source: SHVCSoftware/trunk/source/Lib/TLibEncoder/SEIwrite.cpp @ 363

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[313]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#include "TLibCommon/TComBitCounter.h"
35#include "TLibCommon/TComBitStream.h"
36#include "TLibCommon/SEI.h"
37#include "TLibCommon/TComSlice.h"
38#include "SEIwrite.h"
39
40//! \ingroup TLibEncoder
41//! \{
42
43#if ENC_DEC_TRACE
44Void  xTraceSEIHeader()
45{
46  fprintf( g_hTrace, "=========== SEI message ===========\n");
47}
48
49Void  xTraceSEIMessageType(SEI::PayloadType payloadType)
50{
51  switch (payloadType)
52  {
53  case SEI::DECODED_PICTURE_HASH:
54    fprintf( g_hTrace, "=========== Decoded picture hash SEI message ===========\n");
55    break;
56  case SEI::USER_DATA_UNREGISTERED:
57    fprintf( g_hTrace, "=========== User Data Unregistered SEI message ===========\n");
58    break;
59  case SEI::ACTIVE_PARAMETER_SETS:
60    fprintf( g_hTrace, "=========== Active Parameter sets SEI message ===========\n");
61    break;
62  case SEI::BUFFERING_PERIOD:
63    fprintf( g_hTrace, "=========== Buffering period SEI message ===========\n");
64    break;
65  case SEI::PICTURE_TIMING:
66    fprintf( g_hTrace, "=========== Picture timing SEI message ===========\n");
67    break;
68  case SEI::RECOVERY_POINT:
69    fprintf( g_hTrace, "=========== Recovery point SEI message ===========\n");
70    break;
71  case SEI::FRAME_PACKING:
72    fprintf( g_hTrace, "=========== Frame Packing Arrangement SEI message ===========\n");
73    break;
74  case SEI::DISPLAY_ORIENTATION:
75    fprintf( g_hTrace, "=========== Display Orientation SEI message ===========\n");
76    break;
77  case SEI::TEMPORAL_LEVEL0_INDEX:
78    fprintf( g_hTrace, "=========== Temporal Level Zero Index SEI message ===========\n");
79    break;
80  case SEI::REGION_REFRESH_INFO:
81    fprintf( g_hTrace, "=========== Gradual Decoding Refresh Information SEI message ===========\n");
82    break;
83  case SEI::DECODING_UNIT_INFO:
84    fprintf( g_hTrace, "=========== Decoding Unit Information SEI message ===========\n");
85    break;
86  case SEI::TONE_MAPPING_INFO:
87    fprintf( g_hTrace, "=========== Tone Mapping Info SEI message ===========\n");
88    break;
89#if M0043_LAYERS_PRESENT_SEI
90  case SEI::LAYERS_PRESENT:
91    fprintf( g_hTrace, "=========== Layers Present SEI message ===========\n");
92    break;
93#endif
94  case SEI::SOP_DESCRIPTION:
95    fprintf( g_hTrace, "=========== SOP Description SEI message ===========\n");
96    break;
97  case SEI::SCALABLE_NESTING:
98    fprintf( g_hTrace, "=========== Scalable Nesting SEI message ===========\n");
99    break;
100  default:
101    fprintf( g_hTrace, "=========== Unknown SEI message ===========\n");
102    break;
103  }
104}
105#endif
106
107void SEIWriter::xWriteSEIpayloadData(TComBitIf& bs, const SEI& sei, TComSPS *sps)
108{
109  switch (sei.payloadType())
110  {
111  case SEI::USER_DATA_UNREGISTERED:
112    xWriteSEIuserDataUnregistered(*static_cast<const SEIuserDataUnregistered*>(&sei));
113    break;
114  case SEI::ACTIVE_PARAMETER_SETS:
115    xWriteSEIActiveParameterSets(*static_cast<const SEIActiveParameterSets*>(& sei)); 
116    break; 
117  case SEI::DECODING_UNIT_INFO:
118    xWriteSEIDecodingUnitInfo(*static_cast<const SEIDecodingUnitInfo*>(& sei), sps);
