source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibDecoder/SEIread.cpp @ 1434

Last change on this file since 1434 was 1434, 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_RESAMPLING_FILTER_HINT:
302      sei = new SEIChromaResamplingFilterHint;
303      xParseSEIChromaResamplingFilterHint((SEIChromaResamplingFilterHint&) *sei, payloadSize, 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
687    Int schedSelIdx = 0;
688
689    for(i = 0; i < maxValues; i++)
690    {
691      hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx);
692      hrdVec.push_back(vps->getBspHrd(hrdIdx[i]));
693   
694      syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
695      if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
696      {
697        assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23
698      }
699      if( i > 0 )
700      {
701        assert( hrdVec[i]->getCpbRemovalDelayLengthMinus1()   == hrdVec[i-1]->getCpbRemovalDelayLengthMinus1() );
702        assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() );
703        assert( hrdVec[i]->getSubPicCpbParamsPresentFlag()    == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() );
704      }
705    }
706    pHRD = hrdVec[schedSelIdx];
707  }
708  else
709  {
710    const TComVUI *vui = sps->getVuiParameters();
711    pHRD = vui->getHrdParameters();
712  }
713  // To be done: When contained in an BSP HRD SEI message, the hrd structure is to be chosen differently.
714#else
715  const TComVUI *pVUI = sps->getVuiParameters();
716  const TComHRD *pHRD = pVUI->getHrdParameters();
717#endif
718
719  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
720
721  sei_read_uvlc( pDecodedMessageOutputStream, code, "bp_seq_parameter_set_id" );                         sei.m_bpSeqParameterSetId     = code;
722  if( !pHRD->getSubPicCpbParamsPresentFlag() )
723  {
724    sei_read_flag( pDecodedMessageOutputStream, code, "irap_cpb_params_present_flag" );                   sei.m_rapCpbParamsPresentFlag = code;
725  }
726  if( sei.m_rapCpbParamsPresentFlag )
727  {
728    sei_read_code( pDecodedMessageOutputStream, pHRD->getCpbRemovalDelayLengthMinus1() + 1, code, "cpb_delay_offset" );      sei.m_cpbDelayOffset = code;
729    sei_read_code( pDecodedMessageOutputStream, pHRD->getDpbOutputDelayLengthMinus1()  + 1, code, "dpb_delay_offset" );      sei.m_dpbDelayOffset = code;
730  }
731
732  //read splicing flag and cpb_removal_delay_delta
733  sei_read_flag( pDecodedMessageOutputStream, code, "concatenation_flag");
734  sei.m_concatenationFlag = code;
735  sei_read_code( pDecodedMessageOutputStream, ( pHRD->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_delta_minus1" );
736  sei.m_auCpbRemovalDelayDelta = code + 1;
737
738  for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
739  {
740    if( ( ( nalOrVcl == 0 ) && ( pHRD->getNalHrdParametersPresentFlag() ) ) ||
741        ( ( nalOrVcl == 1 ) && ( pHRD->getVclHrdParametersPresentFlag() ) ) )
742    {
743      for( i = 0; i < ( pHRD->getCpbCntMinus1( 0 ) + 1 ); i ++ )
744      {
745        sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_delay":"nal_initial_cpb_removal_delay" );
746        sei.m_initialCpbRemovalDelay[i][nalOrVcl] = code;
747        sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_offset":"vcl_initial_cpb_removal_offset" );
748        sei.m_initialCpbRemovalDelayOffset[i][nalOrVcl] = code;
749        if( pHRD->getSubPicCpbParamsPresentFlag() || sei.m_rapCpbParamsPresentFlag )
750        {
751          sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_delay":"vcl_initial_alt_cpb_removal_delay" );
752          sei.m_initialAltCpbRemovalDelay[i][nalOrVcl] = code;
753          sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_offset":"vcl_initial_alt_cpb_removal_offset" );
754          sei.m_initialAltCpbRemovalDelayOffset[i][nalOrVcl] = code;
755        }
756      }
757    }
758  }
759
760#if P0138_USE_ALT_CPB_PARAMS_FLAG
761  sei.m_useAltCpbParamsFlag = false;
762  sei.m_useAltCpbParamsFlagPresent = false;
763  if (xPayloadExtensionPresent())
764  {
765    sei_read_flag( pDecodedMessageOutputStream, code, "use_alt_cpb_params_flag");
766    sei.m_useAltCpbParamsFlag = code;
767    sei.m_useAltCpbParamsFlagPresent = true;
768  }
769#endif
770}
771
772#if SVC_EXTENSION
773Void SEIReader::xParseSEIPictureTiming(SEIPictureTiming& sei, UInt payloadSize, const TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
774#else
775Void SEIReader::xParseSEIPictureTiming(SEIPictureTiming& sei, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
776#endif
777{
778  Int i;
779  UInt code;
780
781#if SVC_EXTENSION
782  const TComHRD *hrd;   
783  const TComVUI *vui = sps->getVuiParameters(); 
784  if( bspNestingSei )   // If BP SEI contained inside a BSP nesting SEI message
785  {
786    assert( nestingSei );
787    Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx;
788    Int seiOlsIdx = bspNestingSei->m_seiOlsIdx;
789    Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1;
790    Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
791    std::vector<Int> hrdIdx(maxValues, 0);
792    std::vector<const TComHRD*> hrdVec;
793    std::vector<Int> syntaxElemLen(maxValues, 0);
794    for(i = 0; i < maxValues; i++)
795    {
796      hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx);
797      hrdVec.push_back(vps->getBspHrd(hrdIdx[i]));
798   
799      syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
800      if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
801      {
802        assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23
803      }
804      if( i > 0 )
805      {
806        assert( hrdVec[i]->getSubPicCpbParamsPresentFlag()    == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() );
807        assert( hrdVec[i]->getSubPicCpbParamsInPicTimingSEIFlag()   == hrdVec[i-1]->getSubPicCpbParamsInPicTimingSEIFlag() );
808        assert( hrdVec[i]->getCpbRemovalDelayLengthMinus1()  == hrdVec[i-1]->getCpbRemovalDelayLengthMinus1() );
809        assert( hrdVec[i]->getDpbOutputDelayLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayLengthMinus1() );
810        assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() );
811        assert( hrdVec[i]->getDuCpbRemovalDelayLengthMinus1()  == hrdVec[i-1]->getDuCpbRemovalDelayLengthMinus1() );
812        // To be done: Check CpbDpbDelaysPresentFlag
813      }
814    }
815    hrd = hrdVec[0];
816  }
817  else
818  {
819    hrd = vui->getHrdParameters();
820  }
821  // To be done: When contained in an BSP HRD SEI message, the hrd structure is to be chosen differently.
