libbpg-0.9.3

jctvc/TLibEncoder/SyntaxElementWriter.cpp

@@ -0,0 +1,132 @@
+/* The copyright in this software is being made available under the BSD
+ * License, included below. This software may be subject to other third party
+ * and contributor rights, including patent rights, and no such rights are
+ * granted under this license.
+ *
+ * Copyright (c) 2010-2014, ITU/ISO/IEC
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
+ *    be used to endorse or promote products derived from this software without
+ *    specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** \file     SyntaxElementWriter.cpp
+    \brief    CAVLC encoder class
+*/
+
+#include "TLibCommon/CommonDef.h"
+#include "SyntaxElementWriter.h"
+
+//! \ingroup TLibEncoder
+//! \{
+
+#if ENC_DEC_TRACE
+
+Void  SyntaxElementWriter::xWriteCodeTr (UInt value, UInt  length, const Char *pSymbolName)
+{
+  xWriteCode (value,length);
+  if( g_HLSTraceEnable )
+  {
+    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
+    if( length<10 )
+    {
+      fprintf( g_hTrace, "%-50s u(%d)  : %d\n", pSymbolName, length, value );
+    }
+    else
+    {
+      fprintf( g_hTrace, "%-50s u(%d) : %d\n", pSymbolName, length, value );
+    }
+  }
+}
+
+Void  SyntaxElementWriter::xWriteUvlcTr (UInt value, const Char *pSymbolName)
+{
+  xWriteUvlc (value);
+  if( g_HLSTraceEnable )
+  {
+    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
+    fprintf( g_hTrace, "%-50s ue(v) : %d\n", pSymbolName, value );
+  }
+}
+
+Void  SyntaxElementWriter::xWriteSvlcTr (Int value, const Char *pSymbolName)
+{
+  xWriteSvlc(value);
+  if( g_HLSTraceEnable )
+  {
+    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
+    fprintf( g_hTrace, "%-50s se(v) : %d\n", pSymbolName, value );
+  }
+}
+
+Void  SyntaxElementWriter::xWriteFlagTr(UInt value, const Char *pSymbolName)
+{
+  xWriteFlag(value);
+  if( g_HLSTraceEnable )
+  {
+    fprintf( g_hTrace, "%8lld  ", g_nSymbolCounter++ );
+    fprintf( g_hTrace, "%-50s u(1)  : %d\n", pSymbolName, value );
+  }
+}
+
+#endif
+
+
+Void SyntaxElementWriter::xWriteCode     ( UInt uiCode, UInt uiLength )
+{
+  assert ( uiLength > 0 );
+  m_pcBitIf->write( uiCode, uiLength );
+}
+
+Void SyntaxElementWriter::xWriteUvlc     ( UInt uiCode )
+{
+  UInt uiLength = 1;
+  UInt uiTemp = ++uiCode;
+
+  assert ( uiTemp );
+
+  while( 1 != uiTemp )
+  {
+    uiTemp >>= 1;
+    uiLength += 2;
+  }
+  // Take care of cases where uiLength > 32
+  m_pcBitIf->write( 0, uiLength >> 1);
+  m_pcBitIf->write( uiCode, (uiLength+1) >> 1);
+}
+
+Void SyntaxElementWriter::xWriteSvlc     ( Int iCode )
+{
+  UInt uiCode;
+
+  uiCode = xConvertToUInt( iCode );
+  xWriteUvlc( uiCode );
+}
+
+Void SyntaxElementWriter::xWriteFlag( UInt uiCode )
+{
+  m_pcBitIf->write( uiCode, 1 );
+}
+
+//! \}