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comparison jctvc/TLibEncoder/TEncCavlc.cpp @ 0:772086c29cc7

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Initial import.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 16 Nov 2016 11:16:33 +0200
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-1:000000000000 0:772086c29cc7
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) 2010-2014, 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 #define SRPS_IN_SLICE 1
46
47 #if ENC_DEC_TRACE
48
49 Void xTraceSPSHeader (TComSPS *pSPS)
50 {
51 fprintf( g_hTrace, "=========== Sequence Parameter Set ID: %d ===========\n", pSPS->getSPSId() );
52 }
53
54 Void xTracePPSHeader (TComPPS *pPPS)
55 {
56 fprintf( g_hTrace, "=========== Picture Parameter Set ID: %d ===========\n", pPPS->getPPSId() );
57 }
58
59 Void xTraceSliceHeader (TComSlice *pSlice)
60 {
61 fprintf( g_hTrace, "=========== Slice ===========\n");
62 }
63
64 #endif
65
66
67
68 // ====================================================================================================================
69 // Constructor / destructor / create / destroy
70 // ====================================================================================================================
71
72 TEncCavlc::TEncCavlc()
73 {
74 m_pcBitIf = NULL;
75 }
76
77 TEncCavlc::~TEncCavlc()
78 {
79 }
80
81
82 // ====================================================================================================================
83 // Public member functions
84 // ====================================================================================================================
85
86 Void TEncCavlc::resetEntropy()
87 {
88 }
89
90
91 Void TEncCavlc::codeDFFlag(UInt uiCode, const Char *pSymbolName)
92 {
93 WRITE_FLAG(uiCode, pSymbolName);
94 }
95 Void TEncCavlc::codeDFSvlc(Int iCode, const Char *pSymbolName)
96 {
97 WRITE_SVLC(iCode, pSymbolName);
98 }
99
100 Void TEncCavlc::codeShortTermRefPicSet( TComSPS* pcSPS, TComReferencePictureSet* rps, Bool calledFromSliceHeader, Int idx)
101 {
102 #if PRINT_RPS_INFO
103 Int lastBits = getNumberOfWrittenBits();
104 #endif
105 if (idx > 0)
106 {
107 WRITE_FLAG( rps->getInterRPSPrediction(), "inter_ref_pic_set_prediction_flag" ); // inter_RPS_prediction_flag
108 }
109 if (rps->getInterRPSPrediction())
110 {
111 Int deltaRPS = rps->getDeltaRPS();
112 if(calledFromSliceHeader)
113 {
114 WRITE_UVLC( rps->getDeltaRIdxMinus1(), "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1
115 }
116
117 WRITE_CODE( (deltaRPS >=0 ? 0: 1), 1, "delta_rps_sign" ); //delta_rps_sign
118 WRITE_UVLC( abs(deltaRPS) - 1, "abs_delta_rps_minus1"); // absolute delta RPS minus 1
119
120 for(Int j=0; j < rps->getNumRefIdc(); j++)
121 {
122 Int refIdc = rps->getRefIdc(j);
123 WRITE_CODE( (refIdc==1? 1: 0), 1, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1
124 if (refIdc != 1)
125 {
126 WRITE_CODE( refIdc>>1, 1, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise.
127 }
128 }
129 }
130 else
131 {
132 WRITE_UVLC( rps->getNumberOfNegativePictures(), "num_negative_pics" );
133 WRITE_UVLC( rps->getNumberOfPositivePictures(), "num_positive_pics" );
134 Int prev = 0;
135 for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++)
136 {
137 WRITE_UVLC( prev-rps->getDeltaPOC(j)-1, "delta_poc_s0_minus1" );
138 prev = rps->getDeltaPOC(j);
139 WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s0_flag");
140 }
141 prev = 0;
142 for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++)
143 {
144 WRITE_UVLC( rps->getDeltaPOC(j)-prev-1, "delta_poc_s1_minus1" );
145 prev = rps->getDeltaPOC(j);
146 WRITE_FLAG( rps->getUsed(j), "used_by_curr_pic_s1_flag" );
147 }
148 }
149
150 #if PRINT_RPS_INFO
151 printf("irps=%d (%2d bits) ", rps->getInterRPSPrediction(), getNumberOfWrittenBits() - lastBits);
152 rps->printDeltaPOC();
153 #endif
154 }
155
156
157 Void TEncCavlc::codePPS( TComPPS* pcPPS )
158 {
159 #if ENC_DEC_TRACE
160 xTracePPSHeader (pcPPS);
161 #endif
162
163 const UInt numberValidComponents = getNumberValidComponents(pcPPS->getSPS()->getChromaFormatIdc());
164
165 WRITE_UVLC( pcPPS->getPPSId(), "pps_pic_parameter_set_id" );
166 WRITE_UVLC( pcPPS->getSPSId(), "pps_seq_parameter_set_id" );
167 WRITE_FLAG( pcPPS->getDependentSliceSegmentsEnabledFlag() ? 1 : 0, "dependent_slice_segments_enabled_flag" );
168 WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" );
169 WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits");
170 WRITE_FLAG( pcPPS->getSignHideFlag(), "sign_data_hiding_flag" );
171 WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "cabac_init_present_flag" );
172 WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1, "num_ref_idx_l0_default_active_minus1");
173 WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1, "num_ref_idx_l1_default_active_minus1");
174
175 WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "init_qp_minus26");
176 WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0, "constrained_intra_pred_flag" );
177 WRITE_FLAG( pcPPS->getUseTransformSkip() ? 1 : 0, "transform_skip_enabled_flag" );
178 WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" );
179 if ( pcPPS->getUseDQP() )
180 {
181 WRITE_UVLC( pcPPS->getMaxCuDQPDepth(), "diff_cu_qp_delta_depth" );
182 }
183
184 WRITE_SVLC( COMPONENT_Cb<numberValidComponents ? (pcPPS->getQpOffset(COMPONENT_Cb)) : 0, "pps_cb_qp_offset" );
185 WRITE_SVLC( COMPONENT_Cr<numberValidComponents ? (pcPPS->getQpOffset(COMPONENT_Cr)) : 0, "pps_cr_qp_offset" );
186
187 assert(numberValidComponents <= 3); // if more than 3 components (eg 4:4:4:4), then additional offsets will have to go in extension area...
188
189 WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "pps_slice_chroma_qp_offsets_present_flag" );
190
191 WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE)
192 WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE)
193 WRITE_FLAG( pcPPS->getTransquantBypassEnableFlag() ? 1 : 0, "transquant_bypass_enable_flag" );
194 WRITE_FLAG( pcPPS->getTilesEnabledFlag() ? 1 : 0, "tiles_enabled_flag" );
195 WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" );
196 if( pcPPS->getTilesEnabledFlag() )
197 {
198 WRITE_UVLC( pcPPS->getNumTileColumnsMinus1(), "num_tile_columns_minus1" );
199 WRITE_UVLC( pcPPS->getNumTileRowsMinus1(), "num_tile_rows_minus1" );
200 WRITE_FLAG( pcPPS->getTileUniformSpacingFlag(), "uniform_spacing_flag" );
201 if( !pcPPS->getTileUniformSpacingFlag() )
202 {
203 for(UInt i=0; i<pcPPS->getNumTileColumnsMinus1(); i++)
204 {
205 WRITE_UVLC( pcPPS->getTileColumnWidth(i)-1, "column_width_minus1" );
206 }
207 for(UInt i=0; i<pcPPS->getNumTileRowsMinus1(); i++)
208 {
209 WRITE_UVLC( pcPPS->getTileRowHeight(i)-1, "row_height_minus1" );
210 }
211 }
212 if(pcPPS->getNumTileColumnsMinus1() !=0 || pcPPS->getNumTileRowsMinus1() !=0)
213 {
214 WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag()?1 : 0, "loop_filter_across_tiles_enabled_flag");
215 }
216 }
217 WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag()?1 : 0, "loop_filter_across_slices_enabled_flag");
218 WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0, "deblocking_filter_control_present_flag");
219 if(pcPPS->getDeblockingFilterControlPresentFlag())
220 {
221 WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0, "deblocking_filter_override_enabled_flag" );
222 WRITE_FLAG( pcPPS->getPicDisableDeblockingFilterFlag() ? 1 : 0, "pps_disable_deblocking_filter_flag" );
223 if(!pcPPS->getPicDisableDeblockingFilterFlag())
224 {
225 WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(), "pps_beta_offset_div2" );
226 WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(), "pps_tc_offset_div2" );
227 }
228 }
229 WRITE_FLAG( pcPPS->getScalingListPresentFlag() ? 1 : 0, "pps_scaling_list_data_present_flag" );
230 if( pcPPS->getScalingListPresentFlag() )
231 {
232 codeScalingList( m_pcSlice->getScalingList() );
233 }
234 WRITE_FLAG( pcPPS->getListsModificationPresentFlag(), "lists_modification_present_flag");
235 WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2");
236 WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_segment_header_extension_present_flag");
237
238 Bool pps_extension_present_flag=false;
239 Bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]={false};
240
241 pps_extension_flags[PPS_EXT__REXT] = (
242 ( pcPPS->getUseTransformSkip() && (pcPPS->getTransformSkipLog2MaxSize() != 2))
243 || pcPPS->getUseCrossComponentPrediction()
244 || ( pcPPS->getChromaQpAdjTableSize() > 0 )
245 || ( pcPPS->getSaoOffsetBitShift(CHANNEL_TYPE_LUMA) !=0 ) || ( pcPPS->getSaoOffsetBitShift(CHANNEL_TYPE_CHROMA) !=0 )
246 )
247 ;
248
249 // Other PPS extension flags checked here.
