diff --git a/app/ConfigureFormatDialog.cpp b/app/ConfigureFormatDialog.cpp
index ab3caf4..89844c1 100644
--- a/app/ConfigureFormatDialog.cpp
+++ b/app/ConfigureFormatDialog.cpp
@@ -174,7 +174,7 @@ ConfigureFormatDialog::ConfigureFormatDialog( QWidget *parent ) :
   pixelGridLayout->addItem( new QSpacerItem( 10, 10, QSizePolicy::Expanding, QSizePolicy::Minimum ), 1, 1 );
   pixelGridLayout->addWidget( m_comboBoxPixelFormat, 1, 2 );
 
-  QHBoxLayout* bitsPerPelLayout = new QHBoxLayout();
+
   QLabel* bitsPerPelLabel = new QLabel();
   bitsPerPelLabel->setFont( normalFont );
   bitsPerPelLabel->setText( "Pixel bit depth" );
@@ -187,6 +187,27 @@ ConfigureFormatDialog::ConfigureFormatDialog( QWidget *parent ) :
   pixelGridLayout->addItem( new QSpacerItem( 20, 10, QSizePolicy::Expanding, QSizePolicy::Minimum ), 2, 1 );
   pixelGridLayout->addWidget( m_spinBoxBits, 2, 2 );
 
+  /*
+   *  Endianess
+   */
+  QHBoxLayout* endiannessLayout = new QHBoxLayout();
+  QLabel* endiannessLabel = new QLabel();
+  endiannessLabel->setFont( menusFont );
+  endiannessLabel->setText( "Endianness" );
+  QComboBox* endiannessComboBox = new QComboBox();
+  endiannessComboBox->setFont( normalFont );
+  endiannessComboBox->setSizePolicy( sizePolicy );
+  endiannessComboBox->clear();
+  endiannessComboBox->addItem( QStringLiteral("Big Endian") );
+  endiannessComboBox->addItem( QStringLiteral("Little Endian") );
+  endiannessComboBox->setCurrentIndex( 0 );
+  endiannessLayout->addWidget( endiannessLabel );
+  endiannessLayout->addItem( new QSpacerItem( 20, 10, QSizePolicy::Expanding, QSizePolicy::Minimum ) );
+  endiannessLayout->addWidget( endiannessComboBox );
+  m_widgetEndianness = new QWidget();
+  m_widgetEndianness->setLayout( endiannessLayout );
+  m_widgetEndianness->setVisible( true );
+
   /*
    *  Frame rate format
    */
@@ -212,13 +233,11 @@ ConfigureFormatDialog::ConfigureFormatDialog( QWidget *parent ) :
   dialogButtonOkCancel->setCenterButtons( false );
 
   MainLayout->addItem( new QSpacerItem( 10, 5, QSizePolicy::Minimum ) );
-  // MainLayout->addLayout( standardResolutionLayout );
-  // MainLayout->addItem( new QSpacerItem( 10, 10, QSizePolicy::Minimum ) );
   MainLayout->addWidget( resolutionGroup );
   MainLayout->addItem( new QSpacerItem( 10, 5, QSizePolicy::Minimum ) );
   MainLayout->addWidget( pixelGroup );
-  MainLayout->addLayout( bitsPerPelLayout );
   MainLayout->addItem( new QSpacerItem( 10, 5, QSizePolicy::Minimum ) );
+  MainLayout->addWidget( m_widgetEndianness );
   MainLayout->addLayout( framerateFormatLayout );
   MainLayout->addItem( new QSpacerItem( 10, 5, QSizePolicy::Minimum, QSizePolicy::Expanding ) );
   MainLayout->addWidget( dialogButtonOkCancel );
@@ -226,8 +245,9 @@ ConfigureFormatDialog::ConfigureFormatDialog( QWidget *parent ) :
   connect( m_comboBoxStandardResolution, SIGNAL( currentIndexChanged(int) ), this, SLOT( slotStandardResolutionSelected(int) ) );
   connect( m_spinBoxWidth, SIGNAL( valueChanged(int) ), this, SLOT( slotResolutionChange() ) );
   connect( m_spinBoxheight, SIGNAL( valueChanged(int) ), this, SLOT( slotResolutionChange() ) );
-
   connect( m_comboBoxColorSpace, SIGNAL( currentIndexChanged(int) ), this, SLOT( slotColorSpaceChange(int) ) );
+  connect( m_spinBoxBits, SIGNAL( valueChanged(int) ), this, SLOT( slotBitsChange(int) ) );
+
   connect( dialogButtonOkCancel, SIGNAL( accepted() ), this, SLOT( accept() ) );
   connect( dialogButtonOkCancel, SIGNAL( rejected() ), this, SLOT( reject() ) );
 
