source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibDecoder/SEIread.cpp @ 1353

Last change on this file since 1353 was 1352, checked in by seregin, 9 years ago

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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 Char *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 Char *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 Char *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 Char *pSymbolName)
93{
94  READ_FLAG(ruiCode, pSymbolName);
95  if (pOS)
96  {
97    (*pOS) << "  " << std::setw(55) << pSymbolName << ": " << (ruiCode?1:0) << "\n";
98  }
99}
100
101static inline Void output_sei_message_header(SEI &sei, std::ostream *pDecodedMessageOutputStream, UInt payloadSize)
102{
103  if (pDecodedMessageOutputStream)
104  {
105    std::string seiMessageHdr(SEI::getSEIMessageString(sei.payloadType())); seiMessageHdr+=" SEI message";
106    (*pDecodedMessageOutputStream) << std::setfill('-') << std::setw(seiMessageHdr.size()) << "-" << std::setfill(' ') << "\n" << seiMessageHdr << " (" << payloadSize << " bytes)"<< "\n";
107  }
108}
109
110#undef READ_CODE
111#undef READ_SVLC
112#undef READ_UVLC
113#undef READ_FLAG
114
115
116/**
117 * unmarshal a single SEI message from bitstream bs
118 */
119#if LAYERS_NOT_PRESENT_SEI
120Void SEIReader::parseSEImessage(TComInputBitstream* bs, SEIMessages& seis, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
121#else
122Void SEIReader::parseSEImessage(TComInputBitstream* bs, SEIMessages& seis, const NalUnitType nalUnitType, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
123#endif
124{
125  setBitstream(bs);
126
127  assert(!m_pcBitstream->getNumBitsUntilByteAligned());
128  do
129  {
130#if LAYERS_NOT_PRESENT_SEI
131    xReadSEImessage(seis, nalUnitType, vps, sps, pDecodedMessageOutputStream);
132#else
133    xReadSEImessage(seis, nalUnitType, sps, pDecodedMessageOutputStream);
134#endif
135    /* SEI messages are an integer number of bytes, something has failed
136    * in the parsing if bitstream not byte-aligned */
137    assert(!m_pcBitstream->getNumBitsUntilByteAligned());
138  }
139  while (m_pcBitstream->getNumBitsLeft() > 8);
140
141  xReadRbspTrailingBits();
142}
143
144#if O0164_MULTI_LAYER_HRD
145#if LAYERS_NOT_PRESENT_SEI
146Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream, const SEIScalableNesting *nestingSei, const SEIBspNesting *bspNestingSei)
147#else
148Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream, const SEIScalableNesting *nestingSei)
149#endif
150#else
151#if LAYERS_NOT_PRESENT_SEI
152Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
153#else
154Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
155#endif
156#endif
157{
158#if ENC_DEC_TRACE
159  xTraceSEIHeader();
160#endif
161  Int payloadType = 0;
162  UInt val = 0;
163
164  do
165  {
166    sei_read_code(NULL, 8, val, "payload_type");
167    payloadType += val;
168  } while (val==0xFF);
169
170  UInt payloadSize = 0;
171  do
172  {
173    sei_read_code(NULL, 8, val, "payload_size");
174    payloadSize += val;
175  } while (val==0xFF);
176
177#if ENC_DEC_TRACE
178  xTraceSEIMessageType((SEI::PayloadType)payloadType);
179#endif
180
181  /* extract the payload for this single SEI message.
182   * This allows greater safety in erroneous parsing of an SEI message
183   * from affecting subsequent messages.
184   * After parsing the payload, bs needs to be restored as the primary
185   * bitstream.
186   */
187  TComInputBitstream *bs = getBitstream();
188  setBitstream(bs->extractSubstream(payloadSize * 8));
189
190  SEI *sei = NULL;
191
192  if(nalUnitType == NAL_UNIT_PREFIX_SEI)
193  {
194    switch (payloadType)
195    {
196    case SEI::USER_DATA_UNREGISTERED:
197      sei = new SEIuserDataUnregistered;
198      xParseSEIuserDataUnregistered((SEIuserDataUnregistered&) *sei, payloadSize, pDecodedMessageOutputStream);
199      break;
200    case SEI::ACTIVE_PARAMETER_SETS:
201      sei = new SEIActiveParameterSets;
202      xParseSEIActiveParameterSets((SEIActiveParameterSets&) *sei, payloadSize, pDecodedMessageOutputStream);
203      break;
204    case SEI::DECODING_UNIT_INFO:
205      if (!sps)
206      {
207        printf ("Warning: Found Decoding unit SEI message, but no active SPS is available. Ignoring.");
208      }
209      else
210      {
211        sei = new SEIDecodingUnitInfo;
212#if SVC_EXTENSION
213        xParseSEIDecodingUnitInfo((SEIDecodingUnitInfo&) *sei, payloadSize, sps, nestingSei, bspNestingSei, vps, pDecodedMessageOutputStream);
214#else       
215        xParseSEIDecodingUnitInfo((SEIDecodingUnitInfo&) *sei, payloadSize, sps, pDecodedMessageOutputStream);
216#endif
217      }
218      break;
219    case SEI::BUFFERING_PERIOD:
220      if (!sps)
221      {
222        printf ("Warning: Found Buffering period SEI message, but no active SPS is available. Ignoring.");
223      }
224      else
225      {
226        sei = new SEIBufferingPeriod;
227#if SVC_EXTENSION
228        xParseSEIBufferingPeriod((SEIBufferingPeriod&) *sei, payloadSize, sps, nestingSei, bspNestingSei, vps, pDecodedMessageOutputStream);
229#else
230        xParseSEIBufferingPeriod((SEIBufferingPeriod&) *sei, payloadSize, sps, pDecodedMessageOutputStream);
231#endif
232      }
233      break;
234    case SEI::PICTURE_TIMING:
235      if (!sps)
236      {
237        printf ("Warning: Found Picture timing SEI message, but no active SPS is available. Ignoring.");
238      }
239      else
240      {
241        sei = new SEIPictureTiming;
242#if SVC_EXTENSION
243        xParseSEIPictureTiming((SEIPictureTiming&)*sei, payloadSize, sps, nestingSei, bspNestingSei, vps, pDecodedMessageOutputStream);
244#else
245        xParseSEIPictureTiming((SEIPictureTiming&)*sei, payloadSize, sps, pDecodedMessageOutputStream);
246#endif
247      }
248      break;
249    case SEI::RECOVERY_POINT:
250      sei = new SEIRecoveryPoint;
251      xParseSEIRecoveryPoint((SEIRecoveryPoint&) *sei, payloadSize, pDecodedMessageOutputStream);
252      break;
253    case SEI::FRAME_PACKING:
254      sei = new SEIFramePacking;
255      xParseSEIFramePacking((SEIFramePacking&) *sei, payloadSize, pDecodedMessageOutputStream);
256      break;
257    case SEI::SEGM_RECT_FRAME_PACKING:
258      sei = new SEISegmentedRectFramePacking;
259      xParseSEISegmentedRectFramePacking((SEISegmentedRectFramePacking&) *sei, payloadSize, pDecodedMessageOutputStream);
260      break;
261    case SEI::DISPLAY_ORIENTATION:
262      sei = new SEIDisplayOrientation;
263      xParseSEIDisplayOrientation((SEIDisplayOrientation&) *sei, payloadSize, pDecodedMessageOutputStream);
264      break;
265    case SEI::TEMPORAL_LEVEL0_INDEX:
266      sei = new SEITemporalLevel0Index;
267      xParseSEITemporalLevel0Index((SEITemporalLevel0Index&) *sei, payloadSize, pDecodedMessageOutputStream);
268      break;
269    case SEI::REGION_REFRESH_INFO:
270      sei = new SEIGradualDecodingRefreshInfo;
271      xParseSEIRegionRefreshInfo((SEIGradualDecodingRefreshInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
272      break;
273    case SEI::NO_DISPLAY:
274      sei = new SEINoDisplay;
275      xParseSEINoDisplay((SEINoDisplay&) *sei, payloadSize, pDecodedMessageOutputStream);
276      break;
277    case SEI::TONE_MAPPING_INFO:
278      sei = new SEIToneMappingInfo;
279      xParseSEIToneMappingInfo((SEIToneMappingInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
280      break;
281    case SEI::SOP_DESCRIPTION:
282      sei = new SEISOPDescription;
283      xParseSEISOPDescription((SEISOPDescription&) *sei, payloadSize, pDecodedMessageOutputStream);
284      break;
285    case SEI::SCALABLE_NESTING:
286      sei = new SEIScalableNesting;
287#if LAYERS_NOT_PRESENT_SEI
288      xParseSEIScalableNesting((SEIScalableNesting&) *sei, nalUnitType, payloadSize, vps, sps, pDecodedMessageOutputStream);
289#else
290      xParseSEIScalableNesting((SEIScalableNesting&) *sei, nalUnitType, payloadSize, sps, pDecodedMessageOutputStream);
291#endif
292      break;
293    case SEI::TEMP_MOTION_CONSTRAINED_TILE_SETS:
294      sei = new SEITempMotionConstrainedTileSets;
295      xParseSEITempMotionConstraintsTileSets((SEITempMotionConstrainedTileSets&) *sei, payloadSize, pDecodedMessageOutputStream);
296      break;
297    case SEI::TIME_CODE:
298      sei = new SEITimeCode;
299      xParseSEITimeCode((SEITimeCode&) *sei, payloadSize, pDecodedMessageOutputStream);
300      break;
301    case SEI::CHROMA_SAMPLING_FILTER_HINT:
302      sei = new SEIChromaSamplingFilterHint;
303      xParseSEIChromaSamplingFilterHint((SEIChromaSamplingFilterHint&) *sei, payloadSize/*, sps*/, pDecodedMessageOutputStream);
304      //}
305      break;
306    case SEI::KNEE_FUNCTION_INFO:
307      sei = new SEIKneeFunctionInfo;
308      xParseSEIKneeFunctionInfo((SEIKneeFunctionInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
309      break;
310    case SEI::MASTERING_DISPLAY_COLOUR_VOLUME:
311      sei = new SEIMasteringDisplayColourVolume;
312      xParseSEIMasteringDisplayColourVolume((SEIMasteringDisplayColourVolume&) *sei, payloadSize, pDecodedMessageOutputStream);
313      break;
314#if Q0074_COLOUR_REMAPPING_SEI
315    case SEI::COLOUR_REMAPPING_INFO:
316      sei = new SEIColourRemappingInfo;
317      xParseSEIColourRemappingInfo((SEIColourRemappingInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
318      break;
319#endif
320#if SVC_EXTENSION
321#if LAYERS_NOT_PRESENT_SEI
322    case SEI::LAYERS_NOT_PRESENT:
323      if (!vps)
324      {
325        printf ("Warning: Found Layers not present SEI message, but no active VPS is available. Ignoring.");
326      }
327      else
328      {
329        sei = new SEILayersNotPresent;
330        xParseSEILayersNotPresent((SEILayersNotPresent&) *sei, payloadSize, vps, pDecodedMessageOutputStream);
331      }
332      break;
333#endif
334#if N0383_IL_CONSTRAINED_TILE_SETS_SEI
