);
1425  Bool            bDenomCoded  = false;
1426  UInt            uiMode = 0;
1427  UInt            uiTotalSignalledWeightFlags = 0;
1428  if ( (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()) )
1429  {
1430    uiMode = 1; // explicit
1431  }
1432  if(uiMode == 1)
1433  {
1434
1435    for ( Int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ ) 
1436    {
1437      RefPicList  eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 );
1438
1439      for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) 
1440      {
1441        pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
1442        if ( !bDenomCoded ) 
1443        {
1444          Int iDeltaDenom;
1445          WRITE_UVLC( wp[0].uiLog2WeightDenom, "luma_log2_weight_denom" );     // ue(v): luma_log2_weight_denom
1446
1447          if( bChroma )
1448          {
1449            iDeltaDenom = (wp[1].uiLog2WeightDenom - wp[0].uiLog2WeightDenom);
1450            WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" );       // se(v): delta_chroma_log2_weight_denom
1451          }
1452          bDenomCoded = true;
1453        }
1454        WRITE_FLAG( wp[0].bPresentFlag, "luma_weight_lX_flag" );               // u(1): luma_weight_lX_flag
1455        uiTotalSignalledWeightFlags += wp[0].bPresentFlag;
1456      }
1457      if (bChroma) 
1458      {
1459        for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) 
1460        {
1461          pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
1462          WRITE_FLAG( wp[1].bPresentFlag, "chroma_weight_lX_flag" );           // u(1): chroma_weight_lX_flag
1463          uiTotalSignalledWeightFlags += 2*wp[1].bPresentFlag;
1464        }
1465      }
1466
1467      for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) 
1468      {
1469        pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
1470        if ( wp[0].bPresentFlag ) 
1471        {
1472          Int iDeltaWeight = (wp[0].iWeight - (1<<wp[0].uiLog2WeightDenom));
1473          WRITE_SVLC( iDeltaWeight, "delta_luma_weight_lX" );                  // se(v): delta_luma_weight_lX
1474          WRITE_SVLC( wp[0].iOffset, "luma_offset_lX" );                       // se(v): luma_offset_lX
1475        }
1476
1477        if ( bChroma ) 
1478        {
1479          if ( wp[1].bPresentFlag )
1480          {
1481            for ( Int j=1 ; j<3 ; j++ ) 
1482            {
1483              Int iDeltaWeight = (wp[j].iWeight - (1<<wp[1].uiLog2WeightDenom));
1484              WRITE_SVLC( iDeltaWeight, "delta_chroma_weight_lX" );            // se(v): delta_chroma_weight_lX
1485
1486              Int pred = ( 128 - ( ( 128*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) );
1487              Int iDeltaChroma = (wp[j].iOffset - pred);
1488              WRITE_SVLC( iDeltaChroma, "delta_chroma_offset_lX" );            // se(v): delta_chroma_offset_lX
1489            }
1490          }
1491        }
1492      }
1493    }
1494    assert(uiTotalSignalledWeightFlags<=24);
1495  }
1496}
1497
1498/** code quantization matrix
1499 *  \param scalingList quantization matrix information
1500 */
1501Void TEncCavlc::codeScalingList( TComScalingList* scalingList )
1502{
1503  UInt listId,sizeId;
1504  Bool scalingListPredModeFlag;
1505
1506#if SCALING_LIST_OUTPUT_RESULT
1507  Int startBit;
1508  Int startTotalBit;
1509  startBit = m_pcBitIf->getNumberOfWrittenBits();
1510  startTotalBit = m_pcBitIf->getNumberOfWrittenBits();
1511#endif
1512
1513    //for each size
1514    for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++)
1515    {