@@ -237,7 +257,7 @@ ConfigureFormatDialog::ConfigureFormatDialog( QWidget *parent ) :
 
 }
 
-Int ConfigureFormatDialog::runConfigureFormatDialog( QString Filename, UInt& rWidth, UInt& rHeight, Int& rInputFormat, UInt& rBits, UInt& rFrameRate )
+Int ConfigureFormatDialog::runConfigureFormatDialog( QString Filename, UInt& rWidth, UInt& rHeight, Int& rInputFormat, UInt& rBits, UInt& rEndianess, UInt& rFrameRate )
 {
   // Set default values
   //setWindowTitle( "Configure resolution for " + Filename );
@@ -340,4 +360,16 @@ Void ConfigureFormatDialog::slotColorSpaceChange( Int idx )
   m_comboBoxPixelFormat->setCurrentIndex( 0 );
 }
 
+Void ConfigureFormatDialog::slotBitsChange( Int idx )
+{
+  if( idx > 8 )
+  {
+    m_widgetEndianness->setVisible( true );
+  }
+  else
+  {
+    m_widgetEndianness->setVisible( false );
+  }
+}
+
 }  // NAMESPACE
diff --git a/app/ConfigureFormatDialog.h b/app/ConfigureFormatDialog.h
index fe74524..60ecf56 100644
--- a/app/ConfigureFormatDialog.h
+++ b/app/ConfigureFormatDialog.h
@@ -50,12 +50,13 @@ Q_OBJECT
 public:
 
   ConfigureFormatDialog( QWidget *parent = 0 );
-  Int runConfigureFormatDialog( QString Filename, UInt& rWidth, UInt& rHeight, Int& rInputFormat, UInt& rBits, UInt& rFrameRate );
+  Int runConfigureFormatDialog( QString Filename, UInt& rWidth, UInt& rHeight, Int& rInputFormat, UInt& rBits, UInt& rEndianess, UInt& rFrameRate );
 
 private Q_SLOTS:
   void slotStandardResolutionSelected( int );
   void slotResolutionChange();
   void slotColorSpaceChange( int );
+  void slotBitsChange( int );
 
 private:
   QStringList standardResolutionNames;
@@ -68,6 +69,8 @@ private:
   QComboBox *m_comboBoxColorSpace;
   QComboBox *m_comboBoxPixelFormat;
   QSpinBox *m_spinBoxBits;
+  QWidget* m_widgetEndianness;
+  QHBoxLayout* framerateFormatLayout;
   QSpinBox *m_spinBoxFrameRate;
 
