source: 3DVCSoftware/branches/HTM-16.0-MV-draft-5/source/Lib/TLibDecoder/SEIread.cpp

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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) 2010-2015, 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/**
35 \file     SEIread.cpp
36 \brief    reading funtionality for SEI messages
37 */
38
39#include "TLibCommon/CommonDef.h"
40#include "TLibCommon/TComBitStream.h"
41#include "TLibCommon/SEI.h"
42#include "TLibCommon/TComSlice.h"
43#include "SyntaxElementParser.h"
44#include "SEIread.h"
45#include "TLibCommon/TComPicYuv.h"
46#include <iomanip>
47
48
49//! \ingroup TLibDecoder
50//! \{
51
52
53#if ENC_DEC_TRACE
54Void  xTraceSEIHeader()
55{
56  fprintf( g_hTrace, "=========== SEI message ===========\n");
57}
58
59Void  xTraceSEIMessageType(SEI::PayloadType payloadType)
60{
61  fprintf( g_hTrace, "=========== %s SEI message ===========\n", SEI::getSEIMessageString(payloadType));
62}
63#endif
64
65Void SEIReader::sei_read_code(std::ostream *pOS, UInt uiLength, UInt& ruiCode, const TChar *pSymbolName)
66{
67  READ_CODE(uiLength, ruiCode, pSymbolName);
68  if (pOS)
69  {
70    (*pOS) << "  " << std::setw(55) << pSymbolName << ": " << ruiCode << "\n";
71  }
72}
73
74Void SEIReader::sei_read_uvlc(std::ostream *pOS, UInt& ruiCode, const TChar *pSymbolName)
75{
76  READ_UVLC(ruiCode, pSymbolName);
77  if (pOS)
78  {
79    (*pOS) << "  " << std::setw(55) << pSymbolName << ": " << ruiCode << "\n";
80  }
81}
82
83Void SEIReader::sei_read_svlc(std::ostream *pOS, Int& ruiCode, const TChar *pSymbolName)
84{
85  READ_SVLC(ruiCode, pSymbolName);
86  if (pOS)
87  {
88    (*pOS) << "  " << std::setw(55) << pSymbolName << ": " << ruiCode << "\n";
89  }
90}
91
92Void SEIReader::sei_read_flag(std::ostream *pOS, UInt& ruiCode, const TChar *pSymbolName)
93{
94  READ_FLAG(ruiCode, pSymbolName);
95  if (pOS)
96  {
97    (*pOS) << "  " << std::setw(55) << pSymbolName << ": " << (ruiCode?1:0) << "\n";
98  }
99}
100
101#if NH_MV
102Void SEIReader::sei_read_string(std::ostream *pOS, UInt uiBufSize, UChar* pucCode, UInt& ruiLength, const TChar *pSymbolName)
103{
104  READ_STRING(uiBufSize, pucCode, ruiLength, pSymbolName);
105  if (pOS)
106  {
107    (*pOS) << "  " << pSymbolName << ": " << (const char*) pucCode << "\n";
108  }
109}
110inline Void SEIReader::output_sei_message_header(SEI &sei, std::ostream *pDecodedMessageOutputStream, UInt payloadSize)
111#else
112static inline Void output_sei_message_header(SEI &sei, std::ostream *pDecodedMessageOutputStream, UInt payloadSize)
113#endif
114{
115  if (pDecodedMessageOutputStream)
116  {
117    std::string seiMessageHdr(SEI::getSEIMessageString(sei.payloadType())); seiMessageHdr+=" SEI message";
118    (*pDecodedMessageOutputStream) << std::setfill('-') << std::setw(seiMessageHdr.size()) << "-" << std::setfill(' ') << "\n" << seiMessageHdr << " (" << payloadSize << " bytes)"<< "\n";
119#if NH_MV
120    (*pDecodedMessageOutputStream) << std::setfill(' ') << "LayerId: " << m_layerId << std::setw(2) << " Picture: " << m_decOrder << std::setw( 5 ) << std::endl;
121#endif
122  }
123}
124
125#undef READ_CODE
126#undef READ_SVLC
127#undef READ_UVLC
128#undef READ_FLAG
129
130
131/**
132 * unmarshal a single SEI message from bitstream bs
133 */
134#if NH_MV
135Void SEIReader::parseSEImessage(TComInputBitstream* bs, SEIMessages& seis, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
136#else
137Void SEIReader::parseSEImessage(TComInputBitstream* bs, SEIMessages& seis, const NalUnitType nalUnitType, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
138#endif
139{
140  setBitstream(bs);
141
142  assert(!m_pcBitstream->getNumBitsUntilByteAligned());
143  do
144  {
145#if NH_MV
146    xReadSEImessage(seis, nalUnitType, vps, sps, pDecodedMessageOutputStream);
147#else
148    xReadSEImessage(seis, nalUnitType, sps, pDecodedMessageOutputStream);
149#endif
150    /* SEI messages are an integer number of bytes, something has failed
151    * in the parsing if bitstream not byte-aligned */
152    assert(!m_pcBitstream->getNumBitsUntilByteAligned());
153  }
154  while (m_pcBitstream->getNumBitsLeft() > 8);
155
156  xReadRbspTrailingBits();
157}
158
159#if NH_MV
160Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
161#else
162Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
163#endif
164{
165#if ENC_DEC_TRACE
166  xTraceSEIHeader();
167#endif
168  Int payloadType = 0;
169  UInt val = 0;
170
171  do
172  {
173    sei_read_code(NULL, 8, val, "payload_type");
174    payloadType += val;
175  } while (val==0xFF);
176
177  UInt payloadSize = 0;
178  do
179  {
180    sei_read_code(NULL, 8, val, "payload_size");
181    payloadSize += val;
182  } while (val==0xFF);
183
184#if ENC_DEC_TRACE
185  xTraceSEIMessageType((SEI::PayloadType)payloadType);
186#endif
187
188  /* extract the payload for this single SEI message.
189   * This allows greater safety in erroneous parsing of an SEI message
190   * from affecting subsequent messages.
191   * After parsing the payload, bs needs to be restored as the primary
192   * bitstream.
193   */
194  TComInputBitstream *bs = getBitstream();
195  setBitstream(bs->extractSubstream(payloadSize * 8));
196
197  SEI *sei = NULL;
198
199  if(nalUnitType == NAL_UNIT_PREFIX_SEI)
200  {
201    switch (payloadType)
202    {
203    case SEI::USER_DATA_UNREGISTERED:
204      sei = new SEIuserDataUnregistered;
205      xParseSEIuserDataUnregistered((SEIuserDataUnregistered&) *sei, payloadSize, pDecodedMessageOutputStream);
206      break;
207    case SEI::ACTIVE_PARAMETER_SETS:
208      sei = new SEIActiveParameterSets;
209      xParseSEIActiveParameterSets((SEIActiveParameterSets&) *sei, payloadSize, pDecodedMessageOutputStream);
210      break;
211    case SEI::DECODING_UNIT_INFO:
212      if (!sps)
213      {
214        printf ("Warning: Found Decoding unit SEI message, but no active SPS is available. Ignoring.");
215      }
216      else
217      {
218        sei = new SEIDecodingUnitInfo;
219        xParseSEIDecodingUnitInfo((SEIDecodingUnitInfo&) *sei, payloadSize, sps, pDecodedMessageOutputStream);
220      }
221      break;
222    case SEI::BUFFERING_PERIOD:
223      if (!sps)
224      {
225        printf ("Warning: Found Buffering period SEI message, but no active SPS is available. Ignoring.");
226      }
227      else
228      {
229        sei = new SEIBufferingPeriod;
230        xParseSEIBufferingPeriod((SEIBufferingPeriod&) *sei, payloadSize, sps, pDecodedMessageOutputStream);
231      }
232      break;
233    case SEI::PICTURE_TIMING:
234      if (!sps)
235      {
236        printf ("Warning: Found Picture timing SEI message, but no active SPS is available. Ignoring.");
237      }
238      else
239      {
240        sei = new SEIPictureTiming;
241        xParseSEIPictureTiming((SEIPictureTiming&)*sei, payloadSize, sps, pDecodedMessageOutputStream);
242      }
243      break;
244    case SEI::RECOVERY_POINT:
245      sei = new SEIRecoveryPoint;
246      xParseSEIRecoveryPoint((SEIRecoveryPoint&) *sei, payloadSize, pDecodedMessageOutputStream);
247      break;
248    case SEI::FRAME_PACKING:
249      sei = new SEIFramePacking;
250      xParseSEIFramePacking((SEIFramePacking&) *sei, payloadSize, pDecodedMessageOutputStream);
251      break;
252    case SEI::SEGM_RECT_FRAME_PACKING:
253      sei = new SEISegmentedRectFramePacking;
254      xParseSEISegmentedRectFramePacking((SEISegmentedRectFramePacking&) *sei, payloadSize, pDecodedMessageOutputStream);
255      break;
256    case SEI::DISPLAY_ORIENTATION:
257      sei = new SEIDisplayOrientation;
258      xParseSEIDisplayOrientation((SEIDisplayOrientation&) *sei, payloadSize, pDecodedMessageOutputStream);
259      break;
260    case SEI::TEMPORAL_LEVEL0_INDEX:
261      sei = new SEITemporalLevel0Index;
262      xParseSEITemporalLevel0Index((SEITemporalLevel0Index&) *sei, payloadSize, pDecodedMessageOutputStream);
263      break;
264    case SEI::REGION_REFRESH_INFO:
265      sei = new SEIGradualDecodingRefreshInfo;
266      xParseSEIRegionRefreshInfo((SEIGradualDecodingRefreshInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
267      break;
268    case SEI::NO_DISPLAY:
269      sei = new SEINoDisplay;
270      xParseSEINoDisplay((SEINoDisplay&) *sei, payloadSize, pDecodedMessageOutputStream);
271      break;
272    case SEI::TONE_MAPPING_INFO:
273      sei = new SEIToneMappingInfo;
274      xParseSEIToneMappingInfo((SEIToneMappingInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
275      break;
276    case SEI::SOP_DESCRIPTION:
277      sei = new SEISOPDescription;
278      xParseSEISOPDescription((SEISOPDescription&) *sei, payloadSize, pDecodedMessageOutputStream);
279      break;
280    case SEI::SCALABLE_NESTING:
281      sei = new SEIScalableNesting;
282#if NH_MV
283      xParseSEIScalableNesting((SEIScalableNesting&) *sei, nalUnitType, payloadSize, vps, sps, pDecodedMessageOutputStream);
284#else
285      xParseSEIScalableNesting((SEIScalableNesting&) *sei, nalUnitType, payloadSize, sps, pDecodedMessageOutputStream);
286#endif
287      break;
288    case SEI::TEMP_MOTION_CONSTRAINED_TILE_SETS:
