source: 3DVCSoftware/branches/HTM-DEV-0.3-dev2/source/Lib/TLibEncoder/SEIwrite.cpp @ 542

Last change on this file since 542 was 537, checked in by tech, 11 years ago

Update to HM 11.0.
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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  case SEI::SOP_DESCRIPTION:
90    fprintf( g_hTrace, "=========== SOP Description SEI message ===========\n");
91    break;
92  case SEI::SCALABLE_NESTING:
93    fprintf( g_hTrace, "=========== Scalable Nesting SEI message ===========\n");
94    break;
95  default:
96    fprintf( g_hTrace, "=========== Unknown SEI message ===========\n");
97    break;
98  }
99}
100#endif
101
102void SEIWriter::xWriteSEIpayloadData(TComBitIf& bs, const SEI& sei, TComSPS *sps)
103{
104  switch (sei.payloadType())
105  {
106  case SEI::USER_DATA_UNREGISTERED:
107    xWriteSEIuserDataUnregistered(*static_cast<const SEIuserDataUnregistered*>(&sei));
108    break;
109  case SEI::ACTIVE_PARAMETER_SETS:
110    xWriteSEIActiveParameterSets(*static_cast<const SEIActiveParameterSets*>(& sei)); 
111    break; 
112  case SEI::DECODING_UNIT_INFO:
113    xWriteSEIDecodingUnitInfo(*static_cast<const SEIDecodingUnitInfo*>(& sei), sps);
114    break;
115  case SEI::DECODED_PICTURE_HASH:
116    xWriteSEIDecodedPictureHash(*static_cast<const SEIDecodedPictureHash*>(&sei));
117    break;
118  case SEI::BUFFERING_PERIOD:
119    xWriteSEIBufferingPeriod(*static_cast<const SEIBufferingPeriod*>(&sei), sps);
120    break;
121  case SEI::PICTURE_TIMING:
122    xWriteSEIPictureTiming(*static_cast<const SEIPictureTiming*>(&sei), sps);
123    break;
124  case SEI::RECOVERY_POINT:
125    xWriteSEIRecoveryPoint(*static_cast<const SEIRecoveryPoint*>(&sei));
126    break;
127  case SEI::FRAME_PACKING:
128    xWriteSEIFramePacking(*static_cast<const SEIFramePacking*>(&sei));
129    break;
130  case SEI::DISPLAY_ORIENTATION:
131    xWriteSEIDisplayOrientation(*static_cast<const SEIDisplayOrientation*>(&sei));
132    break;
133  case SEI::TEMPORAL_LEVEL0_INDEX:
134    xWriteSEITemporalLevel0Index(*static_cast<const SEITemporalLevel0Index*>(&sei));
135    break;
136  case SEI::REGION_REFRESH_INFO:
137    xWriteSEIGradualDecodingRefreshInfo(*static_cast<const SEIGradualDecodingRefreshInfo*>(&sei));
138    break;
139  case SEI::TONE_MAPPING_INFO:
140    xWriteSEIToneMappingInfo(*static_cast<const SEIToneMappingInfo*>(&sei));
141    break;
142  case SEI::SOP_DESCRIPTION:
143    xWriteSEISOPDescription(*static_cast<const SEISOPDescription*>(&sei));
144    break;
145  case SEI::SCALABLE_NESTING:
146    xWriteSEIScalableNesting(bs, *static_cast<const SEIScalableNesting*>(&sei), sps);
147    break;
148  default:
149    assert(!"Unhandled SEI message");
150  }
151}
152
153/**
154 * marshal a single SEI message sei, storing the marshalled representation
155 * in bitstream bs.