335    case SEI::INTER_LAYER_CONSTRAINED_TILE_SETS:
336      sei = new SEIInterLayerConstrainedTileSets;
337      xParseSEIInterLayerConstrainedTileSets((SEIInterLayerConstrainedTileSets&) *sei, payloadSize, pDecodedMessageOutputStream);
338      break;
339#endif
340#if SUB_BITSTREAM_PROPERTY_SEI
341    case SEI::SUB_BITSTREAM_PROPERTY:
342      sei = new SEISubBitstreamProperty;
343      xParseSEISubBitstreamProperty((SEISubBitstreamProperty&) *sei, vps, pDecodedMessageOutputStream);
344      break;
345#endif
346#if O0164_MULTI_LAYER_HRD
347    case SEI::BSP_NESTING:
348      sei = new SEIBspNesting;
349#if LAYERS_NOT_PRESENT_SEI
350      xParseSEIBspNesting((SEIBspNesting&) *sei, nalUnitType, vps, sps, *nestingSei, pDecodedMessageOutputStream);
351#else
352      xParseSEIBspNesting((SEIBspNesting&) *sei, nalUnitType, sps, *nestingSei, pDecodedMessageOutputStream);
353#endif
354      break;
355    case SEI::BSP_INITIAL_ARRIVAL_TIME:
356      sei = new SEIBspInitialArrivalTime;
357      xParseSEIBspInitialArrivalTime((SEIBspInitialArrivalTime&) *sei, vps, sps, *nestingSei, *bspNestingSei, pDecodedMessageOutputStream);
358      break;
359#endif
360#if Q0189_TMVP_CONSTRAINTS
361    case SEI::TMVP_CONSTRAINTS:
362      sei =  new SEITMVPConstrains;
363      xParseSEITMVPConstraints((SEITMVPConstrains&) *sei, payloadSize, pDecodedMessageOutputStream);
364      break;
365#endif
366#if Q0247_FRAME_FIELD_INFO
367    case SEI::FRAME_FIELD_INFO:
368      sei =  new SEIFrameFieldInfo;
369      xParseSEIFrameFieldInfo    ((SEIFrameFieldInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
370      break;
371#endif
372#if P0123_ALPHA_CHANNEL_SEI
373    case SEI::ALPHA_CHANNEL_INFO:
374      sei = new SEIAlphaChannelInfo;
375      xParseSEIAlphaChannelInfo((SEIAlphaChannelInfo &) *sei, payloadSize, pDecodedMessageOutputStream);
376      break;
377#endif
378#if Q0096_OVERLAY_SEI
379    case SEI::OVERLAY_INFO:
380      sei = new SEIOverlayInfo;
381      xParseSEIOverlayInfo((SEIOverlayInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
382      break;
383#endif
384#endif //SVC_EXTENSION
385    default:
386      for (UInt i = 0; i < payloadSize; i++)
387      {
388        UInt seiByte;
389        sei_read_code (NULL, 8, seiByte, "unknown prefix SEI payload byte");
390      }
391      printf ("Unknown prefix SEI message (payloadType = %d) was found!\n", payloadType);
392      if (pDecodedMessageOutputStream)
393      {
394        (*pDecodedMessageOutputStream) << "Unknown prefix SEI message (payloadType = " << payloadType << ") was found!\n";
395      }
396      break;
397    }
398  }
399  else
400  {
401    switch (payloadType)
402    {
403      case SEI::USER_DATA_UNREGISTERED:
404        sei = new SEIuserDataUnregistered;
405        xParseSEIuserDataUnregistered((SEIuserDataUnregistered&) *sei, payloadSize, pDecodedMessageOutputStream);
406        break;
407      case SEI::DECODED_PICTURE_HASH:
408        sei = new SEIDecodedPictureHash;
409        xParseSEIDecodedPictureHash((SEIDecodedPictureHash&) *sei, payloadSize, pDecodedMessageOutputStream);
410        break;
411      default:
412        for (UInt i = 0; i < payloadSize; i++)
413        {
414          UInt seiByte;
415          sei_read_code( NULL, 8, seiByte, "unknown suffix SEI payload byte");
416        }
417        printf ("Unknown suffix SEI message (payloadType = %d) was found!\n", payloadType);
418        if (pDecodedMessageOutputStream)
419        {
420          (*pDecodedMessageOutputStream) << "Unknown suffix SEI message (payloadType = " << payloadType << ") was found!\n";
421        }
422        break;
423    }
424  }
425
426  if (sei != NULL)
427  {
428    seis.push_back(sei);
429  }
430
431  /* By definition the underlying bitstream terminates in a byte-aligned manner.
432   * 1. Extract all bar the last MIN(bitsremaining,nine) bits as reserved_payload_extension_data
433   * 2. Examine the final 8 bits to determine the payload_bit_equal_to_one marker
434   * 3. Extract the remainingreserved_payload_extension_data bits.
435   *
436   * If there are fewer than 9 bits available, extract them.
437   */
438  Int payloadBitsRemaining = getBitstream()->getNumBitsLeft();
439  if (payloadBitsRemaining) /* more_data_in_payload() */
440  {
441    for (; payloadBitsRemaining > 9; payloadBitsRemaining--)
442    {
443      UInt reservedPayloadExtensionData;
444      sei_read_code ( pDecodedMessageOutputStream, 1, reservedPayloadExtensionData, "reserved_payload_extension_data");
445    }
446
447    /* 2 */
448    Int finalBits = getBitstream()->peekBits(payloadBitsRemaining);
449    Int finalPayloadBits = 0;
450    for (Int mask = 0xff; finalBits & (mask >> finalPayloadBits); finalPayloadBits++)
451    {
452      continue;
453    }
454
455    /* 3 */
456    for (; payloadBitsRemaining > 9 - finalPayloadBits; payloadBitsRemaining--)
457    {
458      UInt reservedPayloadExtensionData;
459      sei_read_flag ( 0, reservedPayloadExtensionData, "reserved_payload_extension_data");
460    }
461
462    UInt dummy;
463    sei_read_flag( 0, dummy, "payload_bit_equal_to_one"); payloadBitsRemaining--;
464    while (payloadBitsRemaining)
465    {
466      sei_read_flag( 0, dummy, "payload_bit_equal_to_zero"); payloadBitsRemaining--;
467    }
468  }
469
470  /* restore primary bitstream for sei_message */
471  delete getBitstream();
472  setBitstream(bs);
473}
474
475/**
476 * parse bitstream bs and unpack a user_data_unregistered SEI message
477 * of payloasSize bytes into sei.
478 */
479
480Void SEIReader::xParseSEIuserDataUnregistered(SEIuserDataUnregistered &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
481{
482  assert(payloadSize >= ISO_IEC_11578_LEN);
483  UInt val;
484  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
485
486  for (UInt i = 0; i < ISO_IEC_11578_LEN; i++)
487  {
488    sei_read_code( pDecodedMessageOutputStream, 8, val, "uuid_iso_iec_11578");
489    sei.uuid_iso_iec_11578[i] = val;
490  }
491
492  sei.userDataLength = payloadSize - ISO_IEC_11578_LEN;
493  if (!sei.userDataLength)
494  {
495    sei.userData = 0;
496    return;
497  }
498
499  sei.userData = new UChar[sei.userDataLength];
500  for (UInt i = 0; i < sei.userDataLength; i++)
501  {
502    sei_read_code( NULL, 8, val, "user_data_payload_byte" );
503    sei.userData[i] = val;
504  }
505  if (pDecodedMessageOutputStream)
506  {
507    (*pDecodedMessageOutputStream) << "  User data payload size: " << sei.userDataLength << "\n";
508  }
509}
510
511/**
512 * parse bitstream bs and unpack a decoded picture hash SEI message
513 * of payloadSize bytes into sei.
514 */
515Void SEIReader::xParseSEIDecodedPictureHash(SEIDecodedPictureHash& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
516{
517  UInt bytesRead = 0;
518  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
519
520  UInt val;
521  sei_read_code( pDecodedMessageOutputStream, 8, val, "hash_type");
522  sei.method = static_cast<SEIDecodedPictureHash::Method>(val); bytesRead++;
523
524  const Char *traceString="\0";
525  switch (sei.method)
526  {
527    case SEIDecodedPictureHash::MD5: traceString="picture_md5"; break;
528    case SEIDecodedPictureHash::CRC: traceString="picture_crc"; break;
529    case SEIDecodedPictureHash::CHECKSUM: traceString="picture_checksum"; break;
530    default: assert(false); break;
531  }
532
533  if (pDecodedMessageOutputStream)
534  {
535    (*pDecodedMessageOutputStream) << "  " << std::setw(55) << traceString << ": " << std::hex << std::setfill('0');
536  }
537
538  sei.m_pictureHash.hash.clear();
539  for(;bytesRead < payloadSize; bytesRead++)
540  {
541    sei_read_code( NULL, 8, val, traceString);
542    sei.m_pictureHash.hash.push_back((UChar)val);
543    if (pDecodedMessageOutputStream)
544    {
545      (*pDecodedMessageOutputStream) << std::setw(2) << val;
546    }
547  }
548
549  if (pDecodedMessageOutputStream)
550  {
551    (*pDecodedMessageOutputStream) << std::dec << std::setfill(' ') << "\n";
552  }
553}
554
555Void SEIReader::xParseSEIActiveParameterSets(SEIActiveParameterSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
556{
557  UInt val; 
558  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
559
560  sei_read_code( pDecodedMessageOutputStream, 4, val, "active_video_parameter_set_id");   sei.activeVPSId = val;
561  sei_read_flag( pDecodedMessageOutputStream,    val, "self_contained_cvs_flag");         sei.m_selfContainedCvsFlag     = (val != 0);
562  sei_read_flag( pDecodedMessageOutputStream,    val, "no_parameter_set_update_flag");    sei.m_noParameterSetUpdateFlag = (val != 0);
563  sei_read_uvlc( pDecodedMessageOutputStream,    val, "num_sps_ids_minus1");              sei.numSpsIdsMinus1 = val;
564
565  sei.activeSeqParameterSetId.resize(sei.numSpsIdsMinus1 + 1);
566#if R0247_SEI_ACTIVE
567  sei.layerSpsIdx.resize(sei.numSpsIdsMinus1 + 1);
568#endif
569  for (Int i=0; i < (sei.numSpsIdsMinus1 + 1); i++)
570  {
571    sei_read_uvlc( pDecodedMessageOutputStream, val, "active_seq_parameter_set_id[i]");    sei.activeSeqParameterSetId[i] = val;
572  }
573#if R0247_SEI_ACTIVE
574  for (Int i=1; i < (sei.numSpsIdsMinus1 + 1); i++)
575  {
576    sei_read_uvlc( pDecodedMessageOutputStream, val, "layer_sps_idx"); sei.layerSpsIdx[i] = val; 
577  }
578#endif 
579}
580
581#if SVC_EXTENSION
582Void SEIReader::xParseSEIDecodingUnitInfo(SEIDecodingUnitInfo& sei, UInt payloadSize, const TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
583#else
584Void SEIReader::xParseSEIDecodingUnitInfo(SEIDecodingUnitInfo& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
585#endif
586{
587  UInt val;
588  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
589  sei_read_uvlc( pDecodedMessageOutputStream, val, "decoding_unit_idx");
590  sei.m_decodingUnitIdx = val;
591
592#if SVC_EXTENSION
593  const TComHRD *hrd;
594  if( bspNestingSei )   // If DU info SEI contained inside a BSP nesting SEI message
595  {
