source: 3DVCSoftware/trunk/source/App/TAppDecoder/TAppDecTop.cpp @ 608

Last change on this file since 608 was 608, checked in by tech, 11 years ago

Merged DEV-2.0-dev0@604.

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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
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#if H_3D
153  Int  pocCurrPic        = -MAX_INT;     
154  Int  pocLastPic        = -MAX_INT;   
155#endif
156
157  Int  layerIdCurrPic    = 0; 
158
159  Int  decIdxLastPic     = 0; 
160  Int  decIdxCurrPic     = 0; 
161
162  Bool firstSlice        = true; 
163#endif
164 
165  while (!!bitstreamFile)
166  {
167    /* location serves to work around a design fault in the decoder, whereby
168     * the process of reading a new slice that is the first slice of a new frame
169     * requires the TDecTop::decode() method to be called again with the same
170     * nal unit. */
171    streampos location = bitstreamFile.tellg();
172#if H_MV
173#if ENC_DEC_TRACE
174    Int64 symCount = g_nSymbolCounter;
175#endif
176#endif
177    AnnexBStats stats = AnnexBStats();
178#if !H_MV
179    Bool bPreviousPictureDecoded = false;
180#endif
181
182    vector<uint8_t> nalUnit;
183    InputNALUnit nalu;
184    byteStreamNALUnit(bytestream, nalUnit, stats);
185
186    // call actual decoding function
187    Bool bNewPicture = false;
188#if H_MV
189    Bool newSliceDiffPoc   = false;
190    Bool newSliceDiffLayer = false;
191#if H_3D
192    Bool allLayersDecoded  = false;     
193#endif
194#endif
195    if (nalUnit.empty())
196    {
197      /* this can happen if the following occur:
198       *  - empty input file
199       *  - two back-to-back start_code_prefixes
200       *  - start_code_prefix immediately followed by EOF
201       */
202      fprintf(stderr, "Warning: Attempt to decode an empty NAL unit\n");
203    }
204    else
205    {
206      read(nalu, nalUnit);
207#if H_MV     
208      Int decIdx     = xGetDecoderIdx( nalu.m_layerId , true );
209     
210      if( (m_iMaxTemporalLayer >= 0 && nalu.m_temporalId > m_iMaxTemporalLayer) || !isNaluWithinTargetDecLayerIdSet(&nalu) )
211      {
212        bNewPicture = false;
213      }
214      else
215      { 
216        newSliceDiffLayer = nalu.isSlice() && ( nalu.m_layerId != layerIdCurrPic ) && !firstSlice;
217        newSliceDiffPoc   = m_tDecTop[decIdx]->decode(nalu, m_iSkipFrame, m_pocLastDisplay[decIdx], newSliceDiffLayer );
218        // decode function only returns true when all of the following conditions are true
219        // - poc in particular layer changes
220        // - nalu does not belong to first slice in layer
221        // - nalu.isSlice() == true     
222
223        bNewPicture       = newSliceDiffLayer || newSliceDiffPoc; 
224
225        if ( nalu.isSlice() && firstSlice )
226        {
227          layerIdCurrPic = nalu.m_layerId; 
228#if H_3D
229          pocCurrPic     = m_tDecTop[decIdx]->getCurrPoc(); 
230#endif
231          decIdxCurrPic  = decIdx; 
232          firstSlice     = false; 
233        }
234
235        if ( bNewPicture || !bitstreamFile )
236        { 
237          layerIdCurrPic    = nalu.m_layerId; 
238#if H_3D         
239          pocLastPic        = pocCurrPic; 
240          pocCurrPic        = m_tDecTop[decIdx]->getCurrPoc(); 
241#endif         
242          decIdxLastPic     = decIdxCurrPic; 
243          decIdxCurrPic     = decIdx; 
244#if H_3D
245          allLayersDecoded = ( pocCurrPic != pocLastPic );
246#endif
247        }
248
249       
250#else
251      if( (m_iMaxTemporalLayer >= 0 && nalu.m_temporalId > m_iMaxTemporalLayer) || !isNaluWithinTargetDecLayerIdSet(&nalu)  )
252      {
253        if(bPreviousPictureDecoded)
254        {
255          bNewPicture = true;
256          bPreviousPictureDecoded = false;
257        }
258        else
259        {
260          bNewPicture = false;
261        }
262      }
263      else
264      {
265        bNewPicture = m_cTDecTop.decode(nalu, m_iSkipFrame, m_iPOCLastDisplay);
266#endif
267        if (bNewPicture)
268        {
269          bitstreamFile.clear();
270          /* location points to the current nalunit payload[1] due to the
271           * need for the annexB parser to read three extra bytes.