 };
diff --git a/app/VideoSubWindow.cpp b/app/VideoSubWindow.cpp
index 7e05ec1..ed23be0 100644
--- a/app/VideoSubWindow.cpp
+++ b/app/VideoSubWindow.cpp
@@ -51,6 +51,7 @@ QDataStream& operator<<( QDataStream& out, const PlaYUVerStreamInfoVector& array
         << d.m_uiHeight
         << d.m_iPelFormat
         << d.m_uiBitsPelPixel
+        << d.m_uiEndianness
         << d.m_uiFrameRate
         << d.m_uiFileSize;
   }
@@ -69,6 +70,7 @@ QDataStream& operator>>( QDataStream& in, PlaYUVerStreamInfoVector& array )
     in >> d.m_uiHeight;
     in >> d.m_iPelFormat;
     in >> d.m_uiBitsPelPixel;
+    in >> d.m_uiEndianness;
     in >> d.m_uiFrameRate;
     in >> d.m_uiFileSize;
     array.append( d );
@@ -306,7 +308,7 @@ Void VideoSubWindow::refreshSubWindow()
 Bool VideoSubWindow::loadFile( QString cFilename, Bool bForceDialog )
 {
   ConfigureFormatDialog formatDialog( this );
-  UInt Width = 0, Height = 0, BitsPel = 8, FrameRate = 30;
+  UInt Width = 0, Height = 0, BitsPel = 8, Endianness = 0, FrameRate = 30;
   Int InputFormat = PlaYUVerFrame::YUV420p;
 
   if( m_pCurrStream )
@@ -319,7 +321,7 @@ Bool VideoSubWindow::loadFile( QString cFilename, Bool bForceDialog )
 
   if( guessFormat( cFilename, Width, Height, InputFormat, FrameRate ) || bForceDialog )
   {
-    if( formatDialog.runConfigureFormatDialog( QFileInfo( cFilename ).fileName(), Width, Height, InputFormat, BitsPel, FrameRate ) == QDialog::Rejected )
+    if( formatDialog.runConfigureFormatDialog( QFileInfo( cFilename ).fileName(), Width, Height, InputFormat, BitsPel, Endianness, FrameRate ) == QDialog::Rejected )
     {
       return false;
     }
@@ -327,15 +329,15 @@ Bool VideoSubWindow::loadFile( QString cFilename, Bool bForceDialog )
 
   try
   {
-    m_pCurrStream->open( cFilename.toStdString(), Width, Height, InputFormat, BitsPel, FrameRate );
+    m_pCurrStream->open( cFilename.toStdString(), Width, Height, InputFormat, BitsPel, Endianness, FrameRate );
   }
   catch( const char *msg )
   {
-    if( formatDialog.runConfigureFormatDialog( QFileInfo( cFilename ).fileName(), Width, Height, InputFormat, BitsPel, FrameRate ) == QDialog::Rejected )
+    if( formatDialog.runConfigureFormatDialog( QFileInfo( cFilename ).fileName(), Width, Height, InputFormat, BitsPel, Endianness, FrameRate ) == QDialog::Rejected )
     {
       return false;
     }
-    m_pCurrStream->open( cFilename.toStdString(), Width, Height, InputFormat, BitsPel, FrameRate );
+    m_pCurrStream->open( cFilename.toStdString(), Width, Height, InputFormat, BitsPel, Endianness, FrameRate );
   }
 
   m_sStreamInfo.m_cFilename = cFilename;
@@ -365,7 +367,7 @@ Bool VideoSubWindow::loadFile( PlaYUVerStreamInfo* streamInfo )
   }
 
   if( !m_pCurrStream->open( streamInfo->m_cFilename.toStdString(), streamInfo->m_uiWidth, streamInfo->m_uiHeight, streamInfo->m_iPelFormat,
-      streamInfo->m_uiBitsPelPixel, streamInfo->m_uiFrameRate ) )
+    streamInfo->m_uiBitsPelPixel, streamInfo->m_uiEndianness, streamInfo->m_uiFrameRate ) )
   {
     return false;
   }
diff --git a/app/VideoSubWindow.h b/app/VideoSubWindow.h
index c2f0928..33cbc18 100644
--- a/app/VideoSubWindow.h
+++ b/app/VideoSubWindow.h
@@ -52,6 +52,7 @@ typedef struct
   UInt m_uiHeight;
   Int m_iPelFormat;
   UInt m_uiBitsPelPixel;
+  UInt m_uiEndianness;
   UInt m_uiFrameRate;
   UInt64 m_uiFileSize;
 } PlaYUVerStreamInfo;
diff --git a/lib/LibAvContextHandle.cpp b/lib/LibAvContextHandle.cpp
index 20c0617..7324a12 100644
--- a/lib/LibAvContextHandle.cpp
+++ b/lib/LibAvContextHandle.cpp
@@ -112,7 +112,7 @@ Void LibAvContextHandle::closeAvFormat()
   m_bHasStream = false;
 }
 
