source: 3DVCSoftware/trunk/source/Lib/TLibEncoder/SyntaxElementWriter.cpp

Last change on this file was 1413, checked in by tech, 6 years ago

Merged HTM-16.2-dev@1412

File size: 5.5 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) 2010-2017, 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     SyntaxElementWriter.cpp
35    \brief    CAVLC encoder class
36*/
37
38#include "TLibCommon/CommonDef.h"
39#include "SyntaxElementWriter.h"
40
41//! \ingroup TLibEncoder
42//! \{
43
44#if ENC_DEC_TRACE
45
46Void  SyntaxElementWriter::xWriteCodeTr (UInt value, UInt  length, const TChar *pSymbolName)
47{
48  xWriteCode (value,length);
49  if( g_HLSTraceEnable )
50  {
51#if NH_MV_ENC_DEC_TRAC
52    if ( !g_disableNumbering )
53    {
54      incSymbolCounter();
55      fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter );
56    }
57#else
58    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
59#endif
60
61    if( length<10 )
62    {
63      fprintf( g_hTrace, "%-50s u(%d)  : %d\n", pSymbolName, length, value );
64    }
65    else
66    {
67      fprintf( g_hTrace, "%-50s u(%d) : %d\n", pSymbolName, length, value );
68    }
69  }
70}
71
72Void  SyntaxElementWriter::xWriteUvlcTr (UInt value, const TChar *pSymbolName)
73{
74  xWriteUvlc (value);
75  if( g_HLSTraceEnable )
76  {
77#if NH_MV_ENC_DEC_TRAC
78    if ( !g_disableNumbering )
79    {
80      incSymbolCounter(); 
81      fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter );
82    }
83#else
84    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
85#endif
86
87    fprintf( g_hTrace, "%-50s ue(v) : %d\n", pSymbolName, value );
88  }
89}
90
91Void  SyntaxElementWriter::xWriteSvlcTr (Int value, const TChar *pSymbolName)
92{
93  xWriteSvlc(value);
94  if( g_HLSTraceEnable )
95  {
96#if NH_MV_ENC_DEC_TRAC
97    if ( !g_disableNumbering )
98    {
99      incSymbolCounter(); 
100      fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter );
101    }
102#else
103    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
104#endif
105
106    fprintf( g_hTrace, "%-50s se(v) : %d\n", pSymbolName, value );
107  }
108}
109
110Void  SyntaxElementWriter::xWriteFlagTr(UInt value, const TChar *pSymbolName)
111{
112  xWriteFlag(value);
113  if( g_HLSTraceEnable )
114  {
115#if NH_MV_ENC_DEC_TRAC
116    if ( !g_disableNumbering )
117    {
118      incSymbolCounter();
119      fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter );
120    }
121#else
122     fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
123#endif
124
125    fprintf( g_hTrace, "%-50s u(1)  : %d\n", pSymbolName, value );
126  }
127}
128
129#if NH_MV_ENC_DEC_TRAC
130Void  SyntaxElementWriter::xWriteStringTr( UChar* value, UInt length, const TChar *pSymbolName)
131{
132  xWriteString(value, length);
133  if( g_HLSTraceEnable )
134  {
135    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
136    fprintf( g_hTrace, "%-50s st(v=%d)  : %s\n", pSymbolName, length, value ); 
137  }
138}
139#endif
140#endif
141
142
143Void SyntaxElementWriter::xWriteCode     ( UInt uiCode, UInt uiLength )
144{
145  assert ( uiLength > 0 );
146  m_pcBitIf->write( uiCode, uiLength );
147}
148
149Void SyntaxElementWriter::xWriteUvlc     ( UInt uiCode )
150{
151  UInt uiLength = 1;
152  UInt uiTemp = ++uiCode;
153
154  assert ( uiTemp );
155
156  while( 1 != uiTemp )
157  {
158    uiTemp >>= 1;
159    uiLength += 2;
160  }
161  // Take care of cases where uiLength > 32
162  m_pcBitIf->write( 0, uiLength >> 1);
163  m_pcBitIf->write( uiCode, (uiLength+1) >> 1);
164}
165
166Void SyntaxElementWriter::xWriteSvlc     ( Int iCode )
167{
168  UInt uiCode;
169
170  uiCode = xConvertToUInt( iCode );
171  xWriteUvlc( uiCode );
172}
173
174Void SyntaxElementWriter::xWriteFlag( UInt uiCode )
175{
176  m_pcBitIf->write( uiCode, 1 );
177}
178
179#if NH_MV_ENC_DEC_TRAC
180Void  SyntaxElementWriter::xWriteString( UChar* sCode, UInt uiLength)
181{
182  assert(m_pcBitIf->getNumberOfWrittenBits() % 8 == 0 );
183  for (Int i=0 ; i<uiLength; i++)
184  {
185    m_pcBitIf->write( sCode[i], 8 );
186  }
187  m_pcBitIf->write( 0, 8 ); //zero-termination byte
188}
189#endif
190Void SyntaxElementWriter::xWriteRbspTrailingBits()
191{
192  WRITE_FLAG( 1, "rbsp_stop_one_bit");
193  Int cnt = 0;
194  while (m_pcBitIf->getNumBitsUntilByteAligned())
195  {
196    WRITE_FLAG( 0, "rbsp_alignment_zero_bit");
197    cnt++;
198  }
199  assert(cnt<8);
200}
201
202//! \}
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