source: SHVCSoftware/branches/SHM-dev/source/Lib/TLibDecoder/SEIread.cpp @ 1037

Last change on this file since 1037 was 1037, checked in by seregin, 10 years ago

implementation of alpha channel SEI (JCTVC-P0123) with macro P0123_ALPHA_CHANNEL_SEI, patch was provided by Matteo Naccari <Matteo.Naccari@…>
  • Property svn:eol-style set to native
File size: 93.3 KB
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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) 2010-2014, 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)      (*pOS) << "  " << std::setw(55) << pSymbolName << ": " << ruiCode << "\n";
69}
70
71Void SEIReader::sei_read_uvlc(std::ostream *pOS, UInt& ruiCode, const Char *pSymbolName)
72{
73  READ_UVLC(ruiCode, pSymbolName);
74  if (pOS)      (*pOS) << "  " << std::setw(55) << pSymbolName << ": " << ruiCode << "\n";
75}
76
77Void SEIReader::sei_read_svlc(std::ostream *pOS, Int& ruiCode, const Char *pSymbolName)
78{
79  READ_SVLC(ruiCode, pSymbolName);
80  if (pOS)      (*pOS) << "  " << std::setw(55) << pSymbolName << ": " << ruiCode << "\n";
81}
82
83Void SEIReader::sei_read_flag(std::ostream *pOS, UInt& ruiCode, const Char *pSymbolName)
84{
85  READ_FLAG(ruiCode, pSymbolName);
86  if (pOS)      (*pOS) << "  " << std::setw(55) << pSymbolName << ": " << (ruiCode?1:0) << "\n";
87}
88
89static inline Void output_sei_message_header(SEI &sei, std::ostream *pDecodedMessageOutputStream, UInt payloadSize)
90{
91  if (pDecodedMessageOutputStream)
92  {
93    std::string seiMessageHdr(SEI::getSEIMessageString(sei.payloadType())); seiMessageHdr+=" SEI message";
94    (*pDecodedMessageOutputStream) << std::setfill('-') << std::setw(seiMessageHdr.size()) << "-" << std::setfill(' ') << "\n" << seiMessageHdr << "\n";
95  }
96}
97
98#undef READ_CODE
99#undef READ_SVLC
100#undef READ_UVLC
101#undef READ_FLAG
102
103
104/**
105 * unmarshal a single SEI message from bitstream bs
106 */
107#if LAYERS_NOT_PRESENT_SEI
108Void SEIReader::parseSEImessage(TComInputBitstream* bs, SEIMessages& seis, const NalUnitType nalUnitType, TComVPS *vps, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
109#else
110Void SEIReader::parseSEImessage(TComInputBitstream* bs, SEIMessages& seis, const NalUnitType nalUnitType, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
111#endif
112{
113  setBitstream(bs);
114
115  assert(!m_pcBitstream->getNumBitsUntilByteAligned());
116  do
117  {
118#if LAYERS_NOT_PRESENT_SEI
119    xReadSEImessage(seis, nalUnitType, vps, sps, pDecodedMessageOutputStream);
120#else
121    xReadSEImessage(seis, nalUnitType, sps, pDecodedMessageOutputStream);
122#endif
123    /* SEI messages are an integer number of bytes, something has failed
124    * in the parsing if bitstream not byte-aligned */
125    assert(!m_pcBitstream->getNumBitsUntilByteAligned());
126  } while (m_pcBitstream->getNumBitsLeft() > 8);
127
128  UInt rbspTrailingBits;
129  sei_read_code(NULL, 8, rbspTrailingBits, "rbsp_trailing_bits");
130  assert(rbspTrailingBits == 0x80);
131}
132
133#if O0164_MULTI_LAYER_HRD
134#if LAYERS_NOT_PRESENT_SEI
135Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, TComVPS *vps, TComSPS *sps, std::ostream *pDecodedMessageOutputStream, const SEIScalableNesting *nestingSei, const SEIBspNesting *bspNestingSei)
136#else
137Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, TComSPS *sps, std::ostream *pDecodedMessageOutputStream, const SEIScalableNesting *nestingSei)
138#endif
139#else
140#if LAYERS_NOT_PRESENT_SEI
141Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, TComVPS *vps, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
142#else
143Void SEIReader::xReadSEImessage(SEIMessages& seis, const NalUnitType nalUnitType, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
144#endif
145#endif
146{
147#if ENC_DEC_TRACE
148  xTraceSEIHeader();
149#endif
150  Int payloadType = 0;
151  UInt val = 0;
152
153  do
154  {
155    sei_read_code(NULL, 8, val, "payload_type");
156    payloadType += val;
157  } while (val==0xFF);
158
159  UInt payloadSize = 0;
160  do
161  {
162    sei_read_code(NULL, 8, val, "payload_size");
163    payloadSize += val;
164  } while (val==0xFF);
165
166#if ENC_DEC_TRACE
167  xTraceSEIMessageType((SEI::PayloadType)payloadType);
168#endif
169
170  /* extract the payload for this single SEI message.
171   * This allows greater safety in erroneous parsing of an SEI message
172   * from affecting subsequent messages.
173   * After parsing the payload, bs needs to be restored as the primary
174   * bitstream.
175   */
176  TComInputBitstream *bs = getBitstream();
177  setBitstream(bs->extractSubstream(payloadSize * 8));
178
179  SEI *sei = NULL;
180
181  if(nalUnitType == NAL_UNIT_PREFIX_SEI)
182  {
183    switch (payloadType)
184    {
185    case SEI::USER_DATA_UNREGISTERED:
186      sei = new SEIuserDataUnregistered;
187      xParseSEIuserDataUnregistered((SEIuserDataUnregistered&) *sei, payloadSize, pDecodedMessageOutputStream);
188      break;
189    case SEI::ACTIVE_PARAMETER_SETS:
190      sei = new SEIActiveParameterSets;
191      xParseSEIActiveParameterSets((SEIActiveParameterSets&) *sei, payloadSize, pDecodedMessageOutputStream);
192      break;
193    case SEI::DECODING_UNIT_INFO:
194      if (!sps)
195      {
196        printf ("Warning: Found Decoding unit SEI message, but no active SPS is available. Ignoring.");
197      }
198      else
199      {
200        sei = new SEIDecodingUnitInfo;
201#if VPS_VUI_BSP_HRD_PARAMS
202        xParseSEIDecodingUnitInfo((SEIDecodingUnitInfo&) *sei, payloadSize, sps, nestingSei, bspNestingSei, vps, pDecodedMessageOutputStream);
203#else       
204        xParseSEIDecodingUnitInfo((SEIDecodingUnitInfo&) *sei, payloadSize, sps, pDecodedMessageOutputStream);
205#endif
206      }
207      break;
208    case SEI::BUFFERING_PERIOD:
209      if (!sps)
210      {
211        printf ("Warning: Found Buffering period SEI message, but no active SPS is available. Ignoring.");
212      }
213      else
214      {
215        sei = new SEIBufferingPeriod;
216#if VPS_VUI_BSP_HRD_PARAMS
217        xParseSEIBufferingPeriod((SEIBufferingPeriod&) *sei, payloadSize, sps, nestingSei, bspNestingSei, vps, pDecodedMessageOutputStream);
218#else
219        xParseSEIBufferingPeriod((SEIBufferingPeriod&) *sei, payloadSize, sps, pDecodedMessageOutputStream);
220#endif
221      }
222      break;
223    case SEI::PICTURE_TIMING:
224      if (!sps)
225      {
226        printf ("Warning: Found Picture timing SEI message, but no active SPS is available. Ignoring.");
227      }
228      else
229      {
230        sei = new SEIPictureTiming;
231#if VPS_VUI_BSP_HRD_PARAMS
232        xParseSEIPictureTiming((SEIPictureTiming&)*sei, payloadSize, sps, nestingSei, bspNestingSei, vps, pDecodedMessageOutputStream);
233#else
234        xParseSEIPictureTiming((SEIPictureTiming&)*sei, payloadSize, sps, pDecodedMessageOutputStream);
235#endif
236      }
237      break;
238    case SEI::RECOVERY_POINT:
239      sei = new SEIRecoveryPoint;
240      xParseSEIRecoveryPoint((SEIRecoveryPoint&) *sei, payloadSize, pDecodedMessageOutputStream);
241      break;
242    case SEI::FRAME_PACKING:
243      sei = new SEIFramePacking;
244      xParseSEIFramePacking((SEIFramePacking&) *sei, payloadSize, pDecodedMessageOutputStream);
245      break;
246    case SEI::SEGM_RECT_FRAME_PACKING:
247      sei = new SEISegmentedRectFramePacking;
248      xParseSEISegmentedRectFramePacking((SEISegmentedRectFramePacking&) *sei, payloadSize, pDecodedMessageOutputStream);
249      break;
250    case SEI::DISPLAY_ORIENTATION:
251      sei = new SEIDisplayOrientation;
252      xParseSEIDisplayOrientation((SEIDisplayOrientation&) *sei, payloadSize, pDecodedMessageOutputStream);
253      break;
254    case SEI::TEMPORAL_LEVEL0_INDEX:
255      sei = new SEITemporalLevel0Index;
256      xParseSEITemporalLevel0Index((SEITemporalLevel0Index&) *sei, payloadSize, pDecodedMessageOutputStream);
257      break;
258    case SEI::REGION_REFRESH_INFO:
259      sei = new SEIGradualDecodingRefreshInfo;
260      xParseSEIRegionRefreshInfo((SEIGradualDecodingRefreshInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
261      break;
262    case SEI::NO_DISPLAY:
263      sei = new SEINoDisplay;
264      xParseSEINoDisplay((SEINoDisplay&) *sei, payloadSize, pDecodedMessageOutputStream);
265      break;
266    case SEI::TONE_MAPPING_INFO:
267      sei = new SEIToneMappingInfo;
268      xParseSEIToneMappingInfo((SEIToneMappingInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
269      break;
270    case SEI::SOP_DESCRIPTION:
271      sei = new SEISOPDescription;
272      xParseSEISOPDescription((SEISOPDescription&) *sei, payloadSize, pDecodedMessageOutputStream);
273      break;
274    case SEI::SCALABLE_NESTING:
275      sei = new SEIScalableNesting;
276#if LAYERS_NOT_PRESENT_SEI
277      xParseSEIScalableNesting((SEIScalableNesting&) *sei, nalUnitType, payloadSize, vps, sps, pDecodedMessageOutputStream);
278#else
279      xParseSEIScalableNesting((SEIScalableNesting&) *sei, nalUnitType, payloadSize, sps, pDecodedMessageOutputStream);
280#endif
281      break;
282    case SEI::TEMP_MOTION_CONSTRAINED_TILE_SETS:
283      sei = new SEITempMotionConstrainedTileSets;
284      xParseSEITempMotionConstraintsTileSets((SEITempMotionConstrainedTileSets&) *sei, payloadSize, pDecodedMessageOutputStream);
285      break;
286    case SEI::TIME_CODE:
287      sei = new SEITimeCode;
288      xParseSEITimeCode((SEITimeCode&) *sei, payloadSize, pDecodedMessageOutputStream);
289      break;
290    case SEI::CHROMA_SAMPLING_FILTER_HINT:
291      sei = new SEIChromaSamplingFilterHint;
292      xParseSEIChromaSamplingFilterHint((SEIChromaSamplingFilterHint&) *sei, payloadSize/*, sps*/, pDecodedMessageOutputStream);
293      //}
294      break;
295    case SEI::KNEE_FUNCTION_INFO:
296      sei = new SEIKneeFunctionInfo;
297      xParseSEIKneeFunctionInfo((SEIKneeFunctionInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
298      break;
299    case SEI::MASTERING_DISPLAY_COLOUR_VOLUME:
300      sei = new SEIMasteringDisplayColourVolume;
301      xParseSEIMasteringDisplayColourVolume((SEIMasteringDisplayColourVolume&) *sei, payloadSize, pDecodedMessageOutputStream);
302      break;
303#if Q0074_COLOUR_REMAPPING_SEI
304    case SEI::COLOUR_REMAPPING_INFO:
305      sei = new SEIColourRemappingInfo;
306      xParseSEIColourRemappingInfo((SEIColourRemappingInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
307      break;
308#endif
309#if SVC_EXTENSION
310#if LAYERS_NOT_PRESENT_SEI
311    case SEI::LAYERS_NOT_PRESENT:
312      if (!vps)
313      {
314        printf ("Warning: Found Layers not present SEI message, but no active VPS is available. Ignoring.");
315      }
316      else
317      {
318        sei = new SEILayersNotPresent;
319        xParseSEILayersNotPresent((SEILayersNotPresent&) *sei, payloadSize, vps, pDecodedMessageOutputStream);
320      }
321      break;
322#endif
323#if N0383_IL_CONSTRAINED_TILE_SETS_SEI
324    case SEI::INTER_LAYER_CONSTRAINED_TILE_SETS:
325      sei = new SEIInterLayerConstrainedTileSets;
326      xParseSEIInterLayerConstrainedTileSets((SEIInterLayerConstrainedTileSets&) *sei, payloadSize, pDecodedMessageOutputStream);
327      break;
328#endif
329#if SUB_BITSTREAM_PROPERTY_SEI
330   case SEI::SUB_BITSTREAM_PROPERTY:
331     sei = new SEISubBitstreamProperty;
332#if OLS_IDX_CHK
333     xParseSEISubBitstreamProperty((SEISubBitstreamProperty&) *sei, vps, pDecodedMessageOutputStream);
334#else
335     xParseSEISubBitstreamProperty((SEISubBitstreamProperty&) *sei, pDecodedMessageOutputStream);
336#endif
337     break;
338#endif
339#if O0164_MULTI_LAYER_HRD
340   case SEI::BSP_NESTING:
341     sei = new SEIBspNesting;
342#if LAYERS_NOT_PRESENT_SEI
343     xParseSEIBspNesting((SEIBspNesting&) *sei, nalUnitType, vps, sps, *nestingSei, pDecodedMessageOutputStream);
344#else
345     xParseSEIBspNesting((SEIBspNesting&) *sei, nalUnitType, sps, *nestingSei, pDecodedMessageOutputStream);
346#endif
347     break;
348   case SEI::BSP_INITIAL_ARRIVAL_TIME:
349     sei = new SEIBspInitialArrivalTime;
350     xParseSEIBspInitialArrivalTime((SEIBspInitialArrivalTime&) *sei, vps, sps, *nestingSei, *bspNestingSei, pDecodedMessageOutputStream);
351     break;
352#if !REMOVE_BSP_HRD_SEI
353   case SEI::BSP_HRD:
354     sei = new SEIBspHrd;
355     xParseSEIBspHrd((SEIBspHrd&) *sei, sps, *nestingSei, pDecodedMessageOutputStream);
356     break;
357#endif
358#endif
359#if Q0078_ADD_LAYER_SETS
360   case SEI::OUTPUT_LAYER_SET_NESTING:
361     sei = new SEIOutputLayerSetNesting;
362#if LAYERS_NOT_PRESENT_SEI
363     xParseSEIOutputLayerSetNesting((SEIOutputLayerSetNesting&)*sei, nalUnitType, vps, sps, pDecodedMessageOutputStream);
364#else
365     xParseSEIOutputLayerSetNesting((SEIOutputLayerSetNesting&)*sei, nalUnitType, sps, pDecodedMessageOutputStream);
366#endif
367     break;
368   case SEI::VPS_REWRITING:
369     sei = new SEIVPSRewriting;
370     xParseSEIVPSRewriting((SEIVPSRewriting&)*sei, pDecodedMessageOutputStream);
371     break;
372#endif
373#if Q0189_TMVP_CONSTRAINTS
374   case SEI::TMVP_CONSTRAINTS:
375     sei =  new SEITMVPConstrains;
376     xParseSEITMVPConstraints((SEITMVPConstrains&) *sei, payloadSize, pDecodedMessageOutputStream);
