libbpg-0.9.3

jctvc/TLibCommon/TComPattern.h

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+/* 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     TComPattern.h
+    \brief    neighbouring pixel access classes (header)
+*/
+
+#ifndef __TCOMPATTERN__
+#define __TCOMPATTERN__
+
+// Include files
+#include <stdio.h>
+#include "CommonDef.h"
+#include <string>
+
+//! \ingroup TLibCommon
+//! \{
+
+// ====================================================================================================================
+// Class definition
+// ====================================================================================================================
+
+class TComDataCU;
+class TComTU;
+
+/// neighbouring pixel access class for one component
+class TComPatternParam
+{
+private:
+  Pel*  m_piROIOrigin;
+
+public:
+  Int   m_iROIWidth;
+  Int   m_iROIHeight;
+  Int   m_iPatternStride;
+
+  /// return starting position of ROI (ROI = &pattern[AboveOffset][LeftOffset])
+  __inline Pel*  getROIOrigin()
+  {
+    return  m_piROIOrigin;
+  }
+
+  /// set parameters from Pel buffer for accessing neighbouring pixels
+  Void setPatternParamPel (Pel*        piTexture,
+                           Int         iRoiWidth,
+                           Int         iRoiHeight,
+                           Int         iStride
+                           );
+};
+
+/// neighbouring pixel access class for all components
+class TComPattern
+{
+private:
+  TComPatternParam  m_cPatternY;
+//  TComPatternParam  m_cPatternCb;
+  //TComPatternParam  m_cPatternCr;
+
+public:
+
+  // ROI & pattern information, (ROI = &pattern[AboveOffset][LeftOffset])
+  Pel*  getROIY()                 { return m_cPatternY.getROIOrigin();    }
+  Int   getROIYWidth()            { return m_cPatternY.m_iROIWidth;       }
+  Int   getROIYHeight()           { return m_cPatternY.m_iROIHeight;      }
+  Int   getPatternLStride()       { return m_cPatternY.m_iPatternStride;  }
+
+  // -------------------------------------------------------------------------------------------------------------------
+  // initialization functions
+  // -------------------------------------------------------------------------------------------------------------------
+
+  /// set parameters from Pel buffers for accessing neighbouring pixels
+  Void initPattern            (Pel*        piY,
+                               Int         iRoiWidth,
+                               Int         iRoiHeight,
+                               Int         iStride );
+
+
+
+
+};
+
+//! \}
+
+#endif // __TCOMPATTERN__