X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=mlt%2B%2B%2FCUSTOMISING;h=7fdce7f0c9439276079f314aa9ee6e4c35cbbf3c;hb=e6e1b9178bb65857ac64fdd866436abbf6db284b;hp=224877565b14a2489abb8f644b7bfb54f84c2565;hpb=af15cd486562602a829a4082863e85afbb3f6986;p=melted

diff --git a/mlt++/CUSTOMISING b/mlt++/CUSTOMISING
index 2248775..7fdce7f 100644
--- a/mlt++/CUSTOMISING
+++ b/mlt++/CUSTOMISING
@@ -181,8 +181,8 @@ ACCESSING UNIT PROPERTIES
 
 	You can extract the objects using:
 
-		Playlist playlist( ( mlt_playlist )( unit( i )->get_data( "playlist", NULL ) ) );
-		Consumer consumer( ( mlt_consumer )( unit( i )->get_data( "consumer", NULL ) ) );
+		Playlist playlist( ( mlt_playlist )( unit( i )->get_data( "playlist" ) ) );
+		Consumer consumer( ( mlt_consumer )( unit( i )->get_data( "consumer" ) ) );
 	
 	and use the standard MLT++ wrapping methods to interact with them or you can 
 	bypass these and using the C API directly.
@@ -266,8 +266,7 @@ HANDLING PUSHED DOCUMENTS
 
 		Response *push( char *command, Service *service )
 		{
-			int size;
-			Playlist playlist( ( mlt_playlist )( unit( 0 )->get_data( "playlist", size ) ) );
+			Playlist playlist( ( mlt_playlist )( unit( 0 )->get_data( "playlist" ) ) );
 			Producer producer( *service );
 			if ( producer.is_valid( ) && playlist.is_valid( ) )
 			{
@@ -321,7 +320,33 @@ OTHER MANIPULATIONS
 	manipulated in the push method - for example, to remove a track from the 
 	output, we could do something like:
 
-	TBD
+		Response *push( char *command, Service *service )
+		{
+			Playlist playlist( ( mlt_playlist )( unit( 0 )->get_data( "playlist" ) ) );
+			Tractor *tractor( *service );
+			if ( tractor.is_valid( ) && playlist.is_valid( ) )
+			{
+				// Remove track 2 (NB: tracks are indexed from 0 like everything else)
+				Producer *producer = tractor.track( 2 );
+				Playlist track( producer );
+
+				// If we have a valid track then hide video and audio
+				// This is a bit pattern - 1 is video, 2 is audio
+				if ( track.is_valid( ) )
+					track.set( "hide", 3 );
+
+				// You need to delete the reference to the playlist producer here
+				delete producer;
+
+				// Play it
+				playlist.lock( );
+				playlist.clear( );
+				playlist.append( producer );
+				playlist.unlock( );
+				return new Response( 200, "OK" );
+			}
+			return new Response( 400, "Invalid" );
+		}
 
 
 EVENT HANDLING
@@ -331,7 +356,7 @@ EVENT HANDLING
 	on 'consumer-frame-render' - this event is fired immediately before a frame
 	is rendered.
 
-	TBD
+	See example in test/server.cpp
 
 
 DISABLING DVCP