377     break;
378#endif
379#if Q0247_FRAME_FIELD_INFO
380   case SEI::FRAME_FIELD_INFO:
381     sei =  new SEIFrameFieldInfo;
382     xParseSEIFrameFieldInfo    ((SEIFrameFieldInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
383     break;
384#endif
385#if P0123_ALPHA_CHANNEL_SEI
386   case SEI::ALPHA_CHANNEL_INFO:
387     sei = new SEIAlphaChannelInfo;
388     xParseSEIAlphaChannelInfo((SEIAlphaChannelInfo &) *sei, payloadSize, pDecodedMessageOutputStream);
389     break;
390#endif
391#if Q0096_OVERLAY_SEI
392   case SEI::OVERLAY_INFO:
393     sei = new SEIOverlayInfo;
394     xParseSEIOverlayInfo((SEIOverlayInfo&) *sei, payloadSize, pDecodedMessageOutputStream);
395     break;
396#endif
397#endif //SVC_EXTENSION
398   default:
399     for (UInt i = 0; i < payloadSize; i++)
400     {
401       UInt seiByte;
402       sei_read_code (NULL, 8, seiByte, "unknown prefix SEI payload byte");
403     }
404     printf ("Unknown prefix SEI message (payloadType = %d) was found!\n", payloadType);
405     if (pDecodedMessageOutputStream)
406     {
407       (*pDecodedMessageOutputStream) << "Unknown prefix SEI message (payloadType = " << payloadType << ") was found!\n";
408     }
409     break;
410    }
411  }
412  else
413  {
414    switch (payloadType)
415    {
416      case SEI::USER_DATA_UNREGISTERED:
417        sei = new SEIuserDataUnregistered;
418        xParseSEIuserDataUnregistered((SEIuserDataUnregistered&) *sei, payloadSize, pDecodedMessageOutputStream);
419        break;
420      case SEI::DECODED_PICTURE_HASH:
421        sei = new SEIDecodedPictureHash;
422        xParseSEIDecodedPictureHash((SEIDecodedPictureHash&) *sei, payloadSize, pDecodedMessageOutputStream);
423        break;
424      default:
425        for (UInt i = 0; i < payloadSize; i++)
426        {
427          UInt seiByte;
428          sei_read_code( NULL, 8, seiByte, "unknown suffix SEI payload byte");
429        }
430        printf ("Unknown suffix SEI message (payloadType = %d) was found!\n", payloadType);
431        if (pDecodedMessageOutputStream)
432        {
433          (*pDecodedMessageOutputStream) << "Unknown suffix SEI message (payloadType = " << payloadType << ") was found!\n";
434        }
435        break;
436    }
437  }
438
439  if (sei != NULL)
440  {
441    seis.push_back(sei);
442  }
443
444  /* By definition the underlying bitstream terminates in a byte-aligned manner.
445   * 1. Extract all bar the last MIN(bitsremaining,nine) bits as reserved_payload_extension_data
446   * 2. Examine the final 8 bits to determine the payload_bit_equal_to_one marker
447   * 3. Extract the remainingreserved_payload_extension_data bits.
448   *
449   * If there are fewer than 9 bits available, extract them.
450   */
451  Int payloadBitsRemaining = getBitstream()->getNumBitsLeft();
452  if (payloadBitsRemaining) /* more_data_in_payload() */
453  {
454    for (; payloadBitsRemaining > 9; payloadBitsRemaining--)
455    {
456      UInt reservedPayloadExtensionData;
457      sei_read_code ( pDecodedMessageOutputStream, 1, reservedPayloadExtensionData, "reserved_payload_extension_data");
458    }
459
460    /* 2 */
461    Int finalBits = getBitstream()->peekBits(payloadBitsRemaining);
462    Int finalPayloadBits = 0;
463    for (Int mask = 0xff; finalBits & (mask >> finalPayloadBits); finalPayloadBits++)
464    {
465      continue;
466    }
467
468    /* 3 */
469    for (; payloadBitsRemaining > 9 - finalPayloadBits; payloadBitsRemaining--)
470    {
471      UInt reservedPayloadExtensionData;
472      sei_read_flag ( 0, reservedPayloadExtensionData, "reserved_payload_extension_data");
473    }
474
475    UInt dummy;
476    sei_read_flag( 0, dummy, "payload_bit_equal_to_one"); payloadBitsRemaining--;
477    while (payloadBitsRemaining)
478    {
479      sei_read_flag( 0, dummy, "payload_bit_equal_to_zero"); payloadBitsRemaining--;
480    }
481  }
482
483  /* restore primary bitstream for sei_message */
484  getBitstream()->deleteFifo();
485  delete getBitstream();
486  setBitstream(bs);
487}
488
489/**
490 * parse bitstream bs and unpack a user_data_unregistered SEI message
491 * of payloasSize bytes into sei.
492 */
493
494Void SEIReader::xParseSEIuserDataUnregistered(SEIuserDataUnregistered &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
495{
496  assert(payloadSize >= ISO_IEC_11578_LEN);
497  UInt val;
498  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
499
500  for (UInt i = 0; i < ISO_IEC_11578_LEN; i++)
501  {
502    sei_read_code( pDecodedMessageOutputStream, 8, val, "uuid_iso_iec_11578");
503    sei.uuid_iso_iec_11578[i] = val;
504  }
505
506  sei.userDataLength = payloadSize - ISO_IEC_11578_LEN;
507  if (!sei.userDataLength)
508  {
509    sei.userData = 0;
510    return;
511  }
512
513  sei.userData = new UChar[sei.userDataLength];
514  for (UInt i = 0; i < sei.userDataLength; i++)
515  {
516    sei_read_code( pDecodedMessageOutputStream, 8, val, "user_data" );
517    sei.userData[i] = val;
518  }
519}
520
521/**
522 * parse bitstream bs and unpack a decoded picture hash SEI message
523 * of payloadSize bytes into sei.
524 */
525Void SEIReader::xParseSEIDecodedPictureHash(SEIDecodedPictureHash& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
526{
527  UInt bytesRead = 0;
528  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
529
530  UInt val;
531  sei_read_code( pDecodedMessageOutputStream, 8, val, "hash_type");
532  sei.method = static_cast<SEIDecodedPictureHash::Method>(val); bytesRead++;
533
534  const Char *traceString="\0";
535  switch (sei.method)
536  {
537    case SEIDecodedPictureHash::MD5: traceString="picture_md5"; break;
538    case SEIDecodedPictureHash::CRC: traceString="picture_crc"; break;
539    case SEIDecodedPictureHash::CHECKSUM: traceString="picture_checksum"; break;
540    default: assert(false); break;
541  }
542
543  if (pDecodedMessageOutputStream) (*pDecodedMessageOutputStream) << "  " << std::setw(55) << traceString << ": " << std::hex << std::setfill('0');
544
545  sei.m_digest.hash.clear();
546  for(;bytesRead < payloadSize; bytesRead++)
547  {
548    sei_read_code( NULL, 8, val, traceString);
549    sei.m_digest.hash.push_back((UChar)val);
550    if (pDecodedMessageOutputStream) (*pDecodedMessageOutputStream) << std::setw(2) << val;
551  }
552
553  if (pDecodedMessageOutputStream) (*pDecodedMessageOutputStream) << std::dec << std::setfill(' ') << "\n";
554}
555
556Void SEIReader::xParseSEIActiveParameterSets(SEIActiveParameterSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
557{
558  UInt val; 
559  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
560
561  sei_read_code( pDecodedMessageOutputStream, 4, val, "active_video_parameter_set_id");   sei.activeVPSId = val;
562  sei_read_flag( pDecodedMessageOutputStream,    val, "self_contained_cvs_flag");         sei.m_selfContainedCvsFlag     = (val != 0);
563  sei_read_flag( pDecodedMessageOutputStream,    val, "no_parameter_set_update_flag");    sei.m_noParameterSetUpdateFlag = (val != 0);
564  sei_read_uvlc( pDecodedMessageOutputStream,    val, "num_sps_ids_minus1");              sei.numSpsIdsMinus1 = val;
565
566  sei.activeSeqParameterSetId.resize(sei.numSpsIdsMinus1 + 1);
567#if R0247_SEI_ACTIVE
568  sei.layerSpsIdx.resize(sei.numSpsIdsMinus1 + 1);
569#endif
570  for (Int i=0; i < (sei.numSpsIdsMinus1 + 1); i++)
571  {
572    sei_read_uvlc( pDecodedMessageOutputStream, val, "active_seq_parameter_set_id[i]");    sei.activeSeqParameterSetId[i] = val;
573  }
574#if R0247_SEI_ACTIVE
575  for (Int i=1; i < (sei.numSpsIdsMinus1 + 1); i++)
576  {
577    sei_read_uvlc( pDecodedMessageOutputStream, val, "layer_sps_idx"); sei.layerSpsIdx[i] = val; 
578  }
579#endif 
580}
581
582#if VPS_VUI_BSP_HRD_PARAMS
583Void SEIReader::xParseSEIDecodingUnitInfo(SEIDecodingUnitInfo& sei, UInt payloadSize, TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, TComVPS *vps,std::ostream *pDecodedMessageOutputStream)
584#else
585Void SEIReader::xParseSEIDecodingUnitInfo(SEIDecodingUnitInfo& sei, UInt payloadSize, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
586#endif
587{
588  UInt val;
589  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
590  sei_read_uvlc( pDecodedMessageOutputStream, val, "decoding_unit_idx");
591  sei.m_decodingUnitIdx = val;
592
593#if VPS_VUI_BSP_HRD_PARAMS
594  TComHRD *hrd;
595  if( bspNestingSei )   // If DU info SEI contained inside a BSP nesting SEI message
596  {
597    assert( nestingSei );
598    Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx;
599    Int seiOlsIdx = bspNestingSei->m_seiOlsIdx;
600    Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1;
601    Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
602    std::vector<Int> hrdIdx(maxValues, 0);
603    std::vector<TComHRD *> hrdVec;
604    std::vector<Int> syntaxElemLen(maxValues, 0);
605    for(Int i = 0; i < maxValues; i++)
606    {
607      hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx);
608      hrdVec.push_back(vps->getBspHrd(hrdIdx[i]));
609   
610      syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
611      if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
612      {
613        assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23
614      }
615      if( i > 0 )
616      {
617        assert( hrdVec[i]->getSubPicCpbParamsPresentFlag()    == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() );
618        assert( hrdVec[i]->getSubPicCpbParamsInPicTimingSEIFlag()   == hrdVec[i-1]->getSubPicCpbParamsInPicTimingSEIFlag() );
619        assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() );
620        // To be done: Check CpbDpbDelaysPresentFlag
621      }
622    }
623    hrd = hrdVec[0];
624  }
625  else
626  {
627    TComVUI *vui = sps->getVuiParameters();
628    hrd = vui->getHrdParameters();
629  }
630
631  if(hrd->getSubPicCpbParamsInPicTimingSEIFlag())
632  {
633    sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), val, "du_spt_cpb_removal_delay_increment");
634    sei.m_duSptCpbRemovalDelay = val;
635  }
636  else
637  {
638    sei.m_duSptCpbRemovalDelay = 0;
639  }
640  sei_read_flag( pDecodedMessageOutputStream, val, "dpb_output_du_delay_present_flag"); sei.m_dpbOutputDuDelayPresentFlag = (val != 0);
641  if(sei.m_dpbOutputDuDelayPresentFlag)
642  {
643    sei_read_code( pDecodedMessageOutputStream, hrd->getDpbOutputDelayDuLengthMinus1() + 1, val, "pic_spt_dpb_output_du_delay");
644    sei.m_picSptDpbOutputDuDelay = val;
645  }
646#else
647  TComVUI *vui = sps->getVuiParameters(); 
648
649  if(vui->getHrdParameters()->getSubPicCpbParamsInPicTimingSEIFlag())
650  {
651    sei_read_code( pDecodedMessageOutputStream, ( vui->getHrdParameters()->getDuCpbRemovalDelayLengthMinus1() + 1 ), val, "du_spt_cpb_removal_delay_increment");
652    sei.m_duSptCpbRemovalDelay = val;
653  }
654  else
655  {
656    sei.m_duSptCpbRemovalDelay = 0;
657  }
658  sei_read_flag( pDecodedMessageOutputStream, val, "dpb_output_du_delay_present_flag"); sei.m_dpbOutputDuDelayPresentFlag = (val != 0);
659  if(sei.m_dpbOutputDuDelayPresentFlag)
660  {
661    sei_read_code( pDecodedMessageOutputStream, vui->getHrdParameters()->getDpbOutputDelayDuLengthMinus1() + 1, val, "pic_spt_dpb_output_du_delay");
662    sei.m_picSptDpbOutputDuDelay = val;
663  }
664#endif
665}
666
667#if VPS_VUI_BSP_HRD_PARAMS
668Void SEIReader::xParseSEIBufferingPeriod(SEIBufferingPeriod& sei, UInt payloadSize, TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
669#else
670Void SEIReader::xParseSEIBufferingPeriod(SEIBufferingPeriod& sei, UInt payloadSize, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
671#endif
672{
673  Int i, nalOrVcl;
674  UInt code;
675
676#if VPS_VUI_BSP_HRD_PARAMS
677  TComHRD *pHRD;
678  if( bspNestingSei )   // If BP SEI contained inside a BSP nesting SEI message
679  {
680    assert( nestingSei );
681    Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx;
682    Int seiOlsIdx = bspNestingSei->m_seiOlsIdx;
683    Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1;
684    Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
685    std::vector<Int> hrdIdx(maxValues, 0);
686    std::vector<TComHRD *> hrdVec;
687    std::vector<Int> syntaxElemLen(maxValues, 0);
688    for(i = 0; i < maxValues; i++)
689    {
690      hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx);
691      hrdVec.push_back(vps->getBspHrd(hrdIdx[i]));
692   
693      syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
694      if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
695      {
696        assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23
697      }
698      if( i > 0 )
699      {
700        assert( hrdVec[i]->getCpbRemovalDelayLengthMinus1()   == hrdVec[i-1]->getCpbRemovalDelayLengthMinus1() );
701        assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() );
702        assert( hrdVec[i]->getSubPicCpbParamsPresentFlag()    == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() );
703      }
704    }
705    pHRD = hrdVec[i];
706  }
707  else
708  {
709    TComVUI *vui = sps->getVuiParameters();
710    pHRD = vui->getHrdParameters();
711  }
712  // To be done: When contained in an BSP HRD SEI message, the hrd structure is to be chosen differently.
