Use parent post title if possible

For SEO purposes it would be better to use parent post title, if available.
Made s small patch:
1) checks if parent post title is available and uses it instead;
2) is addition to “title” also replaces “Alt field”.
This two small changes make this plugin perfect for SEO.

function fmt_update_media_title($id) {

	$options = get_option('fmt_options');
	$cap_options = $options['rdo_cap_options'];

	$uploaded_post_id = get_post( $id );
	/* mod! */
	if ($uploaded_post_id->post_parent) {
    	$parent_post = get_post( $uploaded_post_id->post_parent );
    	$title = $parent_post->post_title;
    	if ($title && $parent_post->post_status!='auto-draft'){
        	$uploaded_post = array();
        	$uploaded_post['ID'] = $id;
        	$uploaded_post['post_title'] = $title;
        	wp_update_post( $uploaded_post );
    	    update_post_meta($id, '_wp_attachment_image_alt', $title);
    	    return true;
    	}
	}
	/* mod! */
	$title = $uploaded_post_id->post_title;

	/* Update post. */
	$char_array = array();
	if( isset($options['chk_hyphen']) && $options['chk_hyphen'] ) $char_array[] = '-';
	if( isset($options['chk_underscore']) && $options['chk_underscore'] ) $char_array[] = '_';
	if( isset($options['chk_period']) && $options['chk_period'] ) $char_array[] = '.';
	if( isset($options['chk_tilde']) && $options['chk_tilde'] ) $char_array[] = '~';
	if( isset($options['chk_plus']) && $options['chk_plus'] ) $char_array[] = '+';

	/* Replace chars with spaces, if any selected. */
	if( !empty($char_array) )
		$title = str_replace($char_array, ' ', $title );

	/* Trim multiple spaces between words. */
	$title = preg_replace("/\s+/", " ", $title);

	/* Capitalize Title. */
	switch ($cap_options) {
    case 'cap_all':
		$title = ucwords( $title );
        break;
    case 'cap_first':
		$title = ucfirst( strtolower( $title ) );
        break;
    case 'all_lower':
		$title = strtolower( $title );
        break;
    case 'all_upper':
		$title = strtoupper( $title );
        break;
    case 'dont_alter':
		/* Leave title as it is. */
        break;
	}

	// Update the post into the database
	$uploaded_post = array();
	$uploaded_post['ID'] = $id;
	$uploaded_post['post_title'] = $title;
	wp_update_post( $uploaded_post );
	update_post_meta($id, '_wp_attachment_image_alt', $title); // mod!
}

https://pastebin.com/nNpjCsPN

https://www.ads-software.com/extend/plugins/format-media-titles/