-Bool LibAvContextHandle::initAvFormat( const char* filename, UInt& width, UInt& height, Int& pixel_format, UInt& bits_pel, Double& frame_rate,
+Bool LibAvContextHandle::initAvFormat( const char* filename, UInt& width, UInt& height, Int& pixel_format, UInt& endianness, UInt& bits_pel, Double& frame_rate,
     UInt64& num_frames )
 {
   fmt_ctx = NULL;
@@ -177,9 +177,9 @@ Bool LibAvContextHandle::initAvFormat( const char* filename, UInt& width, UInt&
     getMem1D( &m_pchFrameBuffer, m_uiFrameBufferSize );
   }
 
-  const char *name = avcodec_get_name( video_dec_ctx->codec_id );  
+  const char *name = avcodec_get_name( video_dec_ctx->codec_id );
   sprintf( m_acCodecName, "%s", name );
-  
+
   Double fr = 30;
   if( video_stream->avg_frame_rate.den && video_stream->avg_frame_rate.num )
     fr = av_q2d( video_stream->avg_frame_rate );
diff --git a/lib/LibAvContextHandle.h b/lib/LibAvContextHandle.h
index 0f44828..4b4ba50 100644
--- a/lib/LibAvContextHandle.h
+++ b/lib/LibAvContextHandle.h
@@ -65,7 +65,7 @@ public:
           m_bHasStream( false )
   {
   }
-  Bool initAvFormat( const char* filename, UInt& width, UInt& height, Int& pixel_format, UInt& bits_pel, Double& frame_rate, UInt64& num_frames );
+  Bool initAvFormat( const char* filename, UInt& width, UInt& height, Int& pixel_format, UInt& bits_pel, UInt& endianness, Double& frame_rate, UInt64& num_frames );
   Void closeAvFormat();
   Bool decodeAvFormat();
 
diff --git a/lib/PlaYUVerDefs.h b/lib/PlaYUVerDefs.h
index 7f0893d..a37c383 100644
--- a/lib/PlaYUVerDefs.h
+++ b/lib/PlaYUVerDefs.h
@@ -119,6 +119,7 @@ enum RGBcomponent
   COLOR_A,
 };
 
+
 inline std::string lowercase( const std::string& in )
 {
   std::string out;
diff --git a/lib/PlaYUVerFrame.cpp b/lib/PlaYUVerFrame.cpp
index d03248f..b23c6d1 100644
--- a/lib/PlaYUVerFrame.cpp
+++ b/lib/PlaYUVerFrame.cpp
@@ -174,7 +174,7 @@ Void PlaYUVerFrame::init( UInt width, UInt height, Int pel_format, Int bitsPixel
   m_iNumberChannels = 3;
   m_uiBitsPel = bitsPixel > 8 ? bitsPixel : 8;
   m_uiHalfPelValue = 1 << ( m_uiBitsPel - 1 );
-  
+
   if( m_uiWidth == 0 || m_uiHeight == 0 || m_iPixelFormat == -1 || bitsPixel > 16 )
   {
     throw "Cannot create a PlYUVerFrame of this type";
@@ -385,18 +385,30 @@ Void PlaYUVerFrame::copyFrom( PlaYUVerFrame* input_frame, UInt xPos, UInt yPos )
   m_bHasHistogram = false;
 }
 