596    assert( nestingSei );
597    Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx;
598    Int seiOlsIdx = bspNestingSei->m_seiOlsIdx;
599    Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1;
600    Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
601    std::vector<Int> hrdIdx(maxValues, 0);
602    std::vector<const TComHRD*> hrdVec;
603    std::vector<Int> syntaxElemLen(maxValues, 0);
604    for(Int i = 0; i < maxValues; i++)
605    {
606      hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx);
607      hrdVec.push_back(vps->getBspHrd(hrdIdx[i]));
608   
609      syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
610      if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
611      {
612        assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23
613      }
614      if( i > 0 )
615      {
616        assert( hrdVec[i]->getSubPicCpbParamsPresentFlag()    == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() );
617        assert( hrdVec[i]->getSubPicCpbParamsInPicTimingSEIFlag()   == hrdVec[i-1]->getSubPicCpbParamsInPicTimingSEIFlag() );
618        assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() );
619        // To be done: Check CpbDpbDelaysPresentFlag
620      }
621    }
622    hrd = hrdVec[0];
623  }
624  else
625  {
626    const TComVUI *vui = sps->getVuiParameters();
627    hrd = vui->getHrdParameters();
628  }
629
630  if(hrd->getSubPicCpbParamsInPicTimingSEIFlag())
631  {
632    sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), val, "du_spt_cpb_removal_delay_increment");
633    sei.m_duSptCpbRemovalDelay = val;
634  }
635  else
636  {
637    sei.m_duSptCpbRemovalDelay = 0;
638  }
639  sei_read_flag( pDecodedMessageOutputStream, val, "dpb_output_du_delay_present_flag"); sei.m_dpbOutputDuDelayPresentFlag = (val != 0);
640  if(sei.m_dpbOutputDuDelayPresentFlag)
641  {
642    sei_read_code( pDecodedMessageOutputStream, hrd->getDpbOutputDelayDuLengthMinus1() + 1, val, "pic_spt_dpb_output_du_delay");
643    sei.m_picSptDpbOutputDuDelay = val;
644  }
645#else
646  const TComVUI *vui = sps->getVuiParameters();
647  if(vui->getHrdParameters()->getSubPicCpbParamsInPicTimingSEIFlag())
648  {
649    sei_read_code( pDecodedMessageOutputStream, ( vui->getHrdParameters()->getDuCpbRemovalDelayLengthMinus1() + 1 ), val, "du_spt_cpb_removal_delay_increment");
650    sei.m_duSptCpbRemovalDelay = val;
651  }
652  else
653  {
654    sei.m_duSptCpbRemovalDelay = 0;
655  }
656  sei_read_flag( pDecodedMessageOutputStream, val, "dpb_output_du_delay_present_flag"); sei.m_dpbOutputDuDelayPresentFlag = (val != 0);
657  if(sei.m_dpbOutputDuDelayPresentFlag)
658  {
659    sei_read_code( pDecodedMessageOutputStream, vui->getHrdParameters()->getDpbOutputDelayDuLengthMinus1() + 1, val, "pic_spt_dpb_output_du_delay");
660    sei.m_picSptDpbOutputDuDelay = val;
661  }
662#endif
663}
664
665#if SVC_EXTENSION
666Void SEIReader::xParseSEIBufferingPeriod(SEIBufferingPeriod& sei, UInt payloadSize, const TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
667#else
668Void SEIReader::xParseSEIBufferingPeriod(SEIBufferingPeriod& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
669#endif
670{
671  Int i, nalOrVcl;
672  UInt code;
673
674#if SVC_EXTENSION
675  const TComHRD *pHRD;
676  if( bspNestingSei )   // If BP SEI contained inside a BSP nesting SEI message
677  {
678    assert( nestingSei );
679    Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx;
680    Int seiOlsIdx = bspNestingSei->m_seiOlsIdx;
681    Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1;
682    Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
683    std::vector<Int> hrdIdx(maxValues, 0);
684    std::vector<const TComHRD*> hrdVec;
685    std::vector<Int> syntaxElemLen(maxValues, 0);
686    for(i = 0; i < maxValues; i++)
687    {
688      hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx);
689      hrdVec.push_back(vps->getBspHrd(hrdIdx[i]));
690   
691      syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
692      if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
693      {
694        assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23
695      }
696      if( i > 0 )
697      {
698        assert( hrdVec[i]->getCpbRemovalDelayLengthMinus1()   == hrdVec[i-1]->getCpbRemovalDelayLengthMinus1() );
699        assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() );
700        assert( hrdVec[i]->getSubPicCpbParamsPresentFlag()    == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() );
701      }
702    }
703    pHRD = hrdVec[i];
704  }
705  else
706  {
707    const TComVUI *vui = sps->getVuiParameters();
708    pHRD = vui->getHrdParameters();
709  }
710  // To be done: When contained in an BSP HRD SEI message, the hrd structure is to be chosen differently.
711#else
712  const TComVUI *pVUI = sps->getVuiParameters();
713  const TComHRD *pHRD = pVUI->getHrdParameters();
714#endif
715
716  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
717
718  sei_read_uvlc( pDecodedMessageOutputStream, code, "bp_seq_parameter_set_id" );                         sei.m_bpSeqParameterSetId     = code;
719  if( !pHRD->getSubPicCpbParamsPresentFlag() )
720  {
721    sei_read_flag( pDecodedMessageOutputStream, code, "irap_cpb_params_present_flag" );                   sei.m_rapCpbParamsPresentFlag = code;
722  }
723  if( sei.m_rapCpbParamsPresentFlag )
724  {
725    sei_read_code( pDecodedMessageOutputStream, pHRD->getCpbRemovalDelayLengthMinus1() + 1, code, "cpb_delay_offset" );      sei.m_cpbDelayOffset = code;
726    sei_read_code( pDecodedMessageOutputStream, pHRD->getDpbOutputDelayLengthMinus1()  + 1, code, "dpb_delay_offset" );      sei.m_dpbDelayOffset = code;
727  }
728
729  //read splicing flag and cpb_removal_delay_delta
730  sei_read_flag( pDecodedMessageOutputStream, code, "concatenation_flag");
731  sei.m_concatenationFlag = code;
732  sei_read_code( pDecodedMessageOutputStream, ( pHRD->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_delta_minus1" );
733  sei.m_auCpbRemovalDelayDelta = code + 1;
734
735  for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
736  {
737    if( ( ( nalOrVcl == 0 ) && ( pHRD->getNalHrdParametersPresentFlag() ) ) ||
738        ( ( nalOrVcl == 1 ) && ( pHRD->getVclHrdParametersPresentFlag() ) ) )
739    {
740      for( i = 0; i < ( pHRD->getCpbCntMinus1( 0 ) + 1 ); i ++ )
741      {
742        sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_delay":"nal_initial_cpb_removal_delay" );
743        sei.m_initialCpbRemovalDelay[i][nalOrVcl] = code;
744        sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_offset":"vcl_initial_cpb_removal_offset" );
745        sei.m_initialCpbRemovalDelayOffset[i][nalOrVcl] = code;
746        if( pHRD->getSubPicCpbParamsPresentFlag() || sei.m_rapCpbParamsPresentFlag )
747        {
748          sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_delay":"vcl_initial_alt_cpb_removal_delay" );
749          sei.m_initialAltCpbRemovalDelay[i][nalOrVcl] = code;
750          sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_offset":"vcl_initial_alt_cpb_removal_offset" );
751          sei.m_initialAltCpbRemovalDelayOffset[i][nalOrVcl] = code;
752        }
753      }
754    }
755  }
756
757#if P0138_USE_ALT_CPB_PARAMS_FLAG
758  sei.m_useAltCpbParamsFlag = false;
759  sei.m_useAltCpbParamsFlagPresent = false;
760  if (xPayloadExtensionPresent())
761  {
762    sei_read_flag( pDecodedMessageOutputStream, code, "use_alt_cpb_params_flag");
763    sei.m_useAltCpbParamsFlag = code;
764    sei.m_useAltCpbParamsFlagPresent = true;
765  }
766#endif
767}
768
769#if SVC_EXTENSION
770Void SEIReader::xParseSEIPictureTiming(SEIPictureTiming& sei, UInt payloadSize, const TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
771#else
772Void SEIReader::xParseSEIPictureTiming(SEIPictureTiming& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
773#endif
774{
775  Int i;
776  UInt code;
777
778#if SVC_EXTENSION
779  const TComHRD *hrd;   
780  const TComVUI *vui = sps->getVuiParameters(); 
781  if( bspNestingSei )   // If BP SEI contained inside a BSP nesting SEI message
782  {
783    assert( nestingSei );
784    Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx;
785    Int seiOlsIdx = bspNestingSei->m_seiOlsIdx;
786    Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1;
787    Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
788    std::vector<Int> hrdIdx(maxValues, 0);
789    std::vector<const TComHRD*> hrdVec;
790    std::vector<Int> syntaxElemLen(maxValues, 0);
791    for(i = 0; i < maxValues; i++)
792    {
793      hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx);
794      hrdVec.push_back(vps->getBspHrd(hrdIdx[i]));
795   
796      syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
797      if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
798      {
799        assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23
800      }
801      if( i > 0 )
802      {
803        assert( hrdVec[i]->getSubPicCpbParamsPresentFlag()    == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() );
804        assert( hrdVec[i]->getSubPicCpbParamsInPicTimingSEIFlag()   == hrdVec[i-1]->getSubPicCpbParamsInPicTimingSEIFlag() );
805        assert( hrdVec[i]->getCpbRemovalDelayLengthMinus1()  == hrdVec[i-1]->getCpbRemovalDelayLengthMinus1() );
806        assert( hrdVec[i]->getDpbOutputDelayLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayLengthMinus1() );
807        assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() );
808        assert( hrdVec[i]->getDuCpbRemovalDelayLengthMinus1()  == hrdVec[i-1]->getDuCpbRemovalDelayLengthMinus1() );
809        // To be done: Check CpbDpbDelaysPresentFlag
810      }
811    }
812    hrd = hrdVec[0];
813  }
814  else
815  {
816    hrd = vui->getHrdParameters();
817  }
818  // To be done: When contained in an BSP HRD SEI message, the hrd structure is to be chosen differently.