272           * [1] except for the first NAL unit in the file
273           *     (but bNewPicture doesn't happen then) */
274          bitstreamFile.seekg(location-streamoff(3));
275          bytestream.reset();
276#if ENC_DEC_TRACE
277#if H_MV_ENC_DEC_TRAC
278          const Bool resetCounter = false; 
279          if ( resetCounter )
280          {
281            g_nSymbolCounter  = symCount; // Only reset counter SH becomes traced twice
282          }
283          else
284          {
285            g_disableHLSTrace = true;     // Trancing of second parsing of SH is not carried out
286          }         
287#else
288          g_nSymbolCounter = symCount;
289#endif
290#endif
291        }
292#if !H_MV
293        bPreviousPictureDecoded = true; 
294#endif
295      }
296    }
297    if (bNewPicture || !bitstreamFile)
298    {
299#if H_MV
300      assert( decIdxLastPic != -1 ); 
301      m_tDecTop[decIdxLastPic]->endPicDecoding(poc, pcListPic, m_targetDecLayerIdSet );
302#else
303      m_cTDecTop.executeLoopFilters(poc, pcListPic);
304#endif
305    }
306#if H_3D
307    if ( allLayersDecoded || !bitstreamFile )
308    {
309      for( Int dI = 0; dI < m_numDecoders; dI++ )
310      {
311        TComPic* picLastCoded = m_ivPicLists.getPic( m_tDecTop[dI]->getLayerId(), pocLastPic );
312        assert( picLastCoded != NULL );       
313#if MTK_SONY_PROGRESSIVE_MV_COMPRESSION_E0170
314        picLastCoded->compressMotion(1);
315#else
316        picLastCoded->compressMotion();         
317#endif
318      }
319    }
320#endif
321
322    if( pcListPic )
323    {
324#if H_MV
325      if ( m_pchReconFiles[decIdxLastPic] && !m_reconOpen[decIdxLastPic] )
326#else
327      if ( m_pchReconFile && !recon_opened )
328#endif
329      {
330        if (!m_outputBitDepthY) { m_outputBitDepthY = g_bitDepthY; }
331        if (!m_outputBitDepthC) { m_outputBitDepthC = g_bitDepthC; }
332
333#if H_MV
334        m_tVideoIOYuvReconFile[decIdxLastPic]->open( m_pchReconFiles[decIdxLastPic], true, m_outputBitDepthY, m_outputBitDepthC, g_bitDepthY, g_bitDepthC ); // write mode
335        m_reconOpen[decIdxLastPic] = true;
336      }
337      if ( bNewPicture && newSliceDiffPoc && 
338#else
339        m_cTVideoIOYuvReconFile.open( m_pchReconFile, true, m_outputBitDepthY, m_outputBitDepthC, g_bitDepthY, g_bitDepthC ); // write mode
340        recon_opened = true;
341      }
342      if ( bNewPicture && 
343#endif
344           (   nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_W_RADL
345            || nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_IDR_N_LP
346            || nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_BLA_N_LP
347            || nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_BLA_W_RADL
348            || nalu.m_nalUnitType == NAL_UNIT_CODED_SLICE_BLA_W_LP ) )
349      {
350#if H_MV
351        xFlushOutput( pcListPic, decIdxLastPic );
352#else
353        xFlushOutput( pcListPic );
354#endif
355      }
356      // write reconstruction to file
357      if(bNewPicture)
358      {
359#if H_MV
360        xWriteOutput( pcListPic, decIdxLastPic, nalu.m_temporalId );
361      }
362    }
363  }
364
365#if H_3D
366  if( m_cCamParsCollector.isInitialized() )
367  {
368    m_cCamParsCollector.setSlice( 0 );
369  }
370#endif
371  for(UInt decIdx = 0; decIdx < m_numDecoders; decIdx++)
372  {
373    xFlushOutput( m_tDecTop[decIdx]->getListPic(), decIdx );
374  }
375#else
376        xWriteOutput( pcListPic, nalu.m_temporalId );
377      }
378    }
379  }
380 
