source: 3DVCSoftware/tags/HTM-DEV-0.1/source/Lib/TLibDecoder/TDecGop.cpp

Last change on this file was 324, checked in by tech, 11 years ago

Initial development version for update to latest HM version.
Includes MV-HEVC and basic extensions for 3D-HEVC.

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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
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4 * granted under this license. 
5 *
6 * Copyright (c) 2010-2013, ITU/ISO/IEC
7 * All rights reserved.
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10 * modification, are permitted provided that the following conditions are met:
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18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
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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/** \file     TDecGop.cpp
35    \brief    GOP decoder class
36*/
37
38#include "TDecGop.h"
39#include "TDecCAVLC.h"
40#include "TDecSbac.h"
41#include "TDecBinCoder.h"
42#include "TDecBinCoderCABAC.h"
43#include "libmd5/MD5.h"
44#include "TLibCommon/SEI.h"
45
46#include <time.h>
47
48extern Bool g_md5_mismatch; ///< top level flag to signal when there is a decode problem
49
50//! \ingroup TLibDecoder
51//! \{
52static void calcAndPrintHashStatus(TComPicYuv& pic, const SEIDecodedPictureHash* pictureHashSEI);
53// ====================================================================================================================
54// Constructor / destructor / initialization / destroy
55// ====================================================================================================================
56
57TDecGop::TDecGop()
58{
59  m_dDecTime = 0;
60  m_pcSbacDecoders = NULL;
61  m_pcBinCABACs = NULL;
62}
63
64TDecGop::~TDecGop()
65{
66 
67}
68
69Void TDecGop::create()
70{
71 
72}
73
74
75Void TDecGop::destroy()
76{
77}
78
79Void TDecGop::init( TDecEntropy*            pcEntropyDecoder, 
80                   TDecSbac*               pcSbacDecoder, 
81                   TDecBinCABAC*           pcBinCABAC,
82                   TDecCavlc*              pcCavlcDecoder, 
83                   TDecSlice*              pcSliceDecoder, 
84                   TComLoopFilter*         pcLoopFilter,
85                   TComSampleAdaptiveOffset* pcSAO
86                   )
87{
88  m_pcEntropyDecoder      = pcEntropyDecoder;
89  m_pcSbacDecoder         = pcSbacDecoder;
90  m_pcBinCABAC            = pcBinCABAC;
91  m_pcCavlcDecoder        = pcCavlcDecoder;
92  m_pcSliceDecoder        = pcSliceDecoder;
93  m_pcLoopFilter          = pcLoopFilter;
94  m_pcSAO  = pcSAO;
95}
96
97
98// ====================================================================================================================
99// Private member functions
100// ====================================================================================================================
101// ====================================================================================================================
102// Public member functions
103// ====================================================================================================================
104
105Void TDecGop::decompressSlice(TComInputBitstream* pcBitstream, TComPic*& rpcPic)
106{
107  TComSlice*  pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx());
108  // Table of extracted substreams.
109  // These must be deallocated AND their internal fifos, too.
110  TComInputBitstream **ppcSubstreams = NULL;
111
112  //-- For time output for each slice
113  long iBeforeTime = clock();
114 
115  UInt uiStartCUAddr   = pcSlice->getSliceSegmentCurStartCUAddr();
116
117  UInt uiSliceStartCuAddr = pcSlice->getSliceCurStartCUAddr();
118  if(uiSliceStartCuAddr == uiStartCUAddr)
119  {
120    m_sliceStartCUAddress.push_back(uiSliceStartCuAddr);
121  }
122
123  m_pcSbacDecoder->init( (TDecBinIf*)m_pcBinCABAC );
124  m_pcEntropyDecoder->setEntropyDecoder (m_pcSbacDecoder);
125