289      sei = new SEITempMotionConstrainedTileSets;
290      xParseSEITempMotionConstraintsTileSets((SEITempMotionConstrainedTileSets&) *sei, payloadSize, pDecodedMessageOutputStream);
291      break;
292    case SEI::TIME_CODE:
293      sei = new SEITimeCode;
294      xParseSEITimeCode((SEITimeCode&) *sei, payloadSize, pDecodedMessageOutputStream);
295      break;
296    case SEI::CHROMA_RESAMPLING_FILTER_HINT:
297      sei = new SEIChromaResamplingFilterHint;
298      xParseSEIChromaResamplingFilterHint((SEIChromaResamplingFilterHint&) *sei, payloadSize, pDecodedMessageOutputStream);
299      //}
300      break;
301    case SEI::KNEE_FUNCTION_INFO:
302      sei = new SEIKneeFunctionInfo;
303      xParseSEIKneeFunctionInfo((SEIKneeFunctionInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
304      break;
305    case SEI::COLOUR_REMAPPING_INFO:
306      sei = new SEIColourRemappingInfo;
307      xParseSEIColourRemappingInfo((SEIColourRemappingInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
308      break;
309    case SEI::MASTERING_DISPLAY_COLOUR_VOLUME:
310      sei = new SEIMasteringDisplayColourVolume;
311      xParseSEIMasteringDisplayColourVolume((SEIMasteringDisplayColourVolume&) *sei, payloadSize, pDecodedMessageOutputStream);
312      break;
313#if NH_MV
314    case SEI::LAYERS_NOT_PRESENT:
315      if (!vps)
316      {
317        printf ("Warning: Found Layers not present SEI message, but no active VPS is available. Ignoring.");
318      }
319      else
320      {
321        sei = new SEILayersNotPresent;
322        xParseSEILayersNotPresent((SEILayersNotPresent&) *sei, payloadSize, vps, pDecodedMessageOutputStream);
323      }
324      break;
325    case SEI::INTER_LAYER_CONSTRAINED_TILE_SETS:
326      sei = new SEIInterLayerConstrainedTileSets;
327      xParseSEIInterLayerConstrainedTileSets((SEIInterLayerConstrainedTileSets&) *sei, payloadSize, pDecodedMessageOutputStream );
328      break;
329#if NH_MV_TBD
330    case SEI::BSP_NESTING:
331      sei = new SEIBspNesting;
332      xParseSEIBspNesting((SEIBspNesting&) *sei, payloadSize, pDecodedMessageOutputStream );
333      break;
334    case SEI::BSP_INITIAL_ARRIVAL_TIME:
335      sei = new SEIBspInitialArrivalTime;
336      xParseSEIBspInitialArrivalTime((SEIBspInitialArrivalTime&) *sei, payloadSize, pDecodedMessageOutputStream );
337      break;
338#endif
339    case SEI::SUB_BITSTREAM_PROPERTY:
340      sei = new SEISubBitstreamProperty;
341      xParseSEISubBitstreamProperty((SEISubBitstreamProperty&) *sei, payloadSize, pDecodedMessageOutputStream );
342      break;
343    case SEI::ALPHA_CHANNEL_INFO:
344      sei = new SEIAlphaChannelInfo;
345      xParseSEIAlphaChannelInfo((SEIAlphaChannelInfo&) *sei, payloadSize, pDecodedMessageOutputStream );
346      break;
347    case SEI::OVERLAY_INFO:
348      sei = new SEIOverlayInfo;
349      xParseSEIOverlayInfo((SEIOverlayInfo&) *sei, payloadSize, pDecodedMessageOutputStream );
350      break;
351    case SEI::TEMPORAL_MV_PREDICTION_CONSTRAINTS:
352      sei = new SEITemporalMvPredictionConstraints;
353      xParseSEITemporalMvPredictionConstraints((SEITemporalMvPredictionConstraints&) *sei, payloadSize, pDecodedMessageOutputStream );
354      break;
355#if NH_MV_SEI_TBD
356    case SEI::FRAME_FIELD_INFO:
357      sei = new SEIFrameFieldInfo;
358      xParseSEIFrameFieldInfo((SEIFrameFieldInfo&) *sei, payloadSize, pDecodedMessageOutputStream );
359      break;
360#endif
361    case SEI::THREE_DIMENSIONAL_REFERENCE_DISPLAYS_INFO:
362      sei = new SEIThreeDimensionalReferenceDisplaysInfo;
363      xParseSEIThreeDimensionalReferenceDisplaysInfo((SEIThreeDimensionalReferenceDisplaysInfo&) *sei, payloadSize, pDecodedMessageOutputStream );
364      break;
365    case SEI::DEPTH_REPRESENTATION_INFO:
366        sei = new SEIDepthRepresentationInfo;
367        xParseSEIDepthRepresentationInfo((SEIDepthRepresentationInfo&) *sei, payloadSize, pDecodedMessageOutputStream );
368        break;
369    case SEI::MULTIVIEW_SCENE_INFO:
370      sei = new SEIMultiviewSceneInfo;
371      xParseSEIMultiviewSceneInfo((SEIMultiviewSceneInfo&) *sei, payloadSize, pDecodedMessageOutputStream );
372      break;
373
374    case SEI::MULTIVIEW_ACQUISITION_INFO:
375      sei = new SEIMultiviewAcquisitionInfo;
376      xParseSEIMultiviewAcquisitionInfo((SEIMultiviewAcquisitionInfo&) *sei, payloadSize, pDecodedMessageOutputStream );
377      break;
378
379    case SEI::MULTIVIEW_VIEW_POSITION:
380      sei = new SEIMultiviewViewPosition;
381      xParseSEIMultiviewViewPosition((SEIMultiviewViewPosition&) *sei, payloadSize, pDecodedMessageOutputStream );
382      break;
383#endif
384    default:
385      for (UInt i = 0; i < payloadSize; i++)
386      {
387        UInt seiByte;
388        sei_read_code (NULL, 8, seiByte, "unknown prefix SEI payload byte");
389      }
390      printf ("Unknown prefix SEI message (payloadType = %d) was found!\n", payloadType);
391      if (pDecodedMessageOutputStream)
392      {
393        (*pDecodedMessageOutputStream) << "Unknown prefix SEI message (payloadType = " << payloadType << ") was found!\n";
394      }
395      break;
396    }
397  }
398  else
399  {
400    switch (payloadType)
401    {
402      case SEI::USER_DATA_UNREGISTERED:
403        sei = new SEIuserDataUnregistered;
404        xParseSEIuserDataUnregistered((SEIuserDataUnregistered&) *sei, payloadSize, pDecodedMessageOutputStream);
405        break;
406      case SEI::DECODED_PICTURE_HASH:
407        sei = new SEIDecodedPictureHash;
408        xParseSEIDecodedPictureHash((SEIDecodedPictureHash&) *sei, payloadSize, pDecodedMessageOutputStream);
409        break;
410      default:
411        for (UInt i = 0; i < payloadSize; i++)
412        {
413          UInt seiByte;
414          sei_read_code( NULL, 8, seiByte, "unknown suffix SEI payload byte");
415        }
416        printf ("Unknown suffix SEI message (payloadType = %d) was found!\n", payloadType);
417        if (pDecodedMessageOutputStream)
418        {
419          (*pDecodedMessageOutputStream) << "Unknown suffix SEI message (payloadType = " << payloadType << ") was found!\n";
420        }
421        break;
422    }
423  }
424
425  if (sei != NULL)
426  {
427    seis.push_back(sei);
428  }
429
430  /* By definition the underlying bitstream terminates in a byte-aligned manner.
431   * 1. Extract all bar the last MIN(bitsremaining,nine) bits as reserved_payload_extension_data
432   * 2. Examine the final 8 bits to determine the payload_bit_equal_to_one marker
433   * 3. Extract the remainingreserved_payload_extension_data bits.
434   *
435   * If there are fewer than 9 bits available, extract them.
436   */
437  Int payloadBitsRemaining = getBitstream()->getNumBitsLeft();
438  if (payloadBitsRemaining) /* more_data_in_payload() */
439  {
440    for (; payloadBitsRemaining > 9; payloadBitsRemaining--)
441    {
442      UInt reservedPayloadExtensionData;
443      sei_read_code ( pDecodedMessageOutputStream, 1, reservedPayloadExtensionData, "reserved_payload_extension_data");
444    }
445
446    /* 2 */
447    Int finalBits = getBitstream()->peekBits(payloadBitsRemaining);
448    Int finalPayloadBits = 0;
449    for (Int mask = 0xff; finalBits & (mask >> finalPayloadBits); finalPayloadBits++)
450    {
451      continue;
452    }
453
454    /* 3 */
455    for (; payloadBitsRemaining > 9 - finalPayloadBits; payloadBitsRemaining--)
456    {
457      UInt reservedPayloadExtensionData;
458      sei_read_flag ( 0, reservedPayloadExtensionData, "reserved_payload_extension_data");
459    }
460
461    UInt dummy;
462    sei_read_flag( 0, dummy, "payload_bit_equal_to_one"); payloadBitsRemaining--;
463    while (payloadBitsRemaining)
464    {
465      sei_read_flag( 0, dummy, "payload_bit_equal_to_zero"); payloadBitsRemaining--;
466    }
467  }
468
469  /* restore primary bitstream for sei_message */
470  delete getBitstream();
471  setBitstream(bs);
472}
473
474/**
475 * parse bitstream bs and unpack a user_data_unregistered SEI message
476 * of payloasSize bytes into sei.
477 */
478
479Void SEIReader::xParseSEIuserDataUnregistered(SEIuserDataUnregistered &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
480{
481  assert(payloadSize >= ISO_IEC_11578_LEN);
482  UInt val;
483  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
484
485  for (UInt i = 0; i < ISO_IEC_11578_LEN; i++)
486  {
487    sei_read_code( pDecodedMessageOutputStream, 8, val, "uuid_iso_iec_11578");
488    sei.uuid_iso_iec_11578[i] = val;
489  }
490
491  sei.userDataLength = payloadSize - ISO_IEC_11578_LEN;
492  if (!sei.userDataLength)
493  {
494    sei.userData = 0;
495    return;
496  }
497
498  sei.userData = new UChar[sei.userDataLength];
499  for (UInt i = 0; i < sei.userDataLength; i++)
500  {
501    sei_read_code( NULL, 8, val, "user_data_payload_byte" );
502    sei.userData[i] = val;
503  }
504  if (pDecodedMessageOutputStream)
505  {
506    (*pDecodedMessageOutputStream) << "  User data payload size: " << sei.userDataLength << "\n";
507  }
508}
509
510/**
511 * parse bitstream bs and unpack a decoded picture hash SEI message
512 * of payloadSize bytes into sei.