381  xFlushOutput( pcListPic );
382  // delete buffers
383  m_cTDecTop.deletePicBuffer();
384#endif
385     
386  // destroy internal classes
387  xDestroyDecLib();
388}
389
390// ====================================================================================================================
391// Protected member functions
392// ====================================================================================================================
393
394Void TAppDecTop::xCreateDecLib()
395{
396#if H_MV
397  // initialize global variables
398  initROM(); 
399#if H_3D_DIM_DMM
400  initWedgeLists();
401#endif
402#else
403  // create decoder class
404  m_cTDecTop.create();
405#endif
406}
407
408Void TAppDecTop::xDestroyDecLib()
409{
410#if H_MV
411  // destroy ROM
412  destroyROM();
413
414  for(Int decIdx = 0; decIdx < m_numDecoders ; decIdx++)
415  {
416    if( m_tVideoIOYuvReconFile[decIdx] )
417    {
418      m_tVideoIOYuvReconFile[decIdx]->close();
419      delete m_tVideoIOYuvReconFile[decIdx]; 
420      m_tVideoIOYuvReconFile[decIdx] = NULL ;
421    }
422
423    if( m_tDecTop[decIdx] )
424    {
425      m_tDecTop[decIdx]->deletePicBuffer();
426      m_tDecTop[decIdx]->destroy() ;
427    }
428    delete m_tDecTop[decIdx] ; 
429    m_tDecTop[decIdx] = NULL ;
430  }
431#else
432  if ( m_pchReconFile )
433  {
434    m_cTVideoIOYuvReconFile. close();
435  }
436 
437  // destroy decoder class
438  m_cTDecTop.destroy();
439#endif
440#if H_3D
441  m_cCamParsCollector.uninit();
442  if( m_pScaleOffsetFile ) 
443  { 
444    ::fclose( m_pScaleOffsetFile ); 
445  }
446#endif
447}
448
449Void TAppDecTop::xInitDecLib()
450{
451#if !H_MV
452  // initialize decoder class
453  m_cTDecTop.init();
454  m_cTDecTop.setDecodedPictureHashSEIEnabled(m_decodedPictureHashSEIEnabled);
455#endif
456}
457
458/** \param pcListPic list of pictures to be written to file
459    \todo            DYN_REF_FREE should be revised
460 */
461#if H_MV
462Void TAppDecTop::xWriteOutput( TComList<TComPic*>* pcListPic, Int decIdx, Int tId )
463#else
464Void TAppDecTop::xWriteOutput( TComList<TComPic*>* pcListPic, UInt tId )
465#endif
466{
467  TComList<TComPic*>::iterator iterPic   = pcListPic->begin();
468  Int not_displayed = 0;
469
470  while (iterPic != pcListPic->end())
471  {
472    TComPic* pcPic = *(iterPic);
473#if H_MV
474    if(pcPic->getOutputMark() && pcPic->getPOC() > m_pocLastDisplay[decIdx])
475#else
476    if(pcPic->getOutputMark() && pcPic->getPOC() > m_iPOCLastDisplay)
477#endif
478    {
479       not_displayed++;
480    }
481    iterPic++;
482  }
483  iterPic   = pcListPic->begin();
484 
485  while (iterPic != pcListPic->end())
486  {
487    TComPic* pcPic = *(iterPic);
488   
489#if H_MV
490    if ( pcPic->getOutputMark() && (not_displayed >  pcPic->getNumReorderPics(tId) && pcPic->getPOC() > m_pocLastDisplay[decIdx]))
491#else
492    if ( pcPic->getOutputMark() && (not_displayed >  pcPic->getNumReorderPics(tId) && pcPic->getPOC() > m_iPOCLastDisplay))
493#endif
494    {
495      // write to file
496       not_displayed--;
497#if H_MV
498      if ( m_pchReconFiles[decIdx] )
499#else
500      if ( m_pchReconFile )
501#endif
502      {
503        const Window &conf = pcPic->getConformanceWindow();
504        const Window &defDisp = m_respectDefDispWindow ? pcPic->getDefDisplayWindow() : Window();
505#if H_MV
506        m_tVideoIOYuvReconFile[decIdx]->write( pcPic->getPicYuvRec(),
507#else
508        m_cTVideoIOYuvReconFile.write( pcPic->getPicYuvRec(),
509#endif