156 */
157Void SEIWriter::writeSEImessage(TComBitIf& bs, const SEI& sei, TComSPS *sps)
158{
159  /* calculate how large the payload data is */
160  /* TODO: this would be far nicer if it used vectored buffers */
161  TComBitCounter bs_count;
162  bs_count.resetBits();
163  setBitstream(&bs_count);
164
165
166#if ENC_DEC_TRACE
167  Bool traceEnable = g_HLSTraceEnable;
168  g_HLSTraceEnable = false;
169#endif
170  xWriteSEIpayloadData(bs_count, sei, sps);
171#if ENC_DEC_TRACE
172  g_HLSTraceEnable = traceEnable;
173#endif
174
175  UInt payload_data_num_bits = bs_count.getNumberOfWrittenBits();
176  assert(0 == payload_data_num_bits % 8);
177
178  setBitstream(&bs);
179
180#if ENC_DEC_TRACE
181  if (g_HLSTraceEnable)
182  xTraceSEIHeader();
183#endif
184
185  UInt payloadType = sei.payloadType();
186  for (; payloadType >= 0xff; payloadType -= 0xff)
187  {
188    WRITE_CODE(0xff, 8, "payload_type");
189  }
190  WRITE_CODE(payloadType, 8, "payload_type");
191
192  UInt payloadSize = payload_data_num_bits/8;
193  for (; payloadSize >= 0xff; payloadSize -= 0xff)
194  {
195    WRITE_CODE(0xff, 8, "payload_size");
196  }
197  WRITE_CODE(payloadSize, 8, "payload_size");
198
199  /* payloadData */
200#if ENC_DEC_TRACE
201  if (g_HLSTraceEnable)
202  xTraceSEIMessageType(sei.payloadType());
203#endif
204
205  xWriteSEIpayloadData(bs, sei, sps);
206}
207
208/**
209 * marshal a user_data_unregistered SEI message sei, storing the marshalled
210 * representation in bitstream bs.
211 */
212Void SEIWriter::xWriteSEIuserDataUnregistered(const SEIuserDataUnregistered &sei)
213{
214  for (UInt i = 0; i < 16; i++)
215  {
216    WRITE_CODE(sei.uuid_iso_iec_11578[i], 8 , "sei.uuid_iso_iec_11578[i]");
217  }
218
219  for (UInt i = 0; i < sei.userDataLength; i++)
220  {
221    WRITE_CODE(sei.userData[i], 8 , "user_data");
222  }
223}
224
225/**
226 * marshal a decoded picture hash SEI message, storing the marshalled
227 * representation in bitstream bs.
228 */
229Void SEIWriter::xWriteSEIDecodedPictureHash(const SEIDecodedPictureHash& sei)
230{
231  UInt val;
232
233  WRITE_CODE(sei.method, 8, "hash_type");
234
235  for(Int yuvIdx = 0; yuvIdx < 3; yuvIdx++)
236  {
237    if(sei.method == SEIDecodedPictureHash::MD5)
238    {
239      for (UInt i = 0; i < 16; i++)
240      {
241        WRITE_CODE(sei.digest[yuvIdx][i], 8, "picture_md5");
242      }
243    }
244    else if(sei.method == SEIDecodedPictureHash::CRC)
245    {
246      val = (sei.digest[yuvIdx][0] << 8)  + sei.digest[yuvIdx][1];
247      WRITE_CODE(val, 16, "picture_crc");
248    }
249    else if(sei.method == SEIDecodedPictureHash::CHECKSUM)
250    {
251      val = (sei.digest[yuvIdx][0] << 24)  + (sei.digest[yuvIdx][1] << 16) + (sei.digest[yuvIdx][2] << 8) + sei.digest[yuvIdx][3];
252      WRITE_CODE(val, 32, "picture_checksum");
253    }
254  }
255}
256
257Void SEIWriter::xWriteSEIActiveParameterSets(const SEIActiveParameterSets& sei)
258{
259  WRITE_CODE(sei.activeVPSId,     4, "active_vps_id");
