diff --git a/src/AvTranscoder/OptionLoader.cpp b/src/AvTranscoder/OptionLoader.cpp
index 53630c91..00867a01 100644
--- a/src/AvTranscoder/OptionLoader.cpp
+++ b/src/AvTranscoder/OptionLoader.cpp
@@ -65,11 +65,11 @@ OptionLoader::OptionLoader()
 	AVCodec* c = NULL;
 	while( ( c = av_codec_next( c ) ) != NULL )
 	{
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 53, 34, 0 )
-		if( ! c->encode2 )
+#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 53, 34, 0 )
+		if( ! c->encode )
 			continue;
 #else
-		if( ! c->encode )
+		if( ! c->encode2 )
 			continue;
 #endif
 		switch( c->type )
@@ -153,10 +153,10 @@ OptionLoader::OptionMap OptionLoader::loadVideoCodecOptions()
 	// iterate on codecs
 	while( _codec )
 	{
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 53, 34, 0 )
-		if( _codec->encode2 )
-#else
+#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 53, 34, 0 )
 		if( _codec->encode )
+#else
+		if( _codec->encode2 )
 #endif
 		{
 			// add only video codec
@@ -189,10 +189,10 @@ OptionLoader::OptionMap OptionLoader::loadAudioCodecOptions()
 	// iterate on codecs
 	while( _codec )
 	{
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 53, 34, 0 )
-		if( _codec->encode2 )
-#else
+#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 53, 34, 0 )
 		if( _codec->encode )
+#else
+		if( _codec->encode2 )
 #endif
 		{
 			// add only audio codec
@@ -276,7 +276,7 @@ OptionLoader::OptionArray OptionLoader::loadOptions( void* av_class, int req_fla
 	return options;
 }
 
-std::vector<std::string> OptionLoader::getPixelFormats ( const std::string& videoCodecName ) const
+std::vector<std::string> OptionLoader::getPixelFormats( const std::string& videoCodecName ) const
 {
 	std::vector<std::string> pixelFormats;
 	
@@ -284,7 +284,13 @@ std::vector<std::string> OptionLoader::getPixelFormats ( const std::string& vide
 	if( videoCodecName == "" )
 	{
 		const AVPixFmtDescriptor* pixFmtDesc = NULL; 
+
+#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT( 51, 44, 0 )
+		for( int pix_fmt = 0; pix_fmt < PIX_FMT_NB; ++pix_fmt )
+			pixFmtDesc = &av_pix_fmt_descriptors[pix_fmt];
+#else
 		while( ( pixFmtDesc = av_pix_fmt_desc_next( pixFmtDesc ) ) != NULL )
+#endif
 		{
 			if( ! pixFmtDesc->name )
 				continue;
@@ -301,7 +307,11 @@ std::vector<std::string> OptionLoader::getPixelFormats ( const std::string& vide
 			size_t pix_fmt = 0;
 			while( videoCodec->pix_fmts[pix_fmt] != -1 )
 			{
+#if LIBAVUTIL_VERSION_INT < AV_VERSION_INT( 51, 44, 0 )
+				const AVPixFmtDescriptor* pix_desc = &av_pix_fmt_descriptors[ videoCodec->pix_fmts[pix_fmt] ];
+#else
 				const AVPixFmtDescriptor* pix_desc = av_pix_fmt_desc_get( videoCodec->pix_fmts[pix_fmt] );
+#endif
 				if( ! pix_desc->name )
 					continue;
 				pixelFormats.push_back( std::string( pix_desc->name ) );