713#else
714  TComVUI *pVUI = sps->getVuiParameters();
715  TComHRD *pHRD = pVUI->getHrdParameters();
716#endif
717
718  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
719
720  sei_read_uvlc( pDecodedMessageOutputStream, code, "bp_seq_parameter_set_id" );                         sei.m_bpSeqParameterSetId     = code;
721  if( !pHRD->getSubPicCpbParamsPresentFlag() )
722  {
723    sei_read_flag( pDecodedMessageOutputStream, code, "irap_cpb_params_present_flag" );                   sei.m_rapCpbParamsPresentFlag = code;
724  }
725  if( sei.m_rapCpbParamsPresentFlag )
726  {
727    sei_read_code( pDecodedMessageOutputStream, pHRD->getCpbRemovalDelayLengthMinus1() + 1, code, "cpb_delay_offset" );      sei.m_cpbDelayOffset = code;
728    sei_read_code( pDecodedMessageOutputStream, pHRD->getDpbOutputDelayLengthMinus1()  + 1, code, "dpb_delay_offset" );      sei.m_dpbDelayOffset = code;
729  }
730
731  //read splicing flag and cpb_removal_delay_delta
732  sei_read_flag( pDecodedMessageOutputStream, code, "concatenation_flag");
733  sei.m_concatenationFlag = code;
734  sei_read_code( pDecodedMessageOutputStream, ( pHRD->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_delta_minus1" );
735  sei.m_auCpbRemovalDelayDelta = code + 1;
736
737  for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
738  {
739    if( ( ( nalOrVcl == 0 ) && ( pHRD->getNalHrdParametersPresentFlag() ) ) ||
740        ( ( nalOrVcl == 1 ) && ( pHRD->getVclHrdParametersPresentFlag() ) ) )
741    {
742      for( i = 0; i < ( pHRD->getCpbCntMinus1( 0 ) + 1 ); i ++ )
743      {
744        sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_delay":"nal_initial_cpb_removal_delay" );
745        sei.m_initialCpbRemovalDelay[i][nalOrVcl] = code;
746        sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_cpb_removal_offset":"vcl_initial_cpb_removal_offset" );
747        sei.m_initialCpbRemovalDelayOffset[i][nalOrVcl] = code;
748        if( pHRD->getSubPicCpbParamsPresentFlag() || sei.m_rapCpbParamsPresentFlag )
749        {
750          sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_delay":"vcl_initial_alt_cpb_removal_delay" );
751          sei.m_initialAltCpbRemovalDelay[i][nalOrVcl] = code;
752          sei_read_code( pDecodedMessageOutputStream, ( pHRD->getInitialCpbRemovalDelayLengthMinus1() + 1 ) , code, nalOrVcl?"vcl_initial_alt_cpb_removal_offset":"vcl_initial_alt_cpb_removal_offset" );
753          sei.m_initialAltCpbRemovalDelayOffset[i][nalOrVcl] = code;
754        }
755      }
756    }
757  }
758
759#if P0138_USE_ALT_CPB_PARAMS_FLAG
760  sei.m_useAltCpbParamsFlag = false;
761  sei.m_useAltCpbParamsFlagPresent = false;
762  if (xPayloadExtensionPresent())
763  {
764    sei_read_flag( pDecodedMessageOutputStream, code, "use_alt_cpb_params_flag");
765    sei.m_useAltCpbParamsFlag = code;
766    sei.m_useAltCpbParamsFlagPresent = true;
767  }
768#endif
769}
770
771#if VPS_VUI_BSP_HRD_PARAMS
772Void SEIReader::xParseSEIPictureTiming(SEIPictureTiming& sei, UInt payloadSize, TComSPS *sps, const SEIScalableNesting* nestingSei, const SEIBspNesting* bspNestingSei, TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
773#else
774Void SEIReader::xParseSEIPictureTiming(SEIPictureTiming& sei, UInt payloadSize, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
775#endif
776{
777  Int i;
778  UInt code;
779
780#if VPS_VUI_BSP_HRD_PARAMS
781  TComHRD *hrd;   
782  TComVUI *vui = sps->getVuiParameters(); 
783  if( bspNestingSei )   // If BP SEI contained inside a BSP nesting SEI message
784  {
785    assert( nestingSei );
786    Int psIdx = bspNestingSei->m_seiPartitioningSchemeIdx;
787    Int seiOlsIdx = bspNestingSei->m_seiOlsIdx;
788    Int maxTemporalId = nestingSei->m_nestingMaxTemporalIdPlus1[0] - 1;
789    Int maxValues = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
790    std::vector<Int> hrdIdx(maxValues, 0);
791    std::vector<TComHRD *> hrdVec;
792    std::vector<Int> syntaxElemLen(maxValues, 0);
793    for(i = 0; i < maxValues; i++)
794    {
795      hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei->m_bspIdx);
796      hrdVec.push_back(vps->getBspHrd(hrdIdx[i]));
797   
798      syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
799      if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
800      {
801        assert( syntaxElemLen[i] == 24 ); // Default of value init_cpb_removal_delay_length_minus1 is 23
802      }
803      if( i > 0 )
804      {
805        assert( hrdVec[i]->getSubPicCpbParamsPresentFlag()    == hrdVec[i-1]->getSubPicCpbParamsPresentFlag() );
806        assert( hrdVec[i]->getSubPicCpbParamsInPicTimingSEIFlag()   == hrdVec[i-1]->getSubPicCpbParamsInPicTimingSEIFlag() );
807        assert( hrdVec[i]->getCpbRemovalDelayLengthMinus1()  == hrdVec[i-1]->getCpbRemovalDelayLengthMinus1() );
808        assert( hrdVec[i]->getDpbOutputDelayLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayLengthMinus1() );
809        assert( hrdVec[i]->getDpbOutputDelayDuLengthMinus1()  == hrdVec[i-1]->getDpbOutputDelayDuLengthMinus1() );
810        assert( hrdVec[i]->getDuCpbRemovalDelayLengthMinus1()  == hrdVec[i-1]->getDuCpbRemovalDelayLengthMinus1() );
811        // To be done: Check CpbDpbDelaysPresentFlag
812      }
813    }
814    hrd = hrdVec[0];
815  }
816  else
817  {
818    hrd = vui->getHrdParameters();
819  }
820  // To be done: When contained in an BSP HRD SEI message, the hrd structure is to be chosen differently.
821#else
822  TComVUI *vui = sps->getVuiParameters();
823  TComHRD *hrd = vui->getHrdParameters();
824#endif
825  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
826
827  if( vui->getFrameFieldInfoPresentFlag() )
828  {
829    sei_read_code( pDecodedMessageOutputStream, 4, code, "pic_struct" );             sei.m_picStruct            = code;
830    sei_read_code( pDecodedMessageOutputStream, 2, code, "source_scan_type" );       sei.m_sourceScanType       = code;
831    sei_read_flag( pDecodedMessageOutputStream,    code, "duplicate_flag" );         sei.m_duplicateFlag        = (code == 1);
832  }
833
834  if( hrd->getCpbDpbDelaysPresentFlag())
835  {
836    sei_read_code( pDecodedMessageOutputStream, ( hrd->getCpbRemovalDelayLengthMinus1() + 1 ), code, "au_cpb_removal_delay_minus1" );
837    sei.m_auCpbRemovalDelay = code + 1;
838    sei_read_code( pDecodedMessageOutputStream, ( hrd->getDpbOutputDelayLengthMinus1() + 1 ), code, "pic_dpb_output_delay" );
839    sei.m_picDpbOutputDelay = code;
840
841    if(hrd->getSubPicCpbParamsPresentFlag())
842    {
843      sei_read_code( pDecodedMessageOutputStream, hrd->getDpbOutputDelayDuLengthMinus1()+1, code, "pic_dpb_output_du_delay" );
844      sei.m_picDpbOutputDuDelay = code;
845    }
846
847    if( hrd->getSubPicCpbParamsPresentFlag() && hrd->getSubPicCpbParamsInPicTimingSEIFlag() )
848    {
849      sei_read_uvlc( pDecodedMessageOutputStream, code, "num_decoding_units_minus1");
850      sei.m_numDecodingUnitsMinus1 = code;
851      sei_read_flag( pDecodedMessageOutputStream, code, "du_common_cpb_removal_delay_flag" );
852      sei.m_duCommonCpbRemovalDelayFlag = code;
853      if( sei.m_duCommonCpbRemovalDelayFlag )
854      {
855        sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_common_cpb_removal_delay_increment_minus1" );
856        sei.m_duCommonCpbRemovalDelayMinus1 = code;
857      }
858      if( sei.m_numNalusInDuMinus1 != NULL )
859      {
860        delete sei.m_numNalusInDuMinus1;
861      }
862      sei.m_numNalusInDuMinus1 = new UInt[ ( sei.m_numDecodingUnitsMinus1 + 1 ) ];
863      if( sei.m_duCpbRemovalDelayMinus1  != NULL )
864      {
865        delete sei.m_duCpbRemovalDelayMinus1;
866      }
867      sei.m_duCpbRemovalDelayMinus1  = new UInt[ ( sei.m_numDecodingUnitsMinus1 + 1 ) ];
868
869      for( i = 0; i <= sei.m_numDecodingUnitsMinus1; i ++ )
870      {
871        sei_read_uvlc( pDecodedMessageOutputStream, code, "num_nalus_in_du_minus1[i]");
872        sei.m_numNalusInDuMinus1[ i ] = code;
873        if( ( !sei.m_duCommonCpbRemovalDelayFlag ) && ( i < sei.m_numDecodingUnitsMinus1 ) )
874        {
875          sei_read_code( pDecodedMessageOutputStream, ( hrd->getDuCpbRemovalDelayLengthMinus1() + 1 ), code, "du_cpb_removal_delay_minus1[i]" );
876          sei.m_duCpbRemovalDelayMinus1[ i ] = code;
877        }
878      }
879    }
880  }
881}
882
883Void SEIReader::xParseSEIRecoveryPoint(SEIRecoveryPoint& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
884{
885  Int  iCode;
886  UInt uiCode;
887  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
888
889  sei_read_svlc( pDecodedMessageOutputStream, iCode,  "recovery_poc_cnt" );      sei.m_recoveryPocCnt     = iCode;
890  sei_read_flag( pDecodedMessageOutputStream, uiCode, "exact_matching_flag" );   sei.m_exactMatchingFlag  = uiCode;
891  sei_read_flag( pDecodedMessageOutputStream, uiCode, "broken_link_flag" );      sei.m_brokenLinkFlag     = uiCode;
892}
893
894Void SEIReader::xParseSEIFramePacking(SEIFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
895{
896  UInt val;
897  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
898
899  sei_read_uvlc( pDecodedMessageOutputStream, val, "frame_packing_arrangement_id" );                 sei.m_arrangementId = val;
900  sei_read_flag( pDecodedMessageOutputStream, val, "frame_packing_arrangement_cancel_flag" );        sei.m_arrangementCancelFlag = val;
901
902  if ( !sei.m_arrangementCancelFlag )
903  {
904    sei_read_code( pDecodedMessageOutputStream, 7, val, "frame_packing_arrangement_type" );          sei.m_arrangementType = val;
905    assert((sei.m_arrangementType > 2) && (sei.m_arrangementType < 6) );
906
907    sei_read_flag( pDecodedMessageOutputStream, val, "quincunx_sampling_flag" );                     sei.m_quincunxSamplingFlag = val;
908
909    sei_read_code( pDecodedMessageOutputStream, 6, val, "content_interpretation_type" );             sei.m_contentInterpretationType = val;
910    sei_read_flag( pDecodedMessageOutputStream, val, "spatial_flipping_flag" );                      sei.m_spatialFlippingFlag = val;
911    sei_read_flag( pDecodedMessageOutputStream, val, "frame0_flipped_flag" );                        sei.m_frame0FlippedFlag = val;
912    sei_read_flag( pDecodedMessageOutputStream, val, "field_views_flag" );                           sei.m_fieldViewsFlag = val;
913    sei_read_flag( pDecodedMessageOutputStream, val, "current_frame_is_frame0_flag" );               sei.m_currentFrameIsFrame0Flag = val;
914    sei_read_flag( pDecodedMessageOutputStream, val, "frame0_self_contained_flag" );                 sei.m_frame0SelfContainedFlag = val;
915    sei_read_flag( pDecodedMessageOutputStream, val, "frame1_self_contained_flag" );                 sei.m_frame1SelfContainedFlag = val;
916
917    if ( sei.m_quincunxSamplingFlag == 0 && sei.m_arrangementType != 5)
918    {
919      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_x" );                sei.m_frame0GridPositionX = val;
920      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame0_grid_position_y" );                sei.m_frame0GridPositionY = val;
921      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_x" );                sei.m_frame1GridPositionX = val;
922      sei_read_code( pDecodedMessageOutputStream, 4, val, "frame1_grid_position_y" );                sei.m_frame1GridPositionY = val;
923    }
924