260  WRITE_FLAG(sei.m_fullRandomAccessFlag, "full_random_access_flag");
261  WRITE_FLAG(sei.m_noParamSetUpdateFlag, "no_param_set_update_flag");
262  WRITE_UVLC(sei.numSpsIdsMinus1,    "num_sps_ids_minus1");
263
264  assert (sei.activeSeqParamSetId.size() == (sei.numSpsIdsMinus1 + 1));
265
266  for (Int i = 0; i < sei.activeSeqParamSetId.size(); i++)
267  {
268    WRITE_UVLC(sei.activeSeqParamSetId[i], "active_seq_param_set_id"); 
269  }
270
271  UInt uiBits = m_pcBitIf->getNumberOfWrittenBits();
272  UInt uiAlignedBits = ( 8 - (uiBits&7) ) % 8; 
273  if(uiAlignedBits) 
274  {
275    WRITE_FLAG(1, "alignment_bit" );
276    uiAlignedBits--; 
277    while(uiAlignedBits--)
278    {
279      WRITE_FLAG(0, "alignment_bit" );
280    }
281  }
282}
283
284Void SEIWriter::xWriteSEIDecodingUnitInfo(const SEIDecodingUnitInfo& sei, TComSPS *sps)
285{
286  TComVUI *vui = sps->getVuiParameters();
287  WRITE_UVLC(sei.m_decodingUnitIdx, "decoding_unit_idx");
288  if(vui->getHrdParameters()->getSubPicCpbParamsInPicTimingSEIFlag())
289  {
290    WRITE_CODE( sei.m_duSptCpbRemovalDelay, (vui->getHrdParameters()->getDuCpbRemovalDelayLengthMinus1() + 1), "du_spt_cpb_removal_delay");
291  }
292  WRITE_FLAG( sei.m_dpbOutputDuDelayPresentFlag, "dpb_output_du_delay_present_flag");
293  if(sei.m_dpbOutputDuDelayPresentFlag)
294  {
295    WRITE_CODE(sei.m_picSptDpbOutputDuDelay, vui->getHrdParameters()->getDpbOutputDelayDuLengthMinus1() + 1, "pic_spt_dpb_output_du_delay");
296  }
297  xWriteByteAlign();
298}
299
300Void SEIWriter::xWriteSEIBufferingPeriod(const SEIBufferingPeriod& sei, TComSPS *sps)
301{
302  Int i, nalOrVcl;
303  TComVUI *vui = sps->getVuiParameters();
304  TComHRD *hrd = vui->getHrdParameters();
305
306  WRITE_UVLC( sei.m_bpSeqParameterSetId, "bp_seq_parameter_set_id" );
307  if( !hrd->getSubPicCpbParamsPresentFlag() )
308  {
309    WRITE_FLAG( sei.m_rapCpbParamsPresentFlag, "rap_cpb_params_present_flag" );
310  }
311  WRITE_FLAG( sei.m_concatenationFlag, "concatenation_flag");
312  WRITE_CODE( sei.m_auCpbRemovalDelayDelta - 1, ( hrd->getCpbRemovalDelayLengthMinus1() + 1 ), "au_cpb_removal_delay_delta_minus1" );
313  if( sei.m_rapCpbParamsPresentFlag )
314  {
315    WRITE_CODE( sei.m_cpbDelayOffset, hrd->getCpbRemovalDelayLengthMinus1() + 1, "cpb_delay_offset" );
316    WRITE_CODE( sei.m_dpbDelayOffset, hrd->getDpbOutputDelayLengthMinus1()  + 1, "dpb_delay_offset" );
317  }
318  for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
319  {
320    if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
321        ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
322    {
323      for( i = 0; i < ( hrd->getCpbCntMinus1( 0 ) + 1 ); i ++ )
324      {
325        WRITE_CODE( sei.m_initialCpbRemovalDelay[i][nalOrVcl],( hrd->getInitialCpbRemovalDelayLengthMinus1() + 1 ) ,           "initial_cpb_removal_delay" );
326        WRITE_CODE( sei.m_initialCpbRemovalDelayOffset[i][nalOrVcl],( hrd->getInitialCpbRemovalDelayLengthMinus1() + 1 ),      "initial_cpb_removal_delay_offset" );