119    break;
120  case SEI::DECODED_PICTURE_HASH:
121    xWriteSEIDecodedPictureHash(*static_cast<const SEIDecodedPictureHash*>(&sei));
122    break;
123  case SEI::BUFFERING_PERIOD:
124    xWriteSEIBufferingPeriod(*static_cast<const SEIBufferingPeriod*>(&sei), sps);
125    break;
126  case SEI::PICTURE_TIMING:
127    xWriteSEIPictureTiming(*static_cast<const SEIPictureTiming*>(&sei), sps);
128    break;
129  case SEI::RECOVERY_POINT:
130    xWriteSEIRecoveryPoint(*static_cast<const SEIRecoveryPoint*>(&sei));
131    break;
132  case SEI::FRAME_PACKING:
133    xWriteSEIFramePacking(*static_cast<const SEIFramePacking*>(&sei));
134    break;
135  case SEI::DISPLAY_ORIENTATION:
136    xWriteSEIDisplayOrientation(*static_cast<const SEIDisplayOrientation*>(&sei));
137    break;
138  case SEI::TEMPORAL_LEVEL0_INDEX:
139    xWriteSEITemporalLevel0Index(*static_cast<const SEITemporalLevel0Index*>(&sei));
140    break;
141  case SEI::REGION_REFRESH_INFO:
142    xWriteSEIGradualDecodingRefreshInfo(*static_cast<const SEIGradualDecodingRefreshInfo*>(&sei));
143    break;
144  case SEI::TONE_MAPPING_INFO:
145    xWriteSEIToneMappingInfo(*static_cast<const SEIToneMappingInfo*>(&sei));
146    break;
147#if M0043_LAYERS_PRESENT_SEI
148  case SEI::LAYERS_PRESENT:
149    xWriteSEILayersPresent(*static_cast<const SEILayersPresent*>(&sei));
150    break;
151#endif
152  case SEI::SOP_DESCRIPTION:
153    xWriteSEISOPDescription(*static_cast<const SEISOPDescription*>(&sei));
154    break;
155  case SEI::SCALABLE_NESTING:
156    xWriteSEIScalableNesting(bs, *static_cast<const SEIScalableNesting*>(&sei), sps);
157    break;
158  default:
159    assert(!"Unhandled SEI message");
160  }
161}
162
163/**
164 * marshal a single SEI message sei, storing the marshalled representation
165 * in bitstream bs.
166 */
167Void SEIWriter::writeSEImessage(TComBitIf& bs, const SEI& sei, TComSPS *sps)
168{
169  /* calculate how large the payload data is */
170  /* TODO: this would be far nicer if it used vectored buffers */
171  TComBitCounter bs_count;
172  bs_count.resetBits();
173  setBitstream(&bs_count);
174
175
176#if ENC_DEC_TRACE
177  Bool traceEnable = g_HLSTraceEnable;
178  g_HLSTraceEnable = false;
179#endif
180  xWriteSEIpayloadData(bs_count, sei, sps);
181#if ENC_DEC_TRACE
182  g_HLSTraceEnable = traceEnable;
183#endif
184
185  UInt payload_data_num_bits = bs_count.getNumberOfWrittenBits();
186  assert(0 == payload_data_num_bits % 8);
187
188  setBitstream(&bs);
189
190#if ENC_DEC_TRACE
191  if (g_HLSTraceEnable)
192  xTraceSEIHeader();
193#endif
194
195  UInt payloadType = sei.payloadType();
196  for (; payloadType >= 0xff; payloadType -= 0xff)
197  {
198    WRITE_CODE(0xff, 8, "payload_type");
199  }
200  WRITE_CODE(payloadType, 8, "payload_type");
201
202  UInt payloadSize = payload_data_num_bits/8;
203  for (; payloadSize >= 0xff; payloadSize -= 0xff)
204  {
205    WRITE_CODE(0xff, 8, "payload_size");
206  }
207  WRITE_CODE(payloadSize, 8, "payload_size");
208
209  /* payloadData */
210#if ENC_DEC_TRACE
211  if (g_HLSTraceEnable)
212  xTraceSEIMessageType(sei.payloadType());
213#endif
214
215  xWriteSEIpayloadData(bs, sei, sps);
216}
217
218/**
219 * marshal a user_data_unregistered SEI message sei, storing the marshalled
220 * representation in bitstream bs.
