source: 3DVCSoftware/branches/HTM-DEV-0.3-dev1/source/App/TAppDecoder/TAppDecTop.cpp @ 1417

Last change on this file since 1417 was 473, checked in by tech, 12 years ago

Included fixes for memory leaks and gcc-4.6.3 compiler warnings.

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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) 2010-2013, 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/** \file     TAppDecTop.cpp
35    \brief    Decoder application class
36*/
37
38#include <list>
39#include <vector>
40#include <stdio.h>
41#include <fcntl.h>
42#include <assert.h>
43
44#include "TAppDecTop.h"
45#include "TLibDecoder/AnnexBread.h"
46#include "TLibDecoder/NALread.h"
47
48//! \ingroup TAppDecoder
49//! \{
50
51// ====================================================================================================================
52// Constructor / destructor / initialization / destroy
53// ====================================================================================================================
54
55TAppDecTop::TAppDecTop()
56#if !H_MV
57: m_iPOCLastDisplay(-MAX_INT)
58#else
59: m_numDecoders( 0 )
60#endif
61{
62  ::memset (m_abDecFlag, 0, sizeof (m_abDecFlag));
63#if H_MV
64  for (Int i = 0; i < MAX_NUM_LAYER_IDS; i++) m_layerIdToDecIdx[i] = -1; 
65#endif
66#if H_3D
67    m_pScaleOffsetFile  = 0;
68#endif
69}
70
71Void TAppDecTop::create()
72{
73}
74
75Void TAppDecTop::destroy()
76{
77  if (m_pchBitstreamFile)
78  {
79    free (m_pchBitstreamFile);
80    m_pchBitstreamFile = NULL;
81  }
82#if H_MV
83  for (Int decIdx = 0; decIdx < m_numDecoders; decIdx++)
84  {
85    if (m_pchReconFiles[decIdx])
86    {
87      free (m_pchReconFiles[decIdx]);
88      m_pchReconFiles[decIdx] = NULL;
89    }
90  }
91#endif
92  if (m_pchReconFile)
93  {
94    free (m_pchReconFile);
95    m_pchReconFile = NULL;
96  }
97#if H_3D_FIX
98  if (m_pchScaleOffsetFile)
99  {
100    free (m_pchScaleOffsetFile);
101    m_pchScaleOffsetFile = NULL; 
102  }
103#endif
104}
105
106// ====================================================================================================================
107// Public member functions
108// ====================================================================================================================
109
110/**
111 - create internal class
112 - initialize internal class
113 - until the end of the bitstream, call decoding function in TDecTop class
114 - delete allocated buffers
115 - destroy internal class
116 .
117 */
118Void TAppDecTop::decode()
119{
120  Int                 poc;
121#if H_MV
122  poc = -1; 
123#endif
124  TComList<TComPic*>* pcListPic = NULL;
125
126  ifstream bitstreamFile(m_pchBitstreamFile, ifstream::in | ifstream::binary);
127  if (!bitstreamFile)
128  {
129    fprintf(stderr, "\nfailed to open bitstream file `%s' for reading\n", m_pchBitstreamFile);
130    exit(EXIT_FAILURE);
131  }
132
133#if H_3D
134  if( m_pchScaleOffsetFile ) 
135  { 
136    m_pScaleOffsetFile = ::fopen( m_pchScaleOffsetFile, "wt" ); 
137    AOF( m_pScaleOffsetFile ); 
138  }
139  m_cCamParsCollector.init( m_pScaleOffsetFile );
140#endif
141  InputByteStream bytestream(bitstreamFile);
142
143  // create & initialize internal classes
144  xCreateDecLib();
145  xInitDecLib  ();
146#if !H_MV
147  m_iPOCLastDisplay += m_iSkipFrame;      // set the last displayed POC correctly for skip forward.
