void SingleResourceLoader::parse_filters() throw (Exception)
{
json_t* ja = json_object_get(defines_tmp.h, "effects");
if (!ja || !json_is_array(ja) || !json_array_size(ja) ) return;
int aze = json_array_size(ja);
for ( int i=0; i<aze; i++ ) {
json_t* jae = json_array_get(ja, i);
mlt_filter filter = get_filter(jae);
mlt_producer_attach(producer_tmp, filter);
}
}
static void create_filter( mlt_profile profile, mlt_producer producer, 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_PRODUCER_PROPERTIES( producer ), "_real_width" );
mlt_filter filter = mlt_factory_filter( profile, id, arg );
if ( filter != NULL )
{
mlt_properties_set_int( MLT_FILTER_PROPERTIES( filter ), "_loader", 1 );
mlt_producer_attach( producer, filter );
mlt_filter_close( filter );
*created = 1;
}
free( id );
}