327        if( hrd->getSubPicCpbParamsPresentFlag() || sei.m_rapCpbParamsPresentFlag )
328        {
329          WRITE_CODE( sei.m_initialAltCpbRemovalDelay[i][nalOrVcl], ( hrd->getInitialCpbRemovalDelayLengthMinus1() + 1 ) ,     "initial_alt_cpb_removal_delay" );
330          WRITE_CODE( sei.m_initialAltCpbRemovalDelayOffset[i][nalOrVcl], ( hrd->getInitialCpbRemovalDelayLengthMinus1() + 1 ),"initial_alt_cpb_removal_delay_offset" );
331        }
332      }
333    }
334  }
335  xWriteByteAlign();
336}
337Void SEIWriter::xWriteSEIPictureTiming(const SEIPictureTiming& sei,  TComSPS *sps)
338{
339  Int i;
340  TComVUI *vui = sps->getVuiParameters();
341  TComHRD *hrd = vui->getHrdParameters();
342
343  if( vui->getFrameFieldInfoPresentFlag() )
344  {
345    WRITE_CODE( sei.m_picStruct, 4,              "pic_struct" );
346    WRITE_CODE( sei.m_sourceScanType, 2,         "source_scan_type" );
347    WRITE_FLAG( sei.m_duplicateFlag ? 1 : 0,     "duplicate_flag" );
348  }
349
350  if( hrd->getCpbDpbDelaysPresentFlag() )
351  {
352    WRITE_CODE( sei.m_auCpbRemovalDelay - 1, ( hrd->getCpbRemovalDelayLengthMinus1() + 1 ),                                         "au_cpb_removal_delay_minus1" );
353    WRITE_CODE( sei.m_picDpbOutputDelay, ( hrd->getDpbOutputDelayLengthMinus1() + 1 ),                                          "pic_dpb_output_delay" );
354    if(hrd->getSubPicCpbParamsPresentFlag())
355    {
356      WRITE_CODE(sei.m_picDpbOutputDuDelay, hrd->getDpbOutputDelayDuLengthMinus1()+1, "pic_dpb_output_du_delay" );
357    }
358    if( hrd->getSubPicCpbParamsPresentFlag() && hrd->getSubPicCpbParamsInPicTimingSEIFlag() )
359    {
360      WRITE_UVLC( sei.m_numDecodingUnitsMinus1,     "num_decoding_units_minus1" );
361      WRITE_FLAG( sei.m_duCommonCpbRemovalDelayFlag, "du_common_cpb_removal_delay_flag" );
362      if( sei.m_duCommonCpbRemovalDelayFlag )
363      {
364        WRITE_CODE( sei.m_duCommonCpbRemovalDelayMinus1, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ),                       "du_common_cpb_removal_delay_minus1" );
365      }
366      for( i = 0; i <= sei.m_numDecodingUnitsMinus1; i ++ )
367      {
368        WRITE_UVLC( sei.m_numNalusInDuMinus1[ i ],  "num_nalus_in_du_minus1");
369        if( ( !sei.m_duCommonCpbRemovalDelayFlag ) && ( i < sei.m_numDecodingUnitsMinus1 ) )
370        {
371          WRITE_CODE( sei.m_duCpbRemovalDelayMinus1[ i ], ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ),                        "du_cpb_removal_delay_minus1" );
372        }
373      }
374    }
375  }
376  xWriteByteAlign();
377}
378Void SEIWriter::xWriteSEIRecoveryPoint(const SEIRecoveryPoint& sei)
379{
380  WRITE_SVLC( sei.m_recoveryPocCnt,    "recovery_poc_cnt"    );
381  WRITE_FLAG( sei.m_exactMatchingFlag, "exact_matching_flag" );
382  WRITE_FLAG( sei.m_brokenLinkFlag,    "broken_link_flag"    );
383  xWriteByteAlign();
384}
385Void SEIWriter::xWriteSEIFramePacking(const SEIFramePacking& sei)
386{