148
149  // main decoder loop
150  Bool recon_opened = false; // reconstruction file not yet opened. (must be performed after SPS is seen)
151#else
152  Int  pocCurrPic        = -MAX_INT;     
153  Int  pocLastPic        = -MAX_INT;   
154 
155  Int  layerIdCurrPic    = 0; 
156
157  Int  decIdxLastPic     = 0; 
158  Int  decIdxCurrPic     = 0; 
159
160  Bool firstSlice        = true; 
161#endif
162 
163  while (!!bitstreamFile)
164  {
165    /* location serves to work around a design fault in the decoder, whereby
166     * the process of reading a new slice that is the first slice of a new frame
167     * requires the TDecTop::decode() method to be called again with the same
168     * nal unit. */
169    streampos location = bitstreamFile.tellg();
170#if H_MV
171#if ENC_DEC_TRACE
172    Int64 symCount = g_nSymbolCounter;
173#endif
174#endif
175    AnnexBStats stats = AnnexBStats();
176#if !H_MV
177    Bool bPreviousPictureDecoded = false;
178#endif
179
180    vector<uint8_t> nalUnit;
181    InputNALUnit nalu;
182    byteStreamNALUnit(bytestream, nalUnit, stats);
183
184    // call actual decoding function
185    Bool bNewPicture = false;
186#if H_MV
187    Bool newSliceDiffPoc   = false;
188    Bool newSliceDiffLayer = false;
189    Bool allLayersDecoded  = false;     
190#endif
191    if (nalUnit.empty())
192    {
193      /* this can happen if the following occur:
194       *  - empty input file
195       *  - two back-to-back start_code_prefixes
196       *  - start_code_prefix immediately followed by EOF
197       */
198      fprintf(stderr, "Warning: Attempt to decode an empty NAL unit\n");
199    }
200    else
201    {
202      read(nalu, nalUnit);
203#if H_MV     
204      Int decIdx     = xGetDecoderIdx( nalu.m_layerId , true );
205     
206      if( (m_iMaxTemporalLayer >= 0 && nalu.m_temporalId > m_iMaxTemporalLayer) || !isNaluWithinTargetDecLayerIdSet(&nalu) )
207      {
208        bNewPicture = false;
209      }
210      else
211      { 
212        newSliceDiffLayer = nalu.isSlice() && ( nalu.m_layerId != layerIdCurrPic ) && !firstSlice;
213        newSliceDiffPoc   = m_tDecTop[decIdx]->decode(nalu, m_iSkipFrame, m_pocLastDisplay[decIdx], newSliceDiffLayer );
214        // decode function only returns true when all of the following conditions are true
215        // - poc in particular layer changes
216        // - nalu does not belong to first slice in layer
217        // - nalu.isSlice() == true     
218
219        bNewPicture       = newSliceDiffLayer || newSliceDiffPoc; 
220
221        if ( nalu.isSlice() && firstSlice )
222        {
223          layerIdCurrPic = nalu.m_layerId; 
224          pocCurrPic     = m_tDecTop[decIdx]->getCurrPoc(); 
225          decIdxCurrPic  = decIdx; 
226          firstSlice     = false; 
227        }
228
229        if ( bNewPicture || !bitstreamFile )
230        { 
231          layerIdCurrPic    = nalu.m_layerId; 
232         
233          pocLastPic        = pocCurrPic; 
234          pocCurrPic        = m_tDecTop[decIdx]->getCurrPoc(); 
235         
236          decIdxLastPic     = decIdxCurrPic; 
237          decIdxCurrPic     = decIdx; 
238
239          allLayersDecoded = ( pocCurrPic != pocLastPic );
240        }
241
242       
243#else
244      if( (m_iMaxTemporalLayer >= 0 && nalu.m_temporalId > m_iMaxTemporalLayer) || !isNaluWithinTargetDecLayerIdSet(&nalu)  )
245      {
246        if(bPreviousPictureDecoded)
247        {
248          bNewPicture = true;
249          bPreviousPictureDecoded = false;
250        }
251        else
252        {
253          bNewPicture = false;
254        }
255      }
256      else
257      {
258        bNewPicture = m_cTDecTop.decode(nalu, m_iSkipFrame, m_iPOCLastDisplay);
259#endif
260        if (bNewPicture)
261        {
262          bitstreamFile.clear();
263          /* location points to the current nalunit payload[1] due to the
264           * need for the annexB parser to read three extra bytes.
