diff --git a/src/AvTranscoder/transcoder/Transcoder.cpp b/src/AvTranscoder/transcoder/Transcoder.cpp
index ba5b1546..54407c2c 100644
--- a/src/AvTranscoder/transcoder/Transcoder.cpp
+++ b/src/AvTranscoder/transcoder/Transcoder.cpp
@@ -17,6 +17,7 @@ Transcoder::Transcoder( OutputFile& outputFile )
 	, _outputFps( 25 )
 	, _finalisedStreams( 0 )
 	, _eProcessMethod ( eProcessMethodLongest )
+	, _mainStreamIndex( 0 )
 	, _verbose( false )
 {
 	_outputFile.setup();
@@ -275,6 +276,9 @@ void Transcoder::process( IProgress& progress )
 		case eProcessMethodLongest :
 			totalDuration = getMaxTotalDuration();
 			break;
+		case eProcessMethodBasedOnStream :
+			totalDuration = getStreamDuration( _mainStreamIndex );
+			break;
 		case eProcessMethodInfinity :
 			totalDuration = std::numeric_limits<double>::max();
 			break;
@@ -304,9 +308,10 @@ void Transcoder::process( IProgress& progress )
 	_outputFile.endWrap();
 }
 
-void Transcoder::setProcessMethod( const EProcessMethod eProcessMethod )
+void Transcoder::setProcessMethod( const EProcessMethod eProcessMethod, const size_t indexBasedStream )
 {
 	_eProcessMethod	= eProcessMethod;
+	_mainStreamIndex = indexBasedStream;
 
 	for( size_t i = 0; i < _streamTranscoders.size(); ++i )
 	{
@@ -324,6 +329,12 @@ void Transcoder::setProcessMethod( const EProcessMethod eProcessMethod )
 				else
 					_streamTranscoders.at( i )->setInfinityStream( true );
 				break;
+			case eProcessMethodBasedOnStream :
+				if( i != _mainStreamIndex )
+					_streamTranscoders.at( i )->setInfinityStream( true );
+				else
+					_streamTranscoders.at( i )->setInfinityStream( false );
+				break;
 			case eProcessMethodInfinity :
 				_streamTranscoders.at( i )->setInfinityStream( true );
 				break;
@@ -447,13 +458,18 @@ InputFile* Transcoder::addInputFile( const std::string& filename, const size_t s
 	return referenceFile;
 }
 
+double Transcoder::getStreamDuration( size_t indexStream ) const
+{
+	return _streamTranscoders.at( indexStream )->getDuration();
+}
+
 double Transcoder::getMinTotalDuration() const
 {
 	double minTotalDuration = std::numeric_limits<double>::max();
 	
 	for( size_t i = 0; i < _streamTranscoders.size(); ++i )
 	{
-		minTotalDuration = std::min( _streamTranscoders.at( i )->getDuration(), minTotalDuration );
+		minTotalDuration = std::min( getStreamDuration( i ), minTotalDuration );
 	}
 	return minTotalDuration;
 }
@@ -464,7 +480,7 @@ double Transcoder::getMaxTotalDuration() const
 	
 	for( size_t i = 0; i < _streamTranscoders.size(); ++i )
 	{
-		maxTotalDuration = std::max( _streamTranscoders.at( i )->getDuration(), maxTotalDuration );
+		maxTotalDuration = std::max( getStreamDuration( i ), maxTotalDuration );
 	}
 	return maxTotalDuration;
 }
diff --git a/src/AvTranscoder/transcoder/Transcoder.hpp b/src/AvTranscoder/transcoder/Transcoder.hpp
index b1c77005..574ba615 100644
--- a/src/AvTranscoder/transcoder/Transcoder.hpp
+++ b/src/AvTranscoder/transcoder/Transcoder.hpp
@@ -27,12 +27,14 @@ namespace avtranscoder
  * @brief: Enum to set a policy of how we manage the transcode in case of several streams.
  * eProcessMethodShortest: stop transcode at the end of the shortest stream.
  * eProcessMethodLongest: stop transcode at the end of the longest stream (default method).
+ * eProcessMethodBasedOnStream: stop transcode at the end of an indicated stream (@see _indexBasedStream).
  * eProcessMethodInfinity: stop transcode by outside of avTranscoder.
  */
 enum EProcessMethod
 {
 	eProcessMethodShortest = 0,
 	eProcessMethodLongest,
+	eProcessMethodBasedOnStream,
 	eProcessMethodInfinity,
 };
 
@@ -116,8 +118,9 @@ class Transcoder
 	/**
 	 * @brief Set the transcodage politic.
 	 * @note If you call it before adding the streams, the process will stop at the end of the shortest stream.
+	 * @param indexBasedStream: in case of process method eProcessMethodBasedOnStream, stop transcode at the end of the indicated stream.
 	 */
-	void setProcessMethod( const EProcessMethod eProcessMethod );
+	void setProcessMethod( const EProcessMethod eProcessMethod, const size_t indexBasedStream = 0 );
 
 	/**
 	 * @brief Set verbose mode for the Transcoder and his streams.
@@ -139,9 +142,14 @@ class Transcoder
 
 	InputFile* addInputFile( const std::string& filename, const size_t streamIndex );
 
+	/**
+	 * @brief Get the duration of the stream.
+	 */
+	double getStreamDuration( size_t indexStream ) const;
+
 	/**
 	* @brief Get the duration of the shortest stream.
-	 * @note if there is only generated streams, return limit of double.
+	* @note if there is only generated streams, return limit of double.
 	*/
 	double getMinTotalDuration() const;
 
@@ -168,6 +176,8 @@ class Transcoder
 	size_t _finalisedStreams;
 	EProcessMethod _eProcessMethod;
 
+	size_t _mainStreamIndex;  ///< Index of stream used to stop the process of transcode in case of eProcessMethodBasedOnStream.
+
 	bool    _verbose;
 };