250
251 for(Int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++)
252 {
253 pps_extension_present_flag|=pps_extension_flags[i];
254 }
255
256 WRITE_FLAG( (pps_extension_present_flag?1:0), "pps_extension_present_flag" );
257
258 if (pps_extension_present_flag)
259 {
260 for(Int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++)
261 {
262 WRITE_FLAG( pps_extension_flags[i]?1:0, "pps_extension_flag[]" );
263 }
264
265 for(Int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum.
266 {
267 if (pps_extension_flags[i])
268 {
269 switch (PPSExtensionFlagIndex(i))
270 {
271 case PPS_EXT__REXT:
272
273 if (pcPPS->getUseTransformSkip())
274 {
275 WRITE_UVLC( pcPPS->getTransformSkipLog2MaxSize()-2, "log2_transform_skip_max_size_minus2");
276 }
277
278 WRITE_FLAG((pcPPS->getUseCrossComponentPrediction() ? 1 : 0), "cross_component_prediction_flag" );
279
280 WRITE_FLAG(UInt(pcPPS->getChromaQpAdjTableSize() > 0), "chroma_qp_adjustment_enabled_flag" );
281 if (pcPPS->getChromaQpAdjTableSize() > 0)
282 {
283 WRITE_UVLC(pcPPS->getMaxCuChromaQpAdjDepth(), "diff_cu_chroma_qp_adjustment_depth");
284 WRITE_UVLC(pcPPS->getChromaQpAdjTableSize() - 1, "chroma_qp_adjustment_table_size_minus1");
285 /* skip zero index */
286 for (Int chromaQpAdjustmentIndex = 1; chromaQpAdjustmentIndex <= pcPPS->getChromaQpAdjTableSize(); chromaQpAdjustmentIndex++)
287 {
288 WRITE_SVLC(pcPPS->getChromaQpAdjTableAt(chromaQpAdjustmentIndex).u.comp.CbOffset, "cb_qp_adjustnemt[i]");
289 WRITE_SVLC(pcPPS->getChromaQpAdjTableAt(chromaQpAdjustmentIndex).u.comp.CrOffset, "cr_qp_adjustnemt[i]");
290 }
291 }
292
293 WRITE_UVLC( pcPPS->getSaoOffsetBitShift(CHANNEL_TYPE_LUMA), "sao_luma_bit_shift" );
294 WRITE_UVLC( pcPPS->getSaoOffsetBitShift(CHANNEL_TYPE_CHROMA), "sao_chroma_bit_shift" );
295 break;
296 default:
297 assert(pps_extension_flags[i]==false); // Should never get here with an active PPS extension flag.
298 break;
299 } // switch
300 } // if flag present
301 } // loop over PPS flags
302 } // pps_extension_present_flag is non-zero
303 }
304
305 Void TEncCavlc::codeVUI( TComVUI *pcVUI, TComSPS* pcSPS )
306 {
307 #if ENC_DEC_TRACE
308 fprintf( g_hTrace, "----------- vui_parameters -----------\n");
309 #endif
310 WRITE_FLAG(pcVUI->getAspectRatioInfoPresentFlag(), "aspect_ratio_info_present_flag");
311 if (pcVUI->getAspectRatioInfoPresentFlag())
312 {
313 WRITE_CODE(pcVUI->getAspectRatioIdc(), 8, "aspect_ratio_idc" );
314 if (pcVUI->getAspectRatioIdc() == 255)
315 {
316 WRITE_CODE(pcVUI->getSarWidth(), 16, "sar_width");
317 WRITE_CODE(pcVUI->getSarHeight(), 16, "sar_height");
318 }
319 }
320 WRITE_FLAG(pcVUI->getOverscanInfoPresentFlag(), "overscan_info_present_flag");
321 if (pcVUI->getOverscanInfoPresentFlag())
322 {
323 WRITE_FLAG(pcVUI->getOverscanAppropriateFlag(), "overscan_appropriate_flag");
324 }
325 WRITE_FLAG(pcVUI->getVideoSignalTypePresentFlag(), "video_signal_type_present_flag");
326 if (pcVUI->getVideoSignalTypePresentFlag())
327 {
328 WRITE_CODE(pcVUI->getVideoFormat(), 3, "video_format");
329 WRITE_FLAG(pcVUI->getVideoFullRangeFlag(), "video_full_range_flag");
330 WRITE_FLAG(pcVUI->getColourDescriptionPresentFlag(), "colour_description_present_flag");
331 if (pcVUI->getColourDescriptionPresentFlag())
332 {
333 WRITE_CODE(pcVUI->getColourPrimaries(), 8, "colour_primaries");
334 WRITE_CODE(pcVUI->getTransferCharacteristics(), 8, "transfer_characteristics");
335 WRITE_CODE(pcVUI->getMatrixCoefficients(), 8, "matrix_coefficients");
336 }
337 }
338
339 WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(), "chroma_loc_info_present_flag");
340 if (pcVUI->getChromaLocInfoPresentFlag())
341 {
342 WRITE_UVLC(pcVUI->getChromaSampleLocTypeTopField(), "chroma_sample_loc_type_top_field");
343 WRITE_UVLC(pcVUI->getChromaSampleLocTypeBottomField(), "chroma_sample_loc_type_bottom_field");
344 }
345
346 WRITE_FLAG(pcVUI->getNeutralChromaIndicationFlag(), "neutral_chroma_indication_flag");
347 WRITE_FLAG(pcVUI->getFieldSeqFlag(), "field_seq_flag");
348 WRITE_FLAG(pcVUI->getFrameFieldInfoPresentFlag(), "frame_field_info_present_flag");
349
350 Window defaultDisplayWindow = pcVUI->getDefaultDisplayWindow();
351 WRITE_FLAG(defaultDisplayWindow.getWindowEnabledFlag(), "default_display_window_flag");
352 if( defaultDisplayWindow.getWindowEnabledFlag() )
353 {
354 WRITE_UVLC(defaultDisplayWindow.getWindowLeftOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_left_offset");
355 WRITE_UVLC(defaultDisplayWindow.getWindowRightOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc()), "def_disp_win_right_offset");
356 WRITE_UVLC(defaultDisplayWindow.getWindowTopOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_top_offset");
357 WRITE_UVLC(defaultDisplayWindow.getWindowBottomOffset()/ TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc()), "def_disp_win_bottom_offset");
358 }
359 TimingInfo *timingInfo = pcVUI->getTimingInfo();
360 WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vui_timing_info_present_flag");
361 if(timingInfo->getTimingInfoPresentFlag())
362 {
363 WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vui_num_units_in_tick");
364 WRITE_CODE(timingInfo->getTimeScale(), 32, "vui_time_scale");
365 WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vui_poc_proportional_to_timing_flag");
366 if(timingInfo->getPocProportionalToTimingFlag())
367 {
368 WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vui_num_ticks_poc_diff_one_minus1");
369 }
370 WRITE_FLAG(pcVUI->getHrdParametersPresentFlag(), "hrd_parameters_present_flag");
371 if( pcVUI->getHrdParametersPresentFlag() )
372 {
373 codeHrdParameters(pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 );
374 }
375 }
376
377 WRITE_FLAG(pcVUI->getBitstreamRestrictionFlag(), "bitstream_restriction_flag");
378 if (pcVUI->getBitstreamRestrictionFlag())
379 {
380 WRITE_FLAG(pcVUI->getTilesFixedStructureFlag(), "tiles_fixed_structure_flag");
381 WRITE_FLAG(pcVUI->getMotionVectorsOverPicBoundariesFlag(), "motion_vectors_over_pic_boundaries_flag");
382 WRITE_FLAG(pcVUI->getRestrictedRefPicListsFlag(), "restricted_ref_pic_lists_flag");
383 WRITE_UVLC(pcVUI->getMinSpatialSegmentationIdc(), "min_spatial_segmentation_idc");
384 WRITE_UVLC(pcVUI->getMaxBytesPerPicDenom(), "max_bytes_per_pic_denom");
385 WRITE_UVLC(pcVUI->getMaxBitsPerMinCuDenom(), "max_bits_per_mincu_denom");
386 WRITE_UVLC(pcVUI->getLog2MaxMvLengthHorizontal(), "log2_max_mv_length_horizontal");
387 WRITE_UVLC(pcVUI->getLog2MaxMvLengthVertical(), "log2_max_mv_length_vertical");
388 }
389 }
390
391 Void TEncCavlc::codeHrdParameters( TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1 )
392 {
393 if( commonInfPresentFlag )
394 {
395 WRITE_FLAG( hrd->getNalHrdParametersPresentFlag() ? 1 : 0 , "nal_hrd_parameters_present_flag" );
396 WRITE_FLAG( hrd->getVclHrdParametersPresentFlag() ? 1 : 0 , "vcl_hrd_parameters_present_flag" );
397 if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() )
398 {