513 */
514Void SEIReader::xParseSEIDecodedPictureHash(SEIDecodedPictureHash& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
515{
516  UInt bytesRead = 0;
517  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
518
519  UInt val;
520  sei_read_code( pDecodedMessageOutputStream, 8, val, "hash_type");
521  sei.method = static_cast<HashType>(val); bytesRead++;
522
523  const TChar *traceString="\0";
524  switch (sei.method)
525  {
526    case HASHTYPE_MD5: traceString="picture_md5"; break;
527    case HASHTYPE_CRC: traceString="picture_crc"; break;
528    case HASHTYPE_CHECKSUM: traceString="picture_checksum"; break;
529    default: assert(false); break;
530  }
531
532  if (pDecodedMessageOutputStream)
533  {
534    (*pDecodedMessageOutputStream) << "  " << std::setw(55) << traceString << ": " << std::hex << std::setfill('0');
535  }
536
537  sei.m_pictureHash.hash.clear();
538  for(;bytesRead < payloadSize; bytesRead++)
539  {
540    sei_read_code( NULL, 8, val, traceString);
541    sei.m_pictureHash.hash.push_back((UChar)val);
542    if (pDecodedMessageOutputStream)
543    {
544      (*pDecodedMessageOutputStream) << std::setw(2) << val;
545    }
546  }
547
548  if (pDecodedMessageOutputStream)
549  {
550    (*pDecodedMessageOutputStream) << std::dec << std::setfill(' ') << "\n";
551  }
552}
553
554Void SEIReader::xParseSEIActiveParameterSets(SEIActiveParameterSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
555{
556  UInt val;
557  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
558
559  sei_read_code( pDecodedMessageOutputStream, 4, val, "active_video_parameter_set_id");   sei.activeVPSId = val;
560  sei_read_flag( pDecodedMessageOutputStream,    val, "self_contained_cvs_flag");         sei.m_selfContainedCvsFlag     = (val != 0);
561  sei_read_flag( pDecodedMessageOutputStream,    val, "no_parameter_set_update_flag");    sei.m_noParameterSetUpdateFlag = (val != 0);
562  sei_read_uvlc( pDecodedMessageOutputStream,    val, "num_sps_ids_minus1");              sei.numSpsIdsMinus1 = val;
563
564  sei.activeSeqParameterSetId.resize(sei.numSpsIdsMinus1 + 1);
565  for (Int i=0; i < (sei.numSpsIdsMinus1 + 1); i++)
566  {
567    sei_read_uvlc( pDecodedMessageOutputStream, val, "active_seq_parameter_set_id[i]");    sei.activeSeqParameterSetId[i] = val;
568  }
569}
570
571Void SEIReader::xParseSEIDecodingUnitInfo(SEIDecodingUnitInfo& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
572{
573  UInt val;
574  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
575  sei_read_uvlc( pDecodedMessageOutputStream, val, "decoding_unit_idx");
576  sei.m_decodingUnitIdx = val;
577
578  const TComVUI *vui = sps->getVuiParameters();
579  if(vui->getHrdParameters()->getSubPicCpbParamsInPicTimingSEIFlag())
580  {
581    sei_read_code( pDecodedMessageOutputStream, ( vui->getHrdParameters()->getDuCpbRemovalDelayLengthMinus1() + 1 ), val, "du_spt_cpb_removal_delay_increment");
582    sei.m_duSptCpbRemovalDelay = val;
583  }
584  else
585  {
586    sei.m_duSptCpbRemovalDelay = 0;
587  }
588  sei_read_flag( pDecodedMessageOutputStream, val, "dpb_output_du_delay_present_flag"); sei.m_dpbOutputDuDelayPresentFlag = (val != 0);
589  if(sei.m_dpbOutputDuDelayPresentFlag)
590  {
591    sei_read_code( pDecodedMessageOutputStream, vui->getHrdParameters()->getDpbOutputDelayDuLengthMinus1() + 1, val, "pic_spt_dpb_output_du_delay");
592    sei.m_picSptDpbOutputDuDelay = val;
593  }
594}
595
596Void SEIReader::xParseSEIBufferingPeriod(SEIBufferingPeriod& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
597{
598  Int i, nalOrVcl;
599  UInt code;
600
601  const TComVUI *pVUI = sps->getVuiParameters();
602  const TComHRD *pHRD = pVUI->getHrdParameters();
603
604  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
605
606  sei_read_uvlc( pDecodedMessageOutputStream, code, "bp_seq_parameter_set_id" );                         sei.m_bpSeqParameterSetId     = code;
607  if( !pHRD->getSubPicCpbParamsPresentFlag() )
608  {
609    sei_read_flag( pDecodedMessageOutputStream, code, "irap_cpb_params_present_flag" );                   sei.m_rapCpbParamsPresentFlag = code;
610  }
611  if( sei.m_rapCpbParamsPresentFlag )
612  {
613    sei_read_code( pDecodedMessageOutputStream, pHRD->getCpbRemovalDelayLengthMinus1() + 1, code, "cpb_delay_offset" );      sei.m_cpbDelayOffset = code;
614    sei_read_code( pDecodedMessageOutputStream, pHRD->getDpbOutputDelayLengthMinus1()  + 1, code, "dpb_delay_offset" );      sei.m_dpbDelayOffset = code;
615  }
616
617  //read splicing flag and cpb_removal_delay_delta
618  sei_read_flag( pDecodedMessageOutputStream, code, "concatenation_flag");
619  sei.m_concatenationFlag = code;
620  sei_read_code( pDecodedMessageOutputStream, ( pHRD->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_delta_minus1" );
621  sei.m_auCpbRemovalDelayDelta = code + 1;
622
623  for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
624  {
625    if( ( ( nalOrVcl == 0 ) && ( pHRD->getNalHrdParametersPresentFlag() ) ) ||
626        ( ( nalOrVcl == 1 ) && ( pHRD->getVclHrdParametersPresentFlag() ) ) )
627    {
628      for( i = 0; i < ( pHRD->getCpbCntMinus1( 0 ) + 1 ); i ++ )
629      {
630        sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_delay":"nal_initial_cpb_removal_delay" );
631        sei.m_initialCpbRemovalDelay[i][nalOrVcl] = code;
632        sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_offset":"vcl_initial_cpb_removal_offset" );
633        sei.m_initialCpbRemovalDelayOffset[i][nalOrVcl] = code;
634        if( pHRD->getSubPicCpbParamsPresentFlag() || sei.m_rapCpbParamsPresentFlag )
635        {
636          sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_delay":"vcl_initial_alt_cpb_removal_delay" );
637          sei.m_initialAltCpbRemovalDelay[i][nalOrVcl] = code;
638          sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_offset":"vcl_initial_alt_cpb_removal_offset" );
639          sei.m_initialAltCpbRemovalDelayOffset[i][nalOrVcl] = code;
640        }
641      }
642    }
643  }
644}
645
646Void SEIReader::xParseSEIPictureTiming(SEIPictureTiming& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
647{
648  Int i;
649  UInt code;
650
651  const TComVUI *vui = sps->getVuiParameters();
652  const TComHRD *hrd = vui->getHrdParameters();
653  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
654
655  if( vui->getFrameFieldInfoPresentFlag() )
656  {
657    sei_read_code( pDecodedMessageOutputStream, 4, code, "pic_struct" );             sei.m_picStruct            = code;
658    sei_read_code( pDecodedMessageOutputStream, 2, code, "source_scan_type" );       sei.m_sourceScanType       = code;
659    sei_read_flag( pDecodedMessageOutputStream,    code, "duplicate_flag" );         sei.m_duplicateFlag        = (code == 1);
660  }
661
662  if( hrd->getCpbDpbDelaysPresentFlag())
663  {
664    sei_read_code( pDecodedMessageOutputStream, ( hrd->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_minus1" );
665    sei.m_auCpbRemovalDelay = code + 1;
666    sei_read_code( pDecodedMessageOutputStream, ( hrd->getDpbOutputDelayLengthMinus1() + 1 ), code, "pic_dpb_output_delay" );
667    sei.m_picDpbOutputDelay = code;
668
669    if(hrd->getSubPicCpbParamsPresentFlag())
670    {
671      sei_read_code( pDecodedMessageOutputStream, hrd->getDpbOutputDelayDuLengthMinus1()+1, code, "pic_dpb_output_du_delay" );
672      sei.m_picDpbOutputDuDelay = code;
673    }
674
675    if( hrd->getSubPicCpbParamsPresentFlag() && hrd->getSubPicCpbParamsInPicTimingSEIFlag() )
676    {
677      sei_read_uvlc( pDecodedMessageOutputStream, code, "num_decoding_units_minus1");
678      sei.m_numDecodingUnitsMinus1 = code;
679      sei_read_flag( pDecodedMessageOutputStream, code, "du_common_cpb_removal_delay_flag" );
680      sei.m_duCommonCpbRemovalDelayFlag = code;
681      if( sei.m_duCommonCpbRemovalDelayFlag )
682      {
683        sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_common_cpb_removal_delay_increment_minus1" );
684        sei.m_duCommonCpbRemovalDelayMinus1 = code;
685      }
686      sei.m_numNalusInDuMinus1.resize(sei.m_numDecodingUnitsMinus1 + 1 );
687      sei.m_duCpbRemovalDelayMinus1.resize( sei.m_numDecodingUnitsMinus1 + 1 );
688
689      for( i = 0; i <= sei.m_numDecodingUnitsMinus1; i ++ )
690      {
691        sei_read_uvlc( pDecodedMessageOutputStream, code, "num_nalus_in_du_minus1[i]");
692        sei.m_numNalusInDuMinus1[ i ] = code;
693        if( ( !sei.m_duCommonCpbRemovalDelayFlag ) && ( i < sei.m_numDecodingUnitsMinus1 ) )
694        {
695          sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_cpb_removal_delay_minus1[i]" );
696          sei.m_duCpbRemovalDelayMinus1[ i ] = code;
697        }
698      }
699    }
700  }
701}
702
703Void SEIReader::xParseSEIRecoveryPoint(SEIRecoveryPoint& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
704{
705  Int  iCode;
706  UInt uiCode;
707  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
708
709  sei_read_svlc( pDecodedMessageOutputStream, iCode,  "recovery_poc_cnt" );      sei.m_recoveryPocCnt     = iCode;
710  sei_read_flag( pDecodedMessageOutputStream, uiCode, "exact_matching_flag" );   sei.m_exactMatchingFlag  = uiCode;
711  sei_read_flag( pDecodedMessageOutputStream, uiCode, "broken_link_flag" );      sei.m_brokenLinkFlag     = uiCode;
712}
713
714Void SEIReader::xParseSEIFramePacking(SEIFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
715{
716  UInt val;
717  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
718
719  sei_read_uvlc( pDecodedMessageOutputStream, val, "frame_packing_arrangement_id" );                 sei.m_arrangementId = val;
720  sei_read_flag( pDecodedMessageOutputStream, val, "frame_packing_arrangement_cancel_flag" );        sei.m_arrangementCancelFlag = val;
721
722  if ( !sei.m_arrangementCancelFlag )
723  {
724    sei_read_code( pDecodedMessageOutputStream, 7, val, "frame_packing_arrangement_type" );          sei.m_arrangementType = val;
725    assert((sei.m_arrangementType > 2) && (sei.m_arrangementType < 6) );
726
727    sei_read_flag( pDecodedMessageOutputStream, val, "quincunx_sampling_flag" );                     sei.m_quincunxSamplingFlag = val;
728
729    sei_read_code( pDecodedMessageOutputStream, 6, val, "content_interpretation_type" );             sei.m_contentInterpretationType = val;
730    sei_read_flag( pDecodedMessageOutputStream, val, "spatial_flipping_flag" );                      sei.m_spatialFlippingFlag = val;
731    sei_read_flag( pDecodedMessageOutputStream, val, "frame0_flipped_flag" );                        sei.m_frame0FlippedFlag = val;
732    sei_read_flag( pDecodedMessageOutputStream, val, "field_views_flag" );                           sei.m_fieldViewsFlag = val;
733    sei_read_flag( pDecodedMessageOutputStream, val, "current_frame_is_frame0_flag" );               sei.m_currentFrameIsFrame0Flag = val;
734    sei_read_flag( pDecodedMessageOutputStream, val, "frame0_self_contained_flag" );                 sei.m_frame0SelfContainedFlag = val;
735    sei_read_flag( pDecodedMessageOutputStream, val, "frame1_self_contained_flag" );                 sei.m_frame1SelfContainedFlag = val;
736
737    if ( sei.m_quincunxSamplingFlag == 0 && sei.m_arrangementType != 5)
738    {
739      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_x" );                sei.m_frame0GridPositionX = val;
