Minor changes on functions names and variables

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 )