pixbuf, composite and fezzik mirrors

[melted] / src / framework / mlt_properties.c

diff --git a/src/framework/mlt_properties.c b/src/framework/mlt_properties.c
index be4d66f..27f4a27 100644 (file)
--- a/src/framework/mlt_properties.c
+++ b/src/framework/mlt_properties.c
@@ -72,6 +72,30 @@ mlt_properties mlt_properties_new( )
        return this;
 }
 
+/** Special case - when a container (such as fezzik) is protecting another 
+       producer, we need to ensure that properties are passed through to the
+       real producer.
+*/
+
+static void mlt_properties_do_mirror( mlt_properties this, char *name )
+{
+       mlt_properties mirror = mlt_properties_get_data( this, "mlt_mirror", NULL );
+       if ( mirror != NULL )
+       {
+               char *value = mlt_properties_get( this, name );
+               if ( value != NULL )
+                       mlt_properties_set( mirror, name, value );
+       }
+}
+
+/** Allow the specification of a mirror.
+*/
+
+void mlt_properties_mirror( mlt_properties this, mlt_properties that )
+{
+       mlt_properties_set_data( this, "mlt_mirror", that, 0, NULL, NULL );
+}
+
 /** Inherit all serialisable properties from that into this.
 */
 
@@ -158,7 +182,10 @@ int mlt_properties_set( mlt_properties this, char *name, char *value )
 
        // Set it if not NULL
        if ( property != NULL )
+       {
                error = mlt_property_set_string( property, value );
+               mlt_properties_do_mirror( this, name );
+       }
 
        return error;
 }
@@ -251,7 +278,10 @@ int mlt_properties_set_int( mlt_properties this, char *name, int value )
 
        // Set it if not NULL
        if ( property != NULL )
+       {
                error = mlt_property_set_int( property, value );
+               mlt_properties_do_mirror( this, name );
+       }
 
        return error;
 }
@@ -277,7 +307,10 @@ int mlt_properties_set_double( mlt_properties this, char *name, double value )
 
        // Set it if not NULL
        if ( property != NULL )
+       {
                error = mlt_property_set_double( property, value );
+               mlt_properties_do_mirror( this, name );
+       }
 
        return error;
 }
@@ -303,7 +336,10 @@ int mlt_properties_set_position( mlt_properties this, char *name, mlt_position v
 
        // Set it if not NULL
        if ( property != NULL )
+       {
                error = mlt_property_set_position( property, value );
+               mlt_properties_do_mirror( this, name );
+       }
 
        return error;
 }