From caa3ad0c7c7cece4045e78484e0c7724706a01e3 Mon Sep 17 00:00:00 2001
From: lilo_booter <lilo_booter@d19143bc-622f-0410-bfdd-b5b2a6649095>
Date: Sat, 28 Aug 2004 07:06:02 +0000
Subject: [PATCH] Producer filter extraction method

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt++@392 d19143bc-622f-0410-bfdd-b5b2a6649095
---
 mlt++/src/MltPlaylist.cpp |    6 ++++++
 mlt++/src/MltPlaylist.h   |    1 +
 mlt++/src/MltProducer.cpp |    5 +++++
 mlt++/src/MltProducer.h   |    1 +
 mlt++/swig/mltpp.i        |    1 +
 5 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/mlt++/src/MltPlaylist.cpp b/mlt++/src/MltPlaylist.cpp
index 15c27b3..f81fd6e 100644
--- a/mlt++/src/MltPlaylist.cpp
+++ b/mlt++/src/MltPlaylist.cpp
@@ -56,6 +56,12 @@ Playlist::Playlist( Playlist &playlist ) :
 	inc_ref( );
 }
 
+Playlist::Playlist( Producer &producer ) :
+	instance( (mlt_playlist )producer.get_producer( ) )
+{
+	inc_ref( );
+}
+
 Playlist::Playlist( mlt_playlist playlist ) :
 	instance( playlist )
 {
diff --git a/mlt++/src/MltPlaylist.h b/mlt++/src/MltPlaylist.h
index 2bab978..904f6cd 100644
--- a/mlt++/src/MltPlaylist.h
+++ b/mlt++/src/MltPlaylist.h
@@ -56,6 +56,7 @@ namespace Mlt
 			Playlist( );
 			Playlist( Playlist &playlist );
 			Playlist( mlt_playlist playlist );
+			Playlist( Producer &producer );
 			virtual ~Playlist( );
 			virtual mlt_playlist get_playlist( );
 			mlt_producer get_producer( );
diff --git a/mlt++/src/MltProducer.cpp b/mlt++/src/MltProducer.cpp
index 9aa27da..a12c1da 100644
--- a/mlt++/src/MltProducer.cpp
+++ b/mlt++/src/MltProducer.cpp
@@ -127,3 +127,8 @@ int Producer::detach( Filter &filter )
 {
 	return mlt_producer_detach( get_producer( ), filter.get_filter( ) );
 }
+
+Filter *Producer::filter( int index )
+{
+	return new Filter( mlt_producer_filter( get_producer( ), index ) );
+}
diff --git a/mlt++/src/MltProducer.h b/mlt++/src/MltProducer.h
index ade287c..3c85fd9 100644
--- a/mlt++/src/MltProducer.h
+++ b/mlt++/src/MltProducer.h
@@ -55,6 +55,7 @@ namespace Mlt
 			int get_playtime( );
 			int attach( Filter &filter );
 			int detach( Filter &filter );
+			Filter *filter( int index );
 	};
 }
 
diff --git a/mlt++/swig/mltpp.i b/mlt++/swig/mltpp.i
index c14529f..b06d829 100644
--- a/mlt++/swig/mltpp.i
+++ b/mlt++/swig/mltpp.i
@@ -37,6 +37,7 @@ namespace Mlt {
 %newobject Service::producer( );
 %newobject Service::consumer( );
 %newobject Service::get_frame( int );
+%newobject Producer::filter( int );
 %newobject Playlist::current( );
 %newobject Playlist::clip_info( int );
 }
-- 
1.7.4.4