265           * [1] except for the first NAL unit in the file
266           *     (but bNewPicture doesn't happen then) */
267          bitstreamFile.seekg(location-streamoff(3));
268          bytestream.reset();
269#if H_MV
270#if ENC_DEC_TRACE
271          g_nSymbolCounter = symCount;
272#endif
273#endif
274        }
275#if !H_MV
276        bPreviousPictureDecoded = true; 
277#endif
278      }
279    }
280    if (bNewPicture || !bitstreamFile)
281    {
282#if H_MV
283      assert( decIdxLastPic != -1 ); 
284      m_tDecTop[decIdxLastPic]->endPicDecoding(poc, pcListPic, m_targetDecLayerIdSet );
285#else
286      m_cTDecTop.executeLoopFilters(poc, pcListPic);
287#endif
288    }
289#if H_3D
290    if ( allLayersDecoded || !bitstreamFile )
291    {
292      for( Int dI = 0; dI < m_numDecoders; dI++ )
293      {
294        TComPic* picLastCoded = m_ivPicLists.getPic( m_tDecTop[dI]->getLayerId(), pocLastPic );
295        assert( picLastCoded != NULL );       
296        picLastCoded->compressMotion();         
297      }
298    }
299#endif
300
301    if( pcListPic )
302    {
303#if H_MV
304      if ( m_pchReconFiles[decIdxLastPic] && !m_reconOpen[decIdxLastPic] )
305#else
306      if ( m_pchReconFile && !recon_opened )
307#endif
308      {
309        if (!m_outputBitDepthY) { m_outputBitDepthY = g_bitDepthY; }
310        if (!m_outputBitDepthC) { m_outputBitDepthC = g_bitDepthC; }
311
312#if H_MV
313        m_tVideoIOYuvReconFile[decIdxLastPic]->open( m_pchReconFiles[decIdxLastPic], true, m_outputBitDepthY, m_outputBitDepthC, g_bitDepthY, g_bitDepthC ); // write mode
314        m_reconOpen[decIdxLastPic] = true;
315      }
316      if ( bNewPicture && newSliceDiffPoc && 
317#else
318        m_cTVideoIOYuvReconFile.open( m_pchReconFile, true, m_outputBitDepthY, m_outputBitDepthC, g_bitDepthY, g_bitDepthC ); // write mode
319        recon_opened = true;
320      }
321      if ( bNewPicture && 
322#endif
323           (   nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_W_RADL
324            || nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_N_LP
325            || nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_BLA_N_LP
326            || nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_BLA_W_RADL
327            || nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_BLA_W_LP ) )
328      {
329#if H_MV
330        xFlushOutput( pcListPic, decIdxLastPic );
331#else
332        xFlushOutput( pcListPic );
333#endif
334      }
335      // write reconstruction to file
336      if(bNewPicture)
337      {
338#if H_MV
339        xWriteOutput( pcListPic, decIdxLastPic, nalu.m_temporalId );
340      }
341    }
342  }
343
344#if H_3D
345  if( m_cCamParsCollector.isInitialized() )
346  {
347    m_cCamParsCollector.setSlice( 0 );
348  }
349#endif
350  for(UInt decIdx = 0; decIdx < m_numDecoders; decIdx++)
351  {
352    xFlushOutput( m_tDecTop[decIdx]->getListPic(), decIdx );
353  }
354#else
355        xWriteOutput( pcListPic, nalu.m_temporalId );
356      }
357    }
358  }
359 
360  xFlushOutput( pcListPic );
361  // delete buffers
362  m_cTDecTop.deletePicBuffer();
363#endif
364     
365  // destroy internal classes
366  xDestroyDecLib();
367}
368
369// ====================================================================================================================
370// Protected member functions
