diff --git a/source/app/InputStream.cpp b/source/app/InputStream.cpp
index e9d0e80..6c7aab2 100755
--- a/source/app/InputStream.cpp
+++ b/source/app/InputStream.cpp
@@ -21,14 +21,19 @@
  * \brief    Input handling
  */
 
-#include <cstdio>
+#include "config.h"
 
+#include <cstdio>
 #include <QtDebug>
 
 #include "InputStream.h"
 #include "LibMemAlloc.h"
 #include "LibMemory.h"
 
+#ifdef USE_FFMPEG
+#include "LibAvContextHandle.h"
+#endif
+
 namespace plaYUVer
 {
 
@@ -142,13 +147,12 @@ Void InputStream::init( QString filename, UInt width, UInt height, Int input_for
   m_iFileFormat = YUVFormat;
   m_iPixelFormat = input_format;
 
-  m_cStreamInformationString = QString( "[" );
-
 #ifdef USE_FFMPEG
   if( QFileInfo( filename ).completeSuffix().compare( QString( "yuv" ) ) )
   {
     avStatus = m_cLibAvContext.initAvFormat( m_cFilename.toLocal8Bit().data(), m_uiWidth, m_uiHeight, m_iPixelFormat, m_uiFrameRate );
-    m_cStreamInformationString.append( QString::fromUtf8( m_cLibAvContext.getStreamInformation() ) );
+    m_cFormatName = QString::fromUtf8( m_cLibAvContext.getCodecName() );
+
     m_uiTotalFrameNum = 100;
   }
 #endif
@@ -181,15 +185,17 @@ Void InputStream::init( QString filename, UInt width, UInt height, Int input_for
     m_uiTotalFrameNum = ftell( m_pFile ) / ( frame_bytes_input );
     fseek( m_pFile, 0, SEEK_SET );
 
-    m_cStreamInformationString.append( QString::fromUtf8("rawvideo ") );
-  }
+    m_cFormatName = QString::fromUtf8("rawvideo ");
 
+  }
   if( !getMem1D<Pel>( &m_pInputBuffer, m_pcCurrFrame->getBytesPerFrame() ) )
   {
     //Error
     return;
   }
 
+  m_cStreamInformationString = QString( "[" );
+  m_cStreamInformationString.append( m_cFormatName );
   m_cStreamInformationString.append( QString("/ "));
   m_cStreamInformationString.append( PlaYUVerFrame::supportedPixelFormatList().at( m_iPixelFormat ) );
   m_cStreamInformationString.append( "] " );
@@ -304,7 +310,7 @@ cv::Mat InputStream::getFrameCvMat()
 
 Void InputStream::seekInput( Int new_frame_num )
 {
-  if( new_frame_num < 0 || new_frame_num >= m_uiTotalFrameNum )
+  if( new_frame_num < 0 || new_frame_num >= (Int)m_uiTotalFrameNum )
     return;
 #ifdef USE_FFMPEG
   if( m_cLibAvContext.getStatus() )
diff --git a/source/app/InputStream.h b/source/app/InputStream.h
index 7e92558..6b16451 100755
--- a/source/app/InputStream.h
+++ b/source/app/InputStream.h
@@ -64,6 +64,7 @@ private:
 #endif
 
   QString m_cFilename;
+  QString m_cFormatName;
   QString m_cStreamInformationString;
 
   FILE* m_pFile; /**< The input file pointer >*/
@@ -127,8 +128,12 @@ public:
     return m_cFilename;
   }
   QString getStreamInformationString()
+    {
+      return m_cStreamInformationString;
+    }
+  QString getFormatName()
   {
-    return m_cStreamInformationString;
+    return m_cFormatName;
   }
   UInt getFrameNum()
   {
diff --git a/source/app/TypeDef.h b/source/app/TypeDef.h
index f440fbc..3b45beb 100644
--- a/source/app/TypeDef.h
+++ b/source/app/TypeDef.h
@@ -124,17 +124,6 @@ enum InputStreamFormats
   NUMBER_FORMATS
 };
 