221 */
222Void SEIWriter::xWriteSEIuserDataUnregistered(const SEIuserDataUnregistered &sei)
223{
224  for (UInt i = 0; i < 16; i++)
225  {
226    WRITE_CODE(sei.uuid_iso_iec_11578[i], 8 , "sei.uuid_iso_iec_11578[i]");
227  }
228
229  for (UInt i = 0; i < sei.userDataLength; i++)
230  {
231    WRITE_CODE(sei.userData[i], 8 , "user_data");
232  }
233}
234
235/**
236 * marshal a decoded picture hash SEI message, storing the marshalled
237 * representation in bitstream bs.
238 */
239Void SEIWriter::xWriteSEIDecodedPictureHash(const SEIDecodedPictureHash& sei)
240{
241  UInt val;
242
243  WRITE_CODE(sei.method, 8, "hash_type");
244
245  for(Int yuvIdx = 0; yuvIdx < 3; yuvIdx++)
246  {
247    if(sei.method == SEIDecodedPictureHash::MD5)
248    {
249      for (UInt i = 0; i < 16; i++)
250      {
251        WRITE_CODE(sei.digest[yuvIdx][i], 8, "picture_md5");
252      }
253    }
254    else if(sei.method == SEIDecodedPictureHash::CRC)
255    {
256      val = (sei.digest[yuvIdx][0] << 8)  + sei.digest[yuvIdx][1];
257      WRITE_CODE(val, 16, "picture_crc");
258    }
259    else if(sei.method == SEIDecodedPictureHash::CHECKSUM)
260    {
261      val = (sei.digest[yuvIdx][0] << 24)  + (sei.digest[yuvIdx][1] << 16) + (sei.digest[yuvIdx][2] << 8) + sei.digest[yuvIdx][3];
262      WRITE_CODE(val, 32, "picture_checksum");
263    }
264  }
265}
266
267Void SEIWriter::xWriteSEIActiveParameterSets(const SEIActiveParameterSets& sei)
268{
269  WRITE_CODE(sei.activeVPSId,     4, "active_vps_id");
270  WRITE_FLAG(sei.m_fullRandomAccessFlag, "full_random_access_flag");
271  WRITE_FLAG(sei.m_noParamSetUpdateFlag, "no_param_set_update_flag");
272  WRITE_UVLC(sei.numSpsIdsMinus1,    "num_sps_ids_minus1");
273
274  assert (sei.activeSeqParamSetId.size() == (sei.numSpsIdsMinus1 + 1));
275
276  for (Int i = 0; i < sei.activeSeqParamSetId.size(); i++)
277  {
278    WRITE_UVLC(sei.activeSeqParamSetId[i], "active_seq_param_set_id"); 
279  }
280
281  UInt uiBits = m_pcBitIf->getNumberOfWrittenBits();
282  UInt uiAlignedBits = ( 8 - (uiBits&7) ) % 8; 
283  if(uiAlignedBits) 
284  {
285    WRITE_FLAG(1, "alignment_bit" );
286    uiAlignedBits--; 
287    while(uiAlignedBits--)
288    {
289      WRITE_FLAG(0, "alignment_bit" );
290    }
291  }
292}
293
294Void SEIWriter::xWriteSEIDecodingUnitInfo(const SEIDecodingUnitInfo& sei, TComSPS *sps)
295{
296  TComVUI *vui = sps->getVuiParameters();
297  WRITE_UVLC(sei.m_decodingUnitIdx, "decoding_unit_idx");
298  if(vui->getHrdParameters()->getSubPicCpbParamsInPicTimingSEIFlag())
299  {
300    WRITE_CODE( sei.m_duSptCpbRemovalDelay, (vui->getHrdParameters()->getDuCpbRemovalDelayLengthMinus1() + 1), "du_spt_cpb_removal_delay");
301  }
302  WRITE_FLAG( sei.m_dpbOutputDuDelayPresentFlag, "dpb_output_du_delay_present_flag");
303  if(sei.m_dpbOutputDuDelayPresentFlag)
304  {
305    WRITE_CODE(sei.m_picSptDpbOutputDuDelay, vui->getHrdParameters()->getDpbOutputDelayDuLengthMinus1() + 1, "pic_spt_dpb_output_du_delay");
306  }
307  xWriteByteAlign();
308}
309
310Void SEIWriter::xWriteSEIBufferingPeriod(const SEIBufferingPeriod& sei, TComSPS *sps)
311{
312  Int i, nalOrVcl;
313  TComVUI *vui = sps->getVuiParameters();
314  TComHRD *hrd = vui->getHrdParameters();
315
316  WRITE_UVLC( sei.m_bpSeqParameterSetId, "bp_seq_parameter_set_id" );
317  if( !hrd->getSubPicCpbParamsPresentFlag() )
318  {