819#else
820  const TComVUI *vui = sps->getVuiParameters();
821  const TComHRD *hrd = vui->getHrdParameters();
822#endif
823  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
824
825  if( vui->getFrameFieldInfoPresentFlag() )
826  {
827    sei_read_code( pDecodedMessageOutputStream, 4, code, "pic_struct" );             sei.m_picStruct            = code;
828    sei_read_code( pDecodedMessageOutputStream, 2, code, "source_scan_type" );       sei.m_sourceScanType       = code;
829    sei_read_flag( pDecodedMessageOutputStream,    code, "duplicate_flag" );         sei.m_duplicateFlag        = (code == 1);
830  }
831
832  if( hrd->getCpbDpbDelaysPresentFlag())
833  {
834    sei_read_code( pDecodedMessageOutputStream, ( hrd->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_minus1" );
835    sei.m_auCpbRemovalDelay = code + 1;
836    sei_read_code( pDecodedMessageOutputStream, ( hrd->getDpbOutputDelayLengthMinus1() + 1 ), code, "pic_dpb_output_delay" );
837    sei.m_picDpbOutputDelay = code;
838
839    if(hrd->getSubPicCpbParamsPresentFlag())
840    {
841      sei_read_code( pDecodedMessageOutputStream, hrd->getDpbOutputDelayDuLengthMinus1()+1, code, "pic_dpb_output_du_delay" );
842      sei.m_picDpbOutputDuDelay = code;
843    }
844
845    if( hrd->getSubPicCpbParamsPresentFlag() && hrd->getSubPicCpbParamsInPicTimingSEIFlag() )
846    {
847      sei_read_uvlc( pDecodedMessageOutputStream, code, "num_decoding_units_minus1");
848      sei.m_numDecodingUnitsMinus1 = code;
849      sei_read_flag( pDecodedMessageOutputStream, code, "du_common_cpb_removal_delay_flag" );
850      sei.m_duCommonCpbRemovalDelayFlag = code;
851      if( sei.m_duCommonCpbRemovalDelayFlag )
852      {
853        sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_common_cpb_removal_delay_increment_minus1" );
854        sei.m_duCommonCpbRemovalDelayMinus1 = code;
855      }
856      sei.m_numNalusInDuMinus1.resize(sei.m_numDecodingUnitsMinus1 + 1 );
857      sei.m_duCpbRemovalDelayMinus1.resize( sei.m_numDecodingUnitsMinus1 + 1 );
858
859      for( i = 0; i <= sei.m_numDecodingUnitsMinus1; i ++ )
860      {
861        sei_read_uvlc( pDecodedMessageOutputStream, code, "num_nalus_in_du_minus1[i]");
862        sei.m_numNalusInDuMinus1[ i ] = code;
863        if( ( !sei.m_duCommonCpbRemovalDelayFlag ) && ( i < sei.m_numDecodingUnitsMinus1 ) )
864        {
865          sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_cpb_removal_delay_minus1[i]" );
866          sei.m_duCpbRemovalDelayMinus1[ i ] = code;
867        }
868      }
869    }
870  }
871}
872
873Void SEIReader::xParseSEIRecoveryPoint(SEIRecoveryPoint& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
874{
875  Int  iCode;
876  UInt uiCode;
877  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
878
879  sei_read_svlc( pDecodedMessageOutputStream, iCode,  "recovery_poc_cnt" );      sei.m_recoveryPocCnt     = iCode;
880  sei_read_flag( pDecodedMessageOutputStream, uiCode, "exact_matching_flag" );   sei.m_exactMatchingFlag  = uiCode;
881  sei_read_flag( pDecodedMessageOutputStream, uiCode, "broken_link_flag" );      sei.m_brokenLinkFlag     = uiCode;
882}
883
884Void SEIReader::xParseSEIFramePacking(SEIFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
885{
886  UInt val;
887  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
888
889  sei_read_uvlc( pDecodedMessageOutputStream, val, "frame_packing_arrangement_id" );                 sei.m_arrangementId = val;
890  sei_read_flag( pDecodedMessageOutputStream, val, "frame_packing_arrangement_cancel_flag" );        sei.m_arrangementCancelFlag = val;
891
892  if ( !sei.m_arrangementCancelFlag )
893  {
894    sei_read_code( pDecodedMessageOutputStream, 7, val, "frame_packing_arrangement_type" );          sei.m_arrangementType = val;
895    assert((sei.m_arrangementType > 2) && (sei.m_arrangementType < 6) );
896
897    sei_read_flag( pDecodedMessageOutputStream, val, "quincunx_sampling_flag" );                     sei.m_quincunxSamplingFlag = val;
898
899    sei_read_code( pDecodedMessageOutputStream, 6, val, "content_interpretation_type" );             sei.m_contentInterpretationType = val;
900    sei_read_flag( pDecodedMessageOutputStream, val, "spatial_flipping_flag" );                      sei.m_spatialFlippingFlag = val;
901    sei_read_flag( pDecodedMessageOutputStream, val, "frame0_flipped_flag" );                        sei.m_frame0FlippedFlag = val;
902    sei_read_flag( pDecodedMessageOutputStream, val, "field_views_flag" );                           sei.m_fieldViewsFlag = val;
903    sei_read_flag( pDecodedMessageOutputStream, val, "current_frame_is_frame0_flag" );               sei.m_currentFrameIsFrame0Flag = val;
904    sei_read_flag( pDecodedMessageOutputStream, val, "frame0_self_contained_flag" );                 sei.m_frame0SelfContainedFlag = val;
905    sei_read_flag( pDecodedMessageOutputStream, val, "frame1_self_contained_flag" );                 sei.m_frame1SelfContainedFlag = val;
906
907    if ( sei.m_quincunxSamplingFlag == 0 && sei.m_arrangementType != 5)
908    {
909      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_x" );                sei.m_frame0GridPositionX = val;
910      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_y" );                sei.m_frame0GridPositionY = val;
911      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_x" );                sei.m_frame1GridPositionX = val;
912      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_y" );                sei.m_frame1GridPositionY = val;
913    }
914
915    sei_read_code( pDecodedMessageOutputStream, 8, val, "frame_packing_arrangement_reserved_byte" );   sei.m_arrangementReservedByte = val;
916    sei_read_flag( pDecodedMessageOutputStream, val,  "frame_packing_arrangement_persistence_flag" );  sei.m_arrangementPersistenceFlag = (val != 0);
917  }
918  sei_read_flag( pDecodedMessageOutputStream, val, "upsampled_aspect_ratio_flag" );                  sei.m_upsampledAspectRatio = val;
919}
920
921Void SEIReader::xParseSEISegmentedRectFramePacking(SEISegmentedRectFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
922{
923  UInt val;
924  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
925  sei_read_flag( pDecodedMessageOutputStream, val,       "segmented_rect_frame_packing_arrangement_cancel_flag" );       sei.m_arrangementCancelFlag            = val;
926  if( !sei.m_arrangementCancelFlag )
927  {
928    sei_read_code( pDecodedMessageOutputStream, 2, val, "segmented_rect_content_interpretation_type" );                sei.m_contentInterpretationType = val;
929    sei_read_flag( pDecodedMessageOutputStream, val,     "segmented_rect_frame_packing_arrangement_persistence" );                              sei.m_arrangementPersistenceFlag               = val;
930  }
931}
932
933Void SEIReader::xParseSEIDisplayOrientation(SEIDisplayOrientation& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
934{
935  UInt val;
936  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
937  sei_read_flag( pDecodedMessageOutputStream, val,       "display_orientation_cancel_flag" );       sei.cancelFlag            = val;
938  if( !sei.cancelFlag )
939  {
940    sei_read_flag( pDecodedMessageOutputStream, val,     "hor_flip" );                              sei.horFlip               = val;
941    sei_read_flag( pDecodedMessageOutputStream, val,     "ver_flip" );                              sei.verFlip               = val;
942    sei_read_code( pDecodedMessageOutputStream, 16, val, "anticlockwise_rotation" );                sei.anticlockwiseRotation = val;
943    sei_read_flag( pDecodedMessageOutputStream, val,     "display_orientation_persistence_flag" );  sei.persistenceFlag       = val;
944  }
945}
946
947Void SEIReader::xParseSEITemporalLevel0Index(SEITemporalLevel0Index& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
948{
949  UInt val;
950  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
951  sei_read_code( pDecodedMessageOutputStream, 8, val, "temporal_sub_layer_zero_idx" );  sei.tl0Idx = val;
952  sei_read_code( pDecodedMessageOutputStream, 8, val, "irap_pic_id" );  sei.rapIdx = val;
953}
954
955Void SEIReader::xParseSEIRegionRefreshInfo(SEIGradualDecodingRefreshInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
956{
957  UInt val;
958  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
959  sei_read_flag( pDecodedMessageOutputStream, val, "refreshed_region_flag" ); sei.m_gdrForegroundFlag = val ? 1 : 0;
960}
961
962Void SEIReader::xParseSEINoDisplay(SEINoDisplay& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
963{
964  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
965  sei.m_noDisplay = true;
966}
967
968Void SEIReader::xParseSEIToneMappingInfo(SEIToneMappingInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
969{
970  Int i;
971  UInt val;
972  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
973  sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_id" );                         sei.m_toneMapId = val;
974  sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_cancel_flag" );                sei.m_toneMapCancelFlag = val;
975
976  if ( !sei.m_toneMapCancelFlag )
977  {
978    sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_persistence_flag" );         sei.m_toneMapPersistenceFlag = val;
979    sei_read_code( pDecodedMessageOutputStream, 8, val, "coded_data_bit_depth" );           sei.m_codedDataBitDepth = val;
980    sei_read_code( pDecodedMessageOutputStream, 8, val, "target_bit_depth" );               sei.m_targetBitDepth = val;
981    sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_model_id" );                 sei.m_modelId = val;
982    switch(sei.m_modelId)
983    {
984    case 0:
985      {
986        sei_read_code( pDecodedMessageOutputStream, 32, val, "min_value" );                 sei.m_minValue = val;
987        sei_read_code( pDecodedMessageOutputStream, 32, val, "max_value" );                 sei.m_maxValue = val;
988        break;
989      }
990    case 1:
991      {
992        sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_midpoint" );          sei.m_sigmoidMidpoint = val;
993        sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_width" );             sei.m_sigmoidWidth = val;
994        break;
995      }
996    case 2:
997      {
998        UInt num = 1u << sei.m_targetBitDepth;
999        sei.m_startOfCodedInterval.resize(num+1);
1000        for(i = 0; i < num; i++)
1001        {
1002          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "start_of_coded_interval[i]" );
1003          sei.m_startOfCodedInterval[i] = val;
1004        }
1005        sei.m_startOfCodedInterval[num] = 1u << sei.m_codedDataBitDepth;
1006        break;
1007      }
1008    case 3:
1009      {
1010        sei_read_code( pDecodedMessageOutputStream, 16, val,  "num_pivots" );                       sei.m_numPivots = val;
1011        sei.m_codedPivotValue.resize(sei.m_numPivots);
1012        sei.m_targetPivotValue.resize(sei.m_numPivots);
1013        for(i = 0; i < sei.m_numPivots; i++ )
1014        {
1015          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "coded_pivot_value[i]" );
1016          sei.m_codedPivotValue[i] = val;
1017          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_targetBitDepth + 7 ) >> 3 ) << 3),    val, "target_pivot_value[i]" );
1018          sei.m_targetPivotValue[i] = val;
1019        }
1020        break;
1021      }
1022    case 4:
1023      {
1024        sei_read_code( pDecodedMessageOutputStream, 8, val, "camera_iso_speed_idc" );                     sei.m_cameraIsoSpeedIdc = val;