126  UInt uiNumSubstreams = pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag() ? pcSlice->getNumEntryPointOffsets()+1 : pcSlice->getPPS()->getNumSubstreams();
127
128  // init each couple {EntropyDecoder, Substream}
129  UInt *puiSubstreamSizes = pcSlice->getSubstreamSizes();
130  ppcSubstreams    = new TComInputBitstream*[uiNumSubstreams];
131  m_pcSbacDecoders = new TDecSbac[uiNumSubstreams];
132  m_pcBinCABACs    = new TDecBinCABAC[uiNumSubstreams];
133  for ( UInt ui = 0 ; ui < uiNumSubstreams ; ui++ )
134  {
135    m_pcSbacDecoders[ui].init(&m_pcBinCABACs[ui]);
136    ppcSubstreams[ui] = pcBitstream->extractSubstream(ui+1 < uiNumSubstreams ? puiSubstreamSizes[ui] : pcBitstream->getNumBitsLeft());
137  }
138
139  for ( UInt ui = 0 ; ui+1 < uiNumSubstreams; ui++ )
140  {
141    m_pcEntropyDecoder->setEntropyDecoder ( &m_pcSbacDecoders[uiNumSubstreams - 1 - ui] );
142    m_pcEntropyDecoder->setBitstream      (  ppcSubstreams   [uiNumSubstreams - 1 - ui] );
143    m_pcEntropyDecoder->resetEntropy      (pcSlice);
144  }
145
146  m_pcEntropyDecoder->setEntropyDecoder ( m_pcSbacDecoder  );
147  m_pcEntropyDecoder->setBitstream      ( ppcSubstreams[0] );
148  m_pcEntropyDecoder->resetEntropy      (pcSlice);
149
150  if(uiSliceStartCuAddr == uiStartCUAddr)
151  {
152    m_LFCrossSliceBoundaryFlag.push_back( pcSlice->getLFCrossSliceBoundaryFlag());
153  }
154  m_pcSbacDecoders[0].load(m_pcSbacDecoder);
155  m_pcSliceDecoder->decompressSlice( ppcSubstreams, rpcPic, m_pcSbacDecoder, m_pcSbacDecoders);
156  m_pcEntropyDecoder->setBitstream(  ppcSubstreams[uiNumSubstreams-1] );
157  // deallocate all created substreams, including internal buffers.
158  for (UInt ui = 0; ui < uiNumSubstreams; ui++)
159  {
160    ppcSubstreams[ui]->deleteFifo();
161    delete ppcSubstreams[ui];
162  }
163  delete[] ppcSubstreams;
164  delete[] m_pcSbacDecoders; m_pcSbacDecoders = NULL;
165  delete[] m_pcBinCABACs; m_pcBinCABACs = NULL;
166
167  m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC;
168}
169
170Void TDecGop::filterPicture(TComPic*& rpcPic)
171{
172  TComSlice*  pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx());
173
174  //-- For time output for each slice
175  long iBeforeTime = clock();
176
177  // deblocking filter
178  Bool bLFCrossTileBoundary = pcSlice->getPPS()->getLoopFilterAcrossTilesEnabledFlag();
179  m_pcLoopFilter->setCfg(bLFCrossTileBoundary);
180  m_pcLoopFilter->loopFilterPic( rpcPic );
181
182  if(pcSlice->getSPS()->getUseSAO())
183  {
184    m_sliceStartCUAddress.push_back(rpcPic->getNumCUsInFrame()* rpcPic->getNumPartInCU());
185    rpcPic->createNonDBFilterInfo(m_sliceStartCUAddress, 0, &m_LFCrossSliceBoundaryFlag, rpcPic->getPicSym()->getNumTiles(), bLFCrossTileBoundary);
186  }
187
188  if( pcSlice->getSPS()->getUseSAO() )
189  {
190    {
191      SAOParam *saoParam = rpcPic->getPicSym()->getSaoParam();
192      saoParam->bSaoFlag[0] = pcSlice->getSaoEnabledFlag();
193      saoParam->bSaoFlag[1] = pcSlice->getSaoEnabledFlagChroma();
194      m_pcSAO->setSaoLcuBasedOptimization(1);
195      m_pcSAO->createPicSaoInfo(rpcPic);
196      m_pcSAO->SAOProcess(saoParam);
197      m_pcSAO->PCMLFDisableProcess(rpcPic);
198      m_pcSAO->destroyPicSaoInfo();
199    }
200  }
201
202  if(pcSlice->getSPS()->getUseSAO())
203  {
204    rpcPic->destroyNonDBFilterInfo();
205  }
206
207#if !H_3D
208  rpcPic->compressMotion(); 
209#endif
210
211  Char c = (pcSlice->isIntra() ? 'I' : pcSlice->isInterP() ? 'P' : 'B');
212  if (!pcSlice->isReferenced()) c += 32;
213
214  //-- For time output for each slice
215
216#if H_MV
217  printf("\nLayer %2d   POC %4d TId: %1d ( %c-SLICE, QP%3d ) ", pcSlice->getLayerId(),
218                                                              pcSlice->getPOC(),
219                                                              pcSlice->getTLayer(),
220                                                              c,
221                                                              pcSlice->getSliceQp() );
222#else