319    WRITE_FLAG( sei.m_rapCpbParamsPresentFlag, "rap_cpb_params_present_flag" );
320  }
321  WRITE_FLAG( sei.m_concatenationFlag, "concatenation_flag");
322  WRITE_CODE( sei.m_auCpbRemovalDelayDelta - 1, ( hrd->getCpbRemovalDelayLengthMinus1() + 1 ), "au_cpb_removal_delay_delta_minus1" );
323  if( sei.m_rapCpbParamsPresentFlag )
324  {
325    WRITE_CODE( sei.m_cpbDelayOffset, hrd->getCpbRemovalDelayLengthMinus1() + 1, "cpb_delay_offset" );
326    WRITE_CODE( sei.m_dpbDelayOffset, hrd->getDpbOutputDelayLengthMinus1()  + 1, "dpb_delay_offset" );
327  }
328  for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
329  {
330    if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
331        ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
332    {
333      for( i = 0; i < ( hrd->getCpbCntMinus1( 0 ) + 1 ); i ++ )
334      {
335        WRITE_CODE( sei.m_initialCpbRemovalDelay[i][nalOrVcl],( hrd->getInitialCpbRemovalDelayLengthMinus1() + 1 ) ,           "initial_cpb_removal_delay" );
336        WRITE_CODE( sei.m_initialCpbRemovalDelayOffset[i][nalOrVcl],( hrd->getInitialCpbRemovalDelayLengthMinus1() + 1 ),      "initial_cpb_removal_delay_offset" );
337        if( hrd->getSubPicCpbParamsPresentFlag() || sei.m_rapCpbParamsPresentFlag )
338        {
339          WRITE_CODE( sei.m_initialAltCpbRemovalDelay[i][nalOrVcl], ( hrd->getInitialCpbRemovalDelayLengthMinus1() + 1 ) ,     "initial_alt_cpb_removal_delay" );
340          WRITE_CODE( sei.m_initialAltCpbRemovalDelayOffset[i][nalOrVcl], ( hrd->getInitialCpbRemovalDelayLengthMinus1() + 1 ),"initial_alt_cpb_removal_delay_offset" );
341        }
342      }
343    }
344  }
345  xWriteByteAlign();
346}
347Void SEIWriter::xWriteSEIPictureTiming(const SEIPictureTiming& sei,  TComSPS *sps)
348{
349  Int i;
350  TComVUI *vui = sps->getVuiParameters();
351  TComHRD *hrd = vui->getHrdParameters();
352
353  if( vui->getFrameFieldInfoPresentFlag() )
354  {
355    WRITE_CODE( sei.m_picStruct, 4,              "pic_struct" );
356    WRITE_CODE( sei.m_sourceScanType, 2,         "source_scan_type" );
357    WRITE_FLAG( sei.m_duplicateFlag ? 1 : 0,     "duplicate_flag" );
358  }
359
360  if( hrd->getCpbDpbDelaysPresentFlag() )
361  {
362    WRITE_CODE( sei.m_auCpbRemovalDelay - 1, ( hrd->getCpbRemovalDelayLengthMinus1() + 1 ),                                         "au_cpb_removal_delay_minus1" );
363    WRITE_CODE( sei.m_picDpbOutputDelay, ( hrd->getDpbOutputDelayLengthMinus1() + 1 ),                                          "pic_dpb_output_delay" );
364    if(hrd->getSubPicCpbParamsPresentFlag())
365    {
366      WRITE_CODE(sei.m_picDpbOutputDuDelay, hrd->getDpbOutputDelayDuLengthMinus1()+1, "pic_dpb_output_du_delay" );
367    }
368    if( hrd->getSubPicCpbParamsPresentFlag() && hrd->getSubPicCpbParamsInPicTimingSEIFlag() )
369    {
370      WRITE_UVLC( sei.m_numDecodingUnitsMinus1,     "num_decoding_units_minus1" );
371      WRITE_FLAG( sei.m_duCommonCpbRemovalDelayFlag, "du_common_cpb_removal_delay_flag" );
372      if( sei.m_duCommonCpbRemovalDelayFlag )
373      {
374        WRITE_CODE( sei.m_duCommonCpbRemovalDelayMinus1, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ),                       "du_common_cpb_removal_delay_minus1" );
375      }
376      for( i = 0; i <= sei.m_numDecodingUnitsMinus1; i ++ )
377      {
378        WRITE_UVLC( sei.m_numNalusInDuMinus1[ i ],  "num_nalus_in_du_minus1");