399 WRITE_FLAG( hrd->getSubPicCpbParamsPresentFlag() ? 1 : 0, "sub_pic_cpb_params_present_flag" );
400 if( hrd->getSubPicCpbParamsPresentFlag() )
401 {
402 WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" );
403 WRITE_CODE( hrd->getDuCpbRemovalDelayLengthMinus1(), 5, "du_cpb_removal_delay_length_minus1" );
404 WRITE_FLAG( hrd->getSubPicCpbParamsInPicTimingSEIFlag() ? 1 : 0, "sub_pic_cpb_params_in_pic_timing_sei_flag" );
405 WRITE_CODE( hrd->getDpbOutputDelayDuLengthMinus1(), 5, "dpb_output_delay_du_length_minus1" );
406 }
407 WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" );
408 WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" );
409 if( hrd->getSubPicCpbParamsPresentFlag() )
410 {
411 WRITE_CODE( hrd->getDuCpbSizeScale(), 4, "du_cpb_size_scale" );
412 }
413 WRITE_CODE( hrd->getInitialCpbRemovalDelayLengthMinus1(), 5, "initial_cpb_removal_delay_length_minus1" );
414 WRITE_CODE( hrd->getCpbRemovalDelayLengthMinus1(), 5, "au_cpb_removal_delay_length_minus1" );
415 WRITE_CODE( hrd->getDpbOutputDelayLengthMinus1(), 5, "dpb_output_delay_length_minus1" );
416 }
417 }
418 Int i, j, nalOrVcl;
419 for( i = 0; i <= maxNumSubLayersMinus1; i ++ )
420 {
421 WRITE_FLAG( hrd->getFixedPicRateFlag( i ) ? 1 : 0, "fixed_pic_rate_general_flag");
422 if( !hrd->getFixedPicRateFlag( i ) )
423 {
424 WRITE_FLAG( hrd->getFixedPicRateWithinCvsFlag( i ) ? 1 : 0, "fixed_pic_rate_within_cvs_flag");
425 }
426 else
427 {
428 hrd->setFixedPicRateWithinCvsFlag( i, true );
429 }
430 if( hrd->getFixedPicRateWithinCvsFlag( i ) )
431 {
432 WRITE_UVLC( hrd->getPicDurationInTcMinus1( i ), "elemental_duration_in_tc_minus1");
433 }
434 else
435 {
436 WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag");
437 }
438 if (!hrd->getLowDelayHrdFlag( i ))
439 {
440 WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1");
441 }
442
443 for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
444 {
445 if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
446 ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
447 {
448 for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ )
449 {
450 WRITE_UVLC( hrd->getBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_value_minus1");
451 WRITE_UVLC( hrd->getCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_value_minus1");
452 if( hrd->getSubPicCpbParamsPresentFlag() )
453 {
454 WRITE_UVLC( hrd->getDuCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_du_value_minus1");
455 WRITE_UVLC( hrd->getDuBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_du_value_minus1");
456 }
457 WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag");
458 }
459 }
460 }
461 }
462 }
463
464 Void TEncCavlc::codeSPS( TComSPS* pcSPS )
465 {
466
467 const ChromaFormat format = pcSPS->getChromaFormatIdc();
468 const Bool chromaEnabled = isChromaEnabled(format);
469
470 #if ENC_DEC_TRACE
471 xTraceSPSHeader (pcSPS);
472 #endif
473 WRITE_CODE( pcSPS->getVPSId (), 4, "sps_video_parameter_set_id" );
474 WRITE_CODE( pcSPS->getMaxTLayers() - 1, 3, "sps_max_sub_layers_minus1" );
475 WRITE_FLAG( pcSPS->getTemporalIdNestingFlag() ? 1 : 0, "sps_temporal_id_nesting_flag" );
476 codePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1);
477 WRITE_UVLC( pcSPS->getSPSId (), "sps_seq_parameter_set_id" );
478 WRITE_UVLC( Int(pcSPS->getChromaFormatIdc ()), "chroma_format_idc" );
479 if( format == CHROMA_444 )
480 {
481 WRITE_FLAG( 0, "separate_colour_plane_flag");
482 }
483
484 WRITE_UVLC( pcSPS->getPicWidthInLumaSamples (), "pic_width_in_luma_samples" );
485 WRITE_UVLC( pcSPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" );
486 Window conf = pcSPS->getConformanceWindow();
487
488 WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_flag" );
489 if (conf.getWindowEnabledFlag())
490 {
491 WRITE_UVLC( conf.getWindowLeftOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_left_offset" );
492 WRITE_UVLC( conf.getWindowRightOffset() / TComSPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_right_offset" );
493 WRITE_UVLC( conf.getWindowTopOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_top_offset" );
494 WRITE_UVLC( conf.getWindowBottomOffset() / TComSPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_bottom_offset" );
495 }
496
497 WRITE_UVLC( pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) - 8, "bit_depth_luma_minus8" );
498
499 WRITE_UVLC( chromaEnabled ? (pcSPS->getBitDepth(CHANNEL_TYPE_CHROMA) - 8):0, "bit_depth_chroma_minus8" );
500
501 WRITE_UVLC( pcSPS->getBitsForPOC()-4, "log2_max_pic_order_cnt_lsb_minus4" );
502
503 const Bool subLayerOrderingInfoPresentFlag = 1;
504 WRITE_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag");
505 for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++)
506 {
507 WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i) - 1, "sps_max_dec_pic_buffering_minus1[i]" );
508 WRITE_UVLC( pcSPS->getNumReorderPics(i), "sps_num_reorder_pics[i]" );
509 WRITE_UVLC( pcSPS->getMaxLatencyIncrease(i), "sps_max_latency_increase_plus1[i]" );
510 if (!subLayerOrderingInfoPresentFlag)
511 {
512 break;
513 }
514 }
515 assert( pcSPS->getMaxCUWidth() == pcSPS->getMaxCUHeight() );
516
517 WRITE_UVLC( pcSPS->getLog2MinCodingBlockSize() - 3, "log2_min_coding_block_size_minus3" );
518 WRITE_UVLC( pcSPS->getLog2DiffMaxMinCodingBlockSize(), "log2_diff_max_min_coding_block_size" );
519 WRITE_UVLC( pcSPS->getQuadtreeTULog2MinSize() - 2, "log2_min_transform_block_size_minus2" );
520 WRITE_UVLC( pcSPS->getQuadtreeTULog2MaxSize() - pcSPS->getQuadtreeTULog2MinSize(), "log2_diff_max_min_transform_block_size" );
521 WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthInter() - 1, "max_transform_hierarchy_depth_inter" );
522 WRITE_UVLC( pcSPS->getQuadtreeTUMaxDepthIntra() - 1, "max_transform_hierarchy_depth_intra" );
523 WRITE_FLAG( pcSPS->getScalingListFlag() ? 1 : 0, "scaling_list_enabled_flag" );
524 if(pcSPS->getScalingListFlag())
525 {
526 WRITE_FLAG( pcSPS->getScalingListPresentFlag() ? 1 : 0, "sps_scaling_list_data_present_flag" );
527 if(pcSPS->getScalingListPresentFlag())
528 {
529 codeScalingList( m_pcSlice->getScalingList() );
530 }
531 }
532 WRITE_FLAG( pcSPS->getUseAMP() ? 1 : 0, "amp_enabled_flag" );
533 WRITE_FLAG( pcSPS->getUseSAO() ? 1 : 0, "sample_adaptive_offset_enabled_flag");
534
535 WRITE_FLAG( pcSPS->getUsePCM() ? 1 : 0, "pcm_enabled_flag");
536 if( pcSPS->getUsePCM() )
537 {
538 WRITE_CODE( pcSPS->getPCMBitDepth(CHANNEL_TYPE_LUMA) - 1, 4, "pcm_sample_bit_depth_luma_minus1" );
539 WRITE_CODE( chromaEnabled ? (pcSPS->getPCMBitDepth(CHANNEL_TYPE_CHROMA) - 1) : 0, 4, "pcm_sample_bit_depth_chroma_minus1" );
540 WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3, "log2_min_pcm_luma_coding_block_size_minus3" );
541 WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(), "log2_diff_max_min_pcm_luma_coding_block_size" );
542 WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0, "pcm_loop_filter_disable_flag");
543 }
544