223  printf("\nPOC %4d TId: %1d ( %c-SLICE, QP%3d ) ", pcSlice->getPOC(),
224                                                    pcSlice->getTLayer(),
225                                                    c,
226                                                    pcSlice->getSliceQp() );
227#endif
228
229  m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC;
230  printf ("[DT %6.3f] ", m_dDecTime );
231  m_dDecTime  = 0;
232
233  for (Int iRefList = 0; iRefList < 2; iRefList++)
234  {
235    printf ("[L%d ", iRefList);
236    for (Int iRefIndex = 0; iRefIndex < pcSlice->getNumRefIdx(RefPicList(iRefList)); iRefIndex++)
237    {
238#if H_MV
239      if( pcSlice->getLayerId() != pcSlice->getRefLayerId( RefPicList(iRefList), iRefIndex ) )
240      {
241        printf( "V%d ", pcSlice->getRefLayerId( RefPicList(iRefList), iRefIndex ) );
242      }
243      else
244      {
245#endif
246      printf ("%d ", pcSlice->getRefPOC(RefPicList(iRefList), iRefIndex));
247#if H_MV
248      }
249#endif
250    }
251    printf ("] ");
252  }
253  if (m_decodedPictureHashSEIEnabled)
254  {
255    SEIMessages pictureHashes = getSeisByType(rpcPic->getSEIs(), SEI::DECODED_PICTURE_HASH );
256    const SEIDecodedPictureHash *hash = ( pictureHashes.size() > 0 ) ? (SEIDecodedPictureHash*) *(pictureHashes.begin()) : NULL;
257    if (pictureHashes.size() > 1)
258    {
259      printf ("Warning: Got multiple decoded picture hash SEI messages. Using first.");
260    }
261    calcAndPrintHashStatus(*rpcPic->getPicYuvRec(), hash);
262  }
263
264  rpcPic->setOutputMark(true);
265  rpcPic->setReconMark(true);
266  m_sliceStartCUAddress.clear();
267  m_LFCrossSliceBoundaryFlag.clear();
268}
269
270/**
271 * Calculate and print hash for pic, compare to picture_digest SEI if
272 * present in seis.  seis may be NULL.  Hash is printed to stdout, in
273 * a manner suitable for the status line. Theformat is:
274 *  [Hash_type:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,(yyy)]
275 * Where, x..x is the hash
276 *        yyy has the following meanings:
277 *            OK          - calculated hash matches the SEI message
278 *            ***ERROR*** - calculated hash does not match the SEI message
279 *            unk         - no SEI message was available for comparison
280 */
281static void calcAndPrintHashStatus(TComPicYuv& pic, const SEIDecodedPictureHash* pictureHashSEI)
282{
283  /* calculate MD5sum for entire reconstructed picture */
284  UChar recon_digest[3][16];
285  Int numChar=0;
286  const Char* hashType = "\0";
287
288  if (pictureHashSEI)
289  {
290    switch (pictureHashSEI->method)
291    {
292    case SEIDecodedPictureHash::MD5:
293      {
294        hashType = "MD5";
295        calcMD5(pic, recon_digest);
296        numChar = 16;
297        break;
298      }
299    case SEIDecodedPictureHash::CRC:
300      {
301        hashType = "CRC";
302        calcCRC(pic, recon_digest);
303        numChar = 2;
304        break;
305      }
306    case SEIDecodedPictureHash::CHECKSUM:
307      {
308        hashType = "Checksum";
309        calcChecksum(pic, recon_digest);
310        numChar = 4;
311        break;
312      }
313    default:
314      {
315        assert (!"unknown hash type");
316      }
317    }
318  }
319
320  /* compare digest against received version */
321  const Char* ok = "(unk)";
322  Bool mismatch = false;
323
324  if (pictureHashSEI)
325  {
326    ok = "(OK)";
327    for(Int yuvIdx = 0; yuvIdx < 3; yuvIdx++)
328    {
329      for (UInt i = 0; i < numChar; i++)
330      {
331        if (recon_digest[yuvIdx][i] != pictureHashSEI->digest[yuvIdx][i])
332        {
333          ok = "(***ERROR***)";
334          mismatch = true;
335        }
336      }
337    }
338  }
339
340  printf("[%s:%s,%s] ", hashType, digestToString(recon_digest, numChar), ok);
341
342  if (mismatch)
343  {
344    g_md5_mismatch = true;
345    printf("[rx%s:%s] ", hashType, digestToString(pictureHashSEI->digest, numChar));
346  }
347}
348//! \}
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