387  WRITE_UVLC( sei.m_arrangementId,                  "frame_packing_arrangement_id" );
388  WRITE_FLAG( sei.m_arrangementCancelFlag,          "frame_packing_arrangement_cancel_flag" );
389
390  if( sei.m_arrangementCancelFlag == 0 ) {
391    WRITE_CODE( sei.m_arrangementType, 7,           "frame_packing_arrangement_type" );
392
393    WRITE_FLAG( sei.m_quincunxSamplingFlag,         "quincunx_sampling_flag" );
394    WRITE_CODE( sei.m_contentInterpretationType, 6, "content_interpretation_type" );
395    WRITE_FLAG( sei.m_spatialFlippingFlag,          "spatial_flipping_flag" );
396    WRITE_FLAG( sei.m_frame0FlippedFlag,            "frame0_flipped_flag" );
397    WRITE_FLAG( sei.m_fieldViewsFlag,               "field_views_flag" );
398    WRITE_FLAG( sei.m_currentFrameIsFrame0Flag,     "current_frame_is_frame0_flag" );
399
400    WRITE_FLAG( sei.m_frame0SelfContainedFlag,      "frame0_self_contained_flag" );
401    WRITE_FLAG( sei.m_frame1SelfContainedFlag,      "frame1_self_contained_flag" );
402
403    if(sei.m_quincunxSamplingFlag == 0 && sei.m_arrangementType != 5)
404    {
405      WRITE_CODE( sei.m_frame0GridPositionX, 4,     "frame0_grid_position_x" );
406      WRITE_CODE( sei.m_frame0GridPositionY, 4,     "frame0_grid_position_y" );
407      WRITE_CODE( sei.m_frame1GridPositionX, 4,     "frame1_grid_position_x" );
408      WRITE_CODE( sei.m_frame1GridPositionY, 4,     "frame1_grid_position_y" );
409    }
410
411    WRITE_CODE( sei.m_arrangementReservedByte, 8,   "frame_packing_arrangement_reserved_byte" );
412    WRITE_FLAG( sei.m_arrangementPersistenceFlag,   "frame_packing_arrangement_persistence_flag" );
413  }
414
415  WRITE_FLAG( sei.m_upsampledAspectRatio,           "upsampled_aspect_ratio" );
416
417  xWriteByteAlign();
418}
419
420Void SEIWriter::xWriteSEIToneMappingInfo(const SEIToneMappingInfo& sei)
421{
422  Int i;
423  WRITE_UVLC( sei.m_toneMapId,                    "tone_map_id" );
424  WRITE_FLAG( sei.m_toneMapCancelFlag,            "tone_map_cancel_flag" );
425  if( !sei.m_toneMapCancelFlag ) 
426  {
427    WRITE_FLAG( sei.m_toneMapPersistenceFlag,     "tone_map_persistence_flag" );
428    WRITE_CODE( sei.m_codedDataBitDepth,    8,    "coded_data_bit_depth" );
429    WRITE_CODE( sei.m_targetBitDepth,       8,    "target_bit_depth" );
430    WRITE_UVLC( sei.m_modelId,                    "model_id" );
431    switch(sei.m_modelId)
432    {
433    case 0:
434      {
435        WRITE_CODE( sei.m_minValue,  32,        "min_value" );
436        WRITE_CODE( sei.m_maxValue, 32,         "max_value" );
437        break;
438      }
439    case 1:
440      {
441        WRITE_CODE( sei.m_sigmoidMidpoint, 32,  "sigmoid_midpoint" );
442        WRITE_CODE( sei.m_sigmoidWidth,    32,  "sigmoid_width"    );
443        break;
444      }
445    case 2:
446      {
447        UInt num = 1u << sei.m_targetBitDepth;
448        for(i = 0; i < num; i++)
449        {
450          WRITE_CODE( sei.m_startOfCodedInterval[i], (( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3,  "start_of_coded_interval" );