822#else
823  const TComVUI *vui = sps->getVuiParameters();
824  const TComHRD *hrd = vui->getHrdParameters();
825#endif
826  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
827
828  if( vui->getFrameFieldInfoPresentFlag() )
829  {
830    sei_read_code( pDecodedMessageOutputStream, 4, code, "pic_struct" );             sei.m_picStruct            = code;
831    sei_read_code( pDecodedMessageOutputStream, 2, code, "source_scan_type" );       sei.m_sourceScanType       = code;
832    sei_read_flag( pDecodedMessageOutputStream,    code, "duplicate_flag" );         sei.m_duplicateFlag        = (code == 1);
833  }
834
835  if( hrd->getCpbDpbDelaysPresentFlag())
836  {
837    sei_read_code( pDecodedMessageOutputStream, ( hrd->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_minus1" );
838    sei.m_auCpbRemovalDelay = code + 1;
839    sei_read_code( pDecodedMessageOutputStream, ( hrd->getDpbOutputDelayLengthMinus1() + 1 ), code, "pic_dpb_output_delay" );
840    sei.m_picDpbOutputDelay = code;
841
842    if(hrd->getSubPicCpbParamsPresentFlag())
843    {
844      sei_read_code( pDecodedMessageOutputStream, hrd->getDpbOutputDelayDuLengthMinus1()+1, code, "pic_dpb_output_du_delay" );
845      sei.m_picDpbOutputDuDelay = code;
846    }
847
848    if( hrd->getSubPicCpbParamsPresentFlag() && hrd->getSubPicCpbParamsInPicTimingSEIFlag() )
849    {
850      sei_read_uvlc( pDecodedMessageOutputStream, code, "num_decoding_units_minus1");
851      sei.m_numDecodingUnitsMinus1 = code;
852      sei_read_flag( pDecodedMessageOutputStream, code, "du_common_cpb_removal_delay_flag" );
853      sei.m_duCommonCpbRemovalDelayFlag = code;
854      if( sei.m_duCommonCpbRemovalDelayFlag )
855      {
856        sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_common_cpb_removal_delay_increment_minus1" );
857        sei.m_duCommonCpbRemovalDelayMinus1 = code;
858      }
859      sei.m_numNalusInDuMinus1.resize(sei.m_numDecodingUnitsMinus1 + 1 );
860      sei.m_duCpbRemovalDelayMinus1.resize( sei.m_numDecodingUnitsMinus1 + 1 );
861
862      for( i = 0; i <= sei.m_numDecodingUnitsMinus1; i ++ )
863      {
864        sei_read_uvlc( pDecodedMessageOutputStream, code, "num_nalus_in_du_minus1[i]");
865        sei.m_numNalusInDuMinus1[ i ] = code;
866        if( ( !sei.m_duCommonCpbRemovalDelayFlag ) && ( i < sei.m_numDecodingUnitsMinus1 ) )
867        {
868          sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_cpb_removal_delay_minus1[i]" );
869          sei.m_duCpbRemovalDelayMinus1[ i ] = code;
870        }
871      }
872    }
873  }
874}
875
876Void SEIReader::xParseSEIRecoveryPoint(SEIRecoveryPoint& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
877{
878  Int  iCode;
879  UInt uiCode;
880  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
881
882  sei_read_svlc( pDecodedMessageOutputStream, iCode,  "recovery_poc_cnt" );      sei.m_recoveryPocCnt     = iCode;
883  sei_read_flag( pDecodedMessageOutputStream, uiCode, "exact_matching_flag" );   sei.m_exactMatchingFlag  = uiCode;
884  sei_read_flag( pDecodedMessageOutputStream, uiCode, "broken_link_flag" );      sei.m_brokenLinkFlag     = uiCode;
885}
886
887Void SEIReader::xParseSEIFramePacking(SEIFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
888{
889  UInt val;
890  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
891
892  sei_read_uvlc( pDecodedMessageOutputStream, val, "frame_packing_arrangement_id" );                 sei.m_arrangementId = val;
893  sei_read_flag( pDecodedMessageOutputStream, val, "frame_packing_arrangement_cancel_flag" );        sei.m_arrangementCancelFlag = val;
894
895  if ( !sei.m_arrangementCancelFlag )
896  {
897    sei_read_code( pDecodedMessageOutputStream, 7, val, "frame_packing_arrangement_type" );          sei.m_arrangementType = val;
898    assert((sei.m_arrangementType > 2) && (sei.m_arrangementType < 6) );
899
900    sei_read_flag( pDecodedMessageOutputStream, val, "quincunx_sampling_flag" );                     sei.m_quincunxSamplingFlag = val;
901
902    sei_read_code( pDecodedMessageOutputStream, 6, val, "content_interpretation_type" );             sei.m_contentInterpretationType = val;
903    sei_read_flag( pDecodedMessageOutputStream, val, "spatial_flipping_flag" );                      sei.m_spatialFlippingFlag = val;
904    sei_read_flag( pDecodedMessageOutputStream, val, "frame0_flipped_flag" );                        sei.m_frame0FlippedFlag = val;
905    sei_read_flag( pDecodedMessageOutputStream, val, "field_views_flag" );                           sei.m_fieldViewsFlag = val;
906    sei_read_flag( pDecodedMessageOutputStream, val, "current_frame_is_frame0_flag" );               sei.m_currentFrameIsFrame0Flag = val;
907    sei_read_flag( pDecodedMessageOutputStream, val, "frame0_self_contained_flag" );                 sei.m_frame0SelfContainedFlag = val;
908    sei_read_flag( pDecodedMessageOutputStream, val, "frame1_self_contained_flag" );                 sei.m_frame1SelfContainedFlag = val;
909
910    if ( sei.m_quincunxSamplingFlag == 0 && sei.m_arrangementType != 5)
911    {
912      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_x" );                sei.m_frame0GridPositionX = val;
913      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_y" );                sei.m_frame0GridPositionY = val;
914      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_x" );                sei.m_frame1GridPositionX = val;
915      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_y" );                sei.m_frame1GridPositionY = val;
916    }
917
918    sei_read_code( pDecodedMessageOutputStream, 8, val, "frame_packing_arrangement_reserved_byte" );   sei.m_arrangementReservedByte = val;
919    sei_read_flag( pDecodedMessageOutputStream, val,  "frame_packing_arrangement_persistence_flag" );  sei.m_arrangementPersistenceFlag = (val != 0);
920  }
921  sei_read_flag( pDecodedMessageOutputStream, val, "upsampled_aspect_ratio_flag" );                  sei.m_upsampledAspectRatio = val;
922}
923
924Void SEIReader::xParseSEISegmentedRectFramePacking(SEISegmentedRectFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
925{
926  UInt val;
927  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
928  sei_read_flag( pDecodedMessageOutputStream, val,       "segmented_rect_frame_packing_arrangement_cancel_flag" );       sei.m_arrangementCancelFlag            = val;
929  if( !sei.m_arrangementCancelFlag )
930  {
931    sei_read_code( pDecodedMessageOutputStream, 2, val, "segmented_rect_content_interpretation_type" );                sei.m_contentInterpretationType = val;
932    sei_read_flag( pDecodedMessageOutputStream, val,     "segmented_rect_frame_packing_arrangement_persistence" );                              sei.m_arrangementPersistenceFlag               = val;
933  }
934}
935
936Void SEIReader::xParseSEIDisplayOrientation(SEIDisplayOrientation& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
937{
938  UInt val;
939  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
940  sei_read_flag( pDecodedMessageOutputStream, val,       "display_orientation_cancel_flag" );       sei.cancelFlag            = val;
941  if( !sei.cancelFlag )
942  {
943    sei_read_flag( pDecodedMessageOutputStream, val,     "hor_flip" );                              sei.horFlip               = val;
944    sei_read_flag( pDecodedMessageOutputStream, val,     "ver_flip" );                              sei.verFlip               = val;
945    sei_read_code( pDecodedMessageOutputStream, 16, val, "anticlockwise_rotation" );                sei.anticlockwiseRotation = val;
946    sei_read_flag( pDecodedMessageOutputStream, val,     "display_orientation_persistence_flag" );  sei.persistenceFlag       = val;
947  }
948}
949
950Void SEIReader::xParseSEITemporalLevel0Index(SEITemporalLevel0Index& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
951{
952  UInt val;
953  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
954  sei_read_code( pDecodedMessageOutputStream, 8, val, "temporal_sub_layer_zero_idx" );  sei.tl0Idx = val;
955  sei_read_code( pDecodedMessageOutputStream, 8, val, "irap_pic_id" );  sei.rapIdx = val;
956}
957
958Void SEIReader::xParseSEIRegionRefreshInfo(SEIGradualDecodingRefreshInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