925    sei_read_code( pDecodedMessageOutputStream, 8, val, "frame_packing_arrangement_reserved_byte" );   sei.m_arrangementReservedByte = val;
926    sei_read_flag( pDecodedMessageOutputStream, val,  "frame_packing_arrangement_persistence_flag" );  sei.m_arrangementPersistenceFlag = (val != 0);
927  }
928  sei_read_flag( pDecodedMessageOutputStream, val, "upsampled_aspect_ratio_flag" );                  sei.m_upsampledAspectRatio = val;
929}
930
931Void SEIReader::xParseSEISegmentedRectFramePacking(SEISegmentedRectFramePacking& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
932{
933  UInt val;
934  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
935  sei_read_flag( pDecodedMessageOutputStream, val,       "segmented_rect_frame_packing_arrangement_cancel_flag" );       sei.m_arrangementCancelFlag            = val;
936  if( !sei.m_arrangementCancelFlag )
937  {
938    sei_read_code( pDecodedMessageOutputStream, 2, val, "segmented_rect_content_interpretation_type" );                sei.m_contentInterpretationType = val;
939    sei_read_flag( pDecodedMessageOutputStream, val,     "segmented_rect_frame_packing_arrangement_persistence" );                              sei.m_arrangementPersistenceFlag               = val;
940  }
941}
942
943Void SEIReader::xParseSEIDisplayOrientation(SEIDisplayOrientation& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
944{
945  UInt val;
946  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
947  sei_read_flag( pDecodedMessageOutputStream, val,       "display_orientation_cancel_flag" );       sei.cancelFlag            = val;
948  if( !sei.cancelFlag )
949  {
950    sei_read_flag( pDecodedMessageOutputStream, val,     "hor_flip" );                              sei.horFlip               = val;
951    sei_read_flag( pDecodedMessageOutputStream, val,     "ver_flip" );                              sei.verFlip               = val;
952    sei_read_code( pDecodedMessageOutputStream, 16, val, "anticlockwise_rotation" );                sei.anticlockwiseRotation = val;
953    sei_read_flag( pDecodedMessageOutputStream, val,     "display_orientation_persistence_flag" );  sei.persistenceFlag       = val;
954  }
955}
956
957Void SEIReader::xParseSEITemporalLevel0Index(SEITemporalLevel0Index& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
958{
959  UInt val;
960  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
961  sei_read_code( pDecodedMessageOutputStream, 8, val, "temporal_sub_layer_zero_idx" );  sei.tl0Idx = val;
962  sei_read_code( pDecodedMessageOutputStream, 8, val, "irap_pic_id" );  sei.rapIdx = val;
963}
964
965Void SEIReader::xParseSEIRegionRefreshInfo(SEIGradualDecodingRefreshInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
966{
967  UInt val;
968  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
969  sei_read_flag( pDecodedMessageOutputStream, val, "refreshed_region_flag" ); sei.m_gdrForegroundFlag = val ? 1 : 0;
970}
971
972Void SEIReader::xParseSEINoDisplay(SEINoDisplay& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
973{
974  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
975  sei.m_noDisplay = true;
976}
977
978Void SEIReader::xParseSEIToneMappingInfo(SEIToneMappingInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
979{
980  Int i;
981  UInt val;
982  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
983  sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_id" );                         sei.m_toneMapId = val;
984  sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_cancel_flag" );                sei.m_toneMapCancelFlag = val;
985
986  if ( !sei.m_toneMapCancelFlag )
987  {
988    sei_read_flag( pDecodedMessageOutputStream, val, "tone_map_persistence_flag" );         sei.m_toneMapPersistenceFlag = val;
989    sei_read_code( pDecodedMessageOutputStream, 8, val, "coded_data_bit_depth" );           sei.m_codedDataBitDepth = val;
990    sei_read_code( pDecodedMessageOutputStream, 8, val, "target_bit_depth" );               sei.m_targetBitDepth = val;
991    sei_read_uvlc( pDecodedMessageOutputStream, val, "tone_map_model_id" );                 sei.m_modelId = val;
992    switch(sei.m_modelId)
993    {
994    case 0:
995      {
996        sei_read_code( pDecodedMessageOutputStream, 32, val, "min_value" );                 sei.m_minValue = val;
997        sei_read_code( pDecodedMessageOutputStream, 32, val, "max_value" );                 sei.m_maxValue = val;
998        break;
999      }
1000    case 1:
1001      {
1002        sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_midpoint" );          sei.m_sigmoidMidpoint = val;
1003        sei_read_code( pDecodedMessageOutputStream, 32, val, "sigmoid_width" );             sei.m_sigmoidWidth = val;
1004        break;
1005      }
1006    case 2:
1007      {
1008        UInt num = 1u << sei.m_targetBitDepth;
1009        sei.m_startOfCodedInterval.resize(num+1);
1010        for(i = 0; i < num; i++)
1011        {
1012          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "start_of_coded_interval[i]" );
1013          sei.m_startOfCodedInterval[i] = val;
1014        }
1015        sei.m_startOfCodedInterval[num] = 1u << sei.m_codedDataBitDepth;
1016        break;
1017      }
1018    case 3:
1019      {
1020        sei_read_code( pDecodedMessageOutputStream, 16, val,  "num_pivots" );                       sei.m_numPivots = val;
1021        sei.m_codedPivotValue.resize(sei.m_numPivots);
1022        sei.m_targetPivotValue.resize(sei.m_numPivots);
1023        for(i = 0; i < sei.m_numPivots; i++ )
1024        {
1025          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_codedDataBitDepth + 7 ) >> 3 ) << 3), val, "coded_pivot_value[i]" );
1026          sei.m_codedPivotValue[i] = val;
1027          sei_read_code( pDecodedMessageOutputStream, ((( sei.m_targetBitDepth + 7 ) >> 3 ) << 3),    val, "target_pivot_value[i]" );
1028          sei.m_targetPivotValue[i] = val;
1029        }
1030        break;
1031      }
1032    case 4:
1033      {
1034        sei_read_code( pDecodedMessageOutputStream, 8, val, "camera_iso_speed_idc" );                     sei.m_cameraIsoSpeedIdc = val;
1035        if( sei.m_cameraIsoSpeedIdc == 255) //Extended_ISO
1036        {
1037          sei_read_code( pDecodedMessageOutputStream, 32,   val,   "camera_iso_speed_value" );            sei.m_cameraIsoSpeedValue = val;
1038        }
1039        sei_read_code( pDecodedMessageOutputStream, 8, val, "exposure_index_idc" );                       sei.m_exposureIndexIdc = val;
1040        if( sei.m_exposureIndexIdc == 255) //Extended_ISO
1041        {
1042          sei_read_code( pDecodedMessageOutputStream, 32,   val,   "exposure_index_value" );              sei.m_exposureIndexValue = val;
1043        }
1044        sei_read_flag( pDecodedMessageOutputStream, val, "exposure_compensation_value_sign_flag" );       sei.m_exposureCompensationValueSignFlag = val;
1045        sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_numerator" );   sei.m_exposureCompensationValueNumerator = val;
1046        sei_read_code( pDecodedMessageOutputStream, 16, val, "exposure_compensation_value_denom_idc" );   sei.m_exposureCompensationValueDenomIdc = val;
1047        sei_read_code( pDecodedMessageOutputStream, 32, val, "ref_screen_luminance_white" );              sei.m_refScreenLuminanceWhite = val;
1048        sei_read_code( pDecodedMessageOutputStream, 32, val, "extended_range_white_level" );              sei.m_extendedRangeWhiteLevel = val;
1049        sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_black_level_code_value" );          sei.m_nominalBlackLevelLumaCodeValue = val;
1050        sei_read_code( pDecodedMessageOutputStream, 16, val, "nominal_white_level_code_value" );          sei.m_nominalWhiteLevelLumaCodeValue= val;
1051        sei_read_code( pDecodedMessageOutputStream, 16, val, "extended_white_level_code_value" );         sei.m_extendedWhiteLevelLumaCodeValue = val;
1052        break;
1053      }
1054    default:
1055      {
1056        assert(!"Undefined SEIToneMapModelId");
1057        break;
1058      }
1059    }//switch model id
1060  }// if(!sei.m_toneMapCancelFlag)
1061}
1062
1063Void SEIReader::xParseSEISOPDescription(SEISOPDescription &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1064{
1065  Int iCode;
1066  UInt uiCode;
1067  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1068
1069  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "sop_seq_parameter_set_id"            ); sei.m_sopSeqParameterSetId = uiCode;
1070  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "num_pics_in_sop_minus1"              ); sei.m_numPicsInSopMinus1 = uiCode;
1071  for (UInt i = 0; i <= sei.m_numPicsInSopMinus1; i++)
1072  {
1073    sei_read_code( pDecodedMessageOutputStream, 6, uiCode,                     "sop_vcl_nut[i]" );  sei.m_sopDescVclNaluType[i] = uiCode;
1074    sei_read_code( pDecodedMessageOutputStream, 3, sei.m_sopDescTemporalId[i], "sop_temporal_id[i]"   );  sei.m_sopDescTemporalId[i] = uiCode;
1075    if (sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_W_RADL && sei.m_sopDescVclNaluType[i] != NAL_UNIT_CODED_SLICE_IDR_N_LP)
1076    {
1077      sei_read_uvlc( pDecodedMessageOutputStream, sei.m_sopDescStRpsIdx[i],    "sop_short_term_rps_idx[i]"    ); sei.m_sopDescStRpsIdx[i] = uiCode;
1078    }
1079    if (i > 0)
1080    {
1081      sei_read_svlc( pDecodedMessageOutputStream, iCode,                       "sop_poc_delta[i]"     ); sei.m_sopDescPocDelta[i] = iCode;
1082    }
1083  }
1084}
1085
1086#if LAYERS_NOT_PRESENT_SEI
1087Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, TComVPS *vps, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
1088#else
1089Void SEIReader::xParseSEIScalableNesting(SEIScalableNesting& sei, const NalUnitType nalUnitType, UInt payloadSize, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
1090#endif
1091{
1092  UInt uiCode;
1093  SEIMessages seis;
1094  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1095
1096  sei_read_flag( pDecodedMessageOutputStream, uiCode,            "bitstream_subset_flag"         ); sei.m_bitStreamSubsetFlag = uiCode;
1097  sei_read_flag( pDecodedMessageOutputStream, uiCode,            "nesting_op_flag"               ); sei.m_nestingOpFlag = uiCode;
1098  if (sei.m_nestingOpFlag)
1099  {
1100    sei_read_flag( pDecodedMessageOutputStream, uiCode,            "default_op_flag"               ); sei.m_defaultOpFlag = uiCode;
1101    sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_num_ops_minus1"        ); sei.m_nestingNumOpsMinus1 = uiCode;
1102    for (UInt i = sei.m_defaultOpFlag; i <= sei.m_nestingNumOpsMinus1; i++)
1103    {
1104      sei_read_code( pDecodedMessageOutputStream, 3,        uiCode,  "nesting_max_temporal_id_plus1[i]"   ); sei.m_nestingMaxTemporalIdPlus1[i] = uiCode;
1105      sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_op_idx[i]"                  ); sei.m_nestingOpIdx[i] = uiCode;
1106    }
1107  }
1108  else
1109  {
1110    sei_read_flag( pDecodedMessageOutputStream, uiCode,            "all_layers_flag"               ); sei.m_allLayersFlag       = uiCode;
1111    if (!sei.m_allLayersFlag)
1112    {
1113      sei_read_code( pDecodedMessageOutputStream, 3,        uiCode,  "nesting_no_op_max_temporal_id_plus1"  ); sei.m_nestingNoOpMaxTemporalIdPlus1 = uiCode;
1114      sei_read_uvlc( pDecodedMessageOutputStream, uiCode,            "nesting_num_layers_minus1"            ); sei.m_nestingNumLayersMinus1        = uiCode;
