source: SHVCSoftware/branches/SHM-upgrade/source/Lib/TLibEncoder/SyntaxElementWriter.cpp @ 918

Last change on this file since 918 was 916, checked in by seregin, 10 years ago

initial porting

  • Property svn:eol-style set to native
File size: 4.5 KB
Line 
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/** \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 Char *pSymbolName)
47{
48  xWriteCode (value,length);
49  if( g_HLSTraceEnable )
50  {
51    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
52    if( length<10 )
53    {
54      fprintf( g_hTrace, "%-50s u(%d)  : %d\n", pSymbolName, length, value );
55    }
56    else
57    {
58      fprintf( g_hTrace, "%-50s u(%d) : %d\n", pSymbolName, length, value );
59    }
60  }
61}
62
63Void  SyntaxElementWriter::xWriteUvlcTr (UInt value, const Char *pSymbolName)
64{
65  xWriteUvlc (value);
66  if( g_HLSTraceEnable )
67  {
68    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
69    fprintf( g_hTrace, "%-50s ue(v) : %d\n", pSymbolName, value );
70  }
71}
72
73Void  SyntaxElementWriter::xWriteSvlcTr (Int value, const Char *pSymbolName)
74{
75  xWriteSvlc(value);
76  if( g_HLSTraceEnable )
77  {
78    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
79    fprintf( g_hTrace, "%-50s se(v) : %d\n", pSymbolName, value );
80  }
81}
82
83Void  SyntaxElementWriter::xWriteFlagTr(UInt value, const Char *pSymbolName)
84{
85  xWriteFlag(value);
86  if( g_HLSTraceEnable )
87  {
88    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
89    fprintf( g_hTrace, "%-50s u(1)  : %d\n", pSymbolName, value );
90  }
91}
92
93#if Q0096_OVERLAY_SEI
94Void  SyntaxElementWriter::xWriteStringTr( UChar* value, UInt length, const Char *pSymbolName)
95{
96  xWriteString(value, length);
97  if( g_HLSTraceEnable )
98  {
99    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
100    fprintf( g_hTrace, "%-50s st(v=%d)  : %s\n", pSymbolName, length, value ); 
101  }
102}
103#endif
104
105#endif
106
107
108Void SyntaxElementWriter::xWriteCode     ( UInt uiCode, UInt uiLength )
109{
110  assert ( uiLength > 0 );
111  m_pcBitIf->write( uiCode, uiLength );
112}
113
114Void SyntaxElementWriter::xWriteUvlc     ( UInt uiCode )
115{
116  UInt uiLength = 1;
117  UInt uiTemp = ++uiCode;
118
119  assert ( uiTemp );
120
121  while( 1 != uiTemp )
122  {
123    uiTemp >>= 1;
124    uiLength += 2;
125  }
126  // Take care of cases where uiLength > 32
127  m_pcBitIf->write( 0, uiLength >> 1);
128  m_pcBitIf->write( uiCode, (uiLength+1) >> 1);
129}
130
131Void SyntaxElementWriter::xWriteSvlc     ( Int iCode )
132{
133  UInt uiCode;
134
135  uiCode = xConvertToUInt( iCode );
136  xWriteUvlc( uiCode );
137}
138
139Void SyntaxElementWriter::xWriteFlag( UInt uiCode )
140{
141  m_pcBitIf->write( uiCode, 1 );
142}
143
144#if Q0096_OVERLAY_SEI
145Void  SyntaxElementWriter::xWriteString( UChar* sCode, UInt uiLength)
146{
147  assert(m_pcBitIf->getNumberOfWrittenBits() % 8 == 0 );
148  for (Int i=0 ; i<uiLength; i++)
149  {
150    m_pcBitIf->write( sCode[i], 8 );
151  }
152  m_pcBitIf->write( 0, 8 ); //zero-termination byte
153}
154#endif
155
156//! \}
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