959{
960  UInt val;
961  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
962  sei_read_flag( pDecodedMessageOutputStream, val, "refreshed_region_flag" ); sei.m_gdrForegroundFlag = val ? 1 : 0;
963}
964
965Void SEIReader::xParseSEINoDisplay(SEINoDisplay& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
966{
967  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
968  sei.m_noDisplay = true;
969}
970
971Void SEIReader::xParseSEIToneMappingInfo(SEIToneMappingInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
972{
973  Int i;
974  UInt val;
975  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
976  sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_id" );                         sei.m_toneMapId = val;
977  sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_cancel_flag" );                sei.m_toneMapCancelFlag = val;
978
979  if ( !sei.m_toneMapCancelFlag )
980  {
981    sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_persistence_flag" );         sei.m_toneMapPersistenceFlag = val;
982    sei_read_code( pDecodedMessageOutputStream, 8, val, "coded_data_bit_depth" );           sei.m_codedDataBitDepth = val;
983    sei_read_code( pDecodedMessageOutputStream, 8, val, "target_bit_depth" );               sei.m_targetBitDepth = val;
984    sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_model_id" );                 sei.m_modelId = val;
985    switch(sei.m_modelId)
986    {
987    case 0:
988      {
989        sei_read_code( pDecodedMessageOutputStream, 32, val, "min_value" );                 sei.m_minValue = val;
990        sei_read_code( pDecodedMessageOutputStream, 32, val, "max_value" );                 sei.m_maxValue = val;
991        break;
992      }
993    case 1:
994      {
995        sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_midpoint" );          sei.m_sigmoidMidpoint = val;
996        sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_width" );             sei.m_sigmoidWidth = val;
997        break;
998      }
999    case 2:
1000      {
1001        UInt num = 1u << sei.m_targetBitDepth;
1002        sei.m_startOfCodedInterval.resize(num+1);
1003        for(i = 0; i < num; i++)
1004        {
1005          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "start_of_coded_interval[i]" );
1006          sei.m_startOfCodedInterval[i] = val;
1007        }
1008        sei.m_startOfCodedInterval[num] = 1u << sei.m_codedDataBitDepth;
1009        break;
1010      }
1011    case 3:
1012      {
1013        sei_read_code( pDecodedMessageOutputStream, 16, val,  "num_pivots" );                       sei.m_numPivots = val;
1014        sei.m_codedPivotValue.resize(sei.m_numPivots);
1015        sei.m_targetPivotValue.resize(sei.m_numPivots);
1016        for(i = 0; i < sei.m_numPivots; i++ )
1017        {
1018          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "coded_pivot_value[i]" );
1019          sei.m_codedPivotValue[i] = val;
1020          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_targetBitDepth + 7 ) >> 3 ) << 3),    val, "target_pivot_value[i]" );
1021          sei.m_targetPivotValue[i] = val;
1022        }
1023        break;
1024      }
1025    case 4:
1026      {
1027        sei_read_code( pDecodedMessageOutputStream, 8, val, "camera_iso_speed_idc" );                     sei.m_cameraIsoSpeedIdc = val;
1028        if( sei.m_cameraIsoSpeedIdc == 255) //Extended_ISO
1029        {
1030          sei_read_code( pDecodedMessageOutputStream, 32,   val,   "camera_iso_speed_value" );            sei.m_cameraIsoSpeedValue = val;
1031        }
1032        sei_read_code( pDecodedMessageOutputStream, 8, val, "exposure_index_idc" );                       sei.m_exposureIndexIdc = val;
1033        if( sei.m_exposureIndexIdc == 255) //Extended_ISO
1034        {
1035          sei_read_code( pDecodedMessageOutputStream, 32,   val,   "exposure_index_value" );              sei.m_exposureIndexValue = val;
1036        }
1037        sei_read_flag( pDecodedMessageOutputStream, val, "exposure_compensation_value_sign_flag" );       sei.m_exposureCompensationValueSignFlag = val;
1038        sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_numerator" );   sei.m_exposureCompensationValueNumerator = val;
1039        sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_denom_idc" );   sei.m_exposureCompensationValueDenomIdc = val;
1040        sei_read_code( pDecodedMessageOutputStream, 32, val, "ref_screen_luminance_white" );              sei.m_refScreenLuminanceWhite = val;
1041        sei_read_code( pDecodedMessageOutputStream, 32, val, "extended_range_white_level" );              sei.m_extendedRangeWhiteLevel = val;
1042        sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_black_level_code_value" );          sei.m_nominalBlackLevelLumaCodeValue = val;
1043        sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_white_level_code_value" );          sei.m_nominalWhiteLevelLumaCodeValue= val;
1044        sei_read_code( pDecodedMessageOutputStream, 16, val, "extended_white_level_code_value" );         sei.m_extendedWhiteLevelLumaCodeValue = val;
1045        break;
1046      }
1047    default:
1048      {
1049        assert(!"Undefined SEIToneMapModelId");
1050        break;
1051      }
1052    }//switch model id
1053  }// if(!sei.m_toneMapCancelFlag)
1054}
1055
1056Void SEIReader::xParseSEISOPDescription(SEISOPDescription &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1057{
1058  Int iCode;
1059  UInt uiCode;
1060  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1061
1062  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "sop_seq_parameter_set_id"            ); sei.m_sopSeqParameterSetId = uiCode;
1063  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "num_pics_in_sop_minus1"              ); sei.m_numPicsInSopMinus1 = uiCode;
1064  for (UInt i = 0; i <= sei.m_numPicsInSopMinus1; i++)
1065  {
1066    sei_read_code( pDecodedMessageOutputStream, 6, uiCode,                     "sop_vcl_nut[i]" );  sei.m_sopDescVclNaluType[i] = uiCode;
1067    sei_read_code( pDecodedMessageOutputStream, 3, sei.m_sopDescTemporalId[i], "sop_temporal_id[i]"   );  sei.m_sopDescTemporalId[i] = uiCode;
1068    if (sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_W_RADL && sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_N_LP)
1069    {
1070      sei_read_uvlc( pDecodedMessageOutputStream, sei.m_sopDescStRpsIdx[i],    "sop_short_term_rps_idx[i]"    ); sei.m_sopDescStRpsIdx[i] = uiCode;
1071    }
1072    if (i > 0)
1073    {
1074      sei_read_svlc( pDecodedMessageOutputStream, iCode,                       "sop_poc_delta[i]"     ); sei.m_sopDescPocDelta[i] = iCode;
1075    }
1076  }
1077}
1078
1079#if LAYERS_NOT_PRESENT_SEI
1080Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, const TComVPS *vps, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
1081#else
1082Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, const TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
1083#endif
1084{
1085  UInt uiCode;
1086  SEIMessages seis;
1087  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1088
1089  sei_read_flag( pDecodedMessageOutputStream, uiCode,            "bitstream_subset_flag"         ); sei.m_bitStreamSubsetFlag = uiCode;
1090  sei_read_flag( pDecodedMessageOutputStream, uiCode,            "nesting_op_flag"               ); sei.m_nestingOpFlag = uiCode;
1091  if (sei.m_nestingOpFlag)
1092  {
1093    sei_read_flag( pDecodedMessageOutputStream, uiCode,            "default_op_flag"               ); sei.m_defaultOpFlag = uiCode;
1094    sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_num_ops_minus1"        ); sei.m_nestingNumOpsMinus1 = uiCode;
1095    for (UInt i = sei.m_defaultOpFlag; i <= sei.m_nestingNumOpsMinus1; i++)
1096    {
1097      sei_read_code( pDecodedMessageOutputStream, 3,        uiCode,  "nesting_max_temporal_id_plus1[i]"   ); sei.m_nestingMaxTemporalIdPlus1[i] = uiCode;
1098      sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_op_idx[i]"                  ); sei.m_nestingOpIdx[i] = uiCode;
1099    }
1100  }
1101  else
1102  {
1103    sei_read_flag( pDecodedMessageOutputStream, uiCode,            "all_layers_flag"               ); sei.m_allLayersFlag       = uiCode;