-Void PlaYUVerFrame::frameFromBuffer( Byte *Buff, UInt64 uiBuffSize )
+Void PlaYUVerFrame::frameFromBuffer( Byte *Buff, UInt64 uiBuffSize, Int endianess )
 {
   if( uiBuffSize != getBytesPerFrame() )
     return;
 
   Byte* ppBuff[MAX_NUMBER_PLANES];
   Byte* pTmpBuff;
-  Pel* pTmpPel;
+  Pel* pPel;
   UInt bytesPixel = ( m_uiBitsPel - 1 ) / 8 + 1;
+  UInt shiftInput, shiftOutput;
   Int ratioH, ratioW, step;
   UInt i, ch, b;
 
+  if( endianess == 1 )
+  {
+    shiftInput = 8;
+    shiftOutput = 0;
+  }
+  else
+  {
+    shiftInput = 0;
+    shiftOutput = 8;
+  }
+
   ppBuff[0] = Buff;
   for( i = 1; i < MAX_NUMBER_PLANES; i++ )
   {
@@ -411,18 +423,18 @@ Void PlaYUVerFrame::frameFromBuffer( Byte *Buff, UInt64 uiBuffSize )
     ratioH = ch > 0 ? m_pcPelFormat->log2ChromaHeight : 0;
     step = m_pcPelFormat->comp[ch].step_minus1 + 1;
 
-    pTmpPel = m_pppcInputPel[ch][0];
+    pPel = m_pppcInputPel[ch][0];
     pTmpBuff = ppBuff[m_pcPelFormat->comp[ch].plane] + ( m_pcPelFormat->comp[ch].offset_plus1 - 1 );
 
     for( i = 0; i < CHROMASHIFT( m_uiHeight, ratioH ) * CHROMASHIFT( m_uiWidth, ratioW ); i++ )
     {
-      *pTmpPel = *pTmpBuff;
+      *pPel = *pTmpBuff;
       for( b = 1; b < bytesPixel; b++ )
       {
         pTmpBuff++;
-        *pTmpPel |= ( *pTmpBuff << ( 8 * b ) );
+        *pPel = ( *pPel << shiftOutput ) + ( *pTmpBuff << shiftInput );
       }
-      pTmpPel++;
+      pPel++;
       pTmpBuff += step;
     }
   }
@@ -1186,3 +1198,4 @@ Double PlaYUVerFrame::getSSIM( PlaYUVerFrame* Org, Int component )
 }
 
 }  // NAMESPACE
+
diff --git a/lib/PlaYUVerFrame.h b/lib/PlaYUVerFrame.h
index 33ea961..7a6946a 100644
--- a/lib/PlaYUVerFrame.h
+++ b/lib/PlaYUVerFrame.h
@@ -211,7 +211,7 @@ public:
   Void copyFrom( PlaYUVerFrame* );
   Void copyFrom( PlaYUVerFrame*, UInt, UInt );
 
-  Void frameFromBuffer( Byte*, UInt64 );
+  Void frameFromBuffer( Byte*, UInt64, Int );
   Void frameToBuffer( Byte* );
 
   Void fillRGBBuffer();
diff --git a/lib/PlaYUVerStream.cpp b/lib/PlaYUVerStream.cpp
index 0aa9ab2..853ef27 100644
--- a/lib/PlaYUVerStream.cpp
+++ b/lib/PlaYUVerStream.cpp
@@ -190,7 +190,7 @@ Void PlaYUVerStream::findHandler()
   }
 }
 
-Bool PlaYUVerStream::open( std::string filename, std::string resolution, std::string input_format_name, UInt bitsPel, UInt frame_rate, Bool bInput )
+Bool PlaYUVerStream::open( std::string filename, std::string resolution, std::string input_format_name, UInt bitsPel, UInt endianness, UInt frame_rate, Bool bInput )
 {
   UInt width;
   UInt height;
@@ -212,10 +212,10 @@ Bool PlaYUVerStream::open( std::string filename, std::string resolution, std::st
       break;
     }
   }
-  return open( filename, width, height, input_format, bitsPel, frame_rate, bInput );
+  return open( filename, width, height, input_format, bitsPel, endianness, frame_rate, bInput );
 }
 
