source: 3DVCSoftware/trunk/source/Lib/TLibEncoder/SyntaxElementWriter.cpp @ 724

Last change on this file since 724 was 608, checked in by tech, 11 years ago

Merged DEV-2.0-dev0@604.

File size: 4.0 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) 2010-2013, 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     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#endif
94
95
96Void SyntaxElementWriter::xWriteCode     ( UInt uiCode, UInt uiLength )
97{
98  assert ( uiLength > 0 );
99  m_pcBitIf->write( uiCode, uiLength );
100}
101
102Void SyntaxElementWriter::xWriteUvlc     ( UInt uiCode )
103{
104  UInt uiLength = 1;
105  UInt uiTemp = ++uiCode;
106 
107  assert ( uiTemp );
108 
109  while( 1 != uiTemp )
110  {
111    uiTemp >>= 1;
112    uiLength += 2;
113  }
114  // Take care of cases where uiLength > 32
115  m_pcBitIf->write( 0, uiLength >> 1);
116  m_pcBitIf->write( uiCode, (uiLength+1) >> 1);
117}
118
119Void SyntaxElementWriter::xWriteSvlc     ( Int iCode )
120{
121  UInt uiCode;
122 
123  uiCode = xConvertToUInt( iCode );
124  xWriteUvlc( uiCode );
125}
126
127Void SyntaxElementWriter::xWriteFlag( UInt uiCode )
128{
129  m_pcBitIf->write( uiCode, 1 );
130}
131
132//! \}
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