545 assert( pcSPS->getMaxTLayers() > 0 );
546
547 TComRPSList* rpsList = pcSPS->getRPSList();
548 TComReferencePictureSet* rps;
549
550 #if SRPS_IN_SLICE
551 WRITE_UVLC(0, "num_short_term_ref_pic_sets" );
552 #else
553 WRITE_UVLC(rpsList->getNumberOfReferencePictureSets(), "num_short_term_ref_pic_sets" );
554 for(Int i=0; i < rpsList->getNumberOfReferencePictureSets(); i++)
555 {
556 rps = rpsList->getReferencePictureSet(i);
557 codeShortTermRefPicSet(pcSPS,rps,false, i);
558 }
559 #endif
560 WRITE_FLAG( pcSPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_present_flag" );
561 if (pcSPS->getLongTermRefsPresent())
562 {
563 WRITE_UVLC(pcSPS->getNumLongTermRefPicSPS(), "num_long_term_ref_pic_sps" );
564 for (UInt k = 0; k < pcSPS->getNumLongTermRefPicSPS(); k++)
565 {
566 WRITE_CODE( pcSPS->getLtRefPicPocLsbSps(k), pcSPS->getBitsForPOC(), "lt_ref_pic_poc_lsb_sps");
567 WRITE_FLAG( pcSPS->getUsedByCurrPicLtSPSFlag(k), "used_by_curr_pic_lt_sps_flag");
568 }
569 }
570 WRITE_FLAG( pcSPS->getTMVPFlagsPresent() ? 1 : 0, "sps_temporal_mvp_enable_flag" );
571
572 WRITE_FLAG( pcSPS->getUseStrongIntraSmoothing(), "sps_strong_intra_smoothing_enable_flag" );
573
574 WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(), "vui_parameters_present_flag" );
575 if (pcSPS->getVuiParametersPresentFlag())
576 {
577 codeVUI(pcSPS->getVuiParameters(), pcSPS);
578 }
579
580 Bool sps_extension_present_flag=false;
581 Bool sps_extension_flags[NUM_SPS_EXTENSION_FLAGS]={false};
582
583 sps_extension_flags[SPS_EXT__REXT] = (
584 pcSPS->getUseResidualRotation()
585 || pcSPS->getUseSingleSignificanceMapContext()
586 || pcSPS->getUseResidualDPCM(RDPCM_SIGNAL_IMPLICIT)
587 || pcSPS->getUseResidualDPCM(RDPCM_SIGNAL_EXPLICIT)
588 || pcSPS->getUseExtendedPrecision()
589 || pcSPS->getDisableIntraReferenceSmoothing()
590 || pcSPS->getUseHighPrecisionPredictionWeighting()
591 || pcSPS->getUseGolombRiceParameterAdaptation()
592 || pcSPS->getAlignCABACBeforeBypass()
593 );
594
595 // Other SPS extension flags checked here.
596
597 for(Int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++)
598 {
599 sps_extension_present_flag|=sps_extension_flags[i];
600 }
601
602 WRITE_FLAG( (sps_extension_present_flag?1:0), "sps_extension_present_flag" );
603
604 if (sps_extension_present_flag)
605 {
606 for(Int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++)
607 {
608 WRITE_FLAG( sps_extension_flags[i]?1:0, "sps_extension_flag[]" );
609 }
610
611 for(Int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum.
612 {
613 if (sps_extension_flags[i])
614 {
615 switch (SPSExtensionFlagIndex(i))
616 {
617 case SPS_EXT__REXT:
618
619 WRITE_FLAG( (pcSPS->getUseResidualRotation() ? 1 : 0), "transform_skip_rotation_enabled_flag");
620 WRITE_FLAG( (pcSPS->getUseSingleSignificanceMapContext() ? 1 : 0), "transform_skip_context_enabled_flag");
621 WRITE_FLAG( (pcSPS->getUseResidualDPCM(RDPCM_SIGNAL_IMPLICIT) ? 1 : 0), "residual_dpcm_implicit_enabled_flag" );
622 WRITE_FLAG( (pcSPS->getUseResidualDPCM(RDPCM_SIGNAL_EXPLICIT) ? 1 : 0), "residual_dpcm_explicit_enabled_flag" );
623 WRITE_FLAG( (pcSPS->getUseExtendedPrecision() ? 1 : 0), "extended_precision_processing_flag" );
624 WRITE_FLAG( (pcSPS->getDisableIntraReferenceSmoothing() ? 1 : 0), "intra_smoothing_disabled_flag" );
625 WRITE_FLAG( (pcSPS->getUseHighPrecisionPredictionWeighting() ? 1 : 0), "high_precision_prediction_weighting_flag" );
626 WRITE_FLAG( (pcSPS->getUseGolombRiceParameterAdaptation() ? 1 : 0), "golomb_rice_parameter_adaptation_flag" );
627 WRITE_FLAG( (pcSPS->getAlignCABACBeforeBypass() ? 1 : 0), "cabac_bypass_alignment_enabled_flag" );
628 break;
629 default:
630 assert(sps_extension_flags[i]==false); // Should never get here with an active SPS extension flag.
631 break;
632 }
633 }
634 }
635 }
636 }
637
638 Void TEncCavlc::codeVPS( TComVPS* pcVPS )
639 {
640 WRITE_CODE( pcVPS->getVPSId(), 4, "vps_video_parameter_set_id" );
641 WRITE_CODE( 3, 2, "vps_reserved_three_2bits" );
642 WRITE_CODE( 0, 6, "vps_reserved_zero_6bits" );
643 WRITE_CODE( pcVPS->getMaxTLayers() - 1, 3, "vps_max_sub_layers_minus1" );
644 WRITE_FLAG( pcVPS->getTemporalNestingFlag(), "vps_temporal_id_nesting_flag" );
645 assert (pcVPS->getMaxTLayers()>1||pcVPS->getTemporalNestingFlag());
646 WRITE_CODE( 0xffff, 16, "vps_reserved_ffff_16bits" );
647 codePTL( pcVPS->getPTL(), true, pcVPS->getMaxTLayers() - 1 );
648 const Bool subLayerOrderingInfoPresentFlag = 1;
649 WRITE_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag");
650 for(UInt i=0; i <= pcVPS->getMaxTLayers()-1; i++)
651 {
652 WRITE_UVLC( pcVPS->getMaxDecPicBuffering(i) - 1, "vps_max_dec_pic_buffering_minus1[i]" );
653 WRITE_UVLC( pcVPS->getNumReorderPics(i), "vps_num_reorder_pics[i]" );
654 WRITE_UVLC( pcVPS->getMaxLatencyIncrease(i), "vps_max_latency_increase_plus1[i]" );
655 if (!subLayerOrderingInfoPresentFlag)
656 {
657 break;
658 }
659 }
660
661 assert( pcVPS->getNumHrdParameters() <= MAX_VPS_NUM_HRD_PARAMETERS );
662 assert( pcVPS->getMaxNuhReservedZeroLayerId() < MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1 );
663 WRITE_CODE( pcVPS->getMaxNuhReservedZeroLayerId(), 6, "vps_max_nuh_reserved_zero_layer_id" );
664 pcVPS->setMaxOpSets(1);
665 WRITE_UVLC( pcVPS->getMaxOpSets() - 1, "vps_max_op_sets_minus1" );
666 for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ )
667 {
668 // Operation point set
669 for( UInt i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ )
670 {
671 // Only applicable for version 1
672 pcVPS->setLayerIdIncludedFlag( true, opsIdx, i );
673 WRITE_FLAG( pcVPS->getLayerIdIncludedFlag( opsIdx, i ) ? 1 : 0, "layer_id_included_flag[opsIdx][i]" );
674 }
675 }
676 TimingInfo *timingInfo = pcVPS->getTimingInfo();
677 WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "vps_timing_info_present_flag");
678 if(timingInfo->getTimingInfoPresentFlag())
679 {
680 WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "vps_num_units_in_tick");
681 WRITE_CODE(timingInfo->getTimeScale(), 32, "vps_time_scale");
682 WRITE_FLAG(timingInfo->getPocProportionalToTimingFlag(), "vps_poc_proportional_to_timing_flag");
683 if(timingInfo->getPocProportionalToTimingFlag())
684 {
685 WRITE_UVLC(timingInfo->getNumTicksPocDiffOneMinus1(), "vps_num_ticks_poc_diff_one_minus1");
686 }
687 pcVPS->setNumHrdParameters( 0 );
688 WRITE_UVLC( pcVPS->getNumHrdParameters(), "vps_num_hrd_parameters" );
689
690 if( pcVPS->getNumHrdParameters() > 0 )
691 {
692 pcVPS->createHrdParamBuffer();
693 }
694 for( UInt i = 0; i < pcVPS->getNumHrdParameters(); i ++ )
695 {
696 // Only applicable for version 1
697 pcVPS->setHrdOpSetIdx( 0, i );
698 WRITE_UVLC( pcVPS->getHrdOpSetIdx( i ), "hrd_op_set_idx" );
699 if( i > 0 )
700 {
701 WRITE_FLAG( pcVPS->getCprmsPresentFlag( i ) ? 1 : 0, "cprms_present_flag[i]" );
702 }
703 codeHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1);
704 }
705 }
706 WRITE_FLAG( 0, "vps_extension_flag" );
707
708 //future extensions here..