-const std::string gInputStreamFormatsNames[] =
-{
-    "YUV420p",
-    "YUV444p",
-    "YUV422p",
-    "YUV411p",
-    "YUV410p",
-    "GRAY",
-    "RGB8",
-};
-
 enum ColorSpace
 {
   COLOR_INVALID = -1,
diff --git a/source/lib/PlaYUVerFrame.cpp b/source/lib/PlaYUVerFrame.cpp
index 6bfd032..fa95f06 100755
--- a/source/lib/PlaYUVerFrame.cpp
+++ b/source/lib/PlaYUVerFrame.cpp
@@ -29,16 +29,6 @@
 namespace plaYUVer
 {
 
-QStringList PlaYUVerFrame::supportedPixelFormatList()
-{
-  QStringList formats;
-  for( Int i = 0; i < NUMBER_FORMATS; i++ )
-  {
-    formats.append(gInputStreamFormatsNames[i].data());
-  }
-  return formats;
-}
-
 PlaYUVerFrame::PlaYUVerFrame( UInt width, UInt height, Int pel_format )
 {
   m_pppcInputPel[0] = NULL;
diff --git a/source/lib/PlaYUVerFrame.h b/source/lib/PlaYUVerFrame.h
index 3ea455c..1cd1567 100755
--- a/source/lib/PlaYUVerFrame.h
+++ b/source/lib/PlaYUVerFrame.h
@@ -38,13 +38,46 @@ class QImage;
 namespace plaYUVer
 {
 
+
+static const QString gInputStreamFormatsNames[] =
+{
+    "YUV420p",
+    "YUV444p",
+    "YUV422p",
+    "YUV411p",
+    "YUV410p",
+    "GRAY",
+    "RGB8",
+};
+
 class PlaYUVerFrame
 {
 public:
   PlaYUVerFrame( UInt width, UInt height, Int pel_format );
   ~PlaYUVerFrame();
 
-  static QStringList supportedPixelFormatList();
+  enum PixelFormats
+  {
+    NO_FMT = -1,
+    YUV420p = 0,
+    YUV444p,
+    YUV422p,
+    YUV411p,
+    YUV410p,
+    GRAY,
+    RGB8,
+    NUMBER_FORMATS
+  };
+
+  static QStringList supportedPixelFormatList()
+  {
+    QStringList formats;
+    for( Int i = 0; i < NUMBER_FORMATS; i++ )
+    {
+      formats.append(gInputStreamFormatsNames[i]);
+    }
+    return formats;
+  }
 
   Void FrametoRGB8();
 
diff --git a/source/lib/ffmpeg/LibAvContextHandle.cpp b/source/lib/ffmpeg/LibAvContextHandle.cpp
index ac5416e..7f83ef0 100755
--- a/source/lib/ffmpeg/LibAvContextHandle.cpp
+++ b/source/lib/ffmpeg/LibAvContextHandle.cpp
@@ -153,7 +153,7 @@ Bool LibAvContextHandle::initAvFormat( char* filename, UInt& width, UInt& height
 
   const char *codec_name = avcodec_get_name(video_dec_ctx->codec_id);
 
-  sprintf(m_acStreamInformationString, "%s ", codec_name);
+  sprintf(m_acCodecName, "%s ", codec_name);
 
   Double fr = 30;
   if( video_stream->avg_frame_rate.den && video_stream->avg_frame_rate.num )
diff --git a/source/lib/ffmpeg/LibAvContextHandle.h b/source/lib/ffmpeg/LibAvContextHandle.h
index 4a35751..6d6905e 100755
--- a/source/lib/ffmpeg/LibAvContextHandle.h
+++ b/source/lib/ffmpeg/LibAvContextHandle.h
@@ -65,9 +65,9 @@ public:
   {
     return m_bHasStream;
   }
-  Char* getStreamInformation()
+  Char* getCodecName()
   {
-    return m_acStreamInformationString;
+    return m_acCodecName;
   }
 
   uint8_t *video_dst_data[4];
@@ -84,7 +84,7 @@ private:
 
   Bool m_bHasStream;
 
-  Char m_acStreamInformationString[20];
+  Char m_acCodecName[20];
 };
 
 }  // NAMESPACE