static void setup_jack_transport( mlt_consumer consumer, mlt_profile profile )
{
mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
mlt_filter jack = mlt_factory_filter( profile, "jackrack", NULL );
mlt_properties jack_properties = MLT_FILTER_PROPERTIES(jack);
mlt_service_attach( MLT_CONSUMER_SERVICE(consumer), jack );
mlt_properties_set_int( properties, "audio_off", 1 );
mlt_properties_set_data( properties, "jack_filter", jack, 0, (mlt_destructor) mlt_filter_close, NULL );
// mlt_properties_set( jack_properties, "out_1", "system:playback_1" );
// mlt_properties_set( jack_properties, "out_2", "system:playback_2" );
mlt_events_listen( jack_properties, consumer, "jack-started", (mlt_listener) on_jack_started );
mlt_events_listen( jack_properties, consumer, "jack-stopped", (mlt_listener) on_jack_stopped );
}
static void create_filter( mlt_profile profile, mlt_service service, char *effect, int *created )
{
char *id = strdup( effect );
char *arg = strchr( id, ':' );
if ( arg != NULL )
*arg ++ = '\0';
// The swscale and avcolor_space filters require resolution as arg to test compatibility
if ( strncmp( effect, "swscale", 7 ) == 0 || strncmp( effect, "avcolo", 6 ) == 0 )
arg = (char*) mlt_properties_get_int( MLT_SERVICE_PROPERTIES( service ), "meta.media.width" );
mlt_filter filter = mlt_factory_filter( profile, id, arg );
if ( filter != NULL )
{
mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_loader", 1 );
mlt_service_attach( service, filter );
mlt_filter_close( filter );
*created = 1;
}
free( id );
}
int mlt_producer_attach( mlt_producer self, mlt_filter filter )
{
return mlt_service_attach( MLT_PRODUCER_SERVICE( self ), filter );
}
