add support for multiple -consumer arguments

diff --git a/src/melt/melt.c b/src/melt/melt.c
index 2c16863396cf7927d6a794b7ebf1c40c4e89b3b1..e8b06e749439d3345927ccf8a0c1c8978fbf7d5b 100644 (file)
--- a/src/melt/melt.c
+++ b/src/melt/melt.c
@@ -262,7 +262,38 @@ static mlt_consumer create_consumer( mlt_profile profile, char *id )
 static void load_consumer( mlt_consumer *consumer, mlt_profile profile, int argc, char **argv )
 {
        int i;
+       int multi = 0;
+
        for ( i = 1; i < argc; i ++ )
+               multi += !strcmp( argv[ i ], "-consumer" );
+
+       if ( multi )
+       {
+               // If there is more than one -consumer use the 'multi' consumer.
+               int k = 0;
+               char key[20];
+
+               if ( *consumer )
+                       mlt_consumer_close( *consumer );
+               *consumer = create_consumer( profile, "multi" );
+               mlt_properties properties = MLT_CONSUMER_PROPERTIES( *consumer );
+               for ( i = 1; i < argc; i ++ )
+               {
+                       if ( !strcmp( argv[ i ], "-consumer" ) )
+                       {
+                               // Create a properties object for each sub-consumer
+                               mlt_properties new_props = mlt_properties_new();
+                               snprintf( key, sizeof(key), "%d", k++ );
+                               mlt_properties_set_data( properties, key, new_props, 0,
+                                       (mlt_destructor) mlt_properties_close, NULL );
+                               mlt_properties_set( new_props, "consumer", argv[ ++i ] );
+                               while ( argv[ i + 1 ] != NULL && strstr( argv[ i + 1 ], "=" ) )
+                                       mlt_properties_parse( new_props, argv[ ++ i ] );
+                               mlt_properties_dump( new_props, stderr );
+                       }
+               }
+       }
+       else for ( i = 1; i < argc; i ++ )
        {
                if ( !strcmp( argv[ i ], "-consumer" ) )
                {