#ifdef SOX14
//fprintf(stderr, "%s: effect %s count %d\n", __FUNCTION__, tokeniser->tokens[0], tokeniser->count );
#if (ST_LIB_VERSION_CODE >= ST_LIB_VERSION(14,1,0))
- eff_t eff = sox_create_effect( sox_find_effect( tokeniser->tokens[0] ) );
+ sox_effect_handler_t const *eff_handle = sox_find_effect( tokeniser->tokens[0] );
+ if (eff_handle == NULL ) return error;
+ eff_t eff = sox_create_effect( eff_handle );
effect_destructor = ( mlt_destructor ) delete_effect;
sox_encodinginfo_t *enc = calloc( 1, sizeof( sox_encodinginfo_t ) );
enc->encoding = SOX_ENCODING_SIGN2;