1025        if( sei.m_cameraIsoSpeedIdc == 255) //Extended_ISO
1026        {
1027          sei_read_code( pDecodedMessageOutputStream, 32,   val,   "camera_iso_speed_value" );            sei.m_cameraIsoSpeedValue = val;
1028        }
1029        sei_read_code( pDecodedMessageOutputStream, 8, val, "exposure_index_idc" );                       sei.m_exposureIndexIdc = val;
1030        if( sei.m_exposureIndexIdc == 255) //Extended_ISO
1031        {
1032          sei_read_code( pDecodedMessageOutputStream, 32,   val,   "exposure_index_value" );              sei.m_exposureIndexValue = val;
1033        }
1034        sei_read_flag( pDecodedMessageOutputStream, val, "exposure_compensation_value_sign_flag" );       sei.m_exposureCompensationValueSignFlag = val;
1035        sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_numerator" );   sei.m_exposureCompensationValueNumerator = val;
1036        sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_denom_idc" );   sei.m_exposureCompensationValueDenomIdc = val;
1037        sei_read_code( pDecodedMessageOutputStream, 32, val, "ref_screen_luminance_white" );              sei.m_refScreenLuminanceWhite = val;
1038        sei_read_code( pDecodedMessageOutputStream, 32, val, "extended_range_white_level" );              sei.m_extendedRangeWhiteLevel = val;
1039        sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_black_level_code_value" );          sei.m_nominalBlackLevelLumaCodeValue = val;
1040        sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_white_level_code_value" );          sei.m_nominalWhiteLevelLumaCodeValue= val;
1041        sei_read_code( pDecodedMessageOutputStream, 16, val, "extended_white_level_code_value" );         sei.m_extendedWhiteLevelLumaCodeValue = val;
1042        break;
1043      }
1044    default:
1045      {
1046        assert(!"Undefined SEIToneMapModelId");
1047        break;
1048      }
1049    }//switch model id
1050  }// if(!sei.m_toneMapCancelFlag)
1051}
1052
1053Void SEIReader::xParseSEISOPDescription(SEISOPDescription &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1054{
1055  Int iCode;
1056  UInt uiCode;
1057  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1058
1059  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "sop_seq_parameter_set_id"            ); sei.m_sopSeqParameterSetId = uiCode;
1060  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "num_pics_in_sop_minus1"              ); sei.m_numPicsInSopMinus1 = uiCode;
1061  for (UInt i = 0; i <= sei.m_numPicsInSopMinus1; i++)
1062  {
1063    sei_read_code( pDecodedMessageOutputStream, 6, uiCode,                     "sop_vcl_nut[i]" );  sei.m_sopDescVclNaluType[i] = uiCode;
1064    sei_read_code( pDecodedMessageOutputStream, 3, sei.m_sopDescTemporalId[i], "sop_temporal_id[i]"   );  sei.m_sopDescTemporalId[i] = uiCode;
1065    if (sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_W_RADL && sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_N_LP)
1066    {
1067      sei_read_uvlc( pDecodedMessageOutputStream, sei.m_sopDescStRpsIdx[i],    "sop_short_term_rps_idx[i]"    ); sei.m_sopDescStRpsIdx[i] = uiCode;
1068    }
1069    if (i > 0)
1070    {
1071      sei_read_svlc( pDecodedMessageOutputStream, iCode,                       "sop_poc_delta[i]"     ); sei.m_sopDescPocDelta[i] = iCode;
1072    }
1073  }
1074}
1075
1076#if LAYERS_NOT_PRESENT_SEI
1077Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
1078#else
1079Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
1080#endif
1081{
1082  UInt uiCode;
1083  SEIMessages seis;
1084  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1085
1086  sei_read_flag( pDecodedMessageOutputStream, uiCode,            "bitstream_subset_flag"         ); sei.m_bitStreamSubsetFlag = uiCode;
1087  sei_read_flag( pDecodedMessageOutputStream, uiCode,            "nesting_op_flag"               ); sei.m_nestingOpFlag = uiCode;
1088  if (sei.m_nestingOpFlag)
1089  {
1090    sei_read_flag( pDecodedMessageOutputStream, uiCode,            "default_op_flag"               ); sei.m_defaultOpFlag = uiCode;
1091    sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_num_ops_minus1"        ); sei.m_nestingNumOpsMinus1 = uiCode;
1092    for (UInt i = sei.m_defaultOpFlag; i <= sei.m_nestingNumOpsMinus1; i++)
1093    {
1094      sei_read_code( pDecodedMessageOutputStream, 3,        uiCode,  "nesting_max_temporal_id_plus1[i]"   ); sei.m_nestingMaxTemporalIdPlus1[i] = uiCode;
1095      sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_op_idx[i]"                  ); sei.m_nestingOpIdx[i] = uiCode;
1096    }
1097  }
1098  else
1099  {
1100    sei_read_flag( pDecodedMessageOutputStream, uiCode,            "all_layers_flag"               ); sei.m_allLayersFlag       = uiCode;
1101    if (!sei.m_allLayersFlag)
1102    {
1103      sei_read_code( pDecodedMessageOutputStream, 3,        uiCode,  "nesting_no_op_max_temporal_id_plus1"  ); sei.m_nestingNoOpMaxTemporalIdPlus1 = uiCode;
1104      sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_num_layers_minus1"            ); sei.m_nestingNumLayersMinus1        = uiCode;
1105      for (UInt i = 0; i <= sei.m_nestingNumLayersMinus1; i++)
1106      {
1107        sei_read_code( pDecodedMessageOutputStream, 6,           uiCode,     "nesting_layer_id[i]"      ); sei.m_nestingLayerId[i]   = uiCode;
1108      }
1109    }
1110  }
1111
1112  // byte alignment
1113  while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1114  {
1115    UInt code;
1116    sei_read_flag( pDecodedMessageOutputStream, code, "nesting_zero_bit" );
1117  }
1118
1119  // read nested SEI messages
1120  do
1121  {
1122#if O0164_MULTI_LAYER_HRD
1123#if LAYERS_NOT_PRESENT_SEI
1124    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream, &sei);
1125#else
1126    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream, &sei);
1127#endif
1128#else
1129#if LAYERS_NOT_PRESENT_SEI
1130    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream);
1131#else
1132    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream);
1133#endif
1134#endif
1135  } while (m_pcBitstream->getNumBitsLeft() > 8);
1136
1137  if (pDecodedMessageOutputStream)
1138  {
1139    (*pDecodedMessageOutputStream) << "End of scalable nesting SEI message\n";
1140  }
1141}
1142
1143Void SEIReader::xParseSEITempMotionConstraintsTileSets(SEITempMotionConstrainedTileSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1144{
1145  UInt code;
1146  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1147  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);
1148  sei_read_flag( pDecodedMessageOutputStream, code, "each_tile_one_tile_set_flag");                 sei.m_each_tile_one_tile_set_flag                = (code != 0);
1149
1150  if(!sei.m_each_tile_one_tile_set_flag)
1151  {
1152    sei_read_flag( pDecodedMessageOutputStream, code, "limited_tile_set_display_flag");  sei.m_limited_tile_set_display_flag = (code != 0);
1153    sei_read_uvlc( pDecodedMessageOutputStream, code, "num_sets_in_message_minus1");     sei.setNumberOfTileSets(code + 1);
1154
1155    if(sei.getNumberOfTileSets() != 0)
1156    {
1157      for(Int i = 0; i < sei.getNumberOfTileSets(); i++)
1158      {
1159        sei_read_uvlc( pDecodedMessageOutputStream, code, "mcts_id");  sei.tileSetData(i).m_mcts_id = code;
1160
1161        if(sei.m_limited_tile_set_display_flag)
1162        {
1163          sei_read_flag( pDecodedMessageOutputStream, code, "display_tile_set_flag");  sei.tileSetData(i).m_display_tile_set_flag = (code != 1);
1164        }
1165
1166        sei_read_uvlc( pDecodedMessageOutputStream, code, "num_tile_rects_in_set_minus1");  sei.tileSetData(i).setNumberOfTileRects(code + 1);
1167
1168        for(Int j=0; j<sei.tileSetData(i).getNumberOfTileRects(); j++)
1169        {
1170          sei_read_uvlc( pDecodedMessageOutputStream, code, "top_left_tile_index");      sei.tileSetData(i).topLeftTileIndex(j)     = code;
1171          sei_read_uvlc( pDecodedMessageOutputStream, code, "bottom_right_tile_index");  sei.tileSetData(i).bottomRightTileIndex(j) = code;
1172        }
1173
1174        if(!sei.m_mc_all_tiles_exact_sample_value_match_flag)
1175        {
1176          sei_read_flag( pDecodedMessageOutputStream, code, "exact_sample_value_match_flag");   sei.tileSetData(i).m_exact_sample_value_match_flag    = (code != 0);
1177        }
1178        sei_read_flag( pDecodedMessageOutputStream, code, "mcts_tier_level_idc_present_flag");  sei.tileSetData(i).m_mcts_tier_level_idc_present_flag = (code != 0);
1179
1180        if(sei.tileSetData(i).m_mcts_tier_level_idc_present_flag)
1181        {
1182          sei_read_flag( pDecodedMessageOutputStream, code,    "mcts_tier_flag"); sei.tileSetData(i).m_mcts_tier_flag = (code != 0);
1183          sei_read_code( pDecodedMessageOutputStream, 8, code, "mcts_level_idc"); sei.tileSetData(i).m_mcts_level_idc =  code;
1184        }
1185      }
1186    }
1187  }
1188  else
1189  {
1190    sei_read_flag( pDecodedMessageOutputStream, code, "max_mcs_tier_level_idc_present_flag");  sei.m_max_mcs_tier_level_idc_present_flag = code;
1191    if(sei.m_max_mcs_tier_level_idc_present_flag)
1192    {
1193      sei_read_flag( pDecodedMessageOutputStream, code, "max_mcts_tier_flag");  sei.m_max_mcts_tier_flag = code;
1194      sei_read_code( pDecodedMessageOutputStream, 8, code, "max_mcts_level_idc"); sei.m_max_mcts_level_idc = code;
1195    }
1196  }
1197}
1198
1199Void SEIReader::xParseSEITimeCode(SEITimeCode& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1200{
1201  UInt code;
1202  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1203  sei_read_code( pDecodedMessageOutputStream, 2, code, "num_clock_ts"); sei.numClockTs = code;
1204  for(Int i = 0; i < sei.numClockTs; i++)
1205  {
1206    TComSEITimeSet currentTimeSet;
1207    sei_read_flag( pDecodedMessageOutputStream, code, "clock_time_stamp_flag[i]"); currentTimeSet.clockTimeStampFlag = code;
1208    if(currentTimeSet.clockTimeStampFlag)
1209    {
1210      sei_read_flag( pDecodedMessageOutputStream, code, "nuit_field_based_flag"); currentTimeSet.numUnitFieldBasedFlag = code;
1211      sei_read_code( pDecodedMessageOutputStream, 5, code, "counting_type"); currentTimeSet.countingType = code;
1212      sei_read_flag( pDecodedMessageOutputStream, code, "full_timestamp_flag"); currentTimeSet.fullTimeStampFlag = code;
1213      sei_read_flag( pDecodedMessageOutputStream, code, "discontinuity_flag"); currentTimeSet.discontinuityFlag = code;
1214      sei_read_flag( pDecodedMessageOutputStream, code, "cnt_dropped_flag"); currentTimeSet.cntDroppedFlag = code;
1215      sei_read_code( pDecodedMessageOutputStream, 9, code, "n_frames"); currentTimeSet.numberOfFrames = code;
1216      if(currentTimeSet.fullTimeStampFlag)
1217      {
1218        sei_read_code( pDecodedMessageOutputStream, 6, code, "seconds_value"); currentTimeSet.secondsValue = code;
1219        sei_read_code( pDecodedMessageOutputStream, 6, code, "minutes_value"); currentTimeSet.minutesValue = code;
1220        sei_read_code( pDecodedMessageOutputStream, 5, code, "hours_value"); currentTimeSet.hoursValue = code;
1221      }
1222      else
1223      {
1224        sei_read_flag( pDecodedMessageOutputStream, code, "seconds_flag"); currentTimeSet.secondsFlag = code;
1225        if(currentTimeSet.secondsFlag)
1226        {
1227          sei_read_code( pDecodedMessageOutputStream, 6, code, "seconds_value"); currentTimeSet.secondsValue = code;