1104    if (!sei.m_allLayersFlag)
1105    {
1106      sei_read_code( pDecodedMessageOutputStream, 3,        uiCode,  "nesting_no_op_max_temporal_id_plus1"  ); sei.m_nestingNoOpMaxTemporalIdPlus1 = uiCode;
1107      sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_num_layers_minus1"            ); sei.m_nestingNumLayersMinus1        = uiCode;
1108      for (UInt i = 0; i <= sei.m_nestingNumLayersMinus1; i++)
1109      {
1110        sei_read_code( pDecodedMessageOutputStream, 6,           uiCode,     "nesting_layer_id[i]"      ); sei.m_nestingLayerId[i]   = uiCode;
1111      }
1112    }
1113  }
1114
1115  // byte alignment
1116  while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1117  {
1118    UInt code;
1119    sei_read_flag( pDecodedMessageOutputStream, code, "nesting_zero_bit" );
1120  }
1121
1122  // read nested SEI messages
1123  do
1124  {
1125#if O0164_MULTI_LAYER_HRD
1126#if LAYERS_NOT_PRESENT_SEI
1127    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream, &sei);
1128#else
1129    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream, &sei);
1130#endif
1131#else
1132#if LAYERS_NOT_PRESENT_SEI
1133    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream);
1134#else
1135    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream);
1136#endif
1137#endif
1138  } while (m_pcBitstream->getNumBitsLeft() > 8);
1139
1140  if (pDecodedMessageOutputStream)
1141  {
1142    (*pDecodedMessageOutputStream) << "End of scalable nesting SEI message\n";
1143  }
1144}
1145
1146Void SEIReader::xParseSEITempMotionConstraintsTileSets(SEITempMotionConstrainedTileSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1147{
1148  UInt code;
1149  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1150  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);
1151  sei_read_flag( pDecodedMessageOutputStream, code, "each_tile_one_tile_set_flag");                 sei.m_each_tile_one_tile_set_flag                = (code != 0);
1152
1153  if(!sei.m_each_tile_one_tile_set_flag)
1154  {
1155    sei_read_flag( pDecodedMessageOutputStream, code, "limited_tile_set_display_flag");  sei.m_limited_tile_set_display_flag = (code != 0);
1156    sei_read_uvlc( pDecodedMessageOutputStream, code, "num_sets_in_message_minus1");     sei.setNumberOfTileSets(code + 1);
1157
1158    if(sei.getNumberOfTileSets() != 0)
1159    {
1160      for(Int i = 0; i < sei.getNumberOfTileSets(); i++)
1161      {
1162        sei_read_uvlc( pDecodedMessageOutputStream, code, "mcts_id");  sei.tileSetData(i).m_mcts_id = code;
1163
1164        if(sei.m_limited_tile_set_display_flag)
1165        {
1166          sei_read_flag( pDecodedMessageOutputStream, code, "display_tile_set_flag");  sei.tileSetData(i).m_display_tile_set_flag = (code != 1);
1167        }
1168
1169        sei_read_uvlc( pDecodedMessageOutputStream, code, "num_tile_rects_in_set_minus1");  sei.tileSetData(i).setNumberOfTileRects(code + 1);
1170
1171        for(Int j=0; j<sei.tileSetData(i).getNumberOfTileRects(); j++)
1172        {
1173          sei_read_uvlc( pDecodedMessageOutputStream, code, "top_left_tile_index");      sei.tileSetData(i).topLeftTileIndex(j)     = code;
1174          sei_read_uvlc( pDecodedMessageOutputStream, code, "bottom_right_tile_index");  sei.tileSetData(i).bottomRightTileIndex(j) = code;
1175        }
1176
1177        if(!sei.m_mc_all_tiles_exact_sample_value_match_flag)
1178        {
1179          sei_read_flag( pDecodedMessageOutputStream, code, "exact_sample_value_match_flag");   sei.tileSetData(i).m_exact_sample_value_match_flag    = (code != 0);
1180        }
1181        sei_read_flag( pDecodedMessageOutputStream, code, "mcts_tier_level_idc_present_flag");  sei.tileSetData(i).m_mcts_tier_level_idc_present_flag = (code != 0);
1182
1183        if(sei.tileSetData(i).m_mcts_tier_level_idc_present_flag)
1184        {
1185          sei_read_flag( pDecodedMessageOutputStream, code,    "mcts_tier_flag"); sei.tileSetData(i).m_mcts_tier_flag = (code != 0);
1186          sei_read_code( pDecodedMessageOutputStream, 8, code, "mcts_level_idc"); sei.tileSetData(i).m_mcts_level_idc =  code;
1187        }
1188      }
1189    }
1190  }
1191  else
1192  {
1193    sei_read_flag( pDecodedMessageOutputStream, code, "max_mcs_tier_level_idc_present_flag");  sei.m_max_mcs_tier_level_idc_present_flag = code;
1194    if(sei.m_max_mcs_tier_level_idc_present_flag)
1195    {
1196      sei_read_flag( pDecodedMessageOutputStream, code, "max_mcts_tier_flag");  sei.m_max_mcts_tier_flag = code;
1197      sei_read_code( pDecodedMessageOutputStream, 8, code, "max_mcts_level_idc"); sei.m_max_mcts_level_idc = code;
1198    }
1199  }
1200}
1201
1202Void SEIReader::xParseSEITimeCode(SEITimeCode& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1203{
1204  UInt code;
1205  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1206  sei_read_code( pDecodedMessageOutputStream, 2, code, "num_clock_ts"); sei.numClockTs = code;
1207  for(Int i = 0; i < sei.numClockTs; i++)
1208  {
1209    TComSEITimeSet currentTimeSet;
1210    sei_read_flag( pDecodedMessageOutputStream, code, "clock_time_stamp_flag[i]"); currentTimeSet.clockTimeStampFlag = code;
1211    if(currentTimeSet.clockTimeStampFlag)
1212    {
1213      sei_read_flag( pDecodedMessageOutputStream, code, "nuit_field_based_flag"); currentTimeSet.numUnitFieldBasedFlag = code;
1214      sei_read_code( pDecodedMessageOutputStream, 5, code, "counting_type"); currentTimeSet.countingType = code;
1215      sei_read_flag( pDecodedMessageOutputStream, code, "full_timestamp_flag"); currentTimeSet.fullTimeStampFlag = code;
1216      sei_read_flag( pDecodedMessageOutputStream, code, "discontinuity_flag"); currentTimeSet.discontinuityFlag = code;
1217      sei_read_flag( pDecodedMessageOutputStream, code, "cnt_dropped_flag"); currentTimeSet.cntDroppedFlag = code;
1218      sei_read_code( pDecodedMessageOutputStream, 9, code, "n_frames"); currentTimeSet.numberOfFrames = code;
1219      if(currentTimeSet.fullTimeStampFlag)
1220      {
1221        sei_read_code( pDecodedMessageOutputStream, 6, code, "seconds_value"); currentTimeSet.secondsValue = code;
1222        sei_read_code( pDecodedMessageOutputStream, 6, code, "minutes_value"); currentTimeSet.minutesValue = code;
1223        sei_read_code( pDecodedMessageOutputStream, 5, code, "hours_value"); currentTimeSet.hoursValue = code;
1224      }
1225      else
1226      {
1227        sei_read_flag( pDecodedMessageOutputStream, code, "seconds_flag"); currentTimeSet.secondsFlag = code;
1228        if(currentTimeSet.secondsFlag)
1229        {
1230          sei_read_code( pDecodedMessageOutputStream, 6, code, "seconds_value"); currentTimeSet.secondsValue = code;
1231          sei_read_flag( pDecodedMessageOutputStream, code, "minutes_flag"); currentTimeSet.minutesFlag = code;
1232          if(currentTimeSet.minutesFlag)
1233          {
1234            sei_read_code( pDecodedMessageOutputStream, 6, code, "minutes_value"); currentTimeSet.minutesValue = code;
1235            sei_read_flag( pDecodedMessageOutputStream, code, "hours_flag"); currentTimeSet.hoursFlag = code;
1236            if(currentTimeSet.hoursFlag)
1237            {
1238              sei_read_code( pDecodedMessageOutputStream, 5, code, "hours_value"); currentTimeSet.hoursValue = code;
1239            }
1240          }
1241        }
1242      }
1243      sei_read_code( pDecodedMessageOutputStream, 5, code, "time_offset_length"); currentTimeSet.timeOffsetLength = code;
1244      if(currentTimeSet.timeOffsetLength > 0)
1245      {
1246        sei_read_code( pDecodedMessageOutputStream, currentTimeSet.timeOffsetLength, code, "time_offset_value");
1247        if((code & (1 << (currentTimeSet.timeOffsetLength-1))) == 0)
1248        {
1249          currentTimeSet.timeOffsetValue = code;
1250        }
1251        else
1252        {
1253          code &= (1<< (currentTimeSet.timeOffsetLength-1)) - 1;
1254          currentTimeSet.timeOffsetValue = ~code + 1;
1255        }
1256      }
1257    }
1258    sei.timeSetArray[i] = currentTimeSet;
1259  }
1260}
1261
1262Void SEIReader::xParseSEIChromaResamplingFilterHint(SEIChromaResamplingFilterHint& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1263{