379        if( ( !sei.m_duCommonCpbRemovalDelayFlag ) && ( i < sei.m_numDecodingUnitsMinus1 ) )
380        {
381          WRITE_CODE( sei.m_duCpbRemovalDelayMinus1[ i ], ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ),                        "du_cpb_removal_delay_minus1" );
382        }
383      }
384    }
385  }
386  xWriteByteAlign();
387}
388Void SEIWriter::xWriteSEIRecoveryPoint(const SEIRecoveryPoint& sei)
389{
390  WRITE_SVLC( sei.m_recoveryPocCnt,    "recovery_poc_cnt"    );
391  WRITE_FLAG( sei.m_exactMatchingFlag, "exact_matching_flag" );
392  WRITE_FLAG( sei.m_brokenLinkFlag,    "broken_link_flag"    );
393  xWriteByteAlign();
394}
395Void SEIWriter::xWriteSEIFramePacking(const SEIFramePacking& sei)
396{
397  WRITE_UVLC( sei.m_arrangementId,                  "frame_packing_arrangement_id" );
398  WRITE_FLAG( sei.m_arrangementCancelFlag,          "frame_packing_arrangement_cancel_flag" );
399
400  if( sei.m_arrangementCancelFlag == 0 ) {
401    WRITE_CODE( sei.m_arrangementType, 7,           "frame_packing_arrangement_type" );
402
403    WRITE_FLAG( sei.m_quincunxSamplingFlag,         "quincunx_sampling_flag" );
404    WRITE_CODE( sei.m_contentInterpretationType, 6, "content_interpretation_type" );
405    WRITE_FLAG( sei.m_spatialFlippingFlag,          "spatial_flipping_flag" );
406    WRITE_FLAG( sei.m_frame0FlippedFlag,            "frame0_flipped_flag" );
407    WRITE_FLAG( sei.m_fieldViewsFlag,               "field_views_flag" );
408    WRITE_FLAG( sei.m_currentFrameIsFrame0Flag,     "current_frame_is_frame0_flag" );
409
410    WRITE_FLAG( sei.m_frame0SelfContainedFlag,      "frame0_self_contained_flag" );
411    WRITE_FLAG( sei.m_frame1SelfContainedFlag,      "frame1_self_contained_flag" );
412
413    if(sei.m_quincunxSamplingFlag == 0 && sei.m_arrangementType != 5)
414    {
415      WRITE_CODE( sei.m_frame0GridPositionX, 4,     "frame0_grid_position_x" );
416      WRITE_CODE( sei.m_frame0GridPositionY, 4,     "frame0_grid_position_y" );
417      WRITE_CODE( sei.m_frame1GridPositionX, 4,     "frame1_grid_position_x" );
418      WRITE_CODE( sei.m_frame1GridPositionY, 4,     "frame1_grid_position_y" );
419    }
420
421    WRITE_CODE( sei.m_arrangementReservedByte, 8,   "frame_packing_arrangement_reserved_byte" );
422    WRITE_FLAG( sei.m_arrangementPersistenceFlag,   "frame_packing_arrangement_persistence_flag" );
423  }
424
425  WRITE_FLAG( sei.m_upsampledAspectRatio,           "upsampled_aspect_ratio" );
426
427  xWriteByteAlign();
428}
429
430Void SEIWriter::xWriteSEIToneMappingInfo(const SEIToneMappingInfo& sei)
431{
432  Int i;
433  WRITE_UVLC( sei.m_toneMapId,                    "tone_map_id" );
434  WRITE_FLAG( sei.m_toneMapCancelFlag,            "tone_map_cancel_flag" );
435  if( !sei.m_toneMapCancelFlag ) 
436  {
437    WRITE_FLAG( sei.m_toneMapPersistenceFlag,     "tone_map_persistence_flag" );
438    WRITE_CODE( sei.m_codedDataBitDepth,    8,    "coded_data_bit_depth" );
439    WRITE_CODE( sei.m_targetBitDepth,       8,    "target_bit_depth" );
440    WRITE_UVLC( sei.m_modelId,                    "model_id" );
441    switch(sei.m_modelId)
442    {
443    case 0:
444      {
445        WRITE_CODE( sei.m_minValue,  32,        "min_value" );
446        WRITE_CODE( sei.m_maxValue, 32,         "max_value" );
447        break;
448      }
449    case 1:
450      {
451        WRITE_CODE( sei.m_sigmoidMidpoint, 32,  "sigmoid_midpoint" );