-Bool PlaYUVerStream::open( std::string filename, UInt width, UInt height, Int input_format, UInt bitsPel, UInt frame_rate, Bool bInput )
+Bool PlaYUVerStream::open( std::string filename, UInt width, UInt height, Int input_format, UInt bitsPel, UInt endianness, UInt frame_rate, Bool bInput )
 {
   if( m_bInit )
   {
@@ -228,6 +228,7 @@ Bool PlaYUVerStream::open( std::string filename, UInt width, UInt height, Int in
   m_uiHeight = height;
   m_iPixelFormat = input_format;
   m_uiBitsPerPixel = bitsPel;
+  m_uiEndianness = endianness;
   m_dFrameRate = frame_rate;
 
   m_pchFilename = new Char[m_cFilename.size() + 1];
@@ -247,7 +248,7 @@ Bool PlaYUVerStream::open( std::string filename, UInt width, UInt height, Int in
 #ifdef USE_FFMPEG
   if( m_iStreamHandler == FFMPEG )
   {
-    if( !m_cLibAvContext->initAvFormat( m_pchFilename, m_uiWidth, m_uiHeight, m_iPixelFormat, m_uiBitsPerPixel, m_dFrameRate, m_uiTotalFrameNum ) )
+    if( !m_cLibAvContext->initAvFormat( m_pchFilename, m_uiWidth, m_uiHeight, m_iPixelFormat, m_uiBitsPerPixel, m_uiEndianness, m_dFrameRate, m_uiTotalFrameNum ) )
     {
       throw "Cannot open file using FFmpeg libs";
     }
@@ -370,7 +371,7 @@ Bool PlaYUVerStream::reload()
   if( m_iStreamHandler == FFMPEG )
   {
     m_cLibAvContext->closeAvFormat();
-    if( !m_cLibAvContext->initAvFormat( m_pchFilename, m_uiWidth, m_uiHeight, m_iPixelFormat, m_uiBitsPerPixel, m_dFrameRate, m_uiTotalFrameNum ) )
+    if( !m_cLibAvContext->initAvFormat( m_pchFilename, m_uiWidth, m_uiHeight, m_iPixelFormat, m_uiBitsPerPixel, m_uiEndianness, m_dFrameRate, m_uiTotalFrameNum ) )
     {
       throw "Cannot open file using FFmpeg libs";
     }
@@ -578,7 +579,7 @@ Void PlaYUVerStream::readFrame()
       throw "[PlaYUVerStream] Error reading frame from libav";
       return;
     }
-    m_pcNextFrame->frameFromBuffer( m_cLibAvContext->m_pchFrameBuffer, m_cLibAvContext->m_uiFrameBufferSize );
+    m_pcNextFrame->frameFromBuffer( m_cLibAvContext->m_pchFrameBuffer, m_cLibAvContext->m_uiFrameBufferSize, m_uiEndianness );
   }
 #endif
   if( m_iStreamHandler == YUV_IO )
@@ -590,7 +591,7 @@ Void PlaYUVerStream::readFrame()
       throw "[PlaYUVerStream] Cannot read file";
       return;
     }
-    m_pcNextFrame->frameFromBuffer( m_pStreamBuffer, bytes_read );
+    m_pcNextFrame->frameFromBuffer( m_pStreamBuffer, bytes_read, m_uiEndianness );
   }
   m_uiCurrFrameFileIdx++;
   return;
diff --git a/lib/PlaYUVerStream.h b/lib/PlaYUVerStream.h
index c4d83ae..d0e65b2 100644
--- a/lib/PlaYUVerStream.h
+++ b/lib/PlaYUVerStream.h
@@ -95,8 +95,8 @@ public:
     END_OF_SEQ,
   };
 