1115      for (UInt i = 0; i <= sei.m_nestingNumLayersMinus1; i++)
1116      {
1117        sei_read_code( pDecodedMessageOutputStream, 6,           uiCode,     "nesting_layer_id[i]"      ); sei.m_nestingLayerId[i]   = uiCode;
1118      }
1119    }
1120  }
1121
1122  // byte alignment
1123  while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1124  {
1125    UInt code;
1126    sei_read_flag( pDecodedMessageOutputStream, code, "nesting_zero_bit" );
1127  }
1128
1129  sei.m_callerOwnsSEIs = false;
1130
1131  // read nested SEI messages
1132  do {
1133#if O0164_MULTI_LAYER_HRD
1134#if LAYERS_NOT_PRESENT_SEI
1135    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream, &sei);
1136#else
1137    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream, &sei);
1138#endif
1139#else
1140#if LAYERS_NOT_PRESENT_SEI
1141    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream);
1142#else
1143    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream);
1144#endif
1145#endif
1146  } while (m_pcBitstream->getNumBitsLeft() > 8);
1147
1148  if (pDecodedMessageOutputStream) (*pDecodedMessageOutputStream) << "End of scalable nesting SEI message\n";
1149}
1150
1151Void SEIReader::xParseSEITempMotionConstraintsTileSets(SEITempMotionConstrainedTileSets& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1152{
1153  UInt code;
1154  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1155  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);
1156  sei_read_flag( pDecodedMessageOutputStream, code, "each_tile_one_tile_set_flag");                 sei.m_each_tile_one_tile_set_flag                = (code != 0);
1157
1158  if(!sei.m_each_tile_one_tile_set_flag)
1159  {
1160    sei_read_flag( pDecodedMessageOutputStream, code, "limited_tile_set_display_flag");  sei.m_limited_tile_set_display_flag = (code != 0);
1161    sei_read_uvlc( pDecodedMessageOutputStream, code, "num_sets_in_message_minus1");     sei.setNumberOfTileSets(code + 1);
1162
1163    if(sei.getNumberOfTileSets() != 0)
1164    {
1165      for(Int i = 0; i < sei.getNumberOfTileSets(); i++)
1166      {
1167        sei_read_uvlc( pDecodedMessageOutputStream, code, "mcts_id");  sei.tileSetData(i).m_mcts_id = code;
1168
1169        if(sei.m_limited_tile_set_display_flag)
1170        {
1171          sei_read_flag( pDecodedMessageOutputStream, code, "display_tile_set_flag");  sei.tileSetData(i).m_display_tile_set_flag = (code != 1);
1172        }
1173
1174        sei_read_uvlc( pDecodedMessageOutputStream, code, "num_tile_rects_in_set_minus1");  sei.tileSetData(i).setNumberOfTileRects(code + 1);
1175
1176        for(Int j=0; j<sei.tileSetData(i).getNumberOfTileRects(); j++)
1177        {
1178          sei_read_uvlc( pDecodedMessageOutputStream, code, "top_left_tile_index");      sei.tileSetData(i).topLeftTileIndex(j)     = code;
1179          sei_read_uvlc( pDecodedMessageOutputStream, code, "bottom_right_tile_index");  sei.tileSetData(i).bottomRightTileIndex(j) = code;
1180        }
1181
1182        if(!sei.m_mc_all_tiles_exact_sample_value_match_flag)
1183        {
1184          sei_read_flag( pDecodedMessageOutputStream, code, "exact_sample_value_match_flag");   sei.tileSetData(i).m_exact_sample_value_match_flag    = (code != 0);
1185        }
1186        sei_read_flag( pDecodedMessageOutputStream, code, "mcts_tier_level_idc_present_flag");  sei.tileSetData(i).m_mcts_tier_level_idc_present_flag = (code != 0);
1187
1188        if(sei.tileSetData(i).m_mcts_tier_level_idc_present_flag)
1189        {
1190          sei_read_flag( pDecodedMessageOutputStream, code,    "mcts_tier_flag"); sei.tileSetData(i).m_mcts_tier_flag = (code != 0);
1191          sei_read_code( pDecodedMessageOutputStream, 8, code, "mcts_level_idc"); sei.tileSetData(i).m_mcts_level_idc =  code;
1192        }
1193      }
1194    }
1195  }
1196  else
1197  {
1198    sei_read_flag( pDecodedMessageOutputStream, code, "max_mcs_tier_level_idc_present_flag");  sei.m_max_mcs_tier_level_idc_present_flag = code;
1199    if(sei.m_max_mcs_tier_level_idc_present_flag)
1200    {
1201      sei_read_flag( pDecodedMessageOutputStream, code, "max_mcts_tier_flag");  sei.m_max_mcts_tier_flag = code;
1202      sei_read_code( pDecodedMessageOutputStream, 8, code, "max_mcts_level_idc"); sei.m_max_mcts_level_idc = code;
1203    }
1204  }
1205}
1206
1207Void SEIReader::xParseSEITimeCode(SEITimeCode& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1208{
1209  UInt code;
1210  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1211  sei_read_code( pDecodedMessageOutputStream, 2, code, "num_clock_ts"); sei.numClockTs = code;
1212  for(Int i = 0; i < sei.numClockTs; i++)
1213  {
1214    TComSEITimeSet currentTimeSet;
1215    sei_read_flag( pDecodedMessageOutputStream, code, "clock_time_stamp_flag[i]"); currentTimeSet.clockTimeStampFlag = code;
1216    if(currentTimeSet.clockTimeStampFlag)
1217    {
1218      sei_read_flag( pDecodedMessageOutputStream, code, "nuit_field_based_flag"); currentTimeSet.numUnitFieldBasedFlag = code;
1219      sei_read_code( pDecodedMessageOutputStream, 5, code, "counting_type"); currentTimeSet.countingType = code;
1220      sei_read_flag( pDecodedMessageOutputStream, code, "full_timestamp_flag"); currentTimeSet.fullTimeStampFlag = code;
1221      sei_read_flag( pDecodedMessageOutputStream, code, "discontinuity_flag"); currentTimeSet.discontinuityFlag = code;
1222      sei_read_flag( pDecodedMessageOutputStream, code, "cnt_dropped_flag"); currentTimeSet.cntDroppedFlag = code;
1223      sei_read_code( pDecodedMessageOutputStream, 9, code, "n_frames"); currentTimeSet.numberOfFrames = code;
1224      if(currentTimeSet.fullTimeStampFlag)
1225      {
1226        sei_read_code( pDecodedMessageOutputStream, 6, code, "seconds_value"); currentTimeSet.secondsValue = code;
1227        sei_read_code( pDecodedMessageOutputStream, 6, code, "minutes_value"); currentTimeSet.minutesValue = code;
1228        sei_read_code( pDecodedMessageOutputStream, 5, code, "hours_value"); currentTimeSet.hoursValue = code;
1229      }
1230      else
1231      {
1232        sei_read_flag( pDecodedMessageOutputStream, code, "seconds_flag"); currentTimeSet.secondsFlag = code;
1233        if(currentTimeSet.secondsFlag)
1234        {
1235          sei_read_code( pDecodedMessageOutputStream, 6, code, "seconds_value"); currentTimeSet.secondsValue = code;
1236          sei_read_flag( pDecodedMessageOutputStream, code, "minutes_flag"); currentTimeSet.minutesFlag = code;
1237          if(currentTimeSet.minutesFlag)
1238          {
1239            sei_read_code( pDecodedMessageOutputStream, 6, code, "minutes_value"); currentTimeSet.minutesValue = code;
1240            sei_read_flag( pDecodedMessageOutputStream, code, "hours_flag"); currentTimeSet.hoursFlag = code;
1241            if(currentTimeSet.hoursFlag)
1242              sei_read_code( pDecodedMessageOutputStream, 5, code, "hours_value"); currentTimeSet.hoursValue = code;
1243          }
1244        }
1245      }
1246      sei_read_code( pDecodedMessageOutputStream, 5, code, "time_offset_length"); currentTimeSet.timeOffsetLength = code;
1247      if(currentTimeSet.timeOffsetLength > 0)
1248      {
1249        sei_read_code( pDecodedMessageOutputStream, currentTimeSet.timeOffsetLength, code, "time_offset_value");
1250        if((code & (1 << (currentTimeSet.timeOffsetLength-1))) == 0)
1251        {
1252          currentTimeSet.timeOffsetValue = code;
1253        }
1254        else
1255        {
1256          code &= (1<< (currentTimeSet.timeOffsetLength-1)) - 1;
1257          currentTimeSet.timeOffsetValue = ~code + 1;
1258        }
1259      }
1260    }
1261    sei.timeSetArray[i] = currentTimeSet;
1262  }
1263}
1264
1265Void SEIReader::xParseSEIChromaSamplingFilterHint(SEIChromaSamplingFilterHint& sei, UInt payloadSize/*, TComSPS* sps*/, std::ostream *pDecodedMessageOutputStream)
1266{
1267  UInt uiCode;
1268  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1269
1270  sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "ver_chroma_filter_idc"); sei.m_verChromaFilterIdc = uiCode;
1271  sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "hor_chroma_filter_idc"); sei.m_horChromaFilterIdc = uiCode;
1272  sei_read_flag( pDecodedMessageOutputStream, uiCode, "ver_filtering_process_flag"); sei.m_verFilteringProcessFlag = uiCode;
1273  if(sei.m_verChromaFilterIdc == 1 || sei.m_horChromaFilterIdc == 1)
1274  {
1275    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "target_format_idc"); sei.m_targetFormatIdc = uiCode;
1276    if(sei.m_verChromaFilterIdc == 1)
1277    {
1278      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_vertical_filters"); sei.m_numVerticalFilters = uiCode;
1279      if(sei.m_numVerticalFilters > 0)
1280      {
1281        sei.m_verTapLengthMinus1 = (Int*)malloc(sei.m_numVerticalFilters * sizeof(Int));
1282        sei.m_verFilterCoeff = (Int**)malloc(sei.m_numVerticalFilters * sizeof(Int*));
1283        for(Int i = 0; i < sei.m_numVerticalFilters; i ++)
1284        {
1285          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "ver_tap_length_minus_1"); sei.m_verTapLengthMinus1[i] = uiCode;
1286          sei.m_verFilterCoeff[i] = (Int*)malloc(sei.m_verTapLengthMinus1[i] * sizeof(Int));
1287          for(Int j = 0; j < sei.m_verTapLengthMinus1[i]; j ++)
1288          {
1289            sei_read_svlc( pDecodedMessageOutputStream, sei.m_verFilterCoeff[i][j], "ver_filter_coeff");
1290          }
1291        }
1292      }
1293    }
1294    if(sei.m_horChromaFilterIdc == 1)
1295    {
1296      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_horizontal_filters"); sei.m_numHorizontalFilters = uiCode;
1297      if(sei.m_numHorizontalFilters  > 0)
1298      {
1299        sei.m_horTapLengthMinus1 = (Int*)malloc(sei.m_numHorizontalFilters * sizeof(Int));
1300        sei.m_horFilterCoeff = (Int**)malloc(sei.m_numHorizontalFilters * sizeof(Int*));
1301        for(Int i = 0; i < sei.m_numHorizontalFilters; i ++)
1302        {
1303          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "hor_tap_length_minus_1"); sei.m_horTapLengthMinus1[i] = uiCode;
1304          sei.m_horFilterCoeff[i] = (Int*)malloc(sei.m_horTapLengthMinus1[i] * sizeof(Int));
1305          for(Int j = 0; j < sei.m_horTapLengthMinus1[i]; j ++)
1306          {
1307            sei_read_svlc( pDecodedMessageOutputStream, sei.m_horFilterCoeff[i][j], "hor_filter_coeff");
1308          }
1309        }
1310      }
1311    }
1312  }
1313}
1314
1315Void SEIReader::xParseSEIKneeFunctionInfo(SEIKneeFunctionInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1316{
1317  Int i;
1318  UInt val;
1319  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1320
1321  sei_read_uvlc( pDecodedMessageOutputStream, val, "knee_function_id" );                   sei.m_kneeId = val;
1322  sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_cancel_flag" );          sei.m_kneeCancelFlag = val;
1323  if ( !sei.m_kneeCancelFlag )
1324  {
1325    sei_read_flag( pDecodedMessageOutputStream, val, "knee_function_persistence_flag" );   sei.m_kneePersistenceFlag = val;
1326    sei_read_code( pDecodedMessageOutputStream, 32, val, "input_d_range" );                sei.m_kneeInputDrange = val;
1327    sei_read_code( pDecodedMessageOutputStream, 32, val, "input_disp_luminance" );         sei.m_kneeInputDispLuminance = val;