1228          sei_read_flag( pDecodedMessageOutputStream, code, "minutes_flag"); currentTimeSet.minutesFlag = code;
1229          if(currentTimeSet.minutesFlag)
1230          {
1231            sei_read_code( pDecodedMessageOutputStream, 6, code, "minutes_value"); currentTimeSet.minutesValue = code;
1232            sei_read_flag( pDecodedMessageOutputStream, code, "hours_flag"); currentTimeSet.hoursFlag = code;
1233            if(currentTimeSet.hoursFlag)
1234            {
1235              sei_read_code( pDecodedMessageOutputStream, 5, code, "hours_value"); currentTimeSet.hoursValue = code;
1236            }
1237          }
1238        }
1239      }
1240      sei_read_code( pDecodedMessageOutputStream, 5, code, "time_offset_length"); currentTimeSet.timeOffsetLength = code;
1241      if(currentTimeSet.timeOffsetLength > 0)
1242      {
1243        sei_read_code( pDecodedMessageOutputStream, currentTimeSet.timeOffsetLength, code, "time_offset_value");
1244        if((code & (1 << (currentTimeSet.timeOffsetLength-1))) == 0)
1245        {
1246          currentTimeSet.timeOffsetValue = code;
1247        }
1248        else
1249        {
1250          code &= (1<< (currentTimeSet.timeOffsetLength-1)) - 1;
1251          currentTimeSet.timeOffsetValue = ~code + 1;
1252        }
1253      }
1254    }
1255    sei.timeSetArray[i] = currentTimeSet;
1256  }
1257}
1258
1259Void SEIReader::xParseSEIChromaSamplingFilterHint(SEIChromaSamplingFilterHint& sei, UInt payloadSize/*, TComSPS* sps*/, std::ostream *pDecodedMessageOutputStream)
1260{
1261  UInt uiCode;
1262  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1263
1264  sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "ver_chroma_filter_idc"); sei.m_verChromaFilterIdc = uiCode;
1265  sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "hor_chroma_filter_idc"); sei.m_horChromaFilterIdc = uiCode;
1266  sei_read_flag( pDecodedMessageOutputStream, uiCode, "ver_filtering_process_flag"); sei.m_verFilteringProcessFlag = uiCode;
1267  if(sei.m_verChromaFilterIdc == 1 || sei.m_horChromaFilterIdc == 1)
1268  {
1269    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "target_format_idc"); sei.m_targetFormatIdc = uiCode;
1270    if(sei.m_verChromaFilterIdc == 1)
1271    {
1272      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_vertical_filters"); sei.m_numVerticalFilters = uiCode;
1273      if(sei.m_numVerticalFilters > 0)
1274      {
1275        sei.m_verTapLengthMinus1 = (Int*)malloc(sei.m_numVerticalFilters * sizeof(Int));
1276        sei.m_verFilterCoeff = (Int**)malloc(sei.m_numVerticalFilters * sizeof(Int*));
1277        for(Int i = 0; i < sei.m_numVerticalFilters; i ++)
1278        {
1279          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "ver_tap_length_minus_1"); sei.m_verTapLengthMinus1[i] = uiCode;
1280          sei.m_verFilterCoeff[i] = (Int*)malloc(sei.m_verTapLengthMinus1[i] * sizeof(Int));
1281          for(Int j = 0; j < sei.m_verTapLengthMinus1[i]; j ++)
1282          {
1283            sei_read_svlc( pDecodedMessageOutputStream, sei.m_verFilterCoeff[i][j], "ver_filter_coeff");
1284          }
1285        }
1286      }
1287    }
1288    if(sei.m_horChromaFilterIdc == 1)
1289    {
1290      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_horizontal_filters"); sei.m_numHorizontalFilters = uiCode;
1291      if(sei.m_numHorizontalFilters  > 0)
1292      {
1293        sei.m_horTapLengthMinus1 = (Int*)malloc(sei.m_numHorizontalFilters * sizeof(Int));
1294        sei.m_horFilterCoeff = (Int**)malloc(sei.m_numHorizontalFilters * sizeof(Int*));
1295        for(Int i = 0; i < sei.m_numHorizontalFilters; i ++)
1296        {
1297          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "hor_tap_length_minus_1"); sei.m_horTapLengthMinus1[i] = uiCode;
1298          sei.m_horFilterCoeff[i] = (Int*)malloc(sei.m_horTapLengthMinus1[i] * sizeof(Int));
1299          for(Int j = 0; j < sei.m_horTapLengthMinus1[i]; j ++)
1300          {
1301            sei_read_svlc( pDecodedMessageOutputStream, sei.m_horFilterCoeff[i][j], "hor_filter_coeff");
1302          }
1303        }
1304      }
1305    }
1306  }
1307}
1308
1309Void SEIReader::xParseSEIKneeFunctionInfo(SEIKneeFunctionInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1310{
1311  Int i;
1312  UInt val;
1313  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1314
1315  sei_read_uvlc( pDecodedMessageOutputStream, val, "knee_function_id" );                   sei.m_kneeId = val;
1316  sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_cancel_flag" );          sei.m_kneeCancelFlag = val;
1317  if ( !sei.m_kneeCancelFlag )
1318  {
1319    sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_persistence_flag" );   sei.m_kneePersistenceFlag = val;
1320    sei_read_code( pDecodedMessageOutputStream, 32, val, "input_d_range" );                sei.m_kneeInputDrange = val;
1321    sei_read_code( pDecodedMessageOutputStream, 32, val, "input_disp_luminance" );         sei.m_kneeInputDispLuminance = val;
1322    sei_read_code( pDecodedMessageOutputStream, 32, val, "output_d_range" );               sei.m_kneeOutputDrange = val;
1323    sei_read_code( pDecodedMessageOutputStream, 32, val, "output_disp_luminance" );        sei.m_kneeOutputDispLuminance = val;
1324    sei_read_uvlc( pDecodedMessageOutputStream, val, "num_knee_points_minus1" );           sei.m_kneeNumKneePointsMinus1 = val;
1325    assert( sei.m_kneeNumKneePointsMinus1 > 0 );
1326    sei.m_kneeInputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1);
1327    sei.m_kneeOutputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1);
1328    for(i = 0; i <= sei.m_kneeNumKneePointsMinus1; i++ )
1329    {
1330      sei_read_code( pDecodedMessageOutputStream, 10, val, "input_knee_point" );           sei.m_kneeInputKneePoint[i] = val;
1331      sei_read_code( pDecodedMessageOutputStream, 10, val, "output_knee_point" );          sei.m_kneeOutputKneePoint[i] = val;
1332    }
1333  }
1334}
1335
1336Void SEIReader::xParseSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1337{
1338  UInt code;
1339  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1340
1341  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[0]" ); sei.values.primaries[0][0] = code;
1342  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[0]" ); sei.values.primaries[0][1] = code;
1343
1344  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[1]" ); sei.values.primaries[1][0] = code;
1345  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[1]" ); sei.values.primaries[1][1] = code;
1346
1347  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[2]" ); sei.values.primaries[2][0] = code;
1348  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[2]" ); sei.values.primaries[2][1] = code;
1349
1350
1351  sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_x" ); sei.values.whitePoint[0] = code;
1352  sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_y" ); sei.values.whitePoint[1] = code;
1353
1354  sei_read_code( pDecodedMessageOutputStream, 32, code, "max_display_mastering_luminance" ); sei.values.maxLuminance = code;
1355  sei_read_code( pDecodedMessageOutputStream, 32, code, "min_display_mastering_luminance" ); sei.values.minLuminance = code;
1356}
1357
1358#if Q0074_COLOUR_REMAPPING_SEI
1359Void SEIReader::xParseSEIColourRemappingInfo(SEIColourRemappingInfo& sei, UInt /*payloadSize*/, std::ostream *pDecodedMessageOutputStream)
1360{
1361  UInt  uiVal;
1362  Int   iVal;
1363
1364  sei_read_uvlc( pDecodedMessageOutputStream, uiVal, "colour_remap_id" );          sei.m_colourRemapId = uiVal;
1365  sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_cancel_flag" ); sei.m_colourRemapCancelFlag = uiVal;
1366  if( !sei.m_colourRemapCancelFlag ) 
1367  {
1368    sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_persistence_flag" );                sei.m_colourRemapPersistenceFlag = uiVal;
1369    sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_video_signal_info_present_flag" );  sei.m_colourRemapVideoSignalInfoPresentFlag = uiVal;
1370    if ( sei.m_colourRemapVideoSignalInfoPresentFlag )
1371    {
1372      sei_read_flag( pDecodedMessageOutputStream, uiVal,    "colour_remap_full_range_flag" );           sei.m_colourRemapFullRangeFlag = uiVal;
1373      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_primaries" );                 sei.m_colourRemapPrimaries = uiVal;
1374      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_transfer_function" );         sei.m_colourRemapTransferFunction = uiVal;
1375      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_matrix_coefficients" );       sei.m_colourRemapMatrixCoefficients = uiVal;
1376    }
1377    sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_input_bit_depth" ); sei.m_colourRemapInputBitDepth = uiVal;
1378    sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_bit_depth" ); sei.m_colourRemapBitDepth = uiVal;
1379 
1380    for( Int c=0 ; c<3 ; c++ )
1381    {
1382      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "pre_lut_num_val_minus1[c]" ); sei.m_preLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal;
1383      sei.m_preLutCodedValue[c].resize(sei.m_preLutNumValMinus1[c]+1);
1384      sei.m_preLutTargetValue[c].resize(sei.m_preLutNumValMinus1[c]+1);
1385      if( uiVal> 0 )
1386        for ( Int i=0 ; i<=sei.m_preLutNumValMinus1[c] ; i++ )
1387        {
1388          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapInputBitDepth   + 7 ) >> 3 ) << 3, uiVal, "pre_lut_coded_value[c][i]" );  sei.m_preLutCodedValue[c][i]  = uiVal;
1389          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "pre_lut_target_value[c][i]" ); sei.m_preLutTargetValue[c][i] = uiVal;
1390        }
1391      else // pre_lut_num_val_minus1[c] == 0
1392      {
1393        sei.m_preLutCodedValue[c][0]  = 0;
1394        sei.m_preLutTargetValue[c][0] = 0;
1395        sei.m_preLutCodedValue[c][1]  = (1 << sei.m_colourRemapInputBitDepth) - 1 ;
1396        sei.m_preLutTargetValue[c][1] = (1 << sei.m_colourRemapBitDepth) - 1 ;
1397      }
1398    }
1399
1400    sei_read_flag( pDecodedMessageOutputStream, uiVal,      "colour_remap_matrix_present_flag" ); sei.m_colourRemapMatrixPresentFlag = uiVal;
1401    if( sei.m_colourRemapMatrixPresentFlag )
1402    {
1403      sei_read_code( pDecodedMessageOutputStream, 4, uiVal, "log2_matrix_denom" ); sei.m_log2MatrixDenom = uiVal;
1404      for ( Int c=0 ; c<3 ; c++ )
1405        for ( Int i=0 ; i<3 ; i++ )
1406        {
1407          sei_read_svlc( pDecodedMessageOutputStream, iVal, "colour_remap_coeffs[c][i]" ); sei.m_colourRemapCoeffs[c][i] = iVal;
1408        }
1409    }
1410    else // setting default matrix (I3)
1411    {
1412      sei.m_log2MatrixDenom = 0;
1413      for ( Int c=0 ; c<3 ; c++ )
1414        for ( Int i=0 ; i<3 ; i++ )
1415          sei.m_colourRemapCoeffs[c][i] = (c==i) ? 1 : 0;
1416    }
1417    for( Int c=0 ; c<3 ; c++ )
1418    {
1419      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "post_lut_num_val_minus1[c]" ); sei.m_postLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal;
1420      sei.m_postLutCodedValue[c].resize(sei.m_postLutNumValMinus1[c]+1);
1421      sei.m_postLutTargetValue[c].resize(sei.m_postLutNumValMinus1[c]+1);
1422      if( uiVal > 0 )
1423        for ( Int i=0 ; i<=sei.m_postLutNumValMinus1[c] ; i++ )
1424        {
1425          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_coded_value[c][i]" );  sei.m_postLutCodedValue[c][i] = uiVal;
1426          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_target_value[c][i]" ); sei.m_postLutTargetValue[c][i] = uiVal;