740      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_y" );                sei.m_frame0GridPositionY = val;
741      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_x" );                sei.m_frame1GridPositionX = val;
742      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_y" );                sei.m_frame1GridPositionY = val;
743    }
744
745    sei_read_code( pDecodedMessageOutputStream, 8, val, "frame_packing_arrangement_reserved_byte" );   sei.m_arrangementReservedByte = val;
746    sei_read_flag( pDecodedMessageOutputStream, val,  "frame_packing_arrangement_persistence_flag" );  sei.m_arrangementPersistenceFlag = (val != 0);
747  }
748  sei_read_flag( pDecodedMessageOutputStream, val, "upsampled_aspect_ratio_flag" );                  sei.m_upsampledAspectRatio = val;
749}
750
751Void SEIReader::xParseSEISegmentedRectFramePacking(SEISegmentedRectFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
752{
753  UInt val;
754  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
755  sei_read_flag( pDecodedMessageOutputStream, val,       "segmented_rect_frame_packing_arrangement_cancel_flag" );       sei.m_arrangementCancelFlag            = val;
756  if( !sei.m_arrangementCancelFlag )
757  {
758    sei_read_code( pDecodedMessageOutputStream, 2, val, "segmented_rect_content_interpretation_type" );                sei.m_contentInterpretationType = val;
759    sei_read_flag( pDecodedMessageOutputStream, val,     "segmented_rect_frame_packing_arrangement_persistence" );                              sei.m_arrangementPersistenceFlag               = val;
760  }
761}
762
763Void SEIReader::xParseSEIDisplayOrientation(SEIDisplayOrientation& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
764{
765  UInt val;
766  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
767  sei_read_flag( pDecodedMessageOutputStream, val,       "display_orientation_cancel_flag" );       sei.cancelFlag            = val;
768  if( !sei.cancelFlag )
769  {
770    sei_read_flag( pDecodedMessageOutputStream, val,     "hor_flip" );                              sei.horFlip               = val;
771    sei_read_flag( pDecodedMessageOutputStream, val,     "ver_flip" );                              sei.verFlip               = val;
772    sei_read_code( pDecodedMessageOutputStream, 16, val, "anticlockwise_rotation" );                sei.anticlockwiseRotation = val;
773    sei_read_flag( pDecodedMessageOutputStream, val,     "display_orientation_persistence_flag" );  sei.persistenceFlag       = val;
774  }
775}
776
777Void SEIReader::xParseSEITemporalLevel0Index(SEITemporalLevel0Index& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
778{
779  UInt val;
780  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
781  sei_read_code( pDecodedMessageOutputStream, 8, val, "temporal_sub_layer_zero_idx" );  sei.tl0Idx = val;
782  sei_read_code( pDecodedMessageOutputStream, 8, val, "irap_pic_id" );  sei.rapIdx = val;
783}
784
785Void SEIReader::xParseSEIRegionRefreshInfo(SEIGradualDecodingRefreshInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
786{
787  UInt val;
788  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
789  sei_read_flag( pDecodedMessageOutputStream, val, "refreshed_region_flag" ); sei.m_gdrForegroundFlag = val ? 1 : 0;
790}
791
792Void SEIReader::xParseSEINoDisplay(SEINoDisplay& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
793{
794  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
795  sei.m_noDisplay = true;
796}
797
798Void SEIReader::xParseSEIToneMappingInfo(SEIToneMappingInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
799{
800  Int i;
801  UInt val;
802  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
803  sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_id" );                         sei.m_toneMapId = val;
804  sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_cancel_flag" );                sei.m_toneMapCancelFlag = val;
805
806  if ( !sei.m_toneMapCancelFlag )
807  {
808    sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_persistence_flag" );         sei.m_toneMapPersistenceFlag = val;
809    sei_read_code( pDecodedMessageOutputStream, 8, val, "coded_data_bit_depth" );           sei.m_codedDataBitDepth = val;
810    sei_read_code( pDecodedMessageOutputStream, 8, val, "target_bit_depth" );               sei.m_targetBitDepth = val;
811    sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_model_id" );                 sei.m_modelId = val;
812    switch(sei.m_modelId)
813    {
814    case 0:
815      {
816        sei_read_code( pDecodedMessageOutputStream, 32, val, "min_value" );                 sei.m_minValue = val;
817        sei_read_code( pDecodedMessageOutputStream, 32, val, "max_value" );                 sei.m_maxValue = val;
818        break;
819      }
820    case 1:
821      {
822        sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_midpoint" );          sei.m_sigmoidMidpoint = val;
823        sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_width" );             sei.m_sigmoidWidth = val;
824        break;
825      }
826    case 2:
827      {
828        UInt num = 1u << sei.m_targetBitDepth;
829        sei.m_startOfCodedInterval.resize(num+1);
830        for(i = 0; i < num; i++)
831        {
832          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "start_of_coded_interval[i]" );
833          sei.m_startOfCodedInterval[i] = val;
834        }
835        sei.m_startOfCodedInterval[num] = 1u << sei.m_codedDataBitDepth;
836        break;
837      }
838    case 3:
839      {
840        sei_read_code( pDecodedMessageOutputStream, 16, val,  "num_pivots" );                       sei.m_numPivots = val;
841        sei.m_codedPivotValue.resize(sei.m_numPivots);
842        sei.m_targetPivotValue.resize(sei.m_numPivots);
843        for(i = 0; i < sei.m_numPivots; i++ )
844        {
845          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "coded_pivot_value[i]" );
846          sei.m_codedPivotValue[i] = val;
847          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_targetBitDepth + 7 ) >> 3 ) << 3),    val, "target_pivot_value[i]" );
848          sei.m_targetPivotValue[i] = val;
849        }
850        break;
851      }
852    case 4:
853      {
854        sei_read_code( pDecodedMessageOutputStream, 8, val, "camera_iso_speed_idc" );                     sei.m_cameraIsoSpeedIdc = val;
855        if( sei.m_cameraIsoSpeedIdc == 255) //Extended_ISO
856        {
857          sei_read_code( pDecodedMessageOutputStream, 32,   val,   "camera_iso_speed_value" );            sei.m_cameraIsoSpeedValue = val;
858        }
859        sei_read_code( pDecodedMessageOutputStream, 8, val, "exposure_index_idc" );                       sei.m_exposureIndexIdc = val;
860        if( sei.m_exposureIndexIdc == 255) //Extended_ISO
861        {
862          sei_read_code( pDecodedMessageOutputStream, 32,   val,   "exposure_index_value" );              sei.m_exposureIndexValue = val;
863        }
864        sei_read_flag( pDecodedMessageOutputStream, val, "exposure_compensation_value_sign_flag" );       sei.m_exposureCompensationValueSignFlag = val;
865        sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_numerator" );   sei.m_exposureCompensationValueNumerator = val;
866        sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_denom_idc" );   sei.m_exposureCompensationValueDenomIdc = val;
867        sei_read_code( pDecodedMessageOutputStream, 32, val, "ref_screen_luminance_white" );              sei.m_refScreenLuminanceWhite = val;
868        sei_read_code( pDecodedMessageOutputStream, 32, val, "extended_range_white_level" );              sei.m_extendedRangeWhiteLevel = val;
869        sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_black_level_code_value" );          sei.m_nominalBlackLevelLumaCodeValue = val;
870        sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_white_level_code_value" );          sei.m_nominalWhiteLevelLumaCodeValue= val;
871        sei_read_code( pDecodedMessageOutputStream, 16, val, "extended_white_level_code_value" );         sei.m_extendedWhiteLevelLumaCodeValue = val;
872        break;
873      }
874    default:
875      {
876        assert(!"Undefined SEIToneMapModelId");
877        break;
878      }
879    }//switch model id
880  }// if(!sei.m_toneMapCancelFlag)
881}
882
883Void SEIReader::xParseSEISOPDescription(SEISOPDescription &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
884{
885  Int iCode;
886  UInt uiCode;
887  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
888
889  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "sop_seq_parameter_set_id"            ); sei.m_sopSeqParameterSetId = uiCode;
890  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "num_pics_in_sop_minus1"              ); sei.m_numPicsInSopMinus1 = uiCode;
891  for (UInt i = 0; i <= sei.m_numPicsInSopMinus1; i++)
892  {
893    sei_read_code( pDecodedMessageOutputStream, 6, uiCode,                     "sop_vcl_nut[i]" );  sei.m_sopDescVclNaluType[i] = uiCode;
894    sei_read_code( pDecodedMessageOutputStream, 3, sei.m_sopDescTemporalId[i], "sop_temporal_id[i]"   );  sei.m_sopDescTemporalId[i] = uiCode;
895    if (sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_W_RADL && sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_N_LP)
896    {
897      sei_read_uvlc( pDecodedMessageOutputStream, sei.m_sopDescStRpsIdx[i],    "sop_short_term_rps_idx[i]"    ); sei.m_sopDescStRpsIdx[i] = uiCode;
898    }
899    if (i > 0)
900    {
901      sei_read_svlc( pDecodedMessageOutputStream, iCode,                       "sop_poc_delta[i]"     ); sei.m_sopDescPocDelta[i] = iCode;
902    }
903  }
904}
905
906#if NH_MV
907Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
908#else
909Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
910#endif
911{
912  UInt uiCode;
913  SEIMessages seis;
914  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
915
916  sei_read_flag( pDecodedMessageOutputStream, uiCode,            "bitstream_subset_flag"         ); sei.m_bitStreamSubsetFlag = uiCode;
917  sei_read_flag( pDecodedMessageOutputStream, uiCode,            "nesting_op_flag"               ); sei.m_nestingOpFlag = uiCode;
918  if (sei.m_nestingOpFlag)
919  {
920    sei_read_flag( pDecodedMessageOutputStream, uiCode,            "default_op_flag"               ); sei.m_defaultOpFlag = uiCode;
921    sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_num_ops_minus1"        ); sei.m_nestingNumOpsMinus1 = uiCode;
922    for (UInt i = sei.m_defaultOpFlag; i <= sei.m_nestingNumOpsMinus1; i++)
923    {
924      sei_read_code( pDecodedMessageOutputStream, 3,        uiCode,  "nesting_max_temporal_id_plus1[i]"   ); sei.m_nestingMaxTemporalIdPlus1[i] = uiCode;
925      sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_op_idx[i]"                  ); sei.m_nestingOpIdx[i] = uiCode;
926    }
927  }
928  else
929  {
930    sei_read_flag( pDecodedMessageOutputStream, uiCode,            "all_layers_flag"               ); sei.m_allLayersFlag       = uiCode;
931    if (!sei.m_allLayersFlag)
932    {
933      sei_read_code( pDecodedMessageOutputStream, 3,        uiCode,  "nesting_no_op_max_temporal_id_plus1"  ); sei.m_nestingNoOpMaxTemporalIdPlus1 = uiCode;