1328    sei_read_code( pDecodedMessageOutputStream, 32, val, "output_d_range" );               sei.m_kneeOutputDrange = val;
1329    sei_read_code( pDecodedMessageOutputStream, 32, val, "output_disp_luminance" );        sei.m_kneeOutputDispLuminance = val;
1330    sei_read_uvlc( pDecodedMessageOutputStream, val, "num_knee_points_minus1" );           sei.m_kneeNumKneePointsMinus1 = val;
1331    assert( sei.m_kneeNumKneePointsMinus1 > 0 );
1332    sei.m_kneeInputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1);
1333    sei.m_kneeOutputKneePoint.resize(sei.m_kneeNumKneePointsMinus1+1);
1334    for(i = 0; i <= sei.m_kneeNumKneePointsMinus1; i++ )
1335    {
1336      sei_read_code( pDecodedMessageOutputStream, 10, val, "input_knee_point" );           sei.m_kneeInputKneePoint[i] = val;
1337      sei_read_code( pDecodedMessageOutputStream, 10, val, "output_knee_point" );          sei.m_kneeOutputKneePoint[i] = val;
1338    }
1339  }
1340}
1341
1342Void SEIReader::xParseSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1343{
1344  UInt code;
1345  output_sei_message_header(sei, pDecodedMessageOutputStream, payloadSize);
1346
1347  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[0]" ); sei.values.primaries[0][0] = code;
1348  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[0]" ); sei.values.primaries[0][1] = code;
1349
1350  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[1]" ); sei.values.primaries[1][0] = code;
1351  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[1]" ); sei.values.primaries[1][1] = code;
1352
1353  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_x[2]" ); sei.values.primaries[2][0] = code;
1354  sei_read_code( pDecodedMessageOutputStream, 16, code, "display_primaries_y[2]" ); sei.values.primaries[2][1] = code;
1355
1356
1357  sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_x" ); sei.values.whitePoint[0] = code;
1358  sei_read_code( pDecodedMessageOutputStream, 16, code, "white_point_y" ); sei.values.whitePoint[1] = code;
1359
1360  sei_read_code( pDecodedMessageOutputStream, 32, code, "max_display_mastering_luminance" ); sei.values.maxLuminance = code;
1361  sei_read_code( pDecodedMessageOutputStream, 32, code, "min_display_mastering_luminance" ); sei.values.minLuminance = code;
1362}
1363
1364#if Q0074_COLOUR_REMAPPING_SEI
1365Void SEIReader::xParseSEIColourRemappingInfo(SEIColourRemappingInfo& sei, UInt /*payloadSize*/, std::ostream *pDecodedMessageOutputStream)
1366{
1367  UInt  uiVal;
1368  Int   iVal;
1369
1370  sei_read_uvlc( pDecodedMessageOutputStream, uiVal, "colour_remap_id" );          sei.m_colourRemapId = uiVal;
1371  sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_cancel_flag" ); sei.m_colourRemapCancelFlag = uiVal;
1372  if( !sei.m_colourRemapCancelFlag ) 
1373  {
1374    sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_persistence_flag" );                sei.m_colourRemapPersistenceFlag = uiVal;
1375    sei_read_flag( pDecodedMessageOutputStream, uiVal, "colour_remap_video_signal_info_present_flag" );  sei.m_colourRemapVideoSignalInfoPresentFlag = uiVal;
1376    if ( sei.m_colourRemapVideoSignalInfoPresentFlag )
1377    {
1378      sei_read_flag( pDecodedMessageOutputStream, uiVal,    "colour_remap_full_range_flag" );           sei.m_colourRemapFullRangeFlag = uiVal;
1379      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_primaries" );                 sei.m_colourRemapPrimaries = uiVal;
1380      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_transfer_function" );         sei.m_colourRemapTransferFunction = uiVal;
1381      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_matrix_coefficients" );       sei.m_colourRemapMatrixCoefficients = uiVal;
1382    }
1383    sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_input_bit_depth" ); sei.m_colourRemapInputBitDepth = uiVal;
1384    sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "colour_remap_bit_depth" ); sei.m_colourRemapBitDepth = uiVal;
1385 
1386    for( Int c=0 ; c<3 ; c++ )
1387    {
1388      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "pre_lut_num_val_minus1[c]" ); sei.m_preLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal;
1389      sei.m_preLutCodedValue[c].resize(sei.m_preLutNumValMinus1[c]+1);
1390      sei.m_preLutTargetValue[c].resize(sei.m_preLutNumValMinus1[c]+1);
1391      if( uiVal> 0 )
1392        for ( Int i=0 ; i<=sei.m_preLutNumValMinus1[c] ; i++ )
1393        {
1394          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapInputBitDepth   + 7 ) >> 3 ) << 3, uiVal, "pre_lut_coded_value[c][i]" );  sei.m_preLutCodedValue[c][i]  = uiVal;
1395          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "pre_lut_target_value[c][i]" ); sei.m_preLutTargetValue[c][i] = uiVal;
1396        }
1397      else // pre_lut_num_val_minus1[c] == 0
1398      {
1399        sei.m_preLutCodedValue[c][0]  = 0;
1400        sei.m_preLutTargetValue[c][0] = 0;
1401        sei.m_preLutCodedValue[c][1]  = (1 << sei.m_colourRemapInputBitDepth) - 1 ;
1402        sei.m_preLutTargetValue[c][1] = (1 << sei.m_colourRemapBitDepth) - 1 ;
1403      }
1404    }
1405
1406    sei_read_flag( pDecodedMessageOutputStream, uiVal,      "colour_remap_matrix_present_flag" ); sei.m_colourRemapMatrixPresentFlag = uiVal;
1407    if( sei.m_colourRemapMatrixPresentFlag )
1408    {
1409      sei_read_code( pDecodedMessageOutputStream, 4, uiVal, "log2_matrix_denom" ); sei.m_log2MatrixDenom = uiVal;
1410      for ( Int c=0 ; c<3 ; c++ )
1411        for ( Int i=0 ; i<3 ; i++ )
1412        {
1413          sei_read_svlc( pDecodedMessageOutputStream, iVal, "colour_remap_coeffs[c][i]" ); sei.m_colourRemapCoeffs[c][i] = iVal;
1414        }
1415    }
1416    else // setting default matrix (I3)
1417    {
1418      sei.m_log2MatrixDenom = 0;
1419      for ( Int c=0 ; c<3 ; c++ )
1420        for ( Int i=0 ; i<3 ; i++ )
1421          sei.m_colourRemapCoeffs[c][i] = (c==i) ? 1 : 0;
1422    }
1423    for( Int c=0 ; c<3 ; c++ )
1424    {
1425      sei_read_code( pDecodedMessageOutputStream, 8, uiVal, "post_lut_num_val_minus1[c]" ); sei.m_postLutNumValMinus1[c] = (uiVal==0) ? 1 : uiVal;
1426      sei.m_postLutCodedValue[c].resize(sei.m_postLutNumValMinus1[c]+1);
1427      sei.m_postLutTargetValue[c].resize(sei.m_postLutNumValMinus1[c]+1);
1428      if( uiVal > 0 )
1429        for ( Int i=0 ; i<=sei.m_postLutNumValMinus1[c] ; i++ )
1430        {
1431          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_coded_value[c][i]" );  sei.m_postLutCodedValue[c][i] = uiVal;
1432          sei_read_code( pDecodedMessageOutputStream, (( sei.m_colourRemapBitDepth + 7 ) >> 3 ) << 3, uiVal, "post_lut_target_value[c][i]" ); sei.m_postLutTargetValue[c][i] = uiVal;
1433        }
1434      else
1435      {
1436        sei.m_postLutCodedValue[c][0]  = 0;
1437        sei.m_postLutTargetValue[c][0] = 0;
1438        sei.m_postLutTargetValue[c][1] = (1 << sei.m_colourRemapBitDepth) - 1;
1439        sei.m_postLutCodedValue[c][1]  = (1 << sei.m_colourRemapBitDepth) - 1;
1440      }
1441    }
1442  }
1443}
1444#endif
1445
1446
1447#if SVC_EXTENSION
1448#if LAYERS_NOT_PRESENT_SEI
1449Void SEIReader::xParseSEILayersNotPresent(SEILayersNotPresent &sei, UInt payloadSize, TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
1450{
1451  UInt uiCode;
1452  UInt i = 0;
1453
1454  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "lp_sei_active_vps_id" ); sei.m_activeVpsId = uiCode;
1455  assert(vps->getVPSId() == sei.m_activeVpsId);
1456  sei.m_vpsMaxLayers = vps->getMaxLayers();
1457  for (; i < sei.m_vpsMaxLayers; i++)
1458  {
1459    sei_read_flag( pDecodedMessageOutputStream, uiCode,         "layer_not_present_flag"   ); sei.m_layerNotPresentFlag[i] = uiCode ? true : false;
1460  }
1461  for (; i < MAX_LAYERS; i++)
1462  {
1463    sei.m_layerNotPresentFlag[i] = false;
1464  }
1465}
1466#endif
1467
1468#if N0383_IL_CONSTRAINED_TILE_SETS_SEI
1469Void SEIReader::xParseSEIInterLayerConstrainedTileSets (SEIInterLayerConstrainedTileSets &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1470{
1471  UInt uiCode;
1472
1473  sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_all_tiles_exact_sample_value_match_flag"   ); sei.m_ilAllTilesExactSampleValueMatchFlag = uiCode;
1474  sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_one_tile_per_tile_set_flag"                ); sei.m_ilOneTilePerTileSetFlag = uiCode;
1475  if( !sei.m_ilOneTilePerTileSetFlag )
1476  {
1477    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_num_sets_in_message_minus1"                ); sei.m_ilNumSetsInMessageMinus1 = uiCode;
1478    if( sei.m_ilNumSetsInMessageMinus1 )
1479    {
1480      sei_read_flag( pDecodedMessageOutputStream, uiCode, "skipped_tile_set_present_flag"                ); sei.m_skippedTileSetPresentFlag = uiCode;
1481    }
1482    else
1483    {
1484      sei.m_skippedTileSetPresentFlag = false;
1485    }
1486    UInt numSignificantSets = sei.m_ilNumSetsInMessageMinus1 - (sei.m_skippedTileSetPresentFlag ? 1 : 0) + 1;
1487    for( UInt i = 0; i < numSignificantSets; i++ )
1488    {
1489      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "ilcts_id"                                     ); sei.m_ilctsId[i] = uiCode;
1490      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_num_tile_rects_in_set_minus1"              ) ;sei.m_ilNumTileRectsInSetMinus1[i] = uiCode;
1491      for( UInt j = 0; j <= sei.m_ilNumTileRectsInSetMinus1[i]; j++ )
1492      {
1493        sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_top_left_tile_index"                       ); sei.m_ilTopLeftTileIndex[i][j] = uiCode;
1494        sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "il_bottom_right_tile_index"                   ); sei.m_ilBottomRightTileIndex[i][j] = uiCode;
1495      }
1496      sei_read_code( pDecodedMessageOutputStream, 2, uiCode, "ilc_idc"                                   ); sei.m_ilcIdc[i] = uiCode;
1497      if( sei.m_ilAllTilesExactSampleValueMatchFlag )
1498      {
1499        sei_read_flag( pDecodedMessageOutputStream, uiCode, "il_exact_sample_value_match_flag"             ); sei.m_ilExactSampleValueMatchFlag[i] = uiCode;
1500      }
1501    }
1502  }
1503  else
1504  {
1505    sei_read_code( pDecodedMessageOutputStream, 2, uiCode, "all_tiles_ilc_idc"                         ); sei.m_allTilesIlcIdc = uiCode;
1506  }
1507}
1508#endif
1509
1510#if SUB_BITSTREAM_PROPERTY_SEI
1511#if OLS_IDX_CHK
1512Void SEIReader::xParseSEISubBitstreamProperty(SEISubBitstreamProperty &sei, TComVPS *vps, std::ostream *pDecodedMessageOutputStream)
1513#else
1514Void SEIReader::xParseSEISubBitstreamProperty(SEISubBitstreamProperty &sei, std::ostream *pDecodedMessageOutputStream)
1515#endif
1516{
1517  UInt uiCode;
1518  sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "active_vps_id" );                      sei.m_activeVpsId = uiCode;
1519  sei_read_uvlc( pDecodedMessageOutputStream,    uiCode, "num_additional_sub_streams_minus1" );  sei.m_numAdditionalSubStreams = uiCode + 1;
1520
1521  for( Int i = 0; i < sei.m_numAdditionalSubStreams; i++ )
1522  {
1523    sei_read_code( pDecodedMessageOutputStream,  2, uiCode, "sub_bitstream_mode[i]"           ); sei.m_subBitstreamMode[i] = uiCode;
1524    sei_read_uvlc( pDecodedMessageOutputStream,     uiCode, "output_layer_set_idx_to_vps[i]"  );
1525#if OLS_IDX_CHK
1526      // The value of output_layer_set_idx_to_vps[ i ]  shall be in the range of 0 to NumOutputLayerSets − 1, inclusive.