-  Bool open( std::string filename, std::string resolution, std::string input_format, UInt bitsPel, UInt frame_rate, Bool bInput = true );
-  Bool open( std::string filename, UInt width, UInt height, Int input_format, UInt bitsPel, UInt frame_rate, Bool bInput = true );
+  Bool open( std::string filename, std::string resolution, std::string input_format, UInt bitsPel, UInt endianness, UInt frame_rate,  Bool bInput = true );
+  Bool open( std::string filename, UInt width, UInt height, Int input_format, UInt bitsPel, UInt endianness, UInt frame_rate, Bool bInput = true );
 
   Bool reload();
 
@@ -194,6 +194,7 @@ private:
   UInt m_uiHeight;
   Int m_iPixelFormat;
   UInt m_uiBitsPerPixel;
+  UInt m_uiEndianness;
   Double m_dFrameRate;
   UInt64 m_uiTotalFrameNum;
   Int64 m_iCurrFrameNum;
diff --git a/tools/PlaYUVerTools.cpp b/tools/PlaYUVerTools.cpp
index fac4f5e..30a684d 100644
--- a/tools/PlaYUVerTools.cpp
+++ b/tools/PlaYUVerTools.cpp
@@ -76,6 +76,18 @@ Int PlaYUVerTools::openInputs()
     {
       uiBitPerPixel = m_cCmdLineHandler.m_uiBitsPerPixel;
     }
+    UInt uiEndianness = 0;
+    if( m_cCmdLineHandler.Opts()["endianness"]->count() )
+    {
+      if( m_cCmdLineHandler.m_strEndianness == "big" )
+      {
+        uiEndianness = 0;
+      }
+      if( m_cCmdLineHandler.m_strEndianness == "little" )
+      {
+        uiEndianness = 1;
+      }
+    }
 
     std::vector<std::string> inputFileNames = m_cCmdLineHandler.m_apcInputs;
 
@@ -85,7 +97,7 @@ Int PlaYUVerTools::openInputs()
       pcStream = new PlaYUVerStream;
       try
       {
-        if( !pcStream->open( inputFileNames[i], resolutionString, fmtString, uiBitPerPixel, 1 ) )
+        if( !pcStream->open( inputFileNames[i], resolutionString, fmtString, uiBitPerPixel, uiEndianness, 1 ) )
         {
           m_cCmdLineHandler.log( LOG_ERROR, "Cannot open input stream %s! ", inputFileNames[i].c_str() );
           return 2;
diff --git a/tools/PlaYUVerToolsCmdParser.cpp b/tools/PlaYUVerToolsCmdParser.cpp
index a8d122c..bd09dfe 100644
--- a/tools/PlaYUVerToolsCmdParser.cpp
+++ b/tools/PlaYUVerToolsCmdParser.cpp
@@ -71,6 +71,7 @@ Int PlaYUVerToolsCmdParser::parseToolsArgs( Int argc, Char *argv[] )
   ( "size,s", m_strResolution, "size (WxH)" ) /**/
   ( "pel_fmt", m_strPelFmt, "pixel format" ) /**/
   ( "bits_pel", m_uiBitsPerPixel, "bits per pixel" ) /**/
+  ( "endianness", m_strEndianness, "File endianness (big, little)" ) /**/
   ( "frames,f", m_iFrames, "number of frames to parse" );
 
   Opts().addOptions()/**/
diff --git a/tools/PlaYUVerToolsCmdParser.h b/tools/PlaYUVerToolsCmdParser.h
index 93550cf..8a61bb1 100644
--- a/tools/PlaYUVerToolsCmdParser.h
+++ b/tools/PlaYUVerToolsCmdParser.h
@@ -78,6 +78,8 @@ private:
   std::string m_strResolution;
   std::string m_strPelFmt;
   UInt m_uiBitsPerPixel;
+  std::string m_strEndianness;
+  UInt m_uiEndianness;
   Bool m_bListPelFmts;
   Int64 m_iFrames;