934      sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_num_layers_minus1"            ); sei.m_nestingNumLayersMinus1        = uiCode;
935      for (UInt i = 0; i <= sei.m_nestingNumLayersMinus1; i++)
936      {
937        sei_read_code( pDecodedMessageOutputStream, 6,           uiCode,     "nesting_layer_id[i]"      ); sei.m_nestingLayerId[i]   = uiCode;
938      }
939    }
940  }
941
942  // byte alignment
943  while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
944  {
945    UInt code;
946    sei_read_flag( pDecodedMessageOutputStream, code, "nesting_zero_bit" );
947  }
948
949  // read nested SEI messages
950  do
951  {
952#if NH_MV
953    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream);
954#else
955    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream);
956#endif
957  } while (m_pcBitstream->getNumBitsLeft() > 8);
958
959  if (pDecodedMessageOutputStream)
960  {
961    (*pDecodedMessageOutputStream) << "End of scalable nesting SEI message\n";
962  }
963}
964
965
966Void SEIReader::xParseSEITempMotionConstraintsTileSets(SEITempMotionConstrainedTileSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
967{
968  UInt code;
969  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
970  sei_read_flag( pDecodedMessageOutputStream, code, "mc_all_tiles_exact_sample_value_match_flag");  sei.m_mc_all_tiles_exact_sample_value_match_flag = (code != 0);
971  sei_read_flag( pDecodedMessageOutputStream, code, "each_tile_one_tile_set_flag");                 sei.m_each_tile_one_tile_set_flag                = (code != 0);
972
973  if(!sei.m_each_tile_one_tile_set_flag)
974  {
975    sei_read_flag( pDecodedMessageOutputStream, code, "limited_tile_set_display_flag");  sei.m_limited_tile_set_display_flag = (code != 0);
976    sei_read_uvlc( pDecodedMessageOutputStream, code, "num_sets_in_message_minus1");     sei.setNumberOfTileSets(code + 1);
977
978    if(sei.getNumberOfTileSets() != 0)
979    {
980      for(Int i = 0; i < sei.getNumberOfTileSets(); i++)
981      {
982        sei_read_uvlc( pDecodedMessageOutputStream, code, "mcts_id");  sei.tileSetData(i).m_mcts_id = code;
983
984        if(sei.m_limited_tile_set_display_flag)
985        {
986          sei_read_flag( pDecodedMessageOutputStream, code, "display_tile_set_flag");  sei.tileSetData(i).m_display_tile_set_flag = (code != 1);
987        }
988
989        sei_read_uvlc( pDecodedMessageOutputStream, code, "num_tile_rects_in_set_minus1");  sei.tileSetData(i).setNumberOfTileRects(code + 1);
990
991        for(Int j=0; j<sei.tileSetData(i).getNumberOfTileRects(); j++)
992        {
993          sei_read_uvlc( pDecodedMessageOutputStream, code, "top_left_tile_index");      sei.tileSetData(i).topLeftTileIndex(j)     = code;
994          sei_read_uvlc( pDecodedMessageOutputStream, code, "bottom_right_tile_index");  sei.tileSetData(i).bottomRightTileIndex(j) = code;
995        }
996
997        if(!sei.m_mc_all_tiles_exact_sample_value_match_flag)
998        {
999          sei_read_flag( pDecodedMessageOutputStream, code, "exact_sample_value_match_flag");   sei.tileSetData(i).m_exact_sample_value_match_flag    = (code != 0);
1000        }
1001        sei_read_flag( pDecodedMessageOutputStream, code, "mcts_tier_level_idc_present_flag");  sei.tileSetData(i).m_mcts_tier_level_idc_present_flag = (code != 0);
1002
1003        if(sei.tileSetData(i).m_mcts_tier_level_idc_present_flag)
1004        {
1005          sei_read_flag( pDecodedMessageOutputStream, code,    "mcts_tier_flag"); sei.tileSetData(i).m_mcts_tier_flag = (code != 0);
1006          sei_read_code( pDecodedMessageOutputStream, 8, code, "mcts_level_idc"); sei.tileSetData(i).m_mcts_level_idc =  code;
1007        }
1008      }
1009    }
1010  }
1011  else
1012  {
1013    sei_read_flag( pDecodedMessageOutputStream, code, "max_mcs_tier_level_idc_present_flag");  sei.m_max_mcs_tier_level_idc_present_flag = code;
1014    if(sei.m_max_mcs_tier_level_idc_present_flag)
1015    {
1016      sei_read_flag( pDecodedMessageOutputStream, code, "max_mcts_tier_flag");  sei.m_max_mcts_tier_flag = code;
1017      sei_read_code( pDecodedMessageOutputStream, 8, code, "max_mcts_level_idc"); sei.m_max_mcts_level_idc = code;
1018    }
1019  }
1020}
1021
1022Void SEIReader::xParseSEITimeCode(SEITimeCode& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1023{
1024  UInt code;
1025  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1026  sei_read_code( pDecodedMessageOutputStream, 2, code, "num_clock_ts"); sei.numClockTs = code;
1027  for(Int i = 0; i < sei.numClockTs; i++)
1028  {
1029    TComSEITimeSet currentTimeSet;
1030    sei_read_flag( pDecodedMessageOutputStream, code, "clock_time_stamp_flag[i]"); currentTimeSet.clockTimeStampFlag = code;
1031    if(currentTimeSet.clockTimeStampFlag)
1032    {
1033      sei_read_flag( pDecodedMessageOutputStream, code, "nuit_field_based_flag"); currentTimeSet.numUnitFieldBasedFlag = code;
1034      sei_read_code( pDecodedMessageOutputStream, 5, code, "counting_type"); currentTimeSet.countingType = code;
1035      sei_read_flag( pDecodedMessageOutputStream, code, "full_timestamp_flag"); currentTimeSet.fullTimeStampFlag = code;
1036      sei_read_flag( pDecodedMessageOutputStream, code, "discontinuity_flag"); currentTimeSet.discontinuityFlag = code;
1037      sei_read_flag( pDecodedMessageOutputStream, code, "cnt_dropped_flag"); currentTimeSet.cntDroppedFlag = code;
1038      sei_read_code( pDecodedMessageOutputStream, 9, code, "n_frames"); currentTimeSet.numberOfFrames = code;
1039      if(currentTimeSet.fullTimeStampFlag)
1040      {
1041        sei_read_code( pDecodedMessageOutputStream, 6, code, "seconds_value"); currentTimeSet.secondsValue = code;
1042        sei_read_code( pDecodedMessageOutputStream, 6, code, "minutes_value"); currentTimeSet.minutesValue = code;
1043        sei_read_code( pDecodedMessageOutputStream, 5, code, "hours_value"); currentTimeSet.hoursValue = code;
1044      }
1045      else
1046      {
1047        sei_read_flag( pDecodedMessageOutputStream, code, "seconds_flag"); currentTimeSet.secondsFlag = code;
1048        if(currentTimeSet.secondsFlag)
1049        {
1050          sei_read_code( pDecodedMessageOutputStream, 6, code, "seconds_value"); currentTimeSet.secondsValue = code;
1051          sei_read_flag( pDecodedMessageOutputStream, code, "minutes_flag"); currentTimeSet.minutesFlag = code;
1052          if(currentTimeSet.minutesFlag)
1053          {
1054            sei_read_code( pDecodedMessageOutputStream, 6, code, "minutes_value"); currentTimeSet.minutesValue = code;
1055            sei_read_flag( pDecodedMessageOutputStream, code, "hours_flag"); currentTimeSet.hoursFlag = code;
1056            if(currentTimeSet.hoursFlag)
1057            {
1058              sei_read_code( pDecodedMessageOutputStream, 5, code, "hours_value"); currentTimeSet.hoursValue = code;
1059            }
1060          }
1061        }
1062      }
1063      sei_read_code( pDecodedMessageOutputStream, 5, code, "time_offset_length"); currentTimeSet.timeOffsetLength = code;
1064      if(currentTimeSet.timeOffsetLength > 0)
1065      {
1066        sei_read_code( pDecodedMessageOutputStream, currentTimeSet.timeOffsetLength, code, "time_offset_value");
1067        if((code & (1 << (currentTimeSet.timeOffsetLength-1))) == 0)
1068        {
1069          currentTimeSet.timeOffsetValue = code;
1070        }
1071        else
1072        {
1073          code &= (1<< (currentTimeSet.timeOffsetLength-1)) - 1;
1074          currentTimeSet.timeOffsetValue = ~code + 1;
1075        }
1076      }
1077    }
1078    sei.timeSetArray[i] = currentTimeSet;
1079  }
1080}
1081
1082Void SEIReader::xParseSEIChromaResamplingFilterHint(SEIChromaResamplingFilterHint& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1083{
1084  UInt uiCode;
1085  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1086
1087  sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "ver_chroma_filter_idc"); sei.m_verChromaFilterIdc = uiCode;
1088  sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "hor_chroma_filter_idc"); sei.m_horChromaFilterIdc = uiCode;
1089  sei_read_flag( pDecodedMessageOutputStream, uiCode, "ver_filtering_field_processing_flag"); sei.m_verFilteringFieldProcessingFlag = uiCode;
1090  if(sei.m_verChromaFilterIdc == 1 || sei.m_horChromaFilterIdc == 1)
1091  {
1092    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "target_format_idc"); sei.m_targetFormatIdc = uiCode;
1093    if(sei.m_verChromaFilterIdc == 1)
1094    {
1095      UInt numVerticalFilters;
1096      sei_read_uvlc( pDecodedMessageOutputStream, numVerticalFilters, "num_vertical_filters"); sei.m_verFilterCoeff.resize(numVerticalFilters);
1097      if(numVerticalFilters > 0)
1098      {
1099        for(Int i = 0; i < numVerticalFilters; i++)
1100        {
1101          UInt verTapLengthMinus1;
1102          sei_read_uvlc( pDecodedMessageOutputStream, verTapLengthMinus1, "ver_tap_length_minus_1"); sei.m_verFilterCoeff[i].resize(verTapLengthMinus1+1);
1103          for(Int j = 0; j < (verTapLengthMinus1 + 1); j++)
1104          {
1105            sei_read_svlc( pDecodedMessageOutputStream, sei.m_verFilterCoeff[i][j], "ver_filter_coeff");
1106          }
1107        }
1108      }
1109    }
1110    if(sei.m_horChromaFilterIdc == 1)
1111    {
1112      UInt numHorizontalFilters;
1113      sei_read_uvlc( pDecodedMessageOutputStream, numHorizontalFilters, "num_horizontal_filters"); sei.m_horFilterCoeff.resize(numHorizontalFilters);
1114      if(numHorizontalFilters  > 0)
1115      {
1116        for(Int i = 0; i < numHorizontalFilters; i++)
1117        {
1118          UInt horTapLengthMinus1;
1119          sei_read_uvlc( pDecodedMessageOutputStream, horTapLengthMinus1, "hor_tap_length_minus_1"); sei.m_horFilterCoeff[i].resize(horTapLengthMinus1+1);
1120          for(Int j = 0; j < (horTapLengthMinus1 + 1); j++)
1121          {
1122            sei_read_svlc( pDecodedMessageOutputStream, sei.m_horFilterCoeff[i][j], "hor_filter_coeff");
1123          }
1124        }
1125      }
1126    }
1127  }
1128}
1129
1130Void SEIReader::xParseSEIKneeFunctionInfo(SEIKneeFunctionInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1131{
1132  Int i;
1133  UInt val;
1134  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1135
1136  sei_read_uvlc( pDecodedMessageOutputStream, val, "knee_function_id" );                   sei.m_kneeId = val;
1137  sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_cancel_flag" );          sei.m_kneeCancelFlag = val;
1138  if ( !sei.m_kneeCancelFlag )
1139  {
1140    sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_persistence_flag" );   sei.m_kneePersistenceFlag = val;
1141    sei_read_code( pDecodedMessageOutputStream, 32, val, "input_d_range" );                sei.m_kneeInputDrange = val;
1142    sei_read_code( pDecodedMessageOutputStream, 32, val, "input_disp_luminance" );         sei.m_kneeInputDispLuminance = val;
1143    sei_read_code( pDecodedMessageOutputStream, 32, val, "output_d_range" );               sei.m_kneeOutputDrange = val;
1144    sei_read_code( pDecodedMessageOutputStream, 32, val, "output_disp_luminance" );        sei.m_kneeOutputDispLuminance = val;
1145    sei_read_uvlc( pDecodedMessageOutputStream, val, "num_knee_points_minus1" );           sei.m_kneeNumKneePointsMinus1 = val;
1146    assert( sei.m_kneeNumKneePointsMinus1 > 0 );