709
710 return;
711 }
712
713 Void TEncCavlc::codeSliceHeader ( TComSlice* pcSlice )
714 {
715 #if ENC_DEC_TRACE
716 xTraceSliceHeader (pcSlice);
717 #endif
718
719 const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc();
720 const UInt numberValidComponents = getNumberValidComponents(format);
721 const Bool chromaEnabled = isChromaEnabled(format);
722
723 //calculate number of bits required for slice address
724 Int maxSliceSegmentAddress = pcSlice->getPic()->getNumberOfCtusInFrame();
725 Int bitsSliceSegmentAddress = 0;
726 while(maxSliceSegmentAddress>(1<<bitsSliceSegmentAddress))
727 {
728 bitsSliceSegmentAddress++;
729 }
730 const Int ctuTsAddress = pcSlice->getSliceSegmentCurStartCtuTsAddr();
731
732 //write slice address
733 const Int sliceSegmentRsAddress = pcSlice->getPic()->getPicSym()->getCtuTsToRsAddrMap(ctuTsAddress);
734
735 WRITE_FLAG( sliceSegmentRsAddress==0, "first_slice_segment_in_pic_flag" );
736 if ( pcSlice->getRapPicFlag() )
737 {
738 WRITE_FLAG( pcSlice->getNoOutputPriorPicsFlag() ? 1 : 0, "no_output_of_prior_pics_flag" );
739 }
740 WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "slice_pic_parameter_set_id" );
741 if ( pcSlice->getPPS()->getDependentSliceSegmentsEnabledFlag() && (sliceSegmentRsAddress!=0) )
742 {
743 WRITE_FLAG( pcSlice->getDependentSliceSegmentFlag() ? 1 : 0, "dependent_slice_segment_flag" );
744 }
745 if(sliceSegmentRsAddress>0)
746 {
747 WRITE_CODE( sliceSegmentRsAddress, bitsSliceSegmentAddress, "slice_segment_address" );
748 }
749 if ( !pcSlice->getDependentSliceSegmentFlag() )
750 {
751 for (Int i = 0; i < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++)
752 {
753 assert(!!"slice_reserved_undetermined_flag[]");
754 WRITE_FLAG(0, "slice_reserved_undetermined_flag[]");
755 }
756
757 WRITE_UVLC( pcSlice->getSliceType(), "slice_type" );
758
759 if( pcSlice->getPPS()->getOutputFlagPresentFlag() )
760 {
761 WRITE_FLAG( pcSlice->getPicOutputFlag() ? 1 : 0, "pic_output_flag" );
762 }
763
764 if( !pcSlice->getIdrPicFlag() )
765 {
766 Int picOrderCntLSB = (pcSlice->getPOC()-pcSlice->getLastIDR()+(1<<pcSlice->getSPS()->getBitsForPOC())) & ((1<<pcSlice->getSPS()->getBitsForPOC())-1);
767 WRITE_CODE( picOrderCntLSB, pcSlice->getSPS()->getBitsForPOC(), "pic_order_cnt_lsb");
768 TComReferencePictureSet* rps = pcSlice->getRPS();
769
770 // check for bitstream restriction stating that:
771 // If the current picture is a BLA or CRA picture, the value of NumPocTotalCurr shall be equal to 0.
772 // Ideally this process should not be repeated for each slice in a picture
773 if (pcSlice->isIRAP())
774 {
775 for (Int picIdx = 0; picIdx < rps->getNumberOfPictures(); picIdx++)
776 {
777 assert (!rps->getUsed(picIdx));
778 }
779 }
780
781 #if SRPS_IN_SLICE
782 {
783 WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag");
784 codeShortTermRefPicSet(pcSlice->getSPS(), rps, true, 0);
785 }
786 #else
787 if(pcSlice->getRPSidx() < 0)
788 {
789 WRITE_FLAG( 0, "short_term_ref_pic_set_sps_flag");
790 codeShortTermRefPicSet(pcSlice->getSPS(), rps, true, pcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets());
791 }
792 else
793 {
794 WRITE_FLAG( 1, "short_term_ref_pic_set_sps_flag");
795 Int numBits = 0;
796 while ((1 << numBits) < pcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets())
797 {
798 numBits++;
799 }
800 if (numBits > 0)
801 {
802 WRITE_CODE( pcSlice->getRPSidx(), numBits, "short_term_ref_pic_set_idx" );
803 }
804 }
805 #endif
806 if(pcSlice->getSPS()->getLongTermRefsPresent())
807 {
808 Int numLtrpInSH = rps->getNumberOfLongtermPictures();
809 Int ltrpInSPS[MAX_NUM_REF_PICS];
810 Int numLtrpInSPS = 0;
811 UInt ltrpIndex;
812 Int counter = 0;
813 for(Int k = rps->getNumberOfPictures()-1; k > rps->getNumberOfPictures()-rps->getNumberOfLongtermPictures()-1; k--)
814 {
815 if (findMatchingLTRP(pcSlice, &ltrpIndex, rps->getPOC(k), rps->getUsed(k)))
816 {
817 ltrpInSPS[numLtrpInSPS] = ltrpIndex;
818 numLtrpInSPS++;
819 }
820 else
821 {
822 counter++;
823 }
824 }
825 numLtrpInSH -= numLtrpInSPS;
826
827 Int bitsForLtrpInSPS = 0;
828 while (pcSlice->getSPS()->getNumLongTermRefPicSPS() > (1 << bitsForLtrpInSPS))
829 {
830 bitsForLtrpInSPS++;
831 }
832 if (pcSlice->getSPS()->getNumLongTermRefPicSPS() > 0)
833 {
834 WRITE_UVLC( numLtrpInSPS, "num_long_term_sps");
835 }
836 WRITE_UVLC( numLtrpInSH, "num_long_term_pics");
837 // Note that the LSBs of the LT ref. pic. POCs must be sorted before.
838 // Not sorted here because LT ref indices will be used in setRefPicList()
839 Int prevDeltaMSB = 0, prevLSB = 0;
840 Int offset = rps->getNumberOfNegativePictures() + rps->getNumberOfPositivePictures();
841 for(Int i=rps->getNumberOfPictures()-1 ; i > offset-1; i--)
842 {
843 if (counter < numLtrpInSPS)
844 {
845 if (bitsForLtrpInSPS > 0)
846 {
847 WRITE_CODE( ltrpInSPS[counter], bitsForLtrpInSPS, "lt_idx_sps[i]");
848 }
849 }
850 else
851 {
852 WRITE_CODE( rps->getPocLSBLT(i), pcSlice->getSPS()->getBitsForPOC(), "poc_lsb_lt");
853 WRITE_FLAG( rps->getUsed(i), "used_by_curr_pic_lt_flag");
854 }
855 WRITE_FLAG( rps->getDeltaPocMSBPresentFlag(i), "delta_poc_msb_present_flag");
856
857 if(rps->getDeltaPocMSBPresentFlag(i))
858 {
859 Bool deltaFlag = false;
860 // First LTRP from SPS || First LTRP from SH || curr LSB != prev LSB
861 if( (i == rps->getNumberOfPictures()-1) || (i == rps->getNumberOfPictures()-1-numLtrpInSPS) || (rps->getPocLSBLT(i) != prevLSB) )
862 {
863 deltaFlag = true;
864 }
865 if(deltaFlag)
866 {
867 WRITE_UVLC( rps->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i]" );
868 }
869 else
870 {
871 Int differenceInDeltaMSB = rps->getDeltaPocMSBCycleLT(i) - prevDeltaMSB;
872 assert(differenceInDeltaMSB >= 0);
873 WRITE_UVLC( differenceInDeltaMSB, "delta_poc_msb_cycle_lt[i]" );
874 }
875 prevLSB = rps->getPocLSBLT(i);
876 prevDeltaMSB = rps->getDeltaPocMSBCycleLT(i);
877 }
878 }
879 }
880 if (pcSlice->getSPS()->getTMVPFlagsPresent())
881 {
882 WRITE_FLAG( pcSlice->getEnableTMVPFlag() ? 1 : 0, "slice_temporal_mvp_enable_flag" );
883 }
884 }
885 if(pcSlice->getSPS()->getUseSAO())
886 {
887 WRITE_FLAG( pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA), "slice_sao_luma_flag" );
888 if (chromaEnabled) WRITE_FLAG( pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA), "slice_sao_chroma_flag" );
889 }
890
891 //check if numrefidxes match the defaults. If not, override
892
893 if (!pcSlice->isIntra())
894 {
895 Bool overrideFlag = (pcSlice->getNumRefIdx( REF_PIC_LIST_0 )!=pcSlice->getPPS()->getNumRefIdxL0DefaultActive()||(pcSlice->isInterB()&&pcSlice->getNumRefIdx( REF_PIC_LIST_1 )!=pcSlice->getPPS()->getNumRefIdxL1DefaultActive()));