371// ====================================================================================================================
372
373Void TAppDecTop::xCreateDecLib()
374{
375#if H_MV
376  // initialize global variables
377  initROM(); 
378#if H_3D_DIM_DMM
379  initWedgeLists();
380#endif
381#else
382  // create decoder class
383  m_cTDecTop.create();
384#endif
385}
386
387Void TAppDecTop::xDestroyDecLib()
388{
389#if H_MV
390  // destroy ROM
391  destroyROM();
392
393  for(Int decIdx = 0; decIdx < m_numDecoders ; decIdx++)
394  {
395    if( m_tVideoIOYuvReconFile[decIdx] )
396    {
397      m_tVideoIOYuvReconFile[decIdx]->close();
398      delete m_tVideoIOYuvReconFile[decIdx]; 
399      m_tVideoIOYuvReconFile[decIdx] = NULL ;
400    }
401
402    if( m_tDecTop[decIdx] )
403    {
404      m_tDecTop[decIdx]->deletePicBuffer();
405      m_tDecTop[decIdx]->destroy() ;
406    }
407    delete m_tDecTop[decIdx] ; 
408    m_tDecTop[decIdx] = NULL ;
409  }
410#else
411  if ( m_pchReconFile )
412  {
413    m_cTVideoIOYuvReconFile. close();
414  }
415 
416  // destroy decoder class
417  m_cTDecTop.destroy();
418#endif
419#if H_3D
420  m_cCamParsCollector.uninit();
421  if( m_pScaleOffsetFile ) 
422  { 
423    ::fclose( m_pScaleOffsetFile ); 
424  }
425#endif
426}
427
428Void TAppDecTop::xInitDecLib()
429{
430#if !H_MV
431  // initialize decoder class
432  m_cTDecTop.init();
433  m_cTDecTop.setDecodedPictureHashSEIEnabled(m_decodedPictureHashSEIEnabled);
434#endif
435}
436
437/** \param pcListPic list of pictures to be written to file
438    \todo            DYN_REF_FREE should be revised
439 */
440#if H_MV
441Void TAppDecTop::xWriteOutput( TComList<TComPic*>* pcListPic, Int decIdx, Int tId )
442#else
443Void TAppDecTop::xWriteOutput( TComList<TComPic*>* pcListPic, UInt tId )
444#endif
445{
446  TComList<TComPic*>::iterator iterPic   = pcListPic->begin();
447  Int not_displayed = 0;
448
449  while (iterPic != pcListPic->end())
450  {
451    TComPic* pcPic = *(iterPic);
452#if H_MV
453    if(pcPic->getOutputMark() && pcPic->getPOC() > m_pocLastDisplay[decIdx])
454#else
455    if(pcPic->getOutputMark() && pcPic->getPOC() > m_iPOCLastDisplay)
456#endif
457    {
458       not_displayed++;
459    }
460    iterPic++;
461  }
462  iterPic   = pcListPic->begin();
463 
464  while (iterPic != pcListPic->end())
465  {
466    TComPic* pcPic = *(iterPic);
467   
468#if H_MV
469    if ( pcPic->getOutputMark() && (not_displayed >  pcPic->getNumReorderPics(tId) && pcPic->getPOC() > m_pocLastDisplay[decIdx]))
470#else
471    if ( pcPic->getOutputMark() && (not_displayed >  pcPic->getNumReorderPics(tId) && pcPic->getPOC() > m_iPOCLastDisplay))
472#endif
473    {
474      // write to file
475       not_displayed--;
476#if H_MV
477      if ( m_pchReconFiles[decIdx] )
478#else
479      if ( m_pchReconFile )
480#endif
481      {
482        const Window &conf = pcPic->getConformanceWindow();
483        const Window &defDisp = m_respectDefDispWindow ? pcPic->getDefDisplayWindow() : Window();
484#if H_MV
485        m_tVideoIOYuvReconFile[decIdx]->write( pcPic->getPicYuvRec(),
486#else
487        m_cTVideoIOYuvReconFile.write( pcPic->getPicYuvRec(),
488#endif
489                                       conf.getWindowLeftOffset() + defDisp.getWindowLeftOffset(),
490                                       conf.getWindowRightOffset() + defDisp.getWindowRightOffset(),
