Add StreamHandlerPortableMap and change some files organisation

2016-04-02 02:59:09 +01:00
parent b71ca0580c
commit e9feb12367
3 changed files with 272 additions and 0 deletions
@@ -0,0 +1,99 @@
+/*    This file is a part of plaYUVer project
+ *    Copyright (C) 2014-2015  by Luis Lucas      (luisfrlucas@gmail.com)
+ *                                Joao Carreira   (jfmcarreira@gmail.com)
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License along
+ *   with this program; if not, write to the Free Software Foundation, Inc.,
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * \file     StreamHandlerRaw.cpp
+ * \ingroup  PlaYUVerLib
+ * \brief    Interface for raw (yuv) streams
+ */
+
+#include <cstdio>
+#include "StreamHandlerRaw.h"
+#include "PlaYUVerFrame.h"
+#include "PlaYUVerFramePixelFormats.h"
+#include "LibMemory.h"
+
+namespace plaYUVer
+{
+
+Bool PlaYUVerRawHandler::openHandler( std::string strFilename, Bool bInput )
+{
+  m_bIsInput = bInput;
+  m_pFile = NULL;
+  m_pFile = fopen( strFilename.c_str(), bInput ? "rb" : "wb" );
+  if( m_pFile == NULL )
+  {
+    return false;
+  }
+  m_strFormatName = "YUV";
+  m_strCodecName = "Raw Video";
+  return true;
+}
+
+Void PlaYUVerRawHandler::closeHandler()
+{
+  if( m_pFile )
+    fclose( m_pFile );
+}
+
+Bool PlaYUVerRawHandler::configureBuffer( PlaYUVerFrame* pcFrame )
+{
+  return getMem1D<Byte>( &m_pStreamBuffer, pcFrame->getBytesPerFrame() );
+}
+
+
+UInt64 PlaYUVerRawHandler::calculateFrameNumber()
+{
+  if( !m_pFile || m_uiNBytesPerFrame == 0 )
+    return 0;
+  fseek( m_pFile, 0, SEEK_END );
+  UInt64 fileSize = ftell( m_pFile );
+  fseek( m_pFile, 0, SEEK_SET );
+  return ( fileSize / m_uiNBytesPerFrame );
+}
+
+Bool PlaYUVerRawHandler::seek( UInt64 iFrameNum )
+{
+  if( m_bIsInput && m_pFile )
+  {
+    fseek( m_pFile, iFrameNum >= 0 ? iFrameNum * m_uiNBytesPerFrame : 0, SEEK_SET );
+    return true;
+  }
+  return false;
+}
+
+Bool PlaYUVerRawHandler::read( PlaYUVerFrame* pcFrame )
+{
+  UInt64 processed_bytes = fread( m_pStreamBuffer, sizeof( Byte ), m_uiNBytesPerFrame, m_pFile );
+  if( processed_bytes != m_uiNBytesPerFrame )
+    return false;
+  pcFrame->frameFromBuffer( m_pStreamBuffer );
+  return true;
+}
+
+Bool PlaYUVerRawHandler::write( PlaYUVerFrame* pcFrame )
+{
+  pcFrame->frameToBuffer( m_pStreamBuffer );
+  UInt64 processed_bytes = fwrite( m_pStreamBuffer, sizeof( Byte ), m_uiNBytesPerFrame, m_pFile );
+  if( processed_bytes != m_uiNBytesPerFrame )
+    return false;
+  return true;
+}
+
+}  // NAMESPACE