896 WRITE_FLAG( overrideFlag ? 1 : 0, "num_ref_idx_active_override_flag");
897 if (overrideFlag)
898 {
899 WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) - 1, "num_ref_idx_l0_active_minus1" );
900 if (pcSlice->isInterB())
901 {
902 WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) - 1, "num_ref_idx_l1_active_minus1" );
903 }
904 else
905 {
906 pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0);
907 }
908 }
909 }
910 else
911 {
912 pcSlice->setNumRefIdx(REF_PIC_LIST_0, 0);
913 pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0);
914 }
915
916 if( pcSlice->getPPS()->getListsModificationPresentFlag() && pcSlice->getNumRpsCurrTempList() > 1)
917 {
918 TComRefPicListModification* refPicListModification = pcSlice->getRefPicListModification();
919 if(!pcSlice->isIntra())
920 {
921 WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0() ? 1 : 0, "ref_pic_list_modification_flag_l0" );
922 if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL0())
923 {
924 Int numRpsCurrTempList0 = pcSlice->getNumRpsCurrTempList();
925 if (numRpsCurrTempList0 > 1)
926 {
927 Int length = 1;
928 numRpsCurrTempList0 --;
929 while ( numRpsCurrTempList0 >>= 1)
930 {
931 length ++;
932 }
933 for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_0 ); i++)
934 {
935 WRITE_CODE( refPicListModification->getRefPicSetIdxL0(i), length, "list_entry_l0");
936 }
937 }
938 }
939 }
940 if(pcSlice->isInterB())
941 {
942 WRITE_FLAG(pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1() ? 1 : 0, "ref_pic_list_modification_flag_l1" );
943 if (pcSlice->getRefPicListModification()->getRefPicListModificationFlagL1())
944 {
945 Int numRpsCurrTempList1 = pcSlice->getNumRpsCurrTempList();
946 if ( numRpsCurrTempList1 > 1 )
947 {
948 Int length = 1;
949 numRpsCurrTempList1 --;
950 while ( numRpsCurrTempList1 >>= 1)
951 {
952 length ++;
953 }
954 for(Int i = 0; i < pcSlice->getNumRefIdx( REF_PIC_LIST_1 ); i++)
955 {
956 WRITE_CODE( refPicListModification->getRefPicSetIdxL1(i), length, "list_entry_l1");
957 }
958 }
959 }
960 }
961 }
962
963 if (pcSlice->isInterB())
964 {
965 WRITE_FLAG( pcSlice->getMvdL1ZeroFlag() ? 1 : 0, "mvd_l1_zero_flag");
966 }
967
968 if(!pcSlice->isIntra())
969 {
970 if (!pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag())
971 {
972 SliceType sliceType = pcSlice->getSliceType();
973 Int encCABACTableIdx = pcSlice->getPPS()->getEncCABACTableIdx();
974 Bool encCabacInitFlag = (sliceType!=encCABACTableIdx && encCABACTableIdx!=I_SLICE) ? true : false;
975 pcSlice->setCabacInitFlag( encCabacInitFlag );
976 WRITE_FLAG( encCabacInitFlag?1:0, "cabac_init_flag" );
977 }
978 }
979
980 if ( pcSlice->getEnableTMVPFlag() )
981 {
982 if ( pcSlice->getSliceType() == B_SLICE )
983 {
984 WRITE_FLAG( pcSlice->getColFromL0Flag(), "collocated_from_l0_flag" );
985 }
986
987 if ( pcSlice->getSliceType() != I_SLICE &&
988 ((pcSlice->getColFromL0Flag()==1 && pcSlice->getNumRefIdx(REF_PIC_LIST_0)>1)||
989 (pcSlice->getColFromL0Flag()==0 && pcSlice->getNumRefIdx(REF_PIC_LIST_1)>1)))
990 {
991 WRITE_UVLC( pcSlice->getColRefIdx(), "collocated_ref_idx" );
992 }
993 }
994 if ( (pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType()==P_SLICE) || (pcSlice->getPPS()->getWPBiPred() && pcSlice->getSliceType()==B_SLICE) )
995 {
996 xCodePredWeightTable( pcSlice );
997 }
998 assert(pcSlice->getMaxNumMergeCand()<=MRG_MAX_NUM_CANDS);
999 if (!pcSlice->isIntra())
1000 {
1001 WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "five_minus_max_num_merge_cand");
1002 }
1003 Int iCode = pcSlice->getSliceQp() - ( pcSlice->getPPS()->getPicInitQPMinus26() + 26 );
1004 WRITE_SVLC( iCode, "slice_qp_delta" );
1005 if (pcSlice->getPPS()->getSliceChromaQpFlag())
1006 {
1007 if (numberValidComponents > COMPONENT_Cb) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cb), "slice_qp_delta_cb" ); }
1008 if (numberValidComponents > COMPONENT_Cr) { WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cr), "slice_qp_delta_cr" ); }
1009 assert(numberValidComponents <= COMPONENT_Cr+1);
1010 }
1011
1012 if (pcSlice->getPPS()->getChromaQpAdjTableSize() > 0)
1013 {
1014 WRITE_FLAG(pcSlice->getUseChromaQpAdj(), "slice_chroma_qp_adjustment_enabled_flag");
1015 }
1016
1017 if (pcSlice->getPPS()->getDeblockingFilterControlPresentFlag())
1018 {
1019 if (pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() )
1020 {
1021 WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "deblocking_filter_override_flag");
1022 }
1023 if (pcSlice->getDeblockingFilterOverrideFlag())
1024 {
1025 WRITE_FLAG(pcSlice->getDeblockingFilterDisable(), "slice_disable_deblocking_filter_flag");
1026 if(!pcSlice->getDeblockingFilterDisable())
1027 {
1028 WRITE_SVLC (pcSlice->getDeblockingFilterBetaOffsetDiv2(), "slice_beta_offset_div2");
1029 WRITE_SVLC (pcSlice->getDeblockingFilterTcOffsetDiv2(), "slice_tc_offset_div2");
1030 }
1031 }
1032 }
1033
1034 Bool isSAOEnabled = pcSlice->getSPS()->getUseSAO() && (pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA) || (chromaEnabled && pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA)));
1035 Bool isDBFEnabled = (!pcSlice->getDeblockingFilterDisable());
1036
1037 if(pcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled ))
1038 {
1039 WRITE_FLAG(pcSlice->getLFCrossSliceBoundaryFlag()?1:0, "slice_loop_filter_across_slices_enabled_flag");
1040 }
1041 }
1042 if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag())
1043 {
1044 WRITE_UVLC(0,"slice_header_extension_length");
1045 }
1046 }
1047
1048 Void TEncCavlc::codePTL( TComPTL* pcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1)
1049 {
1050 if(profilePresentFlag)
1051 {
1052 codeProfileTier(pcPTL->getGeneralPTL()); // general_...
1053 }
1054 WRITE_CODE( Int(pcPTL->getGeneralPTL()->getLevelIdc()), 8, "general_level_idc" );
1055
1056 for (Int i = 0; i < maxNumSubLayersMinus1; i++)
1057 {
1058 if(profilePresentFlag)
1059 {
1060 WRITE_FLAG( pcPTL->getSubLayerProfilePresentFlag(i), "sub_layer_profile_present_flag[i]" );
1061 }
1062
1063 WRITE_FLAG( pcPTL->getSubLayerLevelPresentFlag(i), "sub_layer_level_present_flag[i]" );
1064 }
1065
1066 if (maxNumSubLayersMinus1 > 0)
1067 {
1068 for (Int i = maxNumSubLayersMinus1; i < 8; i++)
1069 {
1070 WRITE_CODE(0, 2, "reserved_zero_2bits");
1071 }
1072 }
1073
1074 for(Int i = 0; i < maxNumSubLayersMinus1; i++)
1075 {
1076 if( profilePresentFlag && pcPTL->getSubLayerProfilePresentFlag(i) )
1077 {
1078 codeProfileTier(pcPTL->getSubLayerPTL(i)); // sub_layer_...