1264  UInt uiCode;
1265  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1266
1267  sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "ver_chroma_filter_idc"); sei.m_verChromaFilterIdc = uiCode;
1268  sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "hor_chroma_filter_idc"); sei.m_horChromaFilterIdc = uiCode;
1269  sei_read_flag( pDecodedMessageOutputStream, uiCode, "ver_filtering_field_processing_flag"); sei.m_verFilteringFieldProcessingFlag = uiCode;
1270  if(sei.m_verChromaFilterIdc == 1 || sei.m_horChromaFilterIdc == 1)
1271  {
1272    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "target_format_idc"); sei.m_targetFormatIdc = uiCode;
1273    if(sei.m_verChromaFilterIdc == 1)
1274    {
1275      UInt numVerticalFilters;
1276      sei_read_uvlc( pDecodedMessageOutputStream, numVerticalFilters, "num_vertical_filters"); sei.m_verFilterCoeff.resize(numVerticalFilters);
1277      if(numVerticalFilters > 0)
1278      {
1279        for(Int i = 0; i < numVerticalFilters; i++)
1280        {
1281          UInt verTapLengthMinus1;
1282          sei_read_uvlc( pDecodedMessageOutputStream, verTapLengthMinus1, "ver_tap_length_minus_1"); sei.m_verFilterCoeff[i].resize(verTapLengthMinus1+1);
1283          for(Int j = 0; j < (verTapLengthMinus1 + 1); j++)
1284          {
1285            sei_read_svlc( pDecodedMessageOutputStream, sei.m_verFilterCoeff[i][j], "ver_filter_coeff");
1286          }
1287        }
1288      }
1289    }
1290    if(sei.m_horChromaFilterIdc == 1)
1291    {
1292      UInt numHorizontalFilters;
1293      sei_read_uvlc( pDecodedMessageOutputStream, numHorizontalFilters, "num_horizontal_filters"); sei.m_horFilterCoeff.resize(numHorizontalFilters);
1294      if(numHorizontalFilters  > 0)
1295      {
1296        for(Int i = 0; i < numHorizontalFilters; i++)
1297        {
1298          UInt horTapLengthMinus1;
1299          sei_read_uvlc( pDecodedMessageOutputStream, horTapLengthMinus1, "hor_tap_length_minus_1"); sei.m_horFilterCoeff[i].resize(horTapLengthMinus1+1);
1300          for(Int j = 0; j < (horTapLengthMinus1 + 1); j++)
1301          {
1302            sei_read_svlc( pDecodedMessageOutputStream, sei.m_horFilterCoeff[i][j], "hor_filter_coeff");
1303          }
1304        }
1305      }
1306    }
1307  }
1308}
1309
1310Void SEIReader::xParseSEIKneeFunctionInfo(SEIKneeFunctionInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1311{
1312  Int i;
1313  UInt val;
1314  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1315
1316  sei_read_uvlc( pDecodedMessageOutputStream, val, "knee_function_id" );                   sei.m_kneeId = val;
1317  sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_cancel_flag" );          sei.m_kneeCancelFlag = val;
1318  if ( !sei.m_kneeCancelFlag )
1319  {
1320    sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_persistence_flag" );   sei.m_kneePersistenceFlag = val;
1321    sei_read_code( pDecodedMessageOutputStream, 32, val, "input_d_range" );                sei.m_kneeInputDrange = val;
1322    sei_read_code( pDecodedMessageOutputStream, 32, val, "input_disp_luminance" );         sei.m_kneeInputDispLuminance = val;
1323    sei_read_code( pDecodedMessageOutputStream, 32, val, "output_d_range" );               sei.m_kneeOutputDrange = val;
1324    sei_read_code( pDecodedMessageOutputStream, 32, val, "output_disp_luminance" );        sei.m_kneeOutputDispLuminance = val;
1325    sei_read_uvlc( pDecodedMessageOutputStream, val, "num_knee_points_minus1" );           sei.m_kneeNumKneePointsMinus1 = val;
1326    assert( sei.m_kneeNumKneePointsMinus1 > 0 );
1327    sei.m_kneeInputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1);
1328    sei.m_kneeOutputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1);
1329    for(i = 0; i <= sei.m_kneeNumKneePointsMinus1; i++ )
1330    {
1331      sei_read_code( pDecodedMessageOutputStream, 10, val, "input_knee_point" );           sei.m_kneeInputKneePoint[i] = val;
1332      sei_read_code( pDecodedMessageOutputStream, 10, val, "output_knee_point" );          sei.m_kneeOutputKneePoint[i] = val;
1333    }
1334  }
1335}
1336
1337Void SEIReader::xParseSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1338{
1339  UInt code;
1340  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1341
1342  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[0]" ); sei.values.primaries[0][0] = code;
1343  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[0]" ); sei.values.primaries[0][1] = code;
1344
1345  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[1]" ); sei.values.primaries[1][0] = code;
1346  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[1]" ); sei.values.primaries[1][1] = code;
1347
1348  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[2]" ); sei.values.primaries[2][0] = code;
1349  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[2]" ); sei.values.primaries[2][1] = code;
1350
1351
1352  sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_x" ); sei.values.whitePoint[0] = code;
1353  sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_y" ); sei.values.whitePoint[1] = code;
1354
1355  sei_read_code( pDecodedMessageOutputStream, 32, code, "max_display_mastering_luminance" ); sei.values.maxLuminance = code;
1356  sei_read_code( pDecodedMessageOutputStream, 32, code, "min_display_mastering_luminance" ); sei.values.minLuminance = code;
1357}
1358
1359#if Q0074_COLOUR_REMAPPING_SEI
1360Void SEIReader::xParseSEIColourRemappingInfo(SEIColourRemappingInfo& sei, UInt /*payloadSize*/, std::ostream *pDecodedMessageOutputStream)
1361{
1362  UInt  uiVal;
1363  Int   iVal;
1364
1365  sei_read_uvlc( pDecodedMessageOutputStream, uiVal, "colour_remap_id" );          sei.m_colourRemapId = uiVal;
1366  sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_cancel_flag" ); sei.m_colourRemapCancelFlag = uiVal;
1367  if( !sei.m_colourRemapCancelFlag ) 
1368  {
1369    sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_persistence_flag" );                sei.m_colourRemapPersistenceFlag = uiVal;
1370    sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_video_signal_info_present_flag" );  sei.m_colourRemapVideoSignalInfoPresentFlag = uiVal;
1371    if ( sei.m_colourRemapVideoSignalInfoPresentFlag )
1372    {
1373      sei_read_flag( pDecodedMessageOutputStream, uiVal,    "colour_remap_full_range_flag" );           sei.m_colourRemapFullRangeFlag = uiVal;
1374      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_primaries" );                 sei.m_colourRemapPrimaries = uiVal;
1375      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_transfer_function" );         sei.m_colourRemapTransferFunction = uiVal;
1376      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_matrix_coefficients" );       sei.m_colourRemapMatrixCoefficients = uiVal;
1377    }
1378    sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_input_bit_depth" ); sei.m_colourRemapInputBitDepth = uiVal;
1379    sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_bit_depth" ); sei.m_colourRemapBitDepth = uiVal;
1380 
1381    for( Int c=0 ; c<3 ; c++ )
1382    {
1383      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "pre_lut_num_val_minus1[c]" ); sei.m_preLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal;
1384      sei.m_preLutCodedValue[c].resize(sei.m_preLutNumValMinus1[c]+1);
1385      sei.m_preLutTargetValue[c].resize(sei.m_preLutNumValMinus1[c]+1);
1386      if( uiVal> 0 )
1387        for ( Int i=0 ; i<=sei.m_preLutNumValMinus1[c] ; i++ )
1388        {
1389          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapInputBitDepth   + 7 ) >> 3 ) << 3, uiVal, "pre_lut_coded_value[c][i]" );  sei.m_preLutCodedValue[c][i]  = uiVal;
1390          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "pre_lut_target_value[c][i]" ); sei.m_preLutTargetValue[c][i] = uiVal;
1391        }
1392      else // pre_lut_num_val_minus1[c] == 0
1393      {
1394        sei.m_preLutCodedValue[c][0]  = 0;
1395        sei.m_preLutTargetValue[c][0] = 0;
1396        sei.m_preLutCodedValue[c][1]  = (1 << sei.m_colourRemapInputBitDepth) - 1 ;
1397        sei.m_preLutTargetValue[c][1] = (1 << sei.m_colourRemapBitDepth) - 1 ;