1516      for(listId = 0; listId < g_scalingListNum[sizeId]; listId++)
1517      {
1518#if SCALING_LIST_OUTPUT_RESULT
1519        startBit = m_pcBitIf->getNumberOfWrittenBits();
1520#endif
1521        scalingListPredModeFlag = scalingList->checkPredMode( sizeId, listId );
1522        WRITE_FLAG( scalingListPredModeFlag, "scaling_list_pred_mode_flag" );
1523        if(!scalingListPredModeFlag)// Copy Mode
1524        {
1525          WRITE_UVLC( (Int)listId - (Int)scalingList->getRefMatrixId (sizeId,listId), "scaling_list_pred_matrix_id_delta");
1526        }
1527        else// DPCM Mode
1528        {
1529          xCodeScalingList(scalingList, sizeId, listId);
1530        }
1531#if SCALING_LIST_OUTPUT_RESULT
1532        printf("Matrix [%d][%d] Bit %d\n",sizeId,listId,m_pcBitIf->getNumberOfWrittenBits() - startBit);
1533#endif
1534      }
1535    }
1536#if SCALING_LIST_OUTPUT_RESULT
1537  printf("Total Bit %d\n",m_pcBitIf->getNumberOfWrittenBits()-startTotalBit);
1538#endif
1539  return;
1540}
1541/** code DPCM
1542 * \param scalingList quantization matrix information
1543 * \param sizeIdc size index
1544 * \param listIdc list index
1545 */
1546Void TEncCavlc::xCodeScalingList(TComScalingList* scalingList, UInt sizeId, UInt listId)
1547{
1548  Int coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]);
1549  UInt* scan  = (sizeId == 0) ? g_auiSigLastScan [ SCAN_DIAG ] [ 1 ] :  g_sigLastScanCG32x32;
1550  Int nextCoef = SCALING_LIST_START_VALUE;
1551  Int data;
1552  Int *src = scalingList->getScalingListAddress(sizeId, listId);
1553    if( sizeId > SCALING_LIST_8x8 )
1554    {
1555      WRITE_SVLC( scalingList->getScalingListDC(sizeId,listId) - 8, "scaling_list_dc_coef_minus8");
1556      nextCoef = scalingList->getScalingListDC(sizeId,listId);
1557    }
1558    for(Int i=0;i<coefNum;i++)
1559    {
1560      data = src[scan[i]] - nextCoef;
1561      nextCoef = src[scan[i]];
1562      if(data > 127)
1563      {
1564        data = data - 256;
1565      }
1566      if(data < -128)
1567      {
1568        data = data + 256;
1569      }
1570
1571      WRITE_SVLC( data,  "scaling_list_delta_coef");
1572    }
1573}
1574Bool TEncCavlc::findMatchingLTRP ( TComSlice* pcSlice, UInt *ltrpsIndex, Int ltrpPOC, Bool usedFlag )
1575{
1576  // Bool state = true, state2 = false;
1577  Int lsb = ltrpPOC % (1<<pcSlice->getSPS()->getBitsForPOC());
1578  for (Int k = 0; k < pcSlice->getSPS()->getNumLongTermRefPicSPS(); k++)
1579  {
1580    if ( (lsb == pcSlice->getSPS()->getLtRefPicPocLsbSps(k)) && (usedFlag == pcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(k)) )
1581    {
1582      *ltrpsIndex = k;
1583      return true;
1584    }
1585  }
1586  return false;
1587}
1588Bool TComScalingList::checkPredMode(UInt sizeId, UInt listId)
1589{
1590  for(Int predListIdx = (Int)listId ; predListIdx >= 0; predListIdx--)
1591  {
1592    if( !memcmp(getScalingListAddress(sizeId,listId),((listId == predListIdx) ?
1593      getScalingListDefaultAddress(sizeId, predListIdx): getScalingListAddress(sizeId, predListIdx)),sizeof(Int)*min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId])) // check value of matrix
1594     && ((sizeId < SCALING_LIST_16x16) || (getScalingListDC(sizeId,listId) == getScalingListDC(sizeId,predListIdx)))) // check DC value
1595    {
1596      setRefMatrixId(sizeId, listId, predListIdx);
1597      return false;
1598    }
1599  }
1600  return true;
1601}
1602
1603#if INTRA_BL
1604Void TEncCavlc::codeIntraBLFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1605{
1606  assert(0);
1607}
1608
1609#endif
1610//! \}
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