491                                       conf.getWindowTopOffset() + defDisp.getWindowTopOffset(),
492                                       conf.getWindowBottomOffset() + defDisp.getWindowBottomOffset() );
493      }
494     
495      // update POC of display order
496#if H_MV
497      m_pocLastDisplay[decIdx] = pcPic->getPOC();
498#else
499      m_iPOCLastDisplay = pcPic->getPOC();
500#endif
501     
502      // erase non-referenced picture in the reference picture list after display
503      if ( !pcPic->getSlice(0)->isReferenced() && pcPic->getReconMark() == true )
504      {
505#if !DYN_REF_FREE
506        pcPic->setReconMark(false);
507       
508        // mark it should be extended later
509        pcPic->getPicYuvRec()->setBorderExtension( false );
510       
511#else
512        pcPic->destroy();
513        pcListPic->erase( iterPic );
514        iterPic = pcListPic->begin(); // to the beginning, non-efficient way, have to be revised!
515        continue;
516#endif
517      }
518      pcPic->setOutputMark(false);
519    }
520   
521    iterPic++;
522  }
523}
524
525/** \param pcListPic list of pictures to be written to file
526    \todo            DYN_REF_FREE should be revised
527 */
528#if H_MV
529Void TAppDecTop::xFlushOutput( TComList<TComPic*>* pcListPic, Int decIdx )
530#else
531Void TAppDecTop::xFlushOutput( TComList<TComPic*>* pcListPic )
532#endif
533{
534  if(!pcListPic)
535  {
536    return;
537  } 
538  TComList<TComPic*>::iterator iterPic   = pcListPic->begin();
539
540  iterPic   = pcListPic->begin();
541 
542  while (iterPic != pcListPic->end())
543  {
544    TComPic* pcPic = *(iterPic);
545
546    if ( pcPic->getOutputMark() )
547    {
548      // write to file
549#if H_MV
550      if ( m_pchReconFiles[decIdx] )
551#else
552      if ( m_pchReconFile )
553#endif
554      {
555        const Window &conf = pcPic->getConformanceWindow();
556        const Window &defDisp = m_respectDefDispWindow ? pcPic->getDefDisplayWindow() : Window();
557#if H_MV
558        m_tVideoIOYuvReconFile[decIdx]->write( pcPic->getPicYuvRec(),
559#else
560        m_cTVideoIOYuvReconFile.write( pcPic->getPicYuvRec(),
561#endif
562                                       conf.getWindowLeftOffset() + defDisp.getWindowLeftOffset(),
563                                       conf.getWindowRightOffset() + defDisp.getWindowRightOffset(),
564                                       conf.getWindowTopOffset() + defDisp.getWindowTopOffset(),
565                                       conf.getWindowBottomOffset() + defDisp.getWindowBottomOffset() );
566      }
567     
568      // update POC of display order
569#if H_MV
570      m_pocLastDisplay[decIdx] = pcPic->getPOC();
571#else
572      m_iPOCLastDisplay = pcPic->getPOC();
573#endif
574     
575      // erase non-referenced picture in the reference picture list after display
576      if ( !pcPic->getSlice(0)->isReferenced() && pcPic->getReconMark() == true )
577      {
578#if !DYN_REF_FREE
579        pcPic->setReconMark(false);
580       
581        // mark it should be extended later
582        pcPic->getPicYuvRec()->setBorderExtension( false );
583       
584#else
585        pcPic->destroy();
586        pcListPic->erase( iterPic );
587        iterPic = pcListPic->begin(); // to the beginning, non-efficient way, have to be revised!