1398      }
1399    }
1400
1401    sei_read_flag( pDecodedMessageOutputStream, uiVal,      "colour_remap_matrix_present_flag" ); sei.m_colourRemapMatrixPresentFlag = uiVal;
1402    if( sei.m_colourRemapMatrixPresentFlag )
1403    {
1404      sei_read_code( pDecodedMessageOutputStream, 4, uiVal, "log2_matrix_denom" ); sei.m_log2MatrixDenom = uiVal;
1405      for ( Int c=0 ; c<3 ; c++ )
1406        for ( Int i=0 ; i<3 ; i++ )
1407        {
1408          sei_read_svlc( pDecodedMessageOutputStream, iVal, "colour_remap_coeffs[c][i]" ); sei.m_colourRemapCoeffs[c][i] = iVal;
1409        }
1410    }
1411    else // setting default matrix (I3)
1412    {
1413      sei.m_log2MatrixDenom = 0;
1414      for ( Int c=0 ; c<3 ; c++ )
1415        for ( Int i=0 ; i<3 ; i++ )
1416          sei.m_colourRemapCoeffs[c][i] = (c==i) ? 1 : 0;
1417    }
1418    for( Int c=0 ; c<3 ; c++ )
1419    {
1420      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "post_lut_num_val_minus1[c]" ); sei.m_postLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal;
1421      sei.m_postLutCodedValue[c].resize(sei.m_postLutNumValMinus1[c]+1);
1422      sei.m_postLutTargetValue[c].resize(sei.m_postLutNumValMinus1[c]+1);
1423      if( uiVal > 0 )
1424        for ( Int i=0 ; i<=sei.m_postLutNumValMinus1[c] ; i++ )
1425        {
1426          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_coded_value[c][i]" );  sei.m_postLutCodedValue[c][i] = uiVal;
1427          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_target_value[c][i]" ); sei.m_postLutTargetValue[c][i] = uiVal;
1428        }
1429      else
1430      {
1431        sei.m_postLutCodedValue[c][0]  = 0;
1432        sei.m_postLutTargetValue[c][0] = 0;
1433        sei.m_postLutTargetValue[c][1] = (1 << sei.m_colourRemapBitDepth) - 1;
1434        sei.m_postLutCodedValue[c][1]  = (1 << sei.m_colourRemapBitDepth) - 1;
1435      }
1436    }
1437  }
1438}
1439#endif
1440
1441
1442#if SVC_EXTENSION
1443#if LAYERS_NOT_PRESENT_SEI
1444Void SEIReader::xParseSEILayersNotPresent(SEILayersNotPresent &sei, UInt payloadSize, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
1445{
1446  UInt uiCode;
1447  UInt i = 0;
1448
1449  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "lp_sei_active_vps_id" ); sei.m_activeVpsId = uiCode;
1450  assert(vps->getVPSId() == sei.m_activeVpsId);
1451  sei.m_vpsMaxLayers = vps->getMaxLayers();
1452  for (; i < sei.m_vpsMaxLayers; i++)
1453  {
1454    sei_read_flag( pDecodedMessageOutputStream, uiCode,         "layer_not_present_flag"   ); sei.m_layerNotPresentFlag[i] = uiCode ? true : false;
1455  }
1456  for (; i < MAX_LAYERS; i++)
1457  {
1458    sei.m_layerNotPresentFlag[i] = false;
1459  }
1460}
1461#endif
1462
1463#if N0383_IL_CONSTRAINED_TILE_SETS_SEI
1464Void SEIReader::xParseSEIInterLayerConstrainedTileSets (SEIInterLayerConstrainedTileSets &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1465{
1466  UInt uiCode;
1467
1468  sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_all_tiles_exact_sample_value_match_flag"   ); sei.m_ilAllTilesExactSampleValueMatchFlag = uiCode;
1469  sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_one_tile_per_tile_set_flag"                ); sei.m_ilOneTilePerTileSetFlag = uiCode;
1470  if( !sei.m_ilOneTilePerTileSetFlag )
1471  {
1472    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_num_sets_in_message_minus1"                ); sei.m_ilNumSetsInMessageMinus1 = uiCode;
1473    if( sei.m_ilNumSetsInMessageMinus1 )
1474    {
1475      sei_read_flag( pDecodedMessageOutputStream, uiCode, "skipped_tile_set_present_flag"                ); sei.m_skippedTileSetPresentFlag = uiCode;
1476    }
1477    else
1478    {
1479      sei.m_skippedTileSetPresentFlag = false;
1480    }
1481    UInt numSignificantSets = sei.m_ilNumSetsInMessageMinus1 - (sei.m_skippedTileSetPresentFlag ? 1 : 0) + 1;
1482    for( UInt i = 0; i < numSignificantSets; i++ )
1483    {
1484      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "ilcts_id"                                     ); sei.m_ilctsId[i] = uiCode;
1485      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_num_tile_rects_in_set_minus1"              ) ;sei.m_ilNumTileRectsInSetMinus1[i] = uiCode;
1486      for( UInt j = 0; j <= sei.m_ilNumTileRectsInSetMinus1[i]; j++ )
1487      {
1488        sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_top_left_tile_index"                       ); sei.m_ilTopLeftTileIndex[i][j] = uiCode;
1489        sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_bottom_right_tile_index"                   ); sei.m_ilBottomRightTileIndex[i][j] = uiCode;
1490      }
1491      sei_read_code( pDecodedMessageOutputStream, 2, uiCode, "ilc_idc"                                   ); sei.m_ilcIdc[i] = uiCode;
1492      if( sei.m_ilAllTilesExactSampleValueMatchFlag )
1493      {
1494        sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_exact_sample_value_match_flag"             ); sei.m_ilExactSampleValueMatchFlag[i] = uiCode;
1495      }
1496    }
1497  }
1498  else
1499  {
1500    sei_read_code( pDecodedMessageOutputStream, 2, uiCode, "all_tiles_ilc_idc"                         ); sei.m_allTilesIlcIdc = uiCode;
1501  }
1502}
1503#endif
1504
1505#if SUB_BITSTREAM_PROPERTY_SEI
1506Void SEIReader::xParseSEISubBitstreamProperty(SEISubBitstreamProperty &sei, const TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
1507{
1508  UInt uiCode;
1509  sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "active_vps_id" );                      sei.m_activeVpsId = uiCode;
1510  sei_read_uvlc( pDecodedMessageOutputStream,    uiCode, "num_additional_sub_streams_minus1" );  sei.m_numAdditionalSubStreams = uiCode + 1;
1511
1512  for( Int i = 0; i < sei.m_numAdditionalSubStreams; i++ )
1513  {
1514    sei_read_code( pDecodedMessageOutputStream,  2, uiCode, "sub_bitstream_mode[i]"           ); sei.m_subBitstreamMode[i] = uiCode;
1515    sei_read_uvlc( pDecodedMessageOutputStream,     uiCode, "output_layer_set_idx_to_vps[i]"  );
1516
1517    // The value of output_layer_set_idx_to_vps[ i ]  shall be in the range of 0 to NumOutputLayerSets − 1, inclusive.
1518    assert(uiCode > 0 && uiCode <= vps->getNumOutputLayerSets()-1);
1519
1520    sei.m_outputLayerSetIdxToVps[i] = uiCode;
1521
1522    sei_read_code( pDecodedMessageOutputStream,  3, uiCode, "highest_sub_layer_id[i]"         ); sei.m_highestSublayerId[i] = uiCode;
1523    sei_read_code( pDecodedMessageOutputStream, 16, uiCode, "avg_bit_rate[i]"                 ); sei.m_avgBitRate[i] = uiCode;
1524    sei_read_code( pDecodedMessageOutputStream, 16, uiCode, "max_bit_rate[i]"                 ); sei.m_maxBitRate[i] = uiCode;
1525  } 
1526}
1527#endif
1528
1529#if O0164_MULTI_LAYER_HRD
1530#if LAYERS_NOT_PRESENT_SEI
1531Void SEIReader::xParseSEIBspNesting(SEIBspNesting &sei, const NalUnitType nalUnitType, const TComVPS *vps, const TComSPS *sps, const SEIScalableNesting &nestingSei, std::ostream *pDecodedMessageOutputStream)
1532#else
1533Void SEIReader::xParseSEIBspNesting(SEIBspNesting &sei, const NalUnitType nalUnitType, const TComSPS *sps, const SEIScalableNesting &nestingSei, std::ostream *pDecodedMessageOutputStream)
1534#endif
1535{
1536  UInt uiCode;
1537  sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bsp_idx" ); sei.m_bspIdx = uiCode;
1538
1539  // byte alignment
1540  while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1541  {
1542    UInt code;
1543    sei_read_flag( pDecodedMessageOutputStream, code, "bsp_nesting_zero_bit" );
1544  }
1545
1546  sei.m_callerOwnsSEIs = false;
1547
1548  // read nested SEI messages
1549  Int numSeiMessages = 0;
1550  sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_seis_in_bsp_minus1" );  assert( uiCode <= MAX_SEIS_IN_BSP_NESTING );
1551  numSeiMessages = uiCode;
1552  for(Int i = 0; i < numSeiMessages; i++)
1553  {
1554    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream, &nestingSei, &sei);
1555  }
1556}
1557
1558Void SEIReader::xParseSEIBspInitialArrivalTime(SEIBspInitialArrivalTime &sei, const TComVPS *vps, const TComSPS *sps, const SEIScalableNesting &nestingSei, const SEIBspNesting &bspNestingSei, std::ostream *pDecodedMessageOutputStream)
1559{