510                                       conf.getWindowLeftOffset() + defDisp.getWindowLeftOffset(),
511                                       conf.getWindowRightOffset() + defDisp.getWindowRightOffset(),
512                                       conf.getWindowTopOffset() + defDisp.getWindowTopOffset(),
513                                       conf.getWindowBottomOffset() + defDisp.getWindowBottomOffset() );
514      }
515     
516      // update POC of display order
517#if H_MV
518      m_pocLastDisplay[decIdx] = pcPic->getPOC();
519#else
520      m_iPOCLastDisplay = pcPic->getPOC();
521#endif
522     
523      // erase non-referenced picture in the reference picture list after display
524      if ( !pcPic->getSlice(0)->isReferenced() && pcPic->getReconMark() == true )
525      {
526#if !DYN_REF_FREE
527        pcPic->setReconMark(false);
528       
529        // mark it should be extended later
530        pcPic->getPicYuvRec()->setBorderExtension( false );
531       
532#else
533        pcPic->destroy();
534        pcListPic->erase( iterPic );
535        iterPic = pcListPic->begin(); // to the beginning, non-efficient way, have to be revised!
536        continue;
537#endif
538      }
539      pcPic->setOutputMark(false);
540    }
541   
542    iterPic++;
543  }
544}
545
546/** \param pcListPic list of pictures to be written to file
547    \todo            DYN_REF_FREE should be revised
548 */
549#if H_MV
550Void TAppDecTop::xFlushOutput( TComList<TComPic*>* pcListPic, Int decIdx )
551#else
552Void TAppDecTop::xFlushOutput( TComList<TComPic*>* pcListPic )
553#endif
554{
555  if(!pcListPic)
556  {
557    return;
558  } 
559  TComList<TComPic*>::iterator iterPic   = pcListPic->begin();
560
561  iterPic   = pcListPic->begin();
562 
563  while (iterPic != pcListPic->end())
564  {
565    TComPic* pcPic = *(iterPic);
566
567    if ( pcPic->getOutputMark() )
568    {
569      // write to file
570#if H_MV
571      if ( m_pchReconFiles[decIdx] )
572#else
573      if ( m_pchReconFile )
574#endif
575      {
576        const Window &conf = pcPic->getConformanceWindow();
577        const Window &defDisp = m_respectDefDispWindow ? pcPic->getDefDisplayWindow() : Window();
578#if H_MV
579        m_tVideoIOYuvReconFile[decIdx]->write( pcPic->getPicYuvRec(),
580#else
581        m_cTVideoIOYuvReconFile.write( pcPic->getPicYuvRec(),
582#endif
583                                       conf.getWindowLeftOffset() + defDisp.getWindowLeftOffset(),
584                                       conf.getWindowRightOffset() + defDisp.getWindowRightOffset(),
585                                       conf.getWindowTopOffset() + defDisp.getWindowTopOffset(),
586                                       conf.getWindowBottomOffset() + defDisp.getWindowBottomOffset() );
587      }
588     
589      // update POC of display order
590#if H_MV
591      m_pocLastDisplay[decIdx] = pcPic->getPOC();
592#else
593      m_iPOCLastDisplay = pcPic->getPOC();
594#endif
595     
596      // erase non-referenced picture in the reference picture list after display
597      if ( !pcPic->getSlice(0)->isReferenced() && pcPic->getReconMark() == true )
598      {
599#if !DYN_REF_FREE
600        pcPic->setReconMark(false);
601       
602        // mark it should be extended later
603        pcPic->getPicYuvRec()->setBorderExtension( false );
604       
605#else
606        pcPic->destroy();
607        pcListPic->erase( iterPic );
608        iterPic = pcListPic->begin(); // to the beginning, non-efficient way, have to be revised!