1147    sei.m_kneeInputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1);
1148    sei.m_kneeOutputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1);
1149    for(i = 0; i <= sei.m_kneeNumKneePointsMinus1; i++ )
1150    {
1151      sei_read_code( pDecodedMessageOutputStream, 10, val, "input_knee_point" );           sei.m_kneeInputKneePoint[i] = val;
1152      sei_read_code( pDecodedMessageOutputStream, 10, val, "output_knee_point" );          sei.m_kneeOutputKneePoint[i] = val;
1153    }
1154  }
1155}
1156
1157Void SEIReader::xParseSEIColourRemappingInfo(SEIColourRemappingInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1158{
1159  UInt  uiVal;
1160  Int   iVal;
1161  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1162
1163  sei_read_uvlc( pDecodedMessageOutputStream, uiVal, "colour_remap_id" );          sei.m_colourRemapId = uiVal;
1164  sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_cancel_flag" ); sei.m_colourRemapCancelFlag = uiVal;
1165  if( !sei.m_colourRemapCancelFlag ) 
1166  {
1167    sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_persistence_flag" );                sei.m_colourRemapPersistenceFlag = uiVal;
1168    sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_video_signal_info_present_flag" );  sei.m_colourRemapVideoSignalInfoPresentFlag = uiVal;
1169    if ( sei.m_colourRemapVideoSignalInfoPresentFlag )
1170    {
1171      sei_read_flag( pDecodedMessageOutputStream, uiVal,    "colour_remap_full_range_flag" );            sei.m_colourRemapFullRangeFlag = uiVal;
1172      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_primaries" );                  sei.m_colourRemapPrimaries = uiVal;
1173      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_transfer_function" );          sei.m_colourRemapTransferFunction = uiVal;
1174      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_matrix_coefficients" );        sei.m_colourRemapMatrixCoefficients = uiVal;
1175    }
1176    sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_input_bit_depth" );              sei.m_colourRemapInputBitDepth = uiVal;
1177    sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_bit_depth" );                    sei.m_colourRemapBitDepth = uiVal;
1178 
1179    for( Int c=0 ; c<3 ; c++ )
1180    {
1181      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "pre_lut_num_val_minus1[c]" ); sei.m_preLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal;
1182      sei.m_preLut[c].resize(sei.m_preLutNumValMinus1[c]+1);
1183      if( uiVal> 0 )
1184      {
1185        for ( Int i=0 ; i<=sei.m_preLutNumValMinus1[c] ; i++ )
1186        {
1187          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapInputBitDepth   + 7 ) >> 3 ) << 3, uiVal, "pre_lut_coded_value[c][i]" );  sei.m_preLut[c][i].codedValue  = uiVal;
1188          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "pre_lut_target_value[c][i]" ); sei.m_preLut[c][i].targetValue = uiVal;
1189        }
1190      }
1191      else // pre_lut_num_val_minus1[c] == 0
1192      {
1193        sei.m_preLut[c][0].codedValue  = 0;
1194        sei.m_preLut[c][0].targetValue = 0;
1195        sei.m_preLut[c][1].codedValue  = (1 << sei.m_colourRemapInputBitDepth) - 1 ;
1196        sei.m_preLut[c][1].targetValue = (1 << sei.m_colourRemapBitDepth) - 1 ;
1197      }
1198    }
1199
1200    sei_read_flag( pDecodedMessageOutputStream, uiVal,      "colour_remap_matrix_present_flag" ); sei.m_colourRemapMatrixPresentFlag = uiVal;
1201    if( sei.m_colourRemapMatrixPresentFlag )
1202    {
1203      sei_read_code( pDecodedMessageOutputStream, 4, uiVal, "log2_matrix_denom" ); sei.m_log2MatrixDenom = uiVal;
1204      for ( Int c=0 ; c<3 ; c++ )
1205      {
1206        for ( Int i=0 ; i<3 ; i++ )
1207        {
1208          sei_read_svlc( pDecodedMessageOutputStream, iVal, "colour_remap_coeffs[c][i]" ); sei.m_colourRemapCoeffs[c][i] = iVal;
1209        }
1210      }
1211    }
1212    else // setting default matrix (I3)
1213    {
1214      sei.m_log2MatrixDenom = 10;
1215      for ( Int c=0 ; c<3 ; c++ )
1216      {
1217        for ( Int i=0 ; i<3 ; i++ )
1218        {
1219          sei.m_colourRemapCoeffs[c][i] = (c==i) << sei.m_log2MatrixDenom;
1220        }
1221      }
1222    }
1223    for( Int c=0 ; c<3 ; c++ )
1224    {
1225      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "post_lut_num_val_minus1[c]" ); sei.m_postLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal;
1226      sei.m_postLut[c].resize(sei.m_postLutNumValMinus1[c]+1);
1227      if( uiVal > 0 )
1228      {
1229        for ( Int i=0 ; i<=sei.m_postLutNumValMinus1[c] ; i++ )
1230        {
1231          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_coded_value[c][i]" );  sei.m_postLut[c][i].codedValue = uiVal;
1232          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_target_value[c][i]" ); sei.m_postLut[c][i].targetValue = uiVal;
1233        }
1234      }
1235      else
1236      {
1237        sei.m_postLut[c][0].codedValue  = 0;
1238        sei.m_postLut[c][0].targetValue = 0;
1239        sei.m_postLut[c][1].targetValue = (1 << sei.m_colourRemapBitDepth) - 1;
1240        sei.m_postLut[c][1].codedValue  = (1 << sei.m_colourRemapBitDepth) - 1;
1241      }
1242    }
1243  }
1244}
1245
1246
1247Void SEIReader::xParseSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1248{
1249  UInt code;
1250  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1251
1252  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[0]" ); sei.values.primaries[0][0] = code;
1253  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[0]" ); sei.values.primaries[0][1] = code;
1254
1255  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[1]" ); sei.values.primaries[1][0] = code;
1256  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[1]" ); sei.values.primaries[1][1] = code;
1257
1258  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[2]" ); sei.values.primaries[2][0] = code;
1259  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[2]" ); sei.values.primaries[2][1] = code;
1260
1261
1262  sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_x" ); sei.values.whitePoint[0] = code;
1263  sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_y" ); sei.values.whitePoint[1] = code;
1264
1265  sei_read_code( pDecodedMessageOutputStream, 32, code, "max_display_mastering_luminance" ); sei.values.maxLuminance = code;
1266  sei_read_code( pDecodedMessageOutputStream, 32, code, "min_display_mastering_luminance" ); sei.values.minLuminance = code;
1267}
1268#if NH_MV
1269Void SEIReader::xParseSEILayersNotPresent(SEILayersNotPresent &sei, UInt payloadSize, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
1270{
1271  UInt code;
1272
1273  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1274  sei_read_code( pDecodedMessageOutputStream, 4, code, "lnp_sei_active_vps_id" ); sei.m_lnpSeiActiveVpsId = code;
1275  assert(vps->getVPSId() == sei.m_lnpSeiActiveVpsId);
1276
1277  sei.m_lnpSeiMaxLayers = vps->getMaxLayersMinus1() + 1;
1278  sei.resizeDimI(sei.m_lnpSeiMaxLayers);
1279  for (Int i = 0; i < sei.m_lnpSeiMaxLayers; i++)
1280  {
1281    sei_read_flag( pDecodedMessageOutputStream, code, "layer_not_present_flag" );
1282    sei.m_layerNotPresentFlag[i] = (code == 1);
1283  }
1284};
1285
1286Void SEIReader::xParseSEIInterLayerConstrainedTileSets(SEIInterLayerConstrainedTileSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1287{
1288  UInt code;
1289  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1290
1291  sei_read_flag( pDecodedMessageOutputStream, code, "il_all_tiles_exact_sample_value_match_flag" ); sei.m_ilAllTilesExactSampleValueMatchFlag = (code == 1);
1292  sei_read_flag( pDecodedMessageOutputStream, code, "il_one_tile_per_tile_set_flag"              ); sei.m_ilOneTilePerTileSetFlag             = (code == 1);
1293  if( !sei.m_ilOneTilePerTileSetFlag )
1294  {
1295    sei_read_uvlc( pDecodedMessageOutputStream, code, "il_num_sets_in_message_minus1" ); sei.m_ilNumSetsInMessageMinus1 = code;
1296    if( sei.m_ilNumSetsInMessageMinus1 )
1297    {
1298      sei_read_flag( pDecodedMessageOutputStream, code, "skipped_tile_set_present_flag" ); sei.m_skippedTileSetPresentFlag = (code == 1);
1299    }
1300    Int numSignificantSets = sei.m_ilNumSetsInMessageMinus1 - sei.m_skippedTileSetPresentFlag + 1;
1301
1302    sei.resizeDimI( numSignificantSets );
1303    for( Int i = 0; i < numSignificantSets; i++ )
1304    {
1305      sei_read_uvlc( pDecodedMessageOutputStream, code, "ilcts_id"                        ); sei.m_ilctsId                  [i] = code;
1306      sei_read_uvlc( pDecodedMessageOutputStream, code, "il_num_tile_rects_in_set_minus1" ); sei.m_ilNumTileRectsInSetMinus1[i] = code;
1307
1308      sei.resizeDimJ( i, sei.m_ilNumTileRectsInSetMinus1[ i ] + 1 );
1309      for( Int j = 0; j  <=  sei.m_ilNumTileRectsInSetMinus1[ i ]; j++ )
1310      {
1311        sei_read_uvlc( pDecodedMessageOutputStream, code, "il_top_left_tile_index"     ); sei.m_ilTopLeftTileIndex    [i][j] = code;
1312        sei_read_uvlc( pDecodedMessageOutputStream, code, "il_bottom_right_tile_index" ); sei.m_ilBottomRightTileIndex[i][j] = code;
1313      }
1314      sei_read_code( pDecodedMessageOutputStream, 2, code, "ilc_idc" ); sei.m_ilcIdc[i] = code;
1315      if ( !sei.m_ilAllTilesExactSampleValueMatchFlag )
1316      {
1317        sei_read_flag( pDecodedMessageOutputStream, code, "il_exact_sample_value_match_flag" ); sei.m_ilExactSampleValueMatchFlag[i] = (code == 1);
1318      }
1319    }
1320  }
1321  else
1322  {
1323    sei_read_code( pDecodedMessageOutputStream, 2, code, "all_tiles_ilc_idc" ); sei.m_allTilesIlcIdc = code;
1324  }
1325};
1326
1327#if NH_MV_SEI_TBD
1328Void SEIReader::xParseSEIBspNesting(SEIBspNesting& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1329{
1330  UInt code;
1331  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1332
1333  sei_read_uvlc( pDecodedMessageOutputStream, code, "sei_ols_idx" ); sei.m_seiOlsIdx = code;
1334  sei_read_uvlc( pDecodedMessageOutputStream, code, "sei_partitioning_scheme_idx" ); sei.m_seiPartitioningSchemeIdx = code;
1335  sei_read_uvlc( pDecodedMessageOutputStream, code, "bsp_idx" ); sei.m_bspIdx = code;
1336  while( !ByteaLigned(() ) );
1337  {
1338    sei_read_code( pDecodedMessageOutputStream, *equalto0*/u1, code, "bsp_nesting_zero_bit" ); sei.m_bspNestingZeroBit = code;
1339  }
1340  sei_read_uvlc( pDecodedMessageOutputStream, code, "num_seis_in_bsp_minus1" ); sei.m_numSeisInBspMinus1 = code;
1341  for( Int i = 0; i  <=  NumSeisInBspMinus1( ); i++ )
1342  {
1343    SeiMessage(() );
1344  }
1345};
1346
1347Void SEIReader::xParseSEIBspInitialArrivalTime(SEIBspInitialArrivalTime& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1348{
1349  UInt code;
1350  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1351
1352  psIdx = SeiPartitioningSchemeIdx();
1353  if( nalInitialArrivalDelayPresent )
1354  {
1355    for( Int i = 0; i < BspSchedCnt( SeiOlsIdx(), psIdx, MaxTemporalId( 0 ) ); i++ )
1356    {
1357      sei_read_code( pDecodedMessageOutputStream, getNalInitialArrivalDelayLen ), code, "nal_initial_arrival_delay" ); sei.m_nalInitialArrivalDelay[i] = code;
1358    }
1359  }
1360  if( vclInitialArrivalDelayPresent )
1361  {
1362    for( Int i = 0; i < BspSchedCnt( SeiOlsIdx(), psIdx, MaxTemporalId( 0 ) ); i++ )
1363    {