1560  assert(vps->getVpsVuiPresentFlag());
1561
1562  UInt uiCode;
1563  Int psIdx         = bspNestingSei.m_seiPartitioningSchemeIdx;
1564  Int seiOlsIdx     = bspNestingSei.m_seiOlsIdx;
1565  Int maxTemporalId = nestingSei.m_nestingMaxTemporalIdPlus1[0];
1566  Int maxValues     = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
1567  std::vector<Int> hrdIdx(0, maxValues);
1568  std::vector<const TComHRD*> hrdVec;
1569  std::vector<Int> syntaxElemLen;
1570  for(Int i = 0; i < maxValues; i++)
1571  {
1572    hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei.m_bspIdx);
1573    hrdVec[i] = vps->getBspHrd(hrdIdx[i]);
1574   
1575    syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
1576    if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
1577    {
1578      assert( syntaxElemLen[i] == 24 ); // Default value of init_cpb_removal_delay_length_minus1 is 23
1579    }
1580    if( i > 0 )
1581    {
1582      assert( hrdVec[i]->getNalHrdParametersPresentFlag() == hrdVec[i-1]->getNalHrdParametersPresentFlag() );
1583      assert( hrdVec[i]->getVclHrdParametersPresentFlag() == hrdVec[i-1]->getVclHrdParametersPresentFlag() );
1584    }
1585  }
1586  if (hrdVec[0]->getNalHrdParametersPresentFlag())
1587  {
1588    for(UInt i = 0; i < maxValues; i++)
1589    {
1590      sei_read_code( pDecodedMessageOutputStream, syntaxElemLen[i], uiCode, "nal_initial_arrival_delay[i]" ); sei.m_nalInitialArrivalDelay[i] = uiCode;
1591    }
1592  }
1593  if( hrdVec[0]->getVclHrdParametersPresentFlag() )
1594  {
1595    for(UInt i = 0; i < maxValues; i++)
1596    {
1597      sei_read_code( pDecodedMessageOutputStream, syntaxElemLen[i], uiCode, "vcl_initial_arrival_delay[i]" ); sei.m_vclInitialArrivalDelay[i] = uiCode;
1598    }
1599  }
1600}
1601
1602Void SEIReader::xParseHrdParameters(TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1, std::ostream *pDecodedMessageOutputStream)
1603{
1604  UInt  uiCode;
1605  if( commonInfPresentFlag )
1606  {
1607    sei_read_flag( pDecodedMessageOutputStream, uiCode, "nal_hrd_parameters_present_flag" );           hrd->setNalHrdParametersPresentFlag( uiCode == 1 ? true : false );
1608    sei_read_flag( pDecodedMessageOutputStream, uiCode, "vcl_hrd_parameters_present_flag" );           hrd->setVclHrdParametersPresentFlag( uiCode == 1 ? true : false );
1609    if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() )
1610    {
1611      sei_read_flag( pDecodedMessageOutputStream, uiCode, "sub_pic_cpb_params_present_flag" );         hrd->setSubPicCpbParamsPresentFlag( uiCode == 1 ? true : false );
1612      if( hrd->getSubPicCpbParamsPresentFlag() )
1613      {
1614        sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "tick_divisor_minus2" );                hrd->setTickDivisorMinus2( uiCode );
1615        sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "du_cpb_removal_delay_length_minus1" ); hrd->setDuCpbRemovalDelayLengthMinus1( uiCode );
1616        sei_read_flag( pDecodedMessageOutputStream, uiCode, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); hrd->setSubPicCpbParamsInPicTimingSEIFlag( uiCode == 1 ? true : false );
1617        sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "dpb_output_delay_du_length_minus1"  ); hrd->setDpbOutputDelayDuLengthMinus1( uiCode );
1618      }
1619      sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "bit_rate_scale" );                       hrd->setBitRateScale( uiCode );
1620      sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "cpb_size_scale" );                       hrd->setCpbSizeScale( uiCode );
1621      if( hrd->getSubPicCpbParamsPresentFlag() )
1622      {
1623        sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "cpb_size_du_scale" );                  hrd->setDuCpbSizeScale( uiCode );
1624      }
1625      sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "initial_cpb_removal_delay_length_minus1" ); hrd->setInitialCpbRemovalDelayLengthMinus1( uiCode );
1626      sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "au_cpb_removal_delay_length_minus1" );      hrd->setCpbRemovalDelayLengthMinus1( uiCode );
1627      sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "dpb_output_delay_length_minus1" );       hrd->setDpbOutputDelayLengthMinus1( uiCode );
1628    }
1629  }
1630  Int i, j, nalOrVcl;
1631  for( i = 0; i <= maxNumSubLayersMinus1; i ++ )
1632  {
1633    sei_read_flag( pDecodedMessageOutputStream, uiCode, "fixed_pic_rate_general_flag" );                     hrd->setFixedPicRateFlag( i, uiCode == 1 ? true : false  );
1634    if( !hrd->getFixedPicRateFlag( i ) )
1635    {
1636       sei_read_flag( pDecodedMessageOutputStream, uiCode, "fixed_pic_rate_within_cvs_flag" );                hrd->setFixedPicRateWithinCvsFlag( i, uiCode == 1 ? true : false  );
1637    }
1638    else
1639    {
1640      hrd->setFixedPicRateWithinCvsFlag( i, true );
1641    }
1642    hrd->setLowDelayHrdFlag( i, 0 ); // Infered to be 0 when not present
1643    hrd->setCpbCntMinus1   ( i, 0 ); // Infered to be 0 when not present
1644    if( hrd->getFixedPicRateWithinCvsFlag( i ) )
1645    {
1646      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "elemental_duration_in_tc_minus1" );             hrd->setPicDurationInTcMinus1( i, uiCode );
1647    }
1648    else
1649    {
1650      sei_read_flag( pDecodedMessageOutputStream, uiCode, "low_delay_hrd_flag" );                      hrd->setLowDelayHrdFlag( i, uiCode == 1 ? true : false  );
1651    }
1652    if (!hrd->getLowDelayHrdFlag( i ))
1653    {
1654      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_cnt_minus1" );                          hrd->setCpbCntMinus1( i, uiCode );
1655    }
1656    for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
1657    {
1658      if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
1659          ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
1660      {
1661        for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ )
1662        {
1663          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bit_rate_value_minus1" );             hrd->setBitRateValueMinus1( i, j, nalOrVcl, uiCode );
1664          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_size_value_minus1" );             hrd->setCpbSizeValueMinus1( i, j, nalOrVcl, uiCode );
1665          if( hrd->getSubPicCpbParamsPresentFlag() )
1666          {
1667            sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_size_du_value_minus1" );       hrd->setDuCpbSizeValueMinus1( i, j, nalOrVcl, uiCode );
1668            sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bit_rate_du_value_minus1" );       hrd->setDuBitRateValueMinus1( i, j, nalOrVcl, uiCode );
1669          }
1670           sei_read_flag( pDecodedMessageOutputStream, uiCode, "cbr_flag" );                          hrd->setCbrFlag( i, j, nalOrVcl, uiCode == 1 ? true : false  );
1671        }
1672      }
1673    }
1674  }
1675}
1676#endif
1677
1678#if P0123_ALPHA_CHANNEL_SEI
1679void SEIReader::xParseSEIAlphaChannelInfo(SEIAlphaChannelInfo &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1680{
1681  UInt value;
1682  sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_cancel_flag"); sei.m_alphaChannelCancelFlag = value;
1683  if(!sei.m_alphaChannelCancelFlag)
1684  {
1685    sei_read_code(pDecodedMessageOutputStream, 3, value, "alpha_channel_use_idc");          sei.m_alphaChannelUseIdc = value;
1686    sei_read_code(pDecodedMessageOutputStream, 3, value, "alpha_channel_bit_depth_minus8"); sei.m_alphaChannelBitDepthMinus8 = value;
1687    sei_read_code(pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8 + 9, value, "alpha_transparent_value"); sei.m_alphaTransparentValue = value;
1688    sei_read_code(pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8 + 9, value, "alpha_opaque_value"); sei.m_alphaOpaqueValue = value;
1689    sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_incr_flag");        sei.m_alphaChannelIncrFlag = value;
1690    sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_clip_flag");        sei.m_alphaChannelClipFlag = value;
1691    if(sei.m_alphaChannelClipFlag)
1692    {
1693      sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_clip_type_flag"); sei.m_alphaChannelClipTypeFlag = value;