452        WRITE_CODE( sei.m_sigmoidWidth,    32,  "sigmoid_width"    );
453        break;
454      }
455    case 2:
456      {
457        UInt num = 1u << sei.m_targetBitDepth;
458        for(i = 0; i < num; i++)
459        {
460          WRITE_CODE( sei.m_startOfCodedInterval[i], (( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3,  "start_of_coded_interval" );
461        }
462        break;
463      }
464    case 3:
465      {
466        WRITE_CODE( sei.m_numPivots, 16,          "num_pivots" );
467        for(i = 0; i < sei.m_numPivots; i++ )
468        {
469          WRITE_CODE( sei.m_codedPivotValue[i], (( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3,       "coded_pivot_value" );
470          WRITE_CODE( sei.m_targetPivotValue[i], (( sei.m_targetBitDepth + 7 ) >> 3 ) << 3,         "target_pivot_value");
471        }
472        break;
473      }
474    case 4:
475      {
476        WRITE_CODE( sei.m_cameraIsoSpeedIdc,    8,    "camera_iso_speed_idc" );
477        if( sei.m_cameraIsoSpeedIdc == 255) //Extended_ISO
478        {
479          WRITE_CODE( sei.m_cameraIsoSpeedValue,    32,    "camera_iso_speed_value" );
480        }
481        WRITE_FLAG( sei.m_exposureCompensationValueSignFlag,           "exposure_compensation_value_sign_flag" );
482        WRITE_CODE( sei.m_exposureCompensationValueNumerator,     16,  "exposure_compensation_value_numerator" );
483        WRITE_CODE( sei.m_exposureCompensationValueDenomIdc,      16,  "exposure_compensation_value_denom_idc" );
484        WRITE_CODE( sei.m_refScreenLuminanceWhite,                32,  "ref_screen_luminance_white" );
485        WRITE_CODE( sei.m_extendedRangeWhiteLevel,                32,  "extended_range_white_level" );
486        WRITE_CODE( sei.m_nominalBlackLevelLumaCodeValue,         16,  "nominal_black_level_luma_code_value" );
487        WRITE_CODE( sei.m_nominalWhiteLevelLumaCodeValue,         16,  "nominal_white_level_luma_code_value" );
488        WRITE_CODE( sei.m_extendedWhiteLevelLumaCodeValue,        16,  "extended_white_level_luma_code_value" );
489        break;
490      }
491    default:
492      {
493        assert(!"Undefined SEIToneMapModelId");
494        break;
495      }
496    }//switch m_modelId
497  }//if(!sei.m_toneMapCancelFlag)
498
499  xWriteByteAlign();
500}
501
502Void SEIWriter::xWriteSEIDisplayOrientation(const SEIDisplayOrientation &sei)
503{
504  WRITE_FLAG( sei.cancelFlag,           "display_orientation_cancel_flag" );
505  if( !sei.cancelFlag )
506  {
507    WRITE_FLAG( sei.horFlip,                   "hor_flip" );
508    WRITE_FLAG( sei.verFlip,                   "ver_flip" );
509    WRITE_CODE( sei.anticlockwiseRotation, 16, "anticlockwise_rotation" );
510    WRITE_FLAG( sei.persistenceFlag,          "display_orientation_persistence_flag" );
511  }
512  xWriteByteAlign();
513}
514
515Void SEIWriter::xWriteSEITemporalLevel0Index(const SEITemporalLevel0Index &sei)
516{
517  WRITE_CODE( sei.tl0Idx, 8 , "tl0_idx" );
518  WRITE_CODE( sei.rapIdx, 8 , "rap_idx" );
519  xWriteByteAlign();
520}
521
522Void SEIWriter::xWriteSEIGradualDecodingRefreshInfo(const SEIGradualDecodingRefreshInfo &sei)
523{
524  WRITE_FLAG( sei.m_gdrForegroundFlag, "gdr_foreground_flag");
525  xWriteByteAlign();
526}
527
528#if M0043_LAYERS_PRESENT_SEI
529Void SEIWriter::xWriteSEILayersPresent(const SEILayersPresent& sei)