451        }
452        break;
453      }
454    case 3:
455      {
456        WRITE_CODE( sei.m_numPivots, 16,          "num_pivots" );
457        for(i = 0; i < sei.m_numPivots; i++ )
458        {
459          WRITE_CODE( sei.m_codedPivotValue[i], (( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3,       "coded_pivot_value" );
460          WRITE_CODE( sei.m_targetPivotValue[i], (( sei.m_targetBitDepth + 7 ) >> 3 ) << 3,         "target_pivot_value");
461        }
462        break;
463      }
464    case 4:
465      {
466        WRITE_CODE( sei.m_cameraIsoSpeedIdc,    8,    "camera_iso_speed_idc" );
467        if( sei.m_cameraIsoSpeedIdc == 255) //Extended_ISO
468        {
469          WRITE_CODE( sei.m_cameraIsoSpeedValue,    32,    "camera_iso_speed_value" );
470        }
471        WRITE_FLAG( sei.m_exposureCompensationValueSignFlag,           "exposure_compensation_value_sign_flag" );
472        WRITE_CODE( sei.m_exposureCompensationValueNumerator,     16,  "exposure_compensation_value_numerator" );
473        WRITE_CODE( sei.m_exposureCompensationValueDenomIdc,      16,  "exposure_compensation_value_denom_idc" );
474        WRITE_CODE( sei.m_refScreenLuminanceWhite,                32,  "ref_screen_luminance_white" );
475        WRITE_CODE( sei.m_extendedRangeWhiteLevel,                32,  "extended_range_white_level" );
476        WRITE_CODE( sei.m_nominalBlackLevelLumaCodeValue,         16,  "nominal_black_level_luma_code_value" );
477        WRITE_CODE( sei.m_nominalWhiteLevelLumaCodeValue,         16,  "nominal_white_level_luma_code_value" );
478        WRITE_CODE( sei.m_extendedWhiteLevelLumaCodeValue,        16,  "extended_white_level_luma_code_value" );
479        break;
480      }
481    default:
482      {
483        assert(!"Undefined SEIToneMapModelId");
484        break;
485      }
486    }//switch m_modelId
487  }//if(!sei.m_toneMapCancelFlag)
488
489  xWriteByteAlign();
490}
491
492Void SEIWriter::xWriteSEIDisplayOrientation(const SEIDisplayOrientation &sei)
493{
494  WRITE_FLAG( sei.cancelFlag,           "display_orientation_cancel_flag" );
495  if( !sei.cancelFlag )
496  {
497    WRITE_FLAG( sei.horFlip,                   "hor_flip" );
498    WRITE_FLAG( sei.verFlip,                   "ver_flip" );
499    WRITE_CODE( sei.anticlockwiseRotation, 16, "anticlockwise_rotation" );
500    WRITE_FLAG( sei.persistenceFlag,          "display_orientation_persistence_flag" );
501  }
502  xWriteByteAlign();
503}
504
505Void SEIWriter::xWriteSEITemporalLevel0Index(const SEITemporalLevel0Index &sei)
506{
507  WRITE_CODE( sei.tl0Idx, 8 , "tl0_idx" );
508  WRITE_CODE( sei.rapIdx, 8 , "rap_idx" );
509  xWriteByteAlign();
510}
511
512Void SEIWriter::xWriteSEIGradualDecodingRefreshInfo(const SEIGradualDecodingRefreshInfo &sei)
513{
514  WRITE_FLAG( sei.m_gdrForegroundFlag, "gdr_foreground_flag");
515  xWriteByteAlign();
516}
517
518Void SEIWriter::xWriteSEISOPDescription(const SEISOPDescription& sei)
519{