1694    }
1695  } 
1696}
1697#endif
1698
1699#if Q0096_OVERLAY_SEI
1700Void SEIReader::xParseSEIOverlayInfo(SEIOverlayInfo& sei, UInt /*payloadSize*/, std::ostream *pDecodedMessageOutputStream)
1701{
1702  Int i, j;
1703  UInt val;
1704  sei_read_flag( pDecodedMessageOutputStream, val, "overlay_info_cancel_flag" );                 sei.m_overlayInfoCancelFlag = val;
1705  if ( !sei.m_overlayInfoCancelFlag )
1706  {
1707    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_content_aux_id_minus128" );            sei.m_overlayContentAuxIdMinus128 = val;
1708    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_label_aux_id_minus128" );              sei.m_overlayLabelAuxIdMinus128 = val;
1709    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_alpha_aux_id_minus128" );              sei.m_overlayAlphaAuxIdMinus128 = val;
1710    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_element_label_value_length_minus8" );  sei.m_overlayElementLabelValueLengthMinus8 = val;
1711    sei_read_uvlc( pDecodedMessageOutputStream, val, "num_overlays_minus1" );                        sei.m_numOverlaysMinus1 = val;
1712
1713    assert( sei.m_numOverlaysMinus1 < MAX_OVERLAYS );
1714    sei.m_overlayIdx.resize( sei.m_numOverlaysMinus1+1 );
1715    sei.m_languageOverlayPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1716    sei.m_overlayContentLayerId.resize( sei.m_numOverlaysMinus1+1 );
1717    sei.m_overlayLabelPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1718    sei.m_overlayLabelLayerId.resize( sei.m_numOverlaysMinus1+1 );
1719    sei.m_overlayAlphaPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1720    sei.m_overlayAlphaLayerId.resize( sei.m_numOverlaysMinus1+1 );
1721    sei.m_numOverlayElementsMinus1.resize( sei.m_numOverlaysMinus1+1 );
1722    sei.m_overlayElementLabelMin.resize( sei.m_numOverlaysMinus1+1 );
1723    sei.m_overlayElementLabelMax.resize( sei.m_numOverlaysMinus1+1 );
1724    for ( i=0 ; i<=sei.m_numOverlaysMinus1 ; i++ )
1725    {
1726      sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_idx" );                      sei.m_overlayIdx[i] = val;
1727      sei_read_flag( pDecodedMessageOutputStream, val, "language_overlay_present_flag" );    sei.m_languageOverlayPresentFlag[i] = val;
1728      sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_content_layer_id");       sei.m_overlayContentLayerId[i] = val;
1729      sei_read_flag( pDecodedMessageOutputStream, val, "overlay_label_present_flag" );       sei.m_overlayLabelPresentFlag[i] = val;
1730      if ( sei.m_overlayLabelPresentFlag[i] )
1731      {
1732        sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_label_layer_id");     sei.m_overlayLabelLayerId[i] = val;
1733      }
1734      sei_read_flag( pDecodedMessageOutputStream, val, "overlay_alpha_present_flag" );       sei.m_overlayAlphaPresentFlag[i] = val;
1735      if ( sei.m_overlayAlphaPresentFlag[i] )
1736      {
1737        sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_alpha_layer_id");     sei.m_overlayAlphaLayerId[i] = val;
1738      }
1739      if ( sei.m_overlayLabelPresentFlag[i] )
1740      {
1741        sei_read_uvlc( pDecodedMessageOutputStream, val, "num_overlay_elements_minus1");   sei.m_numOverlayElementsMinus1[i] = val;
1742        assert( sei.m_numOverlayElementsMinus1[i] < MAX_OVERLAY_ELEMENTS );
1743        sei.m_overlayElementLabelMin[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1744        sei.m_overlayElementLabelMax[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1745        for ( j=0 ; j<=sei.m_numOverlayElementsMinus1[i] ; j++ )
1746        {
1747          sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, val, "overlay_element_label_min"); sei.m_overlayElementLabelMin[i][j] = val;
1748          sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, val, "overlay_element_label_max"); sei.m_overlayElementLabelMax[i][j] = val;
1749        }     
1750      }
1751      else
1752      {
1753        sei.m_numOverlayElementsMinus1[i] = 0;
1754      }
1755    }
1756
1757    // byte alignment
1758    while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1759    {
1760      sei_read_flag( pDecodedMessageOutputStream, val, "overlay_zero_bit" );
1761      assert( val==0 );
1762    }
1763
1764    UChar* sval = new UChar[MAX_OVERLAY_STRING_BYTES];
1765    UInt slen;   
1766    sei.m_overlayLanguage.resize( sei.m_numOverlaysMinus1+1, NULL );
1767    sei.m_overlayLanguageLength.resize( sei.m_numOverlaysMinus1+1 );
1768    sei.m_overlayName.resize( sei.m_numOverlaysMinus1+1, NULL );
1769    sei.m_overlayNameLength.resize( sei.m_numOverlaysMinus1+1 );
1770    sei.m_overlayElementName.resize( sei.m_numOverlaysMinus1+1 );
1771    sei.m_overlayElementNameLength.resize( sei.m_numOverlaysMinus1+1 );
1772    for ( i=0 ; i<=sei.m_numOverlaysMinus1 ; i++ )
1773    {
1774      if ( sei.m_languageOverlayPresentFlag[i] )
1775      {
1776        READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_language" );
1777        sei.m_overlayLanguage[i] = new UChar[slen];
1778        memcpy(sei.m_overlayLanguage[i], sval, slen);
1779        sei.m_overlayLanguageLength[i] = slen;
1780      }
1781      READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_name" );
1782      sei.m_overlayName[i] = new UChar[slen];
1783      memcpy(sei.m_overlayName[i], sval, slen);
1784      sei.m_overlayNameLength[i] = slen;
1785      if ( sei.m_overlayLabelPresentFlag[i] )
1786      {
1787        sei.m_overlayElementName[i].resize( sei.m_numOverlayElementsMinus1[i]+1, NULL );
1788        sei.m_overlayElementNameLength[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1789        for ( j=0 ; j<=sei.m_numOverlayElementsMinus1[i] ; j++)
1790        {
1791          READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_element_name" );
1792          sei.m_overlayElementName[i][j] = new UChar[slen];
1793          memcpy(sei.m_overlayElementName[i][j], sval, slen);
1794          sei.m_overlayElementNameLength[i][j] = slen;
1795        }
1796      }
1797    }
1798    sei_read_flag( pDecodedMessageOutputStream, val, "overlay_info_persistence_flag" );        sei.m_overlayInfoPersistenceFlag = val;
1799  } 
1800}
1801#endif
1802
1803#if P0138_USE_ALT_CPB_PARAMS_FLAG
1804/**
1805 * Check if SEI message contains payload extension
1806 */
1807Bool SEIReader::xPayloadExtensionPresent()
1808{
1809  Int payloadBitsRemaining = getBitstream()->getNumBitsLeft();
1810  Bool payloadExtensionPresent = false;
1811
1812  if (payloadBitsRemaining > 8)
1813  {
1814    payloadExtensionPresent = true;
1815  }
1816  else
1817  {
1818    Int finalBits = getBitstream()->peekBits(payloadBitsRemaining);
1819    while (payloadBitsRemaining && (finalBits & 1) == 0)
1820    {
1821      payloadBitsRemaining--;
1822      finalBits >>= 1;
1823    }
1824    payloadBitsRemaining--;
1825    if (payloadBitsRemaining > 0)
1826    {
1827      payloadExtensionPresent = true;
1828    }
1829  }
1830
1831  return payloadExtensionPresent;
1832}
1833#endif
1834
1835#if Q0189_TMVP_CONSTRAINTS
1836Void SEIReader::xParseSEITMVPConstraints   (SEITMVPConstrains& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1837{
1838  UInt uiCode;
1839  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "prev_pics_not_used_flag"              ); sei.prev_pics_not_used_flag = uiCode;
1840  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "no_intra_layer_col_pic_flag"          ); sei.no_intra_layer_col_pic_flag = uiCode;
1841}
1842#endif
1843
1844#if Q0247_FRAME_FIELD_INFO
1845Void SEIReader::xParseSEIFrameFieldInfo    (SEIFrameFieldInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1846{
1847  UInt code;
1848  sei_read_code( pDecodedMessageOutputStream, 4, code, "ffinfo_pic_struct"       );       sei.m_ffinfo_picStruct      = code;
1849  sei_read_code( pDecodedMessageOutputStream, 2, code, "ffinfo_source_scan_type" );       sei.m_ffinfo_sourceScanType = code;
1850  sei_read_flag( pDecodedMessageOutputStream,    code, "ffinfo_duplicate_flag"   );       sei.m_ffinfo_duplicateFlag  = ( code == 1 ? true : false );
1851}
1852#endif
1853
1854
1855#endif //SVC_EXTENSION
1856
1857//! \}
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