1527      assert(uiCode > 0 && uiCode <= vps->getNumOutputLayerSets()-1);
1528#endif
1529      sei.m_outputLayerSetIdxToVps[i] = uiCode;
1530    sei_read_code( pDecodedMessageOutputStream,  3, uiCode, "highest_sub_layer_id[i]"         ); sei.m_highestSublayerId[i] = uiCode;
1531    sei_read_code( pDecodedMessageOutputStream, 16, uiCode, "avg_bit_rate[i]"                 ); sei.m_avgBitRate[i] = uiCode;
1532    sei_read_code( pDecodedMessageOutputStream, 16, uiCode, "max_bit_rate[i]"                 ); sei.m_maxBitRate[i] = uiCode;
1533  } 
1534}
1535#endif
1536
1537#if O0164_MULTI_LAYER_HRD
1538#if LAYERS_NOT_PRESENT_SEI
1539Void SEIReader::xParseSEIBspNesting(SEIBspNesting &sei, const NalUnitType nalUnitType, TComVPS *vps, TComSPS *sps, const SEIScalableNesting &nestingSei, std::ostream *pDecodedMessageOutputStream)
1540#else
1541Void SEIReader::xParseSEIBspNesting(SEIBspNesting &sei, const NalUnitType nalUnitType, TComSPS *sps, const SEIScalableNesting &nestingSei, std::ostream *pDecodedMessageOutputStream)
1542#endif
1543{
1544  UInt uiCode;
1545  sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bsp_idx" ); sei.m_bspIdx = uiCode;
1546
1547  // byte alignment
1548  while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1549  {
1550    UInt code;
1551    sei_read_flag( pDecodedMessageOutputStream, code, "bsp_nesting_zero_bit" );
1552  }
1553
1554  sei.m_callerOwnsSEIs = false;
1555
1556  // read nested SEI messages
1557#if NESTING_SEI_EXTENSIBILITY
1558  Int numSeiMessages = 0;
1559  sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_seis_in_bsp_minus1" );  assert( uiCode <= MAX_SEIS_IN_BSP_NESTING );
1560  numSeiMessages = uiCode;
1561  for(Int i = 0; i < numSeiMessages; i++)
1562  {
1563    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream, &nestingSei, &sei);
1564  }
1565#else
1566  do {
1567#if LAYERS_NOT_PRESENT_SEI
1568    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream, &nestingSei, &sei);
1569#else
1570    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream, &nestingSei);
1571#endif
1572  } while (m_pcBitstream->getNumBitsLeft() > 8);
1573#endif
1574}
1575
1576Void SEIReader::xParseSEIBspInitialArrivalTime(SEIBspInitialArrivalTime &sei, TComVPS *vps, TComSPS *sps, const SEIScalableNesting &nestingSei, const SEIBspNesting &bspNestingSei, std::ostream *pDecodedMessageOutputStream)
1577{
1578  assert(vps->getVpsVuiPresentFlag());
1579
1580#if VPS_VUI_BSP_HRD_PARAMS
1581  UInt uiCode;
1582  Int psIdx         = bspNestingSei.m_seiPartitioningSchemeIdx;
1583  Int seiOlsIdx     = bspNestingSei.m_seiOlsIdx;
1584  Int maxTemporalId = nestingSei.m_nestingMaxTemporalIdPlus1[0];
1585  Int maxValues     = vps->getNumBspSchedulesMinus1(seiOlsIdx, psIdx, maxTemporalId) + 1;
1586  std::vector<Int> hrdIdx(0, maxValues);
1587  std::vector<TComHRD *> hrdVec;
1588  std::vector<Int> syntaxElemLen;
1589  for(Int i = 0; i < maxValues; i++)
1590  {
1591    hrdIdx[i] = vps->getBspHrdIdx( seiOlsIdx, psIdx, maxTemporalId, i, bspNestingSei.m_bspIdx);
1592    hrdVec[i] = vps->getBspHrd(hrdIdx[i]);
1593   
1594    syntaxElemLen[i] = hrdVec[i]->getInitialCpbRemovalDelayLengthMinus1() + 1;
1595    if ( !(hrdVec[i]->getNalHrdParametersPresentFlag() || hrdVec[i]->getVclHrdParametersPresentFlag()) )
1596    {
1597      assert( syntaxElemLen[i] == 24 ); // Default value of init_cpb_removal_delay_length_minus1 is 23
1598    }
1599    if( i > 0 )
1600    {
1601      assert( hrdVec[i]->getNalHrdParametersPresentFlag() == hrdVec[i-1]->getNalHrdParametersPresentFlag() );
1602      assert( hrdVec[i]->getVclHrdParametersPresentFlag() == hrdVec[i-1]->getVclHrdParametersPresentFlag() );
1603    }
1604  }
1605  if (hrdVec[0]->getNalHrdParametersPresentFlag())
1606  {
1607    for(UInt i = 0; i < maxValues; i++)
1608    {
1609      sei_read_code( pDecodedMessageOutputStream, syntaxElemLen[i], uiCode, "nal_initial_arrival_delay[i]" ); sei.m_nalInitialArrivalDelay[i] = uiCode;
1610    }
1611  }
1612  if( hrdVec[0]->getVclHrdParametersPresentFlag() )
1613  {
1614    for(UInt i = 0; i < maxValues; i++)
1615    {
1616      sei_read_code( pDecodedMessageOutputStream, syntaxElemLen[i], uiCode, "vcl_initial_arrival_delay[i]" ); sei.m_vclInitialArrivalDelay[i] = uiCode;
1617    }
1618  }
1619#else
1620  UInt schedCombCnt = vps->getNumBspSchedCombinations(nestingSei.m_nestingOpIdx[0]);
1621  UInt len;
1622  UInt hrdIdx;
1623  UInt uiCode;
1624
1625  if (schedCombCnt > 0)
1626  {
1627    hrdIdx = vps->getBspCombHrdIdx(nestingSei.m_nestingOpIdx[0], 0, bspNestingSei.m_bspIdx);
1628  }
1629  else
1630  {
1631    hrdIdx = 0;
1632  }
1633
1634  TComHRD *hrd = vps->getBspHrd(hrdIdx);
1635
1636  if (hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag())
1637  {
1638    len = hrd->getInitialCpbRemovalDelayLengthMinus1() + 1;
1639  }
1640  else
1641  {
1642    len = 23 + 1;
1643  }
1644
1645  if (hrd->getNalHrdParametersPresentFlag())
1646  {
1647    for(UInt i = 0; i < schedCombCnt; i++)
1648    {
1649      sei_read_code( pDecodedMessageOutputStream, len, uiCode, "nal_initial_arrival_delay" ); sei.m_nalInitialArrivalDelay[i] = uiCode;
1650    }
1651  }
1652#if BSP_INIT_ARRIVAL_SEI
1653  if( hrd->getVclHrdParametersPresentFlag() )
1654#else
1655  else
1656#endif
1657  {
1658    for(UInt i = 0; i < schedCombCnt; i++)
1659    {
1660      sei_read_code( pDecodedMessageOutputStream, len, uiCode, "vcl_initial_arrival_delay" ); sei.m_vclInitialArrivalDelay[i] = uiCode;
1661    }
1662  }
1663#endif
1664}
1665
1666#if !REMOVE_BSP_HRD_SEI
1667Void SEIReader::xParseSEIBspHrd(SEIBspHrd &sei, TComSPS *sps, const SEIScalableNesting &nestingSei, std::ostream *pDecodedMessageOutputStream)
1668{
1669  UInt uiCode;
1670  sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "sei_num_bsp_hrd_parameters_minus1" ); sei.m_seiNumBspHrdParametersMinus1 = uiCode;
1671  for (UInt i = 0; i <= sei.m_seiNumBspHrdParametersMinus1; i++)
1672  {
1673    if (i > 0)
1674    {
1675      sei_read_flag( pDecodedMessageOutputStream, uiCode, "sei_bsp_cprms_present_flag" ); sei.m_seiBspCprmsPresentFlag[i] = uiCode;
1676    }
1677    xParseHrdParameters(sei.hrd, i==0 ? 1 : sei.m_seiBspCprmsPresentFlag[i], nestingSei.m_nestingMaxTemporalIdPlus1[0]-1);
1678  }
1679  for (UInt h = 0; h <= nestingSei.m_nestingNumOpsMinus1; h++)
1680  {
1681    UInt lsIdx = nestingSei.m_nestingOpIdx[h];
1682    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_sei_bitstream_partitions_minus1[i]"); sei.m_seiNumBitstreamPartitionsMinus1[lsIdx] = uiCode;
1683#if HRD_BPB
1684    Int chkPart=0;
1685#endif
1686    UInt i;
1687    for(i = 0; i <= sei.m_seiNumBitstreamPartitionsMinus1[lsIdx]; i++)
1688    {
1689#if HRD_BPB
1690      UInt nl=0; UInt j;
1691      for(j = 0; j < sei.m_vpsMaxLayers; j++)
1692      {
1693        if (sei.m_layerIdIncludedFlag[lsIdx][j])
1694        {
1695          nl++;
1696        }
1697      }
1698      for (j = 0; j < nl; j++)
1699      {
1700#else
1701      for (UInt j = 0; j < sei.m_vpsMaxLayers; j++)
1702      {
1703        if (sei.m_layerIdIncludedFlag[lsIdx][j])
1704        {
1705#endif
1706          sei_read_flag( pDecodedMessageOutputStream, uiCode, "sei_layer_in_bsp_flag[lsIdx][i][j]" ); sei.m_seiLayerInBspFlag[lsIdx][i][j] = uiCode;
1707        }
1708#if !HRD_BPB
1709      }
1710#endif
1711#if HRD_BPB
1712      chkPart+=sei.m_seiLayerInBspFlag[lsIdx][i][j];
1713#endif
1714    }
1715#if HRD_BPB
1716    assert(chkPart<=1);
1717#endif
1718#if HRD_BPB
1719    if(sei.m_seiNumBitstreamPartitionsMinus1[lsIdx]==0)
1720    {
1721      Int chkPartition1=0; Int chkPartition2=0;
1722      for (UInt j = 0; j < sei.m_vpsMaxLayers; j++)
1723      {
1724        if( sei.m_layerIdIncludedFlag[lsIdx][j] )
1725        {
1726          chkPartition1+=sei.m_seiLayerInBspFlag[lsIdx][0][j];
1727          chkPartition2++;
1728        }
1729      }
1730      assert(chkPartition1!=chkPartition2);
1731    }
1732#endif
1733     
1734    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "sei_num_bsp_sched_combinations_minus1[i]"); sei.m_seiNumBspSchedCombinationsMinus1[lsIdx] = uiCode;
1735    for (i = 0; i <= sei.m_seiNumBspSchedCombinationsMinus1[lsIdx]; i++)
1736    {
1737      for (UInt j = 0; j <= sei.m_seiNumBitstreamPartitionsMinus1[lsIdx]; j++)
1738      {
1739        sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "sei_bsp_comb_hrd_idx[lsIdx][i][j]"); sei.m_seiBspCombHrdIdx[lsIdx][i][j] = uiCode;
1740#if HRD_BPB
1741        assert(uiCode <= sei.m_seiNumBspHrdParametersMinus1);
1742#endif
1743        sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "sei_bsp_comb_sched_idx[lsIdx][i][j]"); sei.m_seiBspCombScheddx[lsIdx][i][j] = uiCode;
1744#if HRD_BPB
1745        assert(uiCode <= sei.hrd->getCpbCntMinus1( sps->getMaxTLayers()-1 ));
1746#endif
1747
1748      }
1749    }
1750  }
1751}
1752#endif
1753
1754Void SEIReader::xParseHrdParameters(TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1, std::ostream *pDecodedMessageOutputStream)
1755{
1756  UInt  uiCode;
1757  if( commonInfPresentFlag )
1758  {
1759    sei_read_flag( pDecodedMessageOutputStream, uiCode, "nal_hrd_parameters_present_flag" );           hrd->setNalHrdParametersPresentFlag( uiCode == 1 ? true : false );
1760    sei_read_flag( pDecodedMessageOutputStream, uiCode, "vcl_hrd_parameters_present_flag" );           hrd->setVclHrdParametersPresentFlag( uiCode == 1 ? true : false );
1761    if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() )
1762    {
1763      sei_read_flag( pDecodedMessageOutputStream, uiCode, "sub_pic_cpb_params_present_flag" );         hrd->setSubPicCpbParamsPresentFlag( uiCode == 1 ? true : false );
1764      if( hrd->getSubPicCpbParamsPresentFlag() )
1765      {
1766        sei_read_code( pDecodedMessageOutputStream, 8, uiCode, "tick_divisor_minus2" );                hrd->setTickDivisorMinus2( uiCode );
1767        sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "du_cpb_removal_delay_length_minus1" ); hrd->setDuCpbRemovalDelayLengthMinus1( uiCode );
1768        sei_read_flag( pDecodedMessageOutputStream, uiCode, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); hrd->setSubPicCpbParamsInPicTimingSEIFlag( uiCode == 1 ? true : false );
1769        sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "dpb_output_delay_du_length_minus1"  ); hrd->setDpbOutputDelayDuLengthMinus1( uiCode );
1770      }
1771      sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "bit_rate_scale" );                       hrd->setBitRateScale( uiCode );
1772      sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "cpb_size_scale" );                       hrd->setCpbSizeScale( uiCode );
1773      if( hrd->getSubPicCpbParamsPresentFlag() )
1774      {
1775        sei_read_code( pDecodedMessageOutputStream, 4, uiCode, "cpb_size_du_scale" );                  hrd->setDuCpbSizeScale( uiCode );
1776      }
1777      sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "initial_cpb_removal_delay_length_minus1" ); hrd->setInitialCpbRemovalDelayLengthMinus1( uiCode );
1778      sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "au_cpb_removal_delay_length_minus1" );      hrd->setCpbRemovalDelayLengthMinus1( uiCode );
1779      sei_read_code( pDecodedMessageOutputStream, 5, uiCode, "dpb_output_delay_length_minus1" );       hrd->setDpbOutputDelayLengthMinus1( uiCode );
1780    }
1781  }
1782  Int i, j, nalOrVcl;
1783  for( i = 0; i <= maxNumSubLayersMinus1; i ++ )
1784  {
1785    sei_read_flag( pDecodedMessageOutputStream, uiCode, "fixed_pic_rate_general_flag" );                     hrd->setFixedPicRateFlag( i, uiCode == 1 ? true : false  );
1786    if( !hrd->getFixedPicRateFlag( i ) )
1787    {
1788       sei_read_flag( pDecodedMessageOutputStream, uiCode, "fixed_pic_rate_within_cvs_flag" );                hrd->setFixedPicRateWithinCvsFlag( i, uiCode == 1 ? true : false  );
1789    }
1790    else
1791    {
1792      hrd->setFixedPicRateWithinCvsFlag( i, true );
1793    }
1794    hrd->setLowDelayHrdFlag( i, 0 ); // Infered to be 0 when not present
1795    hrd->setCpbCntMinus1   ( i, 0 ); // Infered to be 0 when not present
1796    if( hrd->getFixedPicRateWithinCvsFlag( i ) )
1797    {
1798      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "elemental_duration_in_tc_minus1" );             hrd->setPicDurationInTcMinus1( i, uiCode );
1799    }
1800    else
1801    {
1802      sei_read_flag( pDecodedMessageOutputStream, uiCode, "low_delay_hrd_flag" );                      hrd->setLowDelayHrdFlag( i, uiCode == 1 ? true : false  );
1803    }
1804    if (!hrd->getLowDelayHrdFlag( i ))
1805    {
1806      sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_cnt_minus1" );                          hrd->setCpbCntMinus1( i, uiCode );
1807    }