520  WRITE_UVLC( sei.m_sopSeqParameterSetId,           "sop_seq_parameter_set_id"               );
521  WRITE_UVLC( sei.m_numPicsInSopMinus1,             "num_pics_in_sop_minus1"               );
522  for (UInt i = 0; i <= sei.m_numPicsInSopMinus1; i++)
523  {
524    WRITE_CODE( sei.m_sopDescVclNaluType[i], 6, "sop_desc_vcl_nalu_type" );
525    WRITE_CODE( sei.m_sopDescTemporalId[i],  3, "sop_desc_temporal_id" );
526    if (sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_W_RADL && sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_N_LP)
527    {
528      WRITE_UVLC( sei.m_sopDescStRpsIdx[i],           "sop_desc_st_rps_idx"               );
529    }
530    if (i > 0)
531    {
532      WRITE_SVLC( sei.m_sopDescPocDelta[i],           "sop_desc_poc_delta"               );
533    }
534  }
535
536  xWriteByteAlign();
537}
538
539Void SEIWriter::xWriteSEIScalableNesting(TComBitIf& bs, const SEIScalableNesting& sei, TComSPS *sps)
540{
541  WRITE_FLAG( sei.m_bitStreamSubsetFlag,             "bitstream_subset_flag"         );
542  WRITE_FLAG( sei.m_nestingOpFlag,                   "nesting_op_flag      "         );
543  if (sei.m_nestingOpFlag)
544  {
545    WRITE_FLAG( sei.m_defaultOpFlag,                 "default_op_flag"               );
546    WRITE_UVLC( sei.m_nestingNumOpsMinus1,           "nesting_num_ops"               );
547    for (UInt i = (sei.m_defaultOpFlag ? 1 : 0); i <= sei.m_nestingNumOpsMinus1; i++)
548    {
549      WRITE_CODE( sei.m_nestingNoOpMaxTemporalIdPlus1, 3, "nesting_no_op_max_temporal_id" );
550      WRITE_CODE( sei.m_nestingMaxTemporalIdPlus1[i], 3,  "nesting_max_temporal_id"       );
551      WRITE_UVLC( sei.m_nestingOpIdx[i],                  "nesting_op_idx"                );
552    }
553  }
554  else
555  {
556    WRITE_FLAG( sei.m_allLayersFlag,                      "all_layers_flag"               );
557    if (!sei.m_allLayersFlag)
558    {
559      WRITE_CODE( sei.m_nestingNoOpMaxTemporalIdPlus1, 3, "nesting_no_op_max_temporal_id" );
560      WRITE_UVLC( sei.m_nestingNumLayersMinus1,           "nesting_num_layers"            );
561      for (UInt i = 0; i <= sei.m_nestingNumLayersMinus1; i++)
562      {
563        WRITE_CODE( sei.m_nestingLayerId[i], 6,           "nesting_layer_id"              );
564      }
565    }
566  }
567 
568  // byte alignment
569  while ( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 )
570  {
571    WRITE_FLAG( 0, "nesting_zero_bit" );
572  }
573
574  // write nested SEI messages
575  for (SEIMessages::const_iterator it = sei.m_nestedSEIs.begin(); it != sei.m_nestedSEIs.end(); it++)
576  {
577    writeSEImessage(bs, *(*it), sps);
578  }
579}
580
581Void SEIWriter::xWriteByteAlign()
582{
583  if( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0)
584  {
585    WRITE_FLAG( 1, "bit_equal_to_one" );
586    while( m_pcBitIf->getNumberOfWrittenBits() % 8 != 0 )
587    {
588      WRITE_FLAG( 0, "bit_equal_to_zero" );
589    }
590  }
591};
592
593//! \}
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