1427        }
1428      else
1429      {
1430        sei.m_postLutCodedValue[c][0]  = 0;
1431        sei.m_postLutTargetValue[c][0] = 0;
1432        sei.m_postLutTargetValue[c][1] = (1 << sei.m_colourRemapBitDepth) - 1;
1433        sei.m_postLutCodedValue[c][1]  = (1 << sei.m_colourRemapBitDepth) - 1;
1434      }
1435    }
1436  }
1437}
1438#endif
1439
1440
1441#if SVC_EXTENSION
1442#if LAYERS_NOT_PRESENT_SEI
1443Void SEIReader::xParseSEILayersNotPresent(SEILayersNotPresent &sei, UInt payloadSize, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
1444{
1445  UInt uiCode;
1446  UInt i = 0;
1447
1448  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "lp_sei_active_vps_id" ); sei.m_activeVpsId = uiCode;
1449  assert(vps->getVPSId() == sei.m_activeVpsId);
1450  sei.m_vpsMaxLayers = vps->getMaxLayers();
1451  for (; i < sei.m_vpsMaxLayers; i++)
1452  {
1453    sei_read_flag( pDecodedMessageOutputStream, uiCode,         "layer_not_present_flag"   ); sei.m_layerNotPresentFlag[i] = uiCode ? true : false;
1454  }
1455  for (; i < MAX_LAYERS; i++)
1456  {
1457    sei.m_layerNotPresentFlag[i] = false;
1458  }
1459}
1460#endif
1461
1462#if N0383_IL_CONSTRAINED_TILE_SETS_SEI
1463Void SEIReader::xParseSEIInterLayerConstrainedTileSets (SEIInterLayerConstrainedTileSets &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1464{
1465  UInt uiCode;
1466
1467  sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_all_tiles_exact_sample_value_match_flag"   ); sei.m_ilAllTilesExactSampleValueMatchFlag = uiCode;
1468  sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_one_tile_per_tile_set_flag"                ); sei.m_ilOneTilePerTileSetFlag = uiCode;
1469  if( !sei.m_ilOneTilePerTileSetFlag )
1470  {
1471    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_num_sets_in_message_minus1"                ); sei.m_ilNumSetsInMessageMinus1 = uiCode;
1472    if( sei.m_ilNumSetsInMessageMinus1 )
1473    {
1474      sei_read_flag( pDecodedMessageOutputStream, uiCode, "skipped_tile_set_present_flag"                ); sei.m_skippedTileSetPresentFlag = uiCode;
1475    }
1476    else
1477    {
1478      sei.m_skippedTileSetPresentFlag = false;
1479    }
1480    UInt numSignificantSets = sei.m_ilNumSetsInMessageMinus1 - (sei.m_skippedTileSetPresentFlag ? 1 : 0) + 1;
1481    for( UInt i = 0; i < numSignificantSets; i++ )
1482    {
1483      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "ilcts_id"                                     ); sei.m_ilctsId[i] = uiCode;
1484      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_num_tile_rects_in_set_minus1"              ) ;sei.m_ilNumTileRectsInSetMinus1[i] = uiCode;
1485      for( UInt j = 0; j <= sei.m_ilNumTileRectsInSetMinus1[i]; j++ )
1486      {
1487        sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_top_left_tile_index"                       ); sei.m_ilTopLeftTileIndex[i][j] = uiCode;
1488        sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_bottom_right_tile_index"                   ); sei.m_ilBottomRightTileIndex[i][j] = uiCode;
1489      }
1490      sei_read_code( pDecodedMessageOutputStream, 2, uiCode, "ilc_idc"                                   ); sei.m_ilcIdc[i] = uiCode;
1491      if( sei.m_ilAllTilesExactSampleValueMatchFlag )
1492      {
1493        sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_exact_sample_value_match_flag"             ); sei.m_ilExactSampleValueMatchFlag[i] = uiCode;
1494      }
1495    }
1496  }
1497  else
1498  {
1499    sei_read_code( pDecodedMessageOutputStream, 2, uiCode, "all_tiles_ilc_idc"                         ); sei.m_allTilesIlcIdc = uiCode;
1500  }
1501}
1502#endif
1503
1504#if SUB_BITSTREAM_PROPERTY_SEI
1505Void SEIReader::xParseSEISubBitstreamProperty(SEISubBitstreamProperty &sei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
1506{
1507  UInt uiCode;
1508  sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "active_vps_id" );                      sei.m_activeVpsId = uiCode;
1509  sei_read_uvlc( pDecodedMessageOutputStream,    uiCode, "num_additional_sub_streams_minus1" );  sei.m_numAdditionalSubStreams = uiCode + 1;
1510
1511  for( Int i = 0; i < sei.m_numAdditionalSubStreams; i++ )
1512  {
1513    sei_read_code( pDecodedMessageOutputStream,  2, uiCode, "sub_bitstream_mode[i]"           ); sei.m_subBitstreamMode[i] = uiCode;
1514    sei_read_uvlc( pDecodedMessageOutputStream,     uiCode, "output_layer_set_idx_to_vps[i]"  );
1515
1516    // The value of output_layer_set_idx_to_vps[ i ]  shall be in the range of 0 to NumOutputLayerSets − 1, inclusive.
1517    assert(uiCode > 0 && uiCode <= vps->getNumOutputLayerSets()-1);
1518
1519    sei.m_outputLayerSetIdxToVps[i] = uiCode;
1520
1521    sei_read_code( pDecodedMessageOutputStream,  3, uiCode, "highest_sub_layer_id[i]"         ); sei.m_highestSublayerId[i] = uiCode;
1522    sei_read_code( pDecodedMessageOutputStream, 16, uiCode, "avg_bit_rate[i]"                 ); sei.m_avgBitRate[i] = uiCode;
1523    sei_read_code( pDecodedMessageOutputStream, 16, uiCode, "max_bit_rate[i]"                 ); sei.m_maxBitRate[i] = uiCode;
1524  } 
1525}
1526#endif
1527
1528#if O0164_MULTI_LAYER_HRD
1529#if LAYERS_NOT_PRESENT_SEI
1530Void SEIReader::xParseSEIBspNesting(SEIBspNesting &sei, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, const SEIScalableNesting &nestingSei, std::ostream *pDecodedMessageOutputStream)
1531#else
1532Void SEIReader::xParseSEIBspNesting(SEIBspNesting &sei, const NalUnitType nalUnitType, const TComSPS *sps, const SEIScalableNesting &nestingSei, std::ostream *pDecodedMessageOutputStream)
1533#endif
1534{
1535  UInt uiCode;
1536  sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bsp_idx" ); sei.m_bspIdx = uiCode;
1537
1538  // byte alignment
1539  while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1540  {
1541    UInt code;
1542    sei_read_flag( pDecodedMessageOutputStream, code, "bsp_nesting_zero_bit" );
1543  }
1544
1545  sei.m_callerOwnsSEIs = false;
1546
1547  // read nested SEI messages
1548  Int numSeiMessages = 0;
1549  sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_seis_in_bsp_minus1" );  assert( uiCode <= MAX_SEIS_IN_BSP_NESTING );
1550  numSeiMessages = uiCode;
1551  for(Int i = 0; i < numSeiMessages; i++)
1552  {
1553    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream, &nestingSei, &sei);
1554  }
1555}
1556
1557Void SEIReader::xParseSEIBspInitialArrivalTime(SEIBspInitialArrivalTime &sei, const TComVPS *vps, const TComSPS *sps, const SEIScalableNesting &nestingSei, const SEIBspNesting &bspNestingSei, std::ostream *pDecodedMessageOutputStream)
1558{
1559  assert(vps->getVpsVuiPresentFlag());
1560
1561  UInt uiCode;
1562  Int psIdx         = bspNestingSei.m_seiPartitioningSchemeIdx;
1563  Int seiOlsIdx     = bspNestingSei.m_seiOlsIdx;
1564  Int maxTemporalId = nestingSei.m_nestingMaxTemporalIdPlus1[0];
1565  Int maxValues     = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
1566  std::vector<Int> hrdIdx(0, maxValues);
1567  std::vector<const TComHRD*> hrdVec;
1568  std::vector<Int> syntaxElemLen;
1569  for(Int i = 0; i < maxValues; i++)
1570  {
1571    hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei.m_bspIdx);
1572    hrdVec[i] = vps->getBspHrd(hrdIdx[i]);
1573   
1574    syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
1575    if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
1576    {
1577      assert( syntaxElemLen[i] == 24 ); // Default value of init_cpb_removal_delay_length_minus1 is 23
1578    }
1579    if( i > 0 )
1580    {
1581      assert( hrdVec[i]->getNalHrdParametersPresentFlag() == hrdVec[i-1]->getNalHrdParametersPresentFlag() );
1582      assert( hrdVec[i]->getVclHrdParametersPresentFlag() == hrdVec[i-1]->getVclHrdParametersPresentFlag() );
1583    }
1584  }
1585  if (hrdVec[0]->getNalHrdParametersPresentFlag())
1586  {
1587    for(UInt i = 0; i < maxValues; i++)
1588    {
1589      sei_read_code( pDecodedMessageOutputStream, syntaxElemLen[i], uiCode, "nal_initial_arrival_delay[i]" ); sei.m_nalInitialArrivalDelay[i] = uiCode;
1590    }
1591  }
1592  if( hrdVec[0]->getVclHrdParametersPresentFlag() )
1593  {
1594    for(UInt i = 0; i < maxValues; i++)
1595    {
1596      sei_read_code( pDecodedMessageOutputStream, syntaxElemLen[i], uiCode, "vcl_initial_arrival_delay[i]" ); sei.m_vclInitialArrivalDelay[i] = uiCode;
1597    }
1598  }
1599}
1600
1601Void SEIReader::xParseHrdParameters(TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1, std::ostream *pDecodedMessageOutputStream)
1602{
1603  UInt  uiCode;
1604  if( commonInfPresentFlag )
1605  {
1606    sei_read_flag( pDecodedMessageOutputStream, uiCode, "nal_hrd_parameters_present_flag" );           hrd->setNalHrdParametersPresentFlag( uiCode == 1 ? true : false );
1607    sei_read_flag( pDecodedMessageOutputStream, uiCode, "vcl_hrd_parameters_present_flag" );           hrd->setVclHrdParametersPresentFlag( uiCode == 1 ? true : false );
1608    if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() )
1609    {
1610      sei_read_flag( pDecodedMessageOutputStream, uiCode, "sub_pic_cpb_params_present_flag" );         hrd->setSubPicCpbParamsPresentFlag( uiCode == 1 ? true : false );
1611      if( hrd->getSubPicCpbParamsPresentFlag() )
1612      {
1613        sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "tick_divisor_minus2" );                hrd->setTickDivisorMinus2( uiCode );
1614        sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "du_cpb_removal_delay_length_minus1" ); hrd->setDuCpbRemovalDelayLengthMinus1( uiCode );
1615        sei_read_flag( pDecodedMessageOutputStream, uiCode, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); hrd->setSubPicCpbParamsInPicTimingSEIFlag( uiCode == 1 ? true : false );
1616        sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "dpb_output_delay_du_length_minus1"  ); hrd->setDpbOutputDelayDuLengthMinus1( uiCode );
1617      }
1618      sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "bit_rate_scale" );                       hrd->setBitRateScale( uiCode );
1619      sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "cpb_size_scale" );                       hrd->setCpbSizeScale( uiCode );
1620      if( hrd->getSubPicCpbParamsPresentFlag() )
1621      {
1622        sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "cpb_size_du_scale" );                  hrd->setDuCpbSizeScale( uiCode );
1623      }
1624      sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "initial_cpb_removal_delay_length_minus1" ); hrd->setInitialCpbRemovalDelayLengthMinus1( uiCode );
1625      sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "au_cpb_removal_delay_length_minus1" );      hrd->setCpbRemovalDelayLengthMinus1( uiCode );
1626      sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "dpb_output_delay_length_minus1" );       hrd->setDpbOutputDelayLengthMinus1( uiCode );
1627    }
1628  }
1629  Int i, j, nalOrVcl;
1630  for( i = 0; i <= maxNumSubLayersMinus1; i ++ )
1631  {
1632    sei_read_flag( pDecodedMessageOutputStream, uiCode, "fixed_pic_rate_general_flag" );                     hrd->setFixedPicRateFlag( i, uiCode == 1 ? true : false  );
1633    if( !hrd->getFixedPicRateFlag( i ) )
1634    {
1635       sei_read_flag( pDecodedMessageOutputStream, uiCode, "fixed_pic_rate_within_cvs_flag" );                hrd->setFixedPicRateWithinCvsFlag( i, uiCode == 1 ? true : false  );
1636    }
1637    else
1638    {
1639      hrd->setFixedPicRateWithinCvsFlag( i, true );
1640    }