1808    for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
1809    {
1810      if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
1811          ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
1812      {
1813        for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ )
1814        {
1815          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bit_rate_value_minus1" );             hrd->setBitRateValueMinus1( i, j, nalOrVcl, uiCode );
1816          sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_size_value_minus1" );             hrd->setCpbSizeValueMinus1( i, j, nalOrVcl, uiCode );
1817          if( hrd->getSubPicCpbParamsPresentFlag() )
1818          {
1819            sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "cpb_size_du_value_minus1" );       hrd->setDuCpbSizeValueMinus1( i, j, nalOrVcl, uiCode );
1820            sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "bit_rate_du_value_minus1" );       hrd->setDuBitRateValueMinus1( i, j, nalOrVcl, uiCode );
1821          }
1822           sei_read_flag( pDecodedMessageOutputStream, uiCode, "cbr_flag" );                          hrd->setCbrFlag( i, j, nalOrVcl, uiCode == 1 ? true : false  );
1823        }
1824      }
1825    }
1826  }
1827}
1828#endif
1829
1830#if Q0078_ADD_LAYER_SETS
1831
1832#if LAYERS_NOT_PRESENT_SEI
1833Void SEIReader::xParseSEIOutputLayerSetNesting(SEIOutputLayerSetNesting& sei, const NalUnitType nalUnitType, TComVPS *vps, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
1834#else
1835Void SEIReader::xParseSEIOutputLayerSetNesting(SEIOutputLayerSetNesting& sei, const NalUnitType nalUnitType, TComSPS *sps, std::ostream *pDecodedMessageOutputStream)
1836#endif
1837{
1838  UInt uiCode;
1839  SEIMessages seis;
1840
1841  sei_read_flag( pDecodedMessageOutputStream, uiCode, "ols_flag"); sei.m_olsFlag = uiCode;
1842  sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "num_ols_indices_minus1"); sei.m_numOlsIndicesMinus1 = uiCode;
1843
1844  for (Int i = 0; i <= sei.m_numOlsIndicesMinus1; i++)
1845  {
1846    sei_read_uvlc( pDecodedMessageOutputStream, uiCode, "ols_idx[i]"); sei.m_olsIdx[i] = uiCode;
1847  }
1848
1849  // byte alignment
1850  while (m_pcBitstream->getNumBitsRead() % 8 != 0)
1851  {
1852    UInt code;
1853    sei_read_flag( pDecodedMessageOutputStream, code, "ols_nesting_zero_bit");
1854  }
1855
1856  sei.m_callerOwnsSEIs = false;
1857
1858  // read nested SEI messages
1859  do {
1860#if O0164_MULTI_LAYER_HRD
1861#if LAYERS_NOT_PRESENT_SEI
1862    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream);
1863#else
1864    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream);
1865#endif
1866#else
1867#if LAYERS_NOT_PRESENT_SEI
1868    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, vps, sps, pDecodedMessageOutputStream);
1869#else
1870    xReadSEImessage(sei.m_nestedSEIs, nalUnitType, sps, pDecodedMessageOutputStream);
1871#endif
1872#endif
1873  } while (m_pcBitstream->getNumBitsLeft() > 8);
1874
1875}
1876
1877Void SEIReader::xParseSEIVPSRewriting(SEIVPSRewriting &sei, std::ostream *pDecodedMessageOutputStream )
1878{
1879}
1880
1881#endif
1882
1883#if P0123_ALPHA_CHANNEL_SEI
1884void SEIReader::xParseSEIAlphaChannelInfo(SEIAlphaChannelInfo &sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
1885{
1886  UInt value;
1887  sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_cancel_flag"); sei.m_alphaChannelCancelFlag = value;
1888  if(!sei.m_alphaChannelCancelFlag)
1889  {
1890    sei_read_code(pDecodedMessageOutputStream, 3, value, "alpha_channel_use_idc");          sei.m_alphaChannelUseIdc = value;
1891    sei_read_code(pDecodedMessageOutputStream, 3, value, "alpha_channel_bit_depth_minus8"); sei.m_alphaChannelBitDepthMinus8 = value;
1892    sei_read_code(pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8 + 9, value, "alpha_transparent_value"); sei.m_alphaTransparentValue = value;
1893    sei_read_code(pDecodedMessageOutputStream, sei.m_alphaChannelBitDepthMinus8 + 9, value, "alpha_opaque_value"); sei.m_alphaOpaqueValue = value;
1894    sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_incr_flag");        sei.m_alphaChannelIncrFlag = value;
1895    sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_clip_flag");        sei.m_alphaChannelClipFlag = value;
1896    if(sei.m_alphaChannelClipFlag)
1897    {
1898      sei_read_flag(pDecodedMessageOutputStream, value, "alpha_channel_clip_type_flag"); sei.m_alphaChannelClipTypeFlag = value;
1899    }
1900  } 
1901}
1902#endif
1903
1904#if Q0096_OVERLAY_SEI
1905Void SEIReader::xParseSEIOverlayInfo(SEIOverlayInfo& sei, UInt /*payloadSize*/, std::ostream *pDecodedMessageOutputStream)
1906{
1907  Int i, j;
1908  UInt val;
1909  sei_read_flag( pDecodedMessageOutputStream, val, "overlay_info_cancel_flag" );                 sei.m_overlayInfoCancelFlag = val;
1910  if ( !sei.m_overlayInfoCancelFlag )
1911  {
1912    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_content_aux_id_minus128" );            sei.m_overlayContentAuxIdMinus128 = val;
1913    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_label_aux_id_minus128" );              sei.m_overlayLabelAuxIdMinus128 = val;
1914    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_alpha_aux_id_minus128" );              sei.m_overlayAlphaAuxIdMinus128 = val;
1915    sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_element_label_value_length_minus8" );  sei.m_overlayElementLabelValueLengthMinus8 = val;
1916    sei_read_uvlc( pDecodedMessageOutputStream, val, "num_overlays_minus1" );                        sei.m_numOverlaysMinus1 = val;
1917
1918    assert( sei.m_numOverlaysMinus1 < MAX_OVERLAYS );
1919    sei.m_overlayIdx.resize( sei.m_numOverlaysMinus1+1 );
1920    sei.m_languageOverlayPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1921    sei.m_overlayContentLayerId.resize( sei.m_numOverlaysMinus1+1 );
1922    sei.m_overlayLabelPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1923    sei.m_overlayLabelLayerId.resize( sei.m_numOverlaysMinus1+1 );
1924    sei.m_overlayAlphaPresentFlag.resize( sei.m_numOverlaysMinus1+1 );
1925    sei.m_overlayAlphaLayerId.resize( sei.m_numOverlaysMinus1+1 );
1926    sei.m_numOverlayElementsMinus1.resize( sei.m_numOverlaysMinus1+1 );
1927    sei.m_overlayElementLabelMin.resize( sei.m_numOverlaysMinus1+1 );
1928    sei.m_overlayElementLabelMax.resize( sei.m_numOverlaysMinus1+1 );
1929    for ( i=0 ; i<=sei.m_numOverlaysMinus1 ; i++ )
1930    {
1931      sei_read_uvlc( pDecodedMessageOutputStream, val, "overlay_idx" );                      sei.m_overlayIdx[i] = val;
1932      sei_read_flag( pDecodedMessageOutputStream, val, "language_overlay_present_flag" );    sei.m_languageOverlayPresentFlag[i] = val;
1933      sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_content_layer_id");       sei.m_overlayContentLayerId[i] = val;
1934      sei_read_flag( pDecodedMessageOutputStream, val, "overlay_label_present_flag" );       sei.m_overlayLabelPresentFlag[i] = val;
1935      if ( sei.m_overlayLabelPresentFlag[i] )
1936      {
1937        sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_label_layer_id");     sei.m_overlayLabelLayerId[i] = val;
1938      }
1939      sei_read_flag( pDecodedMessageOutputStream, val, "overlay_alpha_present_flag" );       sei.m_overlayAlphaPresentFlag[i] = val;
1940      if ( sei.m_overlayAlphaPresentFlag[i] )
1941      {
1942        sei_read_code( pDecodedMessageOutputStream, 6, val, "overlay_alpha_layer_id");     sei.m_overlayAlphaLayerId[i] = val;
1943      }
1944      if ( sei.m_overlayLabelPresentFlag[i] )
1945      {
1946        sei_read_uvlc( pDecodedMessageOutputStream, val, "num_overlay_elements_minus1");   sei.m_numOverlayElementsMinus1[i] = val;
1947        assert( sei.m_numOverlayElementsMinus1[i] < MAX_OVERLAY_ELEMENTS );
1948        sei.m_overlayElementLabelMin[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1949        sei.m_overlayElementLabelMax[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1950        for ( j=0 ; j<=sei.m_numOverlayElementsMinus1[i] ; j++ )
1951        {
1952          sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, val, "overlay_element_label_min"); sei.m_overlayElementLabelMin[i][j] = val;
1953          sei_read_code( pDecodedMessageOutputStream, sei.m_overlayElementLabelValueLengthMinus8 + 8, val, "overlay_element_label_max"); sei.m_overlayElementLabelMax[i][j] = val;
1954        }     
1955      }
1956      else
1957      {
1958        sei.m_numOverlayElementsMinus1[i] = 0;
1959      }
1960    }
1961
1962    // byte alignment
1963    while ( m_pcBitstream->getNumBitsRead() % 8 != 0 )
1964    {
1965      sei_read_flag( pDecodedMessageOutputStream, val, "overlay_zero_bit" );
1966      assert( val==0 );
1967    }
1968
1969    UChar* sval = new UChar[MAX_OVERLAY_STRING_BYTES];
1970    UInt slen;   
1971    sei.m_overlayLanguage.resize( sei.m_numOverlaysMinus1+1, NULL );
1972    sei.m_overlayLanguageLength.resize( sei.m_numOverlaysMinus1+1 );
1973    sei.m_overlayName.resize( sei.m_numOverlaysMinus1+1, NULL );
1974    sei.m_overlayNameLength.resize( sei.m_numOverlaysMinus1+1 );
1975    sei.m_overlayElementName.resize( sei.m_numOverlaysMinus1+1 );
1976    sei.m_overlayElementNameLength.resize( sei.m_numOverlaysMinus1+1 );
1977    for ( i=0 ; i<=sei.m_numOverlaysMinus1 ; i++ )
1978    {
1979      if ( sei.m_languageOverlayPresentFlag[i] )
1980      {
1981        READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_language" );
1982        sei.m_overlayLanguage[i] = new UChar[slen];
1983        memcpy(sei.m_overlayLanguage[i], sval, slen);
1984        sei.m_overlayLanguageLength[i] = slen;
1985      }
1986      READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_name" );
1987      sei.m_overlayName[i] = new UChar[slen];
1988      memcpy(sei.m_overlayName[i], sval, slen);
1989      sei.m_overlayNameLength[i] = slen;
1990      if ( sei.m_overlayLabelPresentFlag[i] )
1991      {
1992        sei.m_overlayElementName[i].resize( sei.m_numOverlayElementsMinus1[i]+1, NULL );
1993        sei.m_overlayElementNameLength[i].resize( sei.m_numOverlayElementsMinus1[i]+1 );
1994        for ( j=0 ; j<=sei.m_numOverlayElementsMinus1[i] ; j++)
1995        {
1996          READ_STRING( MAX_OVERLAY_STRING_BYTES, sval, slen, "overlay_element_name" );
1997          sei.m_overlayElementName[i][j] = new UChar[slen];
1998          memcpy(sei.m_overlayElementName[i][j], sval, slen);
1999          sei.m_overlayElementNameLength[i][j] = slen;
2000        }
2001      }
2002    }
2003    sei_read_flag( pDecodedMessageOutputStream, val, "overlay_info_persistence_flag" );        sei.m_overlayInfoPersistenceFlag = val;
2004  } 
2005}
2006#endif
2007
2008#if P0138_USE_ALT_CPB_PARAMS_FLAG
2009/**
2010 * Check if SEI message contains payload extension
2011 */
2012Bool SEIReader::xPayloadExtensionPresent()
2013{
2014  Int payloadBitsRemaining = getBitstream()->getNumBitsLeft();
2015  Bool payloadExtensionPresent = false;
2016
2017  if (payloadBitsRemaining > 8)
2018  {
2019    payloadExtensionPresent = true;
2020  }
2021  else
2022  {
2023    Int finalBits = getBitstream()->peekBits(payloadBitsRemaining);
2024    while (payloadBitsRemaining && (finalBits & 1) == 0)
2025    {
2026      payloadBitsRemaining--;
2027      finalBits >>= 1;
2028    }
2029    payloadBitsRemaining--;
2030    if (payloadBitsRemaining > 0)
2031    {
2032      payloadExtensionPresent = true;
2033    }
2034  }
2035
2036  return payloadExtensionPresent;
2037}
2038#endif
2039
2040#if Q0189_TMVP_CONSTRAINTS
2041Void SEIReader::xParseSEITMVPConstraints   (SEITMVPConstrains& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
2042{
2043  UInt uiCode;
2044  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "prev_pics_not_used_flag"              ); sei.prev_pics_not_used_flag = uiCode;
2045  sei_read_uvlc( pDecodedMessageOutputStream, uiCode,           "no_intra_layer_col_pic_flag"          ); sei.no_intra_layer_col_pic_flag = uiCode;
2046}
2047#endif
2048
2049#if Q0247_FRAME_FIELD_INFO
2050Void SEIReader::xParseSEIFrameFieldInfo    (SEIFrameFieldInfo& sei, UInt payloadSize, std::ostream *pDecodedMessageOutputStream)
2051{
2052  UInt code;
2053  sei_read_code( pDecodedMessageOutputStream, 4, code, "ffinfo_pic_struct"       );       sei.m_ffinfo_picStruct      = code;
2054  sei_read_code( pDecodedMessageOutputStream, 2, code, "ffinfo_source_scan_type" );       sei.m_ffinfo_sourceScanType = code;
2055  sei_read_flag( pDecodedMessageOutputStream,    code, "ffinfo_duplicate_flag"   );       sei.m_ffinfo_duplicateFlag  = ( code == 1 ? true : false );
2056}
2057#endif
2058
2059
2060#endif //SVC_EXTENSION
2061
2062//! \}
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