530{
531  WRITE_UVLC( sei.m_activeVpsId,           "lp_sei_active_vps_id" );
532  for (UInt i = 0; i < sei.m_vpsMaxLayers; i++)
533  {
534    WRITE_FLAG( sei.m_layerPresentFlag[i], "layer_present_flag"   );
535  }
536  xWriteByteAlign();
537}
538#endif
539
540Void SEIWriter::xWriteSEISOPDescription(const SEISOPDescription& sei)
541{
542  WRITE_UVLC( sei.m_sopSeqParameterSetId,           "sop_seq_parameter_set_id"               );
543  WRITE_UVLC( sei.m_numPicsInSopMinus1,             "num_pics_in_sop_minus1"               );
544  for (UInt i = 0; i <= sei.m_numPicsInSopMinus1; i++)
545  {
546    WRITE_CODE( sei.m_sopDescVclNaluType[i], 6, "sop_desc_vcl_nalu_type" );
547    WRITE_CODE( sei.m_sopDescTemporalId[i],  3, "sop_desc_temporal_id" );
548    if (sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_W_RADL && sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_N_LP)
549    {
550      WRITE_UVLC( sei.m_sopDescStRpsIdx[i],           "sop_desc_st_rps_idx"               );
551    }
552    if (i > 0)
553    {
554      WRITE_SVLC( sei.m_sopDescPocDelta[i],           "sop_desc_poc_delta"               );
555    }
556  }
557
558  xWriteByteAlign();
559}
560
561Void SEIWriter::xWriteSEIScalableNesting(TComBitIf& bs, const SEIScalableNesting& sei, TComSPS *sps)
562{
563  WRITE_FLAG( sei.m_bitStreamSubsetFlag,             "bitstream_subset_flag"         );
564  WRITE_FLAG( sei.m_nestingOpFlag,                   "nesting_op_flag      "         );
565  if (sei.m_nestingOpFlag)
566  {
567    WRITE_FLAG( sei.m_defaultOpFlag,                 "default_op_flag"               );
568    WRITE_UVLC( sei.m_nestingNumOpsMinus1,           "nesting_num_ops"               );
569    for (UInt i = (sei.m_defaultOpFlag ? 1 : 0); i <= sei.m_nestingNumOpsMinus1; i++)
570    {
571      WRITE_CODE( sei.m_nestingNoOpMaxTemporalIdPlus1, 3, "nesting_no_op_max_temporal_id" );
572      WRITE_CODE( sei.m_nestingMaxTemporalIdPlus1[i], 3,  "nesting_max_temporal_id"       );
573      WRITE_UVLC( sei.m_nestingOpIdx[i],                  "nesting_op_idx"                );
574    }
575  }
576  else
577  {
578    WRITE_FLAG( sei.m_allLayersFlag,                      "all_layers_flag"               );
579    if (!sei.m_allLayersFlag)
580    {
581      WRITE_CODE( sei.m_nestingNoOpMaxTemporalIdPlus1, 3, "nesting_no_op_max_temporal_id" );
582      WRITE_UVLC( sei.m_nestingNumLayersMinus1,           "nesting_num_layers"            );
583      for (UInt i = 0; i <= sei.m_nestingNumLayersMinus1; i++)
584      {
585        WRITE_CODE( sei.m_nestingLayerId[i], 6,           "nesting_layer_id"              );
586      }
587    }
588  }
589 
590  // byte alignment
591  while ( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 )
592  {
593    WRITE_FLAG( 0, "nesting_zero_bit" );
594  }
595
596  // write nested SEI messages
597  for (SEIMessages::const_iterator it = sei.m_nestedSEIs.begin(); it != sei.m_nestedSEIs.end(); it++)
598  {
599    writeSEImessage(bs, *(*it), sps);
600  }
601}
602
603Void SEIWriter::xWriteByteAlign()
604{
605  if( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0)
606  {
607    WRITE_FLAG( 1, "bit_equal_to_one" );
608    while( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 )
609    {
610      WRITE_FLAG( 0, "bit_equal_to_zero" );
611    }
612  }
613};
614
615//! \}
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