1079 }
1080 if( pcPTL->getSubLayerLevelPresentFlag(i) )
1081 {
1082 WRITE_CODE( Int(pcPTL->getSubLayerPTL(i)->getLevelIdc()), 8, "sub_layer_level_idc[i]" );
1083 }
1084 }
1085 }
1086 Void TEncCavlc::codeProfileTier( ProfileTierLevel* ptl )
1087 {
1088 WRITE_CODE( ptl->getProfileSpace(), 2 , "XXX_profile_space[]");
1089 WRITE_FLAG( ptl->getTierFlag()==Level::HIGH, "XXX_tier_flag[]" );
1090 WRITE_CODE( Int(ptl->getProfileIdc()), 5 , "XXX_profile_idc[]" );
1091 for(Int j = 0; j < 32; j++)
1092 {
1093 WRITE_FLAG( ptl->getProfileCompatibilityFlag(j), "XXX_profile_compatibility_flag[][j]");
1094 }
1095
1096 WRITE_FLAG(ptl->getProgressiveSourceFlag(), "general_progressive_source_flag");
1097 WRITE_FLAG(ptl->getInterlacedSourceFlag(), "general_interlaced_source_flag");
1098 WRITE_FLAG(ptl->getNonPackedConstraintFlag(), "general_non_packed_constraint_flag");
1099 WRITE_FLAG(ptl->getFrameOnlyConstraintFlag(), "general_frame_only_constraint_flag");
1100
1101 if (ptl->getProfileIdc() == Profile::MAINREXT || ptl->getProfileIdc() == Profile::HIGHTHROUGHPUTREXT )
1102 {
1103 const UInt bitDepthConstraint=ptl->getBitDepthConstraint();
1104 WRITE_FLAG(bitDepthConstraint<=12, "general_max_12bit_constraint_flag");
1105 WRITE_FLAG(bitDepthConstraint<=10, "general_max_10bit_constraint_flag");
1106 WRITE_FLAG(bitDepthConstraint<= 8, "general_max_8bit_constraint_flag");
1107 const ChromaFormat chromaFmtConstraint=ptl->getChromaFormatConstraint();
1108 WRITE_FLAG(chromaFmtConstraint==CHROMA_422||chromaFmtConstraint==CHROMA_420||chromaFmtConstraint==CHROMA_400, "general_max_422chroma_constraint_flag");
1109 WRITE_FLAG(chromaFmtConstraint==CHROMA_420||chromaFmtConstraint==CHROMA_400, "general_max_420chroma_constraint_flag");
1110 WRITE_FLAG(chromaFmtConstraint==CHROMA_400, "general_max_monochrome_constraint_flag");
1111 WRITE_FLAG(ptl->getIntraConstraintFlag(), "general_intra_constraint_flag");
1112 WRITE_FLAG(0, "general_one_picture_only_constraint_flag");
1113 WRITE_FLAG(ptl->getLowerBitRateConstraintFlag(), "general_lower_bit_rate_constraint_flag");
1114 WRITE_CODE(0 , 16, "XXX_reserved_zero_35bits[0..15]");
1115 WRITE_CODE(0 , 16, "XXX_reserved_zero_35bits[16..31]");
1116 WRITE_CODE(0 , 3, "XXX_reserved_zero_35bits[32..34]");
1117 }
1118 else
1119 {
1120 WRITE_CODE(0x0000 , 16, "XXX_reserved_zero_44bits[0..15]");
1121 WRITE_CODE(0x0000 , 16, "XXX_reserved_zero_44bits[16..31]");
1122 WRITE_CODE(0x000 , 12, "XXX_reserved_zero_44bits[32..43]");
1123 }
1124 }
1125
1126 /**
1127 - write tiles and wavefront substreams sizes for the slice header.
1128 .
1129 \param pcSlice Where we find the substream size information.
1130 */
1131 Void TEncCavlc::codeTilesWPPEntryPoint( TComSlice* pSlice )
1132 {
1133 if (!pSlice->getPPS()->getTilesEnabledFlag() && !pSlice->getPPS()->getEntropyCodingSyncEnabledFlag())
1134 {
1135 return;
1136 }
1137 UInt maxOffset = 0;
1138 for(Int idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++)
1139 {
1140 UInt offset=pSlice->getSubstreamSize(idx);
1141 if ( offset > maxOffset )
1142 {
1143 maxOffset = offset;
1144 }
1145 }
1146
1147 // Determine number of bits "offsetLenMinus1+1" required for entry point information
1148 UInt offsetLenMinus1 = 0;
1149 while (maxOffset >= (1u << (offsetLenMinus1 + 1)))
1150 {
1151 offsetLenMinus1++;
1152 assert(offsetLenMinus1 + 1 < 32);
1153 }
1154
1155 WRITE_UVLC(pSlice->getNumberOfSubstreamSizes(), "num_entry_point_offsets");
1156 if (pSlice->getNumberOfSubstreamSizes()>0)
1157 {
1158 WRITE_UVLC(offsetLenMinus1, "offset_len_minus1");
1159
1160 for (UInt idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++)
1161 {
1162 WRITE_CODE(pSlice->getSubstreamSize(idx)-1, offsetLenMinus1+1, "entry_point_offset_minus1");
1163 }
1164 }
1165 }
1166
1167 Void TEncCavlc::codeTerminatingBit ( UInt uilsLast )
1168 {
1169 }
1170
1171 Void TEncCavlc::codeSliceFinish ()
1172 {
1173 }
1174
1175 Void TEncCavlc::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1176 {
1177 assert(0);
1178 }
1179
1180 Void TEncCavlc::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1181 {
1182 assert(0);
1183 }
1184
1185 Void TEncCavlc::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx )
1186 {
1187 assert(0);
1188 }
1189
1190 Void TEncCavlc::codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx )
1191 {
1192 assert(0);
1193 }
1194
1195 Void TEncCavlc::codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx )
1196 {
1197 assert(0);
1198 }
1199
1200 Void TEncCavlc::codeInterModeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiEncMode )
1201 {
1202 assert(0);
1203 }
1204
1205 Void TEncCavlc::codeCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1206 {
1207 assert(0);
1208 }
1209
1210 Void TEncCavlc::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx )
1211 {
1212 assert(0);
1213 }
1214
1215 Void TEncCavlc::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth )
1216 {
1217 assert(0);
1218 }
1219
1220 Void TEncCavlc::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx )
1221 {
1222 assert(0);
1223 }
1224
1225 Void TEncCavlc::codeQtCbf( TComTU &rTu, const ComponentID compID, const Bool lowestLevel )
1226 {
1227 assert(0);
1228 }
1229
1230 Void TEncCavlc::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx )
1231 {
1232 assert(0);
1233 }
1234
1235 Void TEncCavlc::codeQtCbfZero( TComTU &rTu, const ChannelType chType )
1236 {
1237 assert(0);
1238 }
1239 Void TEncCavlc::codeQtRootCbfZero( TComDataCU* pcCU )
1240 {
1241 assert(0);
1242 }
1243
1244 Void TEncCavlc::codeTransformSkipFlags (TComTU &rTu, ComponentID component )
1245 {
1246 assert(0);
1247 }
1248
1249 /** Code I_PCM information.
1250 * \param pcCU pointer to CU
1251 * \param uiAbsPartIdx CU index
1252 * \returns Void
1253 */
1254 Void TEncCavlc::codeIPCMInfo( TComDataCU* pcCU, UInt uiAbsPartIdx )
1255 {
1256 assert(0);
1257 }
1258
1259 Void TEncCavlc::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, Bool isMultiple)
1260 {
1261 assert(0);
1262 }
1263
1264 Void TEncCavlc::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx )
1265 {
1266 assert(0);
1267 }
1268
1269 Void TEncCavlc::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx )
1270 {
1271 assert(0);
1272 }
1273
1274 Void TEncCavlc::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1275 {
1276 assert(0);
1277 }
1278
1279 Void TEncCavlc::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList )
1280 {
1281 assert(0);
1282 }
1283
1284 Void TEncCavlc::codeCrossComponentPrediction( TComTU& /*rTu*/, ComponentID /*compID*/ )
1285 {
1286 assert(0);
1287 }
1288
1289 Void TEncCavlc::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx )
1290 {
1291 Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getRefQP( uiAbsPartIdx );
1292
1293 Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffset(CHANNEL_TYPE_LUMA);
1294 iDQp = (iDQp + 78 + qpBdOffsetY + (qpBdOffsetY/2)) % (52 + qpBdOffsetY) - 26 - (qpBdOffsetY/2);
1295
1296 xWriteSvlc( iDQp );
1297
1298 return;
1299 }
1300
1301 Void TEncCavlc::codeChromaQpAdjustment( TComDataCU* pcCU, UInt uiAbsPartIdx )
1302 {
1303 assert(0);
1304 }
1305
1306 Void TEncCavlc::codeCoeffNxN ( TComTU &rTu, TCoeff* pcCoef, const ComponentID compID )
1307 {
1308 assert(0);
1309 }
1310
1311 Void TEncCavlc::estBit( estBitsSbacStruct* pcEstBitsCabac, Int width, Int height, ChannelType chType )
1312 {
1313 // printf("error : no VLC mode support in this version\n");
1314 return;
1315 }
1316
1317 // ====================================================================================================================
1318 // Protected member functions
1319 // ====================================================================================================================
1320
1321 /** code explicit wp tables
1322 * \param TComSlice* pcSlice
1323 * \returns Void
1324 */
1325 Void TEncCavlc::xCodePredWeightTable( TComSlice* pcSlice )
1326 {
1327 WPScalingParam *wp;
1328 const ChromaFormat format = pcSlice->getPic()->getChromaFormat();
1329 const UInt numberValidComponents = getNumberValidComponents(format);
1330 const Bool bChroma = isChromaEnabled(format);
1331 const Int iNbRef = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1);
1332 Bool bDenomCoded = false;
1333 UInt uiMode = 0;
1334 UInt uiTotalSignalledWeightFlags = 0;
1335
1336 if ( (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()) )
1337 {
1338 uiMode = 1; // explicit
1339 }
1340 if(uiMode == 1)
1341 {
1342 for ( Int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ )
1343 {
1344 RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 );
1345
1346 // NOTE: wp[].uiLog2WeightDenom and wp[].bPresentFlag are actually per-channel-type settings.