1364      sei_read_code( pDecodedMessageOutputStream, getVclInitialArrivalDelayLen ), code, "vcl_initial_arrival_delay" ); sei.m_vclInitialArrivalDelay[i] = code;
1365    }
1366  }
1367};
1368#endif
1369
1370Void SEIReader::xParseSEISubBitstreamProperty(SEISubBitstreamProperty& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1371{
1372  UInt code;
1373  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1374
1375  sei_read_code( pDecodedMessageOutputStream, 4, code, "sb_property_active_vps_id" ); sei.m_sbPropertyActiveVpsId = code;
1376  sei_read_uvlc( pDecodedMessageOutputStream, code, "num_additional_sub_streams_minus1" ); sei.m_numAdditionalSubStreamsMinus1 = code;
1377  sei.resizeArrays( );
1378  for( Int i = 0; i  <=  sei.m_numAdditionalSubStreamsMinus1; i++ )
1379  {
1380    sei_read_code( pDecodedMessageOutputStream, 2, code, "sub_bitstream_mode" ); sei.m_subBitstreamMode[i] = code;
1381    sei_read_uvlc( pDecodedMessageOutputStream, code, "ols_idx_to_vps" ); sei.m_olsIdxToVps[i] = code;
1382    sei_read_code( pDecodedMessageOutputStream, 3, code, "highest_sublayer_id" ); sei.m_highestSublayerId[i] = code;
1383    sei_read_code( pDecodedMessageOutputStream, 16, code, "avg_sb_property_bit_rate" ); sei.m_avgSbPropertyBitRate[i] = code;
1384    sei_read_code( pDecodedMessageOutputStream, 16, code, "max_sb_property_bit_rate" ); sei.m_maxSbPropertyBitRate[i] = code;
1385  }
1386};
1387
1388Void SEIReader::xParseSEIAlphaChannelInfo(SEIAlphaChannelInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1389{
1390  UInt code;
1391  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1392
1393  sei_read_flag( pDecodedMessageOutputStream, code, "alpha_channel_cancel_flag" ); sei.m_alphaChannelCancelFlag = (code == 1);
1394  if( !sei.m_alphaChannelCancelFlag )
1395  {
1396    sei_read_code( pDecodedMessageOutputStream, 3, code, "alpha_channel_use_idc" ); sei.m_alphaChannelUseIdc = code;
1397    sei_read_code( pDecodedMessageOutputStream, 3, code, "alpha_channel_bit_depth_minus8" ); sei.m_alphaChannelBitDepthMinus8 = code;
1398    sei_read_code( pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8+9, code, "alpha_transparent_value" ); sei.m_alphaTransparentValue = code;
1399    sei_read_code( pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8+9, code, "alpha_opaque_value" ); sei.m_alphaOpaqueValue = code;
1400    sei_read_flag( pDecodedMessageOutputStream, code, "alpha_channel_incr_flag" ); sei.m_alphaChannelIncrFlag = (code == 1);
1401    sei_read_flag( pDecodedMessageOutputStream, code, "alpha_channel_clip_flag" ); sei.m_alphaChannelClipFlag = (code == 1);
1402    if( sei.m_alphaChannelClipFlag )
1403    {
1404      sei_read_flag( pDecodedMessageOutputStream, code, "alpha_channel_clip_type_flag" ); sei.m_alphaChannelClipTypeFlag = (code == 1);
1405    }
1406  }
1407};
1408
1409Void SEIReader::xParseSEIOverlayInfo(SEIOverlayInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1410{
1411  UInt code;
1412  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1413
1414  sei_read_flag( pDecodedMessageOutputStream, code, "overlay_info_cancel_flag" ); sei.m_overlayInfoCancelFlag = (code == 1);
1415  if( !sei.m_overlayInfoCancelFlag )
1416  {
1417    sei_read_uvlc( pDecodedMessageOutputStream, code, "overlay_content_aux_id_minus128" );            sei.m_overlayContentAuxIdMinus128 = code;
1418    sei_read_uvlc( pDecodedMessageOutputStream, code, "overlay_label_aux_id_minus128" );              sei.m_overlayLabelAuxIdMinus128 = code;
1419    sei_read_uvlc( pDecodedMessageOutputStream, code, "overlay_alpha_aux_id_minus128" );              sei.m_overlayAlphaAuxIdMinus128 = code;
1420    sei_read_uvlc( pDecodedMessageOutputStream, code, "overlay_element_label_value_length_minus8" );  sei.m_overlayElementLabelValueLengthMinus8 = code;
1421    sei_read_uvlc( pDecodedMessageOutputStream, code, "num_overlays_minus1" );                        sei.m_numOverlaysMinus1 = code;
1422
1423    sei.m_overlayIdx.resize( sei.m_numOverlaysMinus1+1 );
1424    sei.m_languageOverlayPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1425    sei.m_overlayContentLayerId.resize     ( sei.m_numOverlaysMinus1+1 );
1426    sei.m_overlayLabelPresentFlag.resize   ( sei.m_numOverlaysMinus1+1 );
1427    sei.m_overlayLabelLayerId.resize       ( sei.m_numOverlaysMinus1+1 );
1428    sei.m_overlayAlphaPresentFlag.resize   ( sei.m_numOverlaysMinus1+1 );
1429    sei.m_overlayAlphaLayerId.resize       ( sei.m_numOverlaysMinus1+1 );
1430    sei.m_numOverlayElementsMinus1.resize  ( sei.m_numOverlaysMinus1+1 );
1431    sei.m_overlayElementLabelMin.resize    ( sei.m_numOverlaysMinus1+1 );
1432    sei.m_overlayElementLabelMax.resize    ( sei.m_numOverlaysMinus1+1 );
1433    for( Int i = 0; i  <=  sei.m_numOverlaysMinus1; i++ )
1434    {
1435      sei_read_uvlc( pDecodedMessageOutputStream, code, "overlay_idx" );                    sei.m_overlayIdx[i]                 = code;
1436      sei_read_flag( pDecodedMessageOutputStream, code, "language_overlay_present_flag" );  sei.m_languageOverlayPresentFlag[i] = (code == 1);
1437      sei_read_code( pDecodedMessageOutputStream, 6, code, "overlay_content_layer_id" );    sei.m_overlayContentLayerId[i]      = code;
1438      sei_read_flag( pDecodedMessageOutputStream, code, "overlay_label_present_flag" );     sei.m_overlayLabelPresentFlag[i]    = (code == 1);
1439      if( sei.m_overlayLabelPresentFlag[i] )
1440      {
1441        sei_read_code( pDecodedMessageOutputStream, 6, code, "overlay_label_layer_id" );     sei.m_overlayLabelLayerId[i]       = code;
1442      }
1443      sei_read_flag( pDecodedMessageOutputStream, code, "overlay_alpha_present_flag" );      sei.m_overlayAlphaPresentFlag[i]   = (code == 1);
1444      if( sei.m_overlayAlphaPresentFlag[i] )
1445      {
1446        sei_read_code( pDecodedMessageOutputStream, 6, code, "overlay_alpha_layer_id" );     sei.m_overlayAlphaLayerId[i]       = code;
1447      }
1448      if( sei.m_overlayLabelPresentFlag[i] )
1449      {
1450        sei_read_uvlc( pDecodedMessageOutputStream, code, "num_overlay_elements_minus1" );   sei.m_numOverlayElementsMinus1[i]  = code;
1451        sei.m_overlayElementLabelMin[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1452        sei.m_overlayElementLabelMax[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1453        for( Int j = 0; j  <=  sei.m_numOverlayElementsMinus1[i]; j++ )
1454        {
1455          sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, code, "overlay_element_label_min" ); sei.m_overlayElementLabelMin[i][j] = code;
1456          sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, code, "overlay_element_label_max" ); sei.m_overlayElementLabelMax[i][j] = code;
1457        }
1458      }
1459    }
1460
1461    // byte alignment
1462    while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1463    {
1464      sei_read_flag( pDecodedMessageOutputStream, code, "overlay_zero_bit" );
1465      assert( code==0 );
1466    }
1467
1468    UChar* sval = new UChar[sei.m_numStringBytesMax];
1469    UInt slen;
1470    sei.m_overlayLanguage   .resize( sei.m_numOverlaysMinus1 + 1 );
1471    sei.m_overlayName       .resize( sei.m_numOverlaysMinus1 + 1 );
1472    sei.m_overlayElementName.resize( sei.m_numOverlaysMinus1 + 1 );
1473    for( Int i = 0; i  <=  sei.m_numOverlaysMinus1; i++ )
1474    {
1475      if( sei.m_languageOverlayPresentFlag[i] )
1476      {
1477        sei_read_string(pDecodedMessageOutputStream, sei.m_numStringBytesMax, sval, slen, "overlay_language");
1478        sei.m_overlayLanguage[i] = std::string((const char*) sval);
1479      }
1480      sei_read_string(pDecodedMessageOutputStream, sei.m_numStringBytesMax, sval, slen, "overlay_name");
1481      sei.m_overlayName[i] = std::string((const char*) sval);
1482      if( sei.m_overlayLabelPresentFlag[i] )
1483      {
1484        sei.m_overlayElementName[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1485        for( Int j = 0; j  <=  sei.m_numOverlayElementsMinus1[i]; j++ )
1486        {
1487          sei_read_string(pDecodedMessageOutputStream, sei.m_numStringBytesMax, sval, slen, "overlay_element_name");
1488          sei.m_overlayElementName[i][j] = std::string((const char*) sval);
1489        }
1490      }
1491    }
1492    delete [] sval;
1493    sei_read_flag( pDecodedMessageOutputStream, code, "overlay_info_persistence_flag" ); sei.m_overlayInfoPersistenceFlag = (code == 1);
1494  }
1495};
1496
1497Void SEIReader::xParseSEITemporalMvPredictionConstraints(SEITemporalMvPredictionConstraints& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1498{
1499  UInt code;
1500  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1501
1502  sei_read_flag( pDecodedMessageOutputStream, code, "prev_pics_not_used_flag"     ); sei.m_prevPicsNotUsedFlag    = (code == 1);
1503  sei_read_flag( pDecodedMessageOutputStream, code, "no_intra_layer_col_pic_flag" ); sei.m_noIntraLayerColPicFlag = (code == 1);
1504};
1505
1506#if NH_MV_SEI_TBD
1507Void SEIReader::xParseSEIFrameFieldInfo(SEIFrameFieldInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1508{
1509  UInt code;
1510  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1511
1512  sei_read_code( pDecodedMessageOutputStream, 4, code, "ffinfo_pic_struct" ); sei.m_ffinfoPicStruct = code;
1513  sei_read_code( pDecodedMessageOutputStream, 2, code, "ffinfo_source_scan_type" ); sei.m_ffinfoSourceScanType = code;
1514  sei_read_flag( pDecodedMessageOutputStream, code, "ffinfo_duplicate_flag" ); sei.m_ffinfoDuplicateFlag = (code == 1);
1515};
1516#endif
1517
1518Void SEIReader::xParseSEIThreeDimensionalReferenceDisplaysInfo(SEIThreeDimensionalReferenceDisplaysInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1519{
1520  UInt code;
1521  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1522
1523  sei_read_uvlc( pDecodedMessageOutputStream, code, "prec_ref_display_width" ); sei.m_precRefDisplayWidth = code;
1524  sei_read_flag( pDecodedMessageOutputStream, code, "ref_viewing_distance_flag" ); sei.m_refViewingDistanceFlag = (code == 1);
1525  if( sei.m_refViewingDistanceFlag )
1526  {
1527    sei_read_uvlc( pDecodedMessageOutputStream, code, "prec_ref_viewing_dist" ); sei.m_precRefViewingDist = code;
1528  }
1529  sei_read_uvlc( pDecodedMessageOutputStream, code, "num_ref_displays_minus1" ); sei.m_numRefDisplaysMinus1 = code;
1530  sei.resizeArrays( );
1531  for( Int i = 0; i  <=  sei.getNumRefDisplaysMinus1( ); i++ )
1532  {
1533    sei_read_uvlc( pDecodedMessageOutputStream, code, "left_view_id" ); sei.m_leftViewId[i] = code;
1534    sei_read_uvlc( pDecodedMessageOutputStream, code, "right_view_id" ); sei.m_rightViewId[i] = code;
1535    sei_read_code( pDecodedMessageOutputStream, 6, code, "exponent_ref_display_width" ); sei.m_exponentRefDisplayWidth[i] = code;
1536    sei_read_code( pDecodedMessageOutputStream, sei.getMantissaReferenceDisplayWidthLen(i), code, "mantissa_ref_display_width" ); sei.m_mantissaRefDisplayWidth[i] =  code      ;
1537    if( sei.m_refViewingDistanceFlag )
1538    {
1539      sei_read_code( pDecodedMessageOutputStream, 6, code, "exponent_ref_viewing_distance" ); sei.m_exponentRefViewingDistance[i] = code;
1540      sei_read_code( pDecodedMessageOutputStream, sei.getMantissaReferenceViewingDistanceLen(i), code, "mantissa_ref_viewing_distance" ); sei.m_mantissaRefViewingDistance[i] = code;