1641    hrd->setLowDelayHrdFlag( i, 0 ); // Infered to be 0 when not present
1642    hrd->setCpbCntMinus1   ( i, 0 ); // Infered to be 0 when not present
1643    if( hrd->getFixedPicRateWithinCvsFlag( i ) )
1644    {
1645      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "elemental_duration_in_tc_minus1" );             hrd->setPicDurationInTcMinus1( i, uiCode );
1646    }
1647    else
1648    {
1649      sei_read_flag( pDecodedMessageOutputStream, uiCode, "low_delay_hrd_flag" );                      hrd->setLowDelayHrdFlag( i, uiCode == 1 ? true : false  );
1650    }
1651    if (!hrd->getLowDelayHrdFlag( i ))
1652    {
1653      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_cnt_minus1" );                          hrd->setCpbCntMinus1( i, uiCode );
1654    }
1655    for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
1656    {
1657      if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
1658          ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
1659      {
1660        for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ )
1661        {
1662          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bit_rate_value_minus1" );             hrd->setBitRateValueMinus1( i, j, nalOrVcl, uiCode );
1663          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_size_value_minus1" );             hrd->setCpbSizeValueMinus1( i, j, nalOrVcl, uiCode );
1664          if( hrd->getSubPicCpbParamsPresentFlag() )
1665          {
1666            sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_size_du_value_minus1" );       hrd->setDuCpbSizeValueMinus1( i, j, nalOrVcl, uiCode );
1667            sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bit_rate_du_value_minus1" );       hrd->setDuBitRateValueMinus1( i, j, nalOrVcl, uiCode );
1668          }
1669           sei_read_flag( pDecodedMessageOutputStream, uiCode, "cbr_flag" );                          hrd->setCbrFlag( i, j, nalOrVcl, uiCode == 1 ? true : false  );
1670        }
1671      }
1672    }
1673  }
1674}
1675#endif
1676
1677#if P0123_ALPHA_CHANNEL_SEI
1678void SEIReader::xParseSEIAlphaChannelInfo(SEIAlphaChannelInfo &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1679{
1680  UInt value;
1681  sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_cancel_flag"); sei.m_alphaChannelCancelFlag = value;
1682  if(!sei.m_alphaChannelCancelFlag)
1683  {
1684    sei_read_code(pDecodedMessageOutputStream, 3, value, "alpha_channel_use_idc");          sei.m_alphaChannelUseIdc = value;
1685    sei_read_code(pDecodedMessageOutputStream, 3, value, "alpha_channel_bit_depth_minus8"); sei.m_alphaChannelBitDepthMinus8 = value;
1686    sei_read_code(pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8 + 9, value, "alpha_transparent_value"); sei.m_alphaTransparentValue = value;
1687    sei_read_code(pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8 + 9, value, "alpha_opaque_value"); sei.m_alphaOpaqueValue = value;
1688    sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_incr_flag");        sei.m_alphaChannelIncrFlag = value;
1689    sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_clip_flag");        sei.m_alphaChannelClipFlag = value;
1690    if(sei.m_alphaChannelClipFlag)
1691    {
1692      sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_clip_type_flag"); sei.m_alphaChannelClipTypeFlag = value;
1693    }
1694  } 
1695}
1696#endif
1697
1698#if Q0096_OVERLAY_SEI
1699Void SEIReader::xParseSEIOverlayInfo(SEIOverlayInfo& sei, UInt /*payloadSize*/, std::ostream *pDecodedMessageOutputStream)
1700{
1701  Int i, j;
1702  UInt val;
1703  sei_read_flag( pDecodedMessageOutputStream, val, "overlay_info_cancel_flag" );                 sei.m_overlayInfoCancelFlag = val;
1704  if ( !sei.m_overlayInfoCancelFlag )
1705  {
1706    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_content_aux_id_minus128" );            sei.m_overlayContentAuxIdMinus128 = val;
1707    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_label_aux_id_minus128" );              sei.m_overlayLabelAuxIdMinus128 = val;
1708    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_alpha_aux_id_minus128" );              sei.m_overlayAlphaAuxIdMinus128 = val;
1709    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_element_label_value_length_minus8" );  sei.m_overlayElementLabelValueLengthMinus8 = val;
1710    sei_read_uvlc( pDecodedMessageOutputStream, val, "num_overlays_minus1" );                        sei.m_numOverlaysMinus1 = val;
1711
1712    assert( sei.m_numOverlaysMinus1 < MAX_OVERLAYS );
1713    sei.m_overlayIdx.resize( sei.m_numOverlaysMinus1+1 );
1714    sei.m_languageOverlayPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1715    sei.m_overlayContentLayerId.resize( sei.m_numOverlaysMinus1+1 );
1716    sei.m_overlayLabelPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1717    sei.m_overlayLabelLayerId.resize( sei.m_numOverlaysMinus1+1 );
1718    sei.m_overlayAlphaPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1719    sei.m_overlayAlphaLayerId.resize( sei.m_numOverlaysMinus1+1 );
1720    sei.m_numOverlayElementsMinus1.resize( sei.m_numOverlaysMinus1+1 );
1721    sei.m_overlayElementLabelMin.resize( sei.m_numOverlaysMinus1+1 );
1722    sei.m_overlayElementLabelMax.resize( sei.m_numOverlaysMinus1+1 );
1723    for ( i=0 ; i<=sei.m_numOverlaysMinus1 ; i++ )
1724    {
1725      sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_idx" );                      sei.m_overlayIdx[i] = val;
1726      sei_read_flag( pDecodedMessageOutputStream, val, "language_overlay_present_flag" );    sei.m_languageOverlayPresentFlag[i] = val;
1727      sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_content_layer_id");       sei.m_overlayContentLayerId[i] = val;
1728      sei_read_flag( pDecodedMessageOutputStream, val, "overlay_label_present_flag" );       sei.m_overlayLabelPresentFlag[i] = val;
1729      if ( sei.m_overlayLabelPresentFlag[i] )
1730      {
1731        sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_label_layer_id");     sei.m_overlayLabelLayerId[i] = val;
1732      }
1733      sei_read_flag( pDecodedMessageOutputStream, val, "overlay_alpha_present_flag" );       sei.m_overlayAlphaPresentFlag[i] = val;
1734      if ( sei.m_overlayAlphaPresentFlag[i] )
1735      {
1736        sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_alpha_layer_id");     sei.m_overlayAlphaLayerId[i] = val;
1737      }
1738      if ( sei.m_overlayLabelPresentFlag[i] )
1739      {
1740        sei_read_uvlc( pDecodedMessageOutputStream, val, "num_overlay_elements_minus1");   sei.m_numOverlayElementsMinus1[i] = val;
1741        assert( sei.m_numOverlayElementsMinus1[i] < MAX_OVERLAY_ELEMENTS );
1742        sei.m_overlayElementLabelMin[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1743        sei.m_overlayElementLabelMax[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1744        for ( j=0 ; j<=sei.m_numOverlayElementsMinus1[i] ; j++ )
1745        {
1746          sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, val, "overlay_element_label_min"); sei.m_overlayElementLabelMin[i][j] = val;
1747          sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, val, "overlay_element_label_max"); sei.m_overlayElementLabelMax[i][j] = val;
1748        }     
1749      }
1750      else
1751      {
1752        sei.m_numOverlayElementsMinus1[i] = 0;
1753      }
1754    }
1755
1756    // byte alignment
1757    while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1758    {
1759      sei_read_flag( pDecodedMessageOutputStream, val, "overlay_zero_bit" );
1760      assert( val==0 );
1761    }
1762
1763    UChar* sval = new UChar[MAX_OVERLAY_STRING_BYTES];
1764    UInt slen;   
1765    sei.m_overlayLanguage.resize( sei.m_numOverlaysMinus1+1, NULL );
1766    sei.m_overlayLanguageLength.resize( sei.m_numOverlaysMinus1+1 );
1767    sei.m_overlayName.resize( sei.m_numOverlaysMinus1+1, NULL );
1768    sei.m_overlayNameLength.resize( sei.m_numOverlaysMinus1+1 );
1769    sei.m_overlayElementName.resize( sei.m_numOverlaysMinus1+1 );
1770    sei.m_overlayElementNameLength.resize( sei.m_numOverlaysMinus1+1 );
1771    for ( i=0 ; i<=sei.m_numOverlaysMinus1 ; i++ )
1772    {
1773      if ( sei.m_languageOverlayPresentFlag[i] )
1774      {
1775        READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_language" );
1776        sei.m_overlayLanguage[i] = new UChar[slen];
1777        memcpy(sei.m_overlayLanguage[i], sval, slen);
1778        sei.m_overlayLanguageLength[i] = slen;
1779      }
1780      READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_name" );
1781      sei.m_overlayName[i] = new UChar[slen];
1782      memcpy(sei.m_overlayName[i], sval, slen);
1783      sei.m_overlayNameLength[i] = slen;
1784      if ( sei.m_overlayLabelPresentFlag[i] )
1785      {
1786        sei.m_overlayElementName[i].resize( sei.m_numOverlayElementsMinus1[i]+1, NULL );
1787        sei.m_overlayElementNameLength[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1788        for ( j=0 ; j<=sei.m_numOverlayElementsMinus1[i] ; j++)
1789        {
1790          READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_element_name" );
1791          sei.m_overlayElementName[i][j] = new UChar[slen];
1792          memcpy(sei.m_overlayElementName[i][j], sval, slen);
1793          sei.m_overlayElementNameLength[i][j] = slen;
1794        }
1795      }
1796    }
1797    sei_read_flag( pDecodedMessageOutputStream, val, "overlay_info_persistence_flag" );        sei.m_overlayInfoPersistenceFlag = val;
1798  } 
1799}
1800#endif
1801
1802#if P0138_USE_ALT_CPB_PARAMS_FLAG
1803/**
1804 * Check if SEI message contains payload extension
1805 */
1806Bool SEIReader::xPayloadExtensionPresent()
1807{
1808  Int payloadBitsRemaining = getBitstream()->getNumBitsLeft();
1809  Bool payloadExtensionPresent = false;
1810
1811  if (payloadBitsRemaining > 8)
1812  {
1813    payloadExtensionPresent = true;
1814  }
1815  else
1816  {
1817    Int finalBits = getBitstream()->peekBits(payloadBitsRemaining);
1818    while (payloadBitsRemaining && (finalBits & 1) == 0)
1819    {
1820      payloadBitsRemaining--;
1821      finalBits >>= 1;
1822    }
1823    payloadBitsRemaining--;
1824    if (payloadBitsRemaining > 0)
1825    {
1826      payloadExtensionPresent = true;
1827    }
1828  }
1829
1830  return payloadExtensionPresent;
1831}
1832#endif
1833
1834#if Q0189_TMVP_CONSTRAINTS
1835Void SEIReader::xParseSEITMVPConstraints   (SEITMVPConstrains& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1836{
1837  UInt uiCode;
1838  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "prev_pics_not_used_flag"              ); sei.prev_pics_not_used_flag = uiCode;
1839  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "no_intra_layer_col_pic_flag"          ); sei.no_intra_layer_col_pic_flag = uiCode;
1840}
1841#endif
1842
1843#if Q0247_FRAME_FIELD_INFO
1844Void SEIReader::xParseSEIFrameFieldInfo    (SEIFrameFieldInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1845{
1846  UInt code;
1847  sei_read_code( pDecodedMessageOutputStream, 4, code, "ffinfo_pic_struct"       );       sei.m_ffinfo_picStruct      = code;
1848  sei_read_code( pDecodedMessageOutputStream, 2, code, "ffinfo_source_scan_type" );       sei.m_ffinfo_sourceScanType = code;
1849  sei_read_flag( pDecodedMessageOutputStream,    code, "ffinfo_duplicate_flag"   );       sei.m_ffinfo_duplicateFlag  = ( code == 1 ? true : false );
1850}
1851#endif
1852
1853
1854#endif //SVC_EXTENSION
1855
1856//! \}
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