static mlt_consumer generate_consumer( mlt_consumer consumer, mlt_properties props, int index )
{
mlt_profile profile = NULL;
if ( mlt_properties_get( props, "mlt_profile" ) )
profile = mlt_profile_init( mlt_properties_get( props, "mlt_profile" ) );
if ( !profile )
profile = mlt_profile_clone( mlt_service_profile( MLT_CONSUMER_SERVICE(consumer) ) );
mlt_consumer nested = create_consumer( profile, mlt_properties_get( props, "mlt_service" ),
mlt_properties_get( props, "target" ) );
if ( nested )
{
mlt_properties properties = MLT_CONSUMER_PROPERTIES(consumer);
mlt_properties nested_props = MLT_CONSUMER_PROPERTIES(nested);
char key[30];
snprintf( key, sizeof(key), "%d.consumer", index );
mlt_properties_set_data( properties, key, nested, 0, (mlt_destructor) mlt_consumer_close, NULL );
snprintf( key, sizeof(key), "%d.profile", index );
mlt_properties_set_data( properties, key, profile, 0, (mlt_destructor) mlt_profile_close, NULL );
mlt_properties_set_int( nested_props, "put_mode", 1 );
mlt_properties_pass_list( nested_props, properties, "terminate_on_pause" );
mlt_properties_set( props, "consumer", NULL );
// set mlt_profile before other properties to facilitate presets
mlt_properties_pass_list( nested_props, props, "mlt_profile" );
mlt_properties_inherit( nested_props, props );
attach_normalisers( profile, MLT_CONSUMER_SERVICE(nested) );
// Relay the first available consumer-frame-show event
mlt_event event = mlt_properties_get_data( properties, "frame-show-event", NULL );
if ( !event )
{
event = mlt_events_listen( nested_props, properties, "consumer-frame-show", (mlt_listener) on_frame_show );
mlt_properties_set_data( properties, "frame-show-event", event, 0, /*mlt_event_close*/ NULL, NULL );
}
}
else
{
mlt_profile_close( profile );
}
return nested;
}
mlt_producer producer_loader_init( mlt_profile profile, mlt_service_type type, const char *id, char *arg )
{
// Create the producer
mlt_producer producer = NULL;
mlt_properties properties = NULL;
if ( arg != NULL )
producer = create_producer( profile, arg );
if ( producer != NULL )
properties = MLT_PRODUCER_PROPERTIES( producer );
// Attach filters if we have a producer and it isn't already xml'd :-)
if ( producer && strcmp( id, "abnormal" ) &&
mlt_properties_get( properties, "xml" ) == NULL &&
mlt_properties_get( properties, "_xml" ) == NULL &&
mlt_properties_get( properties, "loader_normalised" ) == NULL )
attach_normalisers( profile, producer );
if ( producer )
{
// Always let the image and audio be converted
int created = 0;
create_filter( profile, producer, "avcolor_space", &created );
if ( !created )
create_filter( profile, producer, "imageconvert", &created );
create_filter( profile, producer, "audioconvert", &created );
}
// Now make sure we don't lose our identity
if ( properties != NULL )
mlt_properties_set_int( properties, "_mlt_service_hidden", 1 );
// Return the producer
return producer;
}