1541    }
1542    sei_read_flag( pDecodedMessageOutputStream, code, "additional_shift_present_flag" ); sei.m_additionalShiftPresentFlag[i] = (code == 1);
1543    if( sei.m_additionalShiftPresentFlag[i] )
1544    {
1545      sei_read_code( pDecodedMessageOutputStream, 10, code, "num_sample_shift_plus512" ); sei.m_numSampleShiftPlus512[i] = code;
1546    }
1547  }
1548  sei_read_flag( pDecodedMessageOutputStream, code, "three_dimensional_reference_displays_extension_flag" ); sei.m_threeDimensionalReferenceDisplaysExtensionFlag = (code == 1);
1549};
1550
1551Void SEIReader::xParseSEIDepthRepInfoElement(double& f,std::ostream *pDecodedMessageOutputStream)
1552{
1553    UInt val;
1554    UInt x_sign,x_mantissa_len,x_mantissa;
1555    Int x_exp;
1556
1557    sei_read_flag(pDecodedMessageOutputStream,     val,"da_sign_flag");  x_sign = val ? 1 : 0 ;
1558    sei_read_code(pDecodedMessageOutputStream,  7, val, "da_exponent" );         x_exp = val-31;
1559    sei_read_code(pDecodedMessageOutputStream,  5, val, "da_mantissa_len_minus1" );         x_mantissa_len = val+1;
1560    sei_read_code(pDecodedMessageOutputStream,  x_mantissa_len, val, "da_mantissa" );         x_mantissa = val;
1561    if (x_mantissa_len>=16)
1562    {
1563        f =1.0 +  (x_mantissa*1.0)/(1u<<(x_mantissa_len-16))/(256.0*256.0 );
1564    }else
1565    {
1566        f =1.0 +  (x_mantissa*1.0)/(1u<<x_mantissa_len);
1567    }
1568    double m=1.0;
1569    int i;
1570    if (x_exp<0)
1571    {
1572        for(i=0;i<-x_exp;i++)
1573            m = m * 2;
1574
1575        f = f/m;
1576    }
1577    else
1578    {
1579        for(i=0;i<x_exp;i++)
1580            m = m * 2;
1581
1582        f= f * m;
1583    }
1584    if (x_sign==1)
1585    {
1586        f= -f;
1587    }
1588};
1589
1590Void SEIReader::xParseSEIDepthRepresentationInfo(SEIDepthRepresentationInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1591{
1592    UInt code;
1593    double zNear,zFar,dMin,dMax;
1594    bool zNearFlag,zFarFlag,dMinFlag,dMaxFlag;
1595    int depth_representation_type,disparityRefViewId,depthNonlinearRepresentationNumMinus1;
1596    std::vector<int> DepthNonlinearRepresentationModel;
1597
1598    sei.clear();
1599
1600    output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1601
1602    sei_read_flag( pDecodedMessageOutputStream, code, "z_near_flag" );    zNearFlag  = (code == 1);
1603    sei_read_flag( pDecodedMessageOutputStream, code, "z_far_flag" );     zFarFlag = (code == 1);
1604    sei_read_flag( pDecodedMessageOutputStream, code, "d_min_flag" );     dMinFlag = (code == 1);
1605    sei_read_flag( pDecodedMessageOutputStream, code, "d_max_flag" );     dMaxFlag = (code == 1);
1606    sei_read_uvlc( pDecodedMessageOutputStream, code, "depth_representation_type" ); depth_representation_type = code;
1607
1608    sei.m_zNearFlag.push_back(zNearFlag);
1609    sei.m_zFarFlag.push_back(zFarFlag);
1610    sei.m_dMinFlag.push_back(dMinFlag);
1611    sei.m_dMaxFlag.push_back(dMaxFlag);
1612
1613    sei.m_depthRepresentationType.push_back(IntAry1d(1,depth_representation_type));
1614
1615    if( dMinFlag  ||  dMaxFlag )
1616    {
1617        sei_read_uvlc( pDecodedMessageOutputStream, code, "disparity_ref_view_id" ); disparityRefViewId = code;
1618        sei.m_disparityRefViewId.push_back(IntAry1d(1,disparityRefViewId));
1619    }
1620    if( zNearFlag )
1621    {
1622        xParseSEIDepthRepInfoElement(zNear , pDecodedMessageOutputStream);
1623        sei.m_zNear.push_back(std::vector<double>(1,zNear));
1624    }
1625    if( zFarFlag )
1626    {
1627        xParseSEIDepthRepInfoElement(zFar , pDecodedMessageOutputStream);
1628        sei.m_zFar.push_back(std::vector<double>(1,zFar));
1629    }
1630    if( dMinFlag )
1631    {
1632        xParseSEIDepthRepInfoElement(dMin , pDecodedMessageOutputStream);
1633        sei.m_dMin.push_back(std::vector<double>(1,dMin));
1634    }
1635    if( dMaxFlag )
1636    {
1637        xParseSEIDepthRepInfoElement(dMax , pDecodedMessageOutputStream);
1638        sei.m_dMax.push_back(std::vector<double>(1,dMax));
1639    }
1640    if( depth_representation_type  ==  3 )
1641    {
1642        sei_read_uvlc( pDecodedMessageOutputStream, code, "depth_nonlinear_representation_num_minus1" ); depthNonlinearRepresentationNumMinus1 = code;
1643        sei.m_depthNonlinearRepresentationNumMinus1.push_back(IntAry1d(1,depthNonlinearRepresentationNumMinus1));
1644        for( Int i = 1; i  <=  depthNonlinearRepresentationNumMinus1 + 1; i++ )
1645        {
1646            sei_read_uvlc(pDecodedMessageOutputStream,code,"DepthNonlinearRepresentationModel" ) ;
1647            DepthNonlinearRepresentationModel.push_back(code);
1648        }
1649
1650        sei.m_depth_nonlinear_representation_model.push_back(DepthNonlinearRepresentationModel);
1651    }
1652}
1653
1654Void SEIReader::xParseSEIMultiviewSceneInfo(SEIMultiviewSceneInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1655{
1656  UInt  code;
1657  Int  sCode;
1658  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1659
1660  sei_read_svlc( pDecodedMessageOutputStream, sCode, "min_disparity" )      ; sei.m_minDisparity      = sCode;
1661  sei_read_uvlc( pDecodedMessageOutputStream, code , "max_disparity_range" ); sei.m_maxDisparityRange = code;
1662};
1663
1664Void SEIReader::xParseSEIMultiviewAcquisitionInfo(SEIMultiviewAcquisitionInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1665{
1666  UInt code;
1667  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1668
1669  sei.resizeArrays( );
1670  sei_read_flag( pDecodedMessageOutputStream, code, "intrinsic_param_flag" ); sei.m_intrinsicParamFlag = (code == 1);
1671  sei_read_flag( pDecodedMessageOutputStream, code, "extrinsic_param_flag" ); sei.m_extrinsicParamFlag = (code == 1);
1672  if( sei.m_intrinsicParamFlag )
1673  {
1674    sei_read_flag( pDecodedMessageOutputStream, code, "intrinsic_params_equal_flag" ); sei.m_intrinsicParamsEqualFlag = (code == 1);
1675    sei_read_uvlc( pDecodedMessageOutputStream, code, "prec_focal_length"           ); sei.m_precFocalLength          =  code      ;
1676    sei_read_uvlc( pDecodedMessageOutputStream, code, "prec_principal_point"        ); sei.m_precPrincipalPoint       =  code      ;
1677    sei_read_uvlc( pDecodedMessageOutputStream, code, "prec_skew_factor"            ); sei.m_precSkewFactor           =  code      ;
1678
1679    for( Int i = 0; i  <=  ( sei.m_intrinsicParamsEqualFlag ? 0 : sei.getNumViewsMinus1() ); i++ )
1680    {
1681      sei_read_flag( pDecodedMessageOutputStream,                                         code, "sign_focal_length_x"        ); sei.m_signFocalLengthX       [i] = (code == 1);
1682      sei_read_code( pDecodedMessageOutputStream, 6,                                      code, "exponent_focal_length_x"    ); sei.m_exponentFocalLengthX   [i] =  code      ;
1683      sei_read_code( pDecodedMessageOutputStream, sei.getMantissaFocalLengthXLen   ( i ), code, "mantissa_focal_length_x"    ); sei.m_mantissaFocalLengthX   [i] =  code      ;
1684      sei_read_flag( pDecodedMessageOutputStream,                                         code, "sign_focal_length_y"        ); sei.m_signFocalLengthY       [i] = (code == 1);
1685      sei_read_code( pDecodedMessageOutputStream, 6,                                      code, "exponent_focal_length_y"    ); sei.m_exponentFocalLengthY   [i] =  code      ;
1686      sei_read_code( pDecodedMessageOutputStream, sei.getMantissaFocalLengthYLen   ( i ), code, "mantissa_focal_length_y"    ); sei.m_mantissaFocalLengthY   [i] =  code      ;
1687      sei_read_flag( pDecodedMessageOutputStream,                                         code, "sign_principal_point_x"     ); sei.m_signPrincipalPointX    [i] = (code == 1);
1688      sei_read_code( pDecodedMessageOutputStream, 6,                                      code, "exponent_principal_point_x" ); sei.m_exponentPrincipalPointX[i] =  code      ;
1689      sei_read_code( pDecodedMessageOutputStream, sei.getMantissaPrincipalPointXLen( i ), code, "mantissa_principal_point_x" ); sei.m_mantissaPrincipalPointX[i] =  code      ;
1690      sei_read_flag( pDecodedMessageOutputStream,                                         code, "sign_principal_point_y"     ); sei.m_signPrincipalPointY    [i] = (code == 1);
1691      sei_read_code( pDecodedMessageOutputStream, 6,                                      code, "exponent_principal_point_y" ); sei.m_exponentPrincipalPointY[i] =  code      ;
1692      sei_read_code( pDecodedMessageOutputStream, sei.getMantissaPrincipalPointYLen( i ), code, "mantissa_principal_point_y" ); sei.m_mantissaPrincipalPointY[i] =  code      ;
1693      sei_read_flag( pDecodedMessageOutputStream,                                         code, "sign_skew_factor"           ); sei.m_signSkewFactor         [i] = (code == 1);
1694      sei_read_code( pDecodedMessageOutputStream, 6,                                      code, "exponent_skew_factor"       ); sei.m_exponentSkewFactor     [i] =  code      ;
1695      sei_read_code( pDecodedMessageOutputStream, sei.getMantissaSkewFactorLen     ( i ), code, "mantissa_skew_factor"       ); sei.m_mantissaSkewFactor     [i] =  code      ;
1696    }
1697  }
1698  if( sei.m_extrinsicParamFlag )
1699  {
1700    sei_read_uvlc( pDecodedMessageOutputStream, code, "prec_rotation_param"    ); sei.m_precRotationParam    = code;
1701    sei_read_uvlc( pDecodedMessageOutputStream, code, "prec_translation_param" ); sei.m_precTranslationParam = code;
1702
1703    for( Int i = 0; i  <=  sei.getNumViewsMinus1(); i++ )
1704    {
1705      for( Int j = 0; j  <=  2; j++ )  /* row */
1706      {
1707        for( Int k = 0; k  <=  2; k++ )  /* column */
1708        {
1709          sei_read_flag( pDecodedMessageOutputStream,                                 code, "sign_r"     ); sei.m_signR    [i][j][k] = (code == 1);
1710          sei_read_code( pDecodedMessageOutputStream, 6,                              code, "exponent_r" ); sei.m_exponentR[i][j][k] =  code      ;
1711          sei_read_code( pDecodedMessageOutputStream, sei.getMantissaRLen( i, j, k ), code, "mantissa_r" ); sei.m_mantissaR[i][j][k] =  code      ;
1712        }
1713        sei_read_flag( pDecodedMessageOutputStream,                              code, "sign_t"     ); sei.m_signT    [i][j] = (code == 1);
1714        sei_read_code( pDecodedMessageOutputStream, 6,                           code, "exponent_t" ); sei.m_exponentT[i][j] =  code      ;
1715        sei_read_code( pDecodedMessageOutputStream, sei.getMantissaTLen( i, j ), code, "mantissa_t" ); sei.m_mantissaT[i][j] =  code      ;
1716      }
1717    }
1718  }
1719};
1720
1721
1722
1723Void SEIReader::xParseSEIMultiviewViewPosition(SEIMultiviewViewPosition& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1724{
1725  UInt code;
1726  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1727
1728  sei_read_uvlc( pDecodedMessageOutputStream, code, "num_views_minus1" ); sei.m_numViewsMinus1 = code;
1729  sei.m_viewPosition.resize( sei.m_numViewsMinus1 + 1 );
1730  for( Int i = 0; i  <=  sei.m_numViewsMinus1; i++ )
1731  {
1732    sei_read_uvlc( pDecodedMessageOutputStream, code, "view_position" ); sei.m_viewPosition[i] = code;
1733  }
1734};
1735
1736#endif
1737
1738//! \}
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