609        continue;
610#endif
611      }
612      pcPic->setOutputMark(false);
613    }
614#if !H_MV
615#if !DYN_REF_FREE
616    if(pcPic)
617    {
618      pcPic->destroy();
619      delete pcPic;
620      pcPic = NULL;
621    }
622#endif
623#endif
624    iterPic++;
625  }
626#if H_MV
627  m_pocLastDisplay[decIdx] = -MAX_INT;
628#else
629  pcListPic->clear();
630  m_iPOCLastDisplay = -MAX_INT;
631#endif
632}
633
634/** \param nalu Input nalu to check whether its LayerId is within targetDecLayerIdSet
635 */
636Bool TAppDecTop::isNaluWithinTargetDecLayerIdSet( InputNALUnit* nalu )
637{
638  if ( m_targetDecLayerIdSet.size() == 0 ) // By default, the set is empty, meaning all LayerIds are allowed
639  {
640    return true;
641  }
642  for (std::vector<Int>::iterator it = m_targetDecLayerIdSet.begin(); it != m_targetDecLayerIdSet.end(); it++)
643  {
644#if H_MV
645    if ( nalu->m_layerId == (*it) )
646#else
647    if ( nalu->m_reservedZero6Bits == (*it) )
648#endif
649    {
650      return true;
651    }
652  }
653  return false;
654}
655
656#if H_MV
657Int TAppDecTop::xGetDecoderIdx( Int layerId, Bool createFlag /*= false */ )
658{
659  Int decIdx = -1; 
660  if ( m_layerIdToDecIdx[ layerId ] != -1 ) 
661  {     
662    decIdx = m_layerIdToDecIdx[ layerId ]; 
663  }
664  else
665  {     
666    assert ( createFlag ); 
667    assert( m_numDecoders < MAX_NUM_LAYERS ); 
668
669    decIdx = m_numDecoders; 
670
671    // Init decoder
672    m_tDecTop[ decIdx ] =  new TDecTop;
673    m_tDecTop[ decIdx ]->create();
674    m_tDecTop[ decIdx ]->init( );
675    m_tDecTop[ decIdx ]->setLayerId( layerId );
676    m_tDecTop[ decIdx ]->setDecodedPictureHashSEIEnabled(m_decodedPictureHashSEIEnabled);
677    m_tDecTop[ decIdx ]->setIvPicLists( &m_ivPicLists ); 
678#if H_3D
679   m_tDecTop[ decIdx ]->setCamParsCollector( &m_cCamParsCollector );
680#endif
681
682    // append pic list of new decoder to PicLists
683    assert( m_ivPicLists.size() == m_numDecoders );
684    m_ivPicLists.push_back( m_tDecTop[ decIdx ]->getListPic() );
685
686    // create recon file related stuff     
687    Char* pchTempFilename = NULL;
688    if ( m_pchReconFile )
689    {     
690      Char buffer[4];     
691      sprintf(buffer,"_%i", layerId );
692      assert ( m_pchReconFile ); 
693      xAppendToFileNameEnd( m_pchReconFile , buffer, pchTempFilename );
694      assert( m_pchReconFiles.size() == m_numDecoders );
695    }
696
697    m_pchReconFiles.push_back( pchTempFilename );   
698
699    m_tVideoIOYuvReconFile[ decIdx ] = new TVideoIOYuv;
700    m_reconOpen           [ decIdx ] = false;
701
702    // set others
703    m_pocLastDisplay      [ decIdx ] = -MAX_INT;
704    m_layerIdToDecIdx     [ layerId ] = decIdx; 
705
706    m_numDecoders++; 
707  };
708  return decIdx;
709}
710#endif
711//! \}
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