1347
1348 for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ )
1349 {
1350 pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
1351 if ( !bDenomCoded )
1352 {
1353 Int iDeltaDenom;
1354 WRITE_UVLC( wp[COMPONENT_Y].uiLog2WeightDenom, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom
1355
1356 if( bChroma )
1357 {
1358 assert(wp[COMPONENT_Cb].uiLog2WeightDenom == wp[COMPONENT_Cr].uiLog2WeightDenom); // check the channel-type settings are consistent across components.
1359 iDeltaDenom = (wp[COMPONENT_Cb].uiLog2WeightDenom - wp[COMPONENT_Y].uiLog2WeightDenom);
1360 WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): delta_chroma_log2_weight_denom
1361 }
1362 bDenomCoded = true;
1363 }
1364 WRITE_FLAG( wp[COMPONENT_Y].bPresentFlag, "luma_weight_lX_flag" ); // u(1): luma_weight_lX_flag
1365 uiTotalSignalledWeightFlags += wp[COMPONENT_Y].bPresentFlag;
1366 }
1367 if (bChroma)
1368 {
1369 for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ )
1370 {
1371 pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
1372 assert(wp[COMPONENT_Cb].bPresentFlag == wp[COMPONENT_Cr].bPresentFlag); // check the channel-type settings are consistent across components.
1373 WRITE_FLAG( wp[COMPONENT_Cb].bPresentFlag, "chroma_weight_lX_flag" ); // u(1): chroma_weight_lX_flag
1374 uiTotalSignalledWeightFlags += 2*wp[COMPONENT_Cb].bPresentFlag;
1375 }
1376 }
1377
1378 for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ )
1379 {
1380 pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
1381 if ( wp[COMPONENT_Y].bPresentFlag )
1382 {
1383 Int iDeltaWeight = (wp[COMPONENT_Y].iWeight - (1<<wp[COMPONENT_Y].uiLog2WeightDenom));
1384 WRITE_SVLC( iDeltaWeight, "delta_luma_weight_lX" ); // se(v): delta_luma_weight_lX
1385 WRITE_SVLC( wp[COMPONENT_Y].iOffset, "luma_offset_lX" ); // se(v): luma_offset_lX
1386 }
1387
1388 if ( bChroma )
1389 {
1390 if ( wp[COMPONENT_Cb].bPresentFlag )
1391 {
1392 for ( Int j = COMPONENT_Cb ; j < numberValidComponents ; j++ )
1393 {
1394 assert(wp[COMPONENT_Cb].uiLog2WeightDenom == wp[COMPONENT_Cr].uiLog2WeightDenom);
1395 Int iDeltaWeight = (wp[j].iWeight - (1<<wp[COMPONENT_Cb].uiLog2WeightDenom));
1396 WRITE_SVLC( iDeltaWeight, "delta_chroma_weight_lX" ); // se(v): delta_chroma_weight_lX
1397
1398 Int range=pcSlice->getSPS()->getUseHighPrecisionPredictionWeighting() ? (1<<g_bitDepth[CHANNEL_TYPE_CHROMA])/2 : 128;
1399 Int pred = ( range - ( ( range*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) );
1400 Int iDeltaChroma = (wp[j].iOffset - pred);
1401 WRITE_SVLC( iDeltaChroma, "delta_chroma_offset_lX" ); // se(v): delta_chroma_offset_lX
1402 }
1403 }
1404 }
1405 }
1406 }
1407 assert(uiTotalSignalledWeightFlags<=24);
1408 }
1409 }
1410
1411 /** code quantization matrix
1412 * \param scalingList quantization matrix information
1413 */
1414 Void TEncCavlc::codeScalingList( TComScalingList* scalingList )
1415 {
1416 UInt listId,sizeId;
1417 Bool scalingListPredModeFlag;
1418
1419 //for each size
1420 for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++)
1421 {
1422 Int predListStep = (sizeId == SCALING_LIST_32x32? (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) : 1); // if 32x32, skip over chroma entries.
1423
1424 for(listId = 0; listId < SCALING_LIST_NUM; listId+=predListStep)
1425 {
1426 scalingListPredModeFlag = scalingList->checkPredMode( sizeId, listId );
1427 WRITE_FLAG( scalingListPredModeFlag, "scaling_list_pred_mode_flag" );
1428 if(!scalingListPredModeFlag)// Copy Mode
1429 {
1430 if (sizeId == SCALING_LIST_32x32)
1431 {
1432 // adjust the code, to cope with the missing chroma entries
1433 WRITE_UVLC( ((Int)listId - (Int)scalingList->getRefMatrixId (sizeId,listId)) / (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES), "scaling_list_pred_matrix_id_delta");
1434 }
1435 else
1436 {
1437 WRITE_UVLC( (Int)listId - (Int)scalingList->getRefMatrixId (sizeId,listId), "scaling_list_pred_matrix_id_delta");
1438 }
1439 }
1440 else// DPCM Mode
1441 {
1442 xCodeScalingList(scalingList, sizeId, listId);
1443 }
1444 }
1445 }
1446 return;
1447 }
1448 /** code DPCM
1449 * \param scalingList quantization matrix information
1450 * \param sizeIdc size index
1451 * \param listIdc list index
1452 */
1453 Void TEncCavlc::xCodeScalingList(TComScalingList* scalingList, UInt sizeId, UInt listId)
1454 {
1455 Int coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]);
1456 UInt* scan = g_scanOrder[SCAN_UNGROUPED][SCAN_DIAG][sizeId==0 ? 2 : 3][sizeId==0 ? 2 : 3];
1457 Int nextCoef = SCALING_LIST_START_VALUE;
1458 Int data;
1459 Int *src = scalingList->getScalingListAddress(sizeId, listId);
1460 if( sizeId > SCALING_LIST_8x8 )
1461 {
1462 WRITE_SVLC( scalingList->getScalingListDC(sizeId,listId) - 8, "scaling_list_dc_coef_minus8");
1463 nextCoef = scalingList->getScalingListDC(sizeId,listId);
1464 }
1465 for(Int i=0;i<coefNum;i++)
1466 {
1467 data = src[scan[i]] - nextCoef;
1468 nextCoef = src[scan[i]];
1469 if(data > 127)
1470 {
1471 data = data - 256;
1472 }
1473 if(data < -128)
1474 {
1475 data = data + 256;
1476 }
1477
1478 WRITE_SVLC( data, "scaling_list_delta_coef");
1479 }
1480 }
1481 Bool TEncCavlc::findMatchingLTRP ( TComSlice* pcSlice, UInt *ltrpsIndex, Int ltrpPOC, Bool usedFlag )
1482 {
1483 // Bool state = true, state2 = false;
1484 Int lsb = ltrpPOC & ((1<<pcSlice->getSPS()->getBitsForPOC())-1);
1485 for (Int k = 0; k < pcSlice->getSPS()->getNumLongTermRefPicSPS(); k++)
1486 {
1487 if ( (lsb == pcSlice->getSPS()->getLtRefPicPocLsbSps(k)) && (usedFlag == pcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(k)) )
1488 {
1489 *ltrpsIndex = k;
1490 return true;
1491 }
1492 }
1493 return false;
1494 }
1495 Bool TComScalingList::checkPredMode(UInt sizeId, UInt listId)
1496 {
1497 Int predListStep = (sizeId == SCALING_LIST_32x32? (SCALING_LIST_NUM/NUMBER_OF_PREDICTION_MODES) : 1); // if 32x32, skip over chroma entries.
1498
1499 for(Int predListIdx = (Int)listId ; predListIdx >= 0; predListIdx-=predListStep)
1500 {
1501 if( !memcmp(getScalingListAddress(sizeId,listId),((listId == predListIdx) ?
1502 getScalingListDefaultAddress(sizeId, predListIdx): getScalingListAddress(sizeId, predListIdx)),sizeof(Int)*min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId])) // check value of matrix
1503 && ((sizeId < SCALING_LIST_16x16) || (getScalingListDC(sizeId,listId) == getScalingListDC(sizeId,predListIdx)))) // check DC value
1504 {
1505 setRefMatrixId(sizeId, listId, predListIdx);
1506 return false;
1507 }
1508 }
1509 return true;
1510 }
1511
1512 Void TEncCavlc::codeExplicitRdpcmMode( TComTU &rTu, const ComponentID compID )
1513 {
1514 assert(0);
1515 }
1516
1517 //! \}