Add conditional check before applying watermark on rtMedia uploads

functions.php

<?php

// IMPORTANT
// Before using this gist code, make sure you have added this code - https://gist.github.com/pranali333/085e312f18fc2b9bd7333f8c17b56630

add_action( 'init', 'pre_watermark_condition', 11 );

function pre_watermark_condition() {
	if ( isset( $_POST['unique_hidden_field'] ) ) {
		if ( Media is free ){
			// Remove action to apply watermark
			remove_class_action( 'rtemdia_after_file_upload_before_activity','RTMediaWatermark', 'load_filter', 10 );
		}
	}
}