588        continue;
589#endif
590      }
591      pcPic->setOutputMark(false);
592    }
593#if !H_MV
594#if !DYN_REF_FREE
595    if(pcPic)
596    {
597      pcPic->destroy();
598      delete pcPic;
599      pcPic = NULL;
600    }
601#endif
602#endif
603    iterPic++;
604  }
605#if H_MV
606  m_pocLastDisplay[decIdx] = -MAX_INT;
607#else
608  pcListPic->clear();
609  m_iPOCLastDisplay = -MAX_INT;
610#endif
611}
612
613/** \param nalu Input nalu to check whether its LayerId is within targetDecLayerIdSet
614 */
615Bool TAppDecTop::isNaluWithinTargetDecLayerIdSet( InputNALUnit* nalu )
616{
617  if ( m_targetDecLayerIdSet.size() == 0 ) // By default, the set is empty, meaning all LayerIds are allowed
618  {
619    return true;
620  }
621  for (std::vector<Int>::iterator it = m_targetDecLayerIdSet.begin(); it != m_targetDecLayerIdSet.end(); it++)
622  {
623#if H_MV
624    if ( nalu->m_layerId == (*it) )
625#else
626    if ( nalu->m_reservedZero6Bits == (*it) )
627#endif
628    {
629      return true;
630    }
631  }
632  return false;
633}
634
635#if H_MV
636Int TAppDecTop::xGetDecoderIdx( Int layerId, Bool createFlag /*= false */ )
637{
638  Int decIdx = -1; 
639  if ( m_layerIdToDecIdx[ layerId ] != -1 ) 
640  {     
641    decIdx = m_layerIdToDecIdx[ layerId ]; 
642  }
643  else
644  {     
645    assert ( createFlag ); 
646    assert( m_numDecoders < MAX_NUM_LAYERS ); 
647
648    decIdx = m_numDecoders; 
649
650    // Init decoder
651    m_tDecTop[ decIdx ] =  new TDecTop;
652    m_tDecTop[ decIdx ]->create();
653    m_tDecTop[ decIdx ]->init( );
654    m_tDecTop[ decIdx ]->setLayerId( layerId );
655    m_tDecTop[ decIdx ]->setDecodedPictureHashSEIEnabled(m_decodedPictureHashSEIEnabled);
656    m_tDecTop[ decIdx ]->setIvPicLists( &m_ivPicLists ); 
657#if H_3D
658   m_tDecTop[ decIdx ]->setCamParsCollector( &m_cCamParsCollector );
659#endif
660
661    // append pic list of new decoder to PicLists
662    assert( m_ivPicLists.size() == m_numDecoders );
663    m_ivPicLists.push_back( m_tDecTop[ decIdx ]->getListPic() );
664
665    // create recon file related stuff     
666    Char* pchTempFilename = NULL;
667    if ( m_pchReconFile )
668    {     
669      Char buffer[4];     
670      sprintf(buffer,"_%i", layerId );
671      assert ( m_pchReconFile ); 
672      xAppendToFileNameEnd( m_pchReconFile , buffer, pchTempFilename );
673      assert( m_pchReconFiles.size() == m_numDecoders );
674    }
675
676    m_pchReconFiles.push_back( pchTempFilename );   
677
678    m_tVideoIOYuvReconFile[ decIdx ] = new TVideoIOYuv;
679    m_reconOpen           [ decIdx ] = false;
680
681    // set others
682    m_pocLastDisplay      [ decIdx ] = -MAX_INT;
683    m_layerIdToDecIdx     [ layerId ] = decIdx; 
684
685    m_numDecoders++; 
686  };
687  return decIdx;
688}
689#endif
690//! \}
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