var fix_hls_url = function(bad_url){
        var before = bad_url.substr(0, bad_url.indexOf("?") + 1),
            after = bad_url.substr(bad_url.indexOf("?") + 1),
            param_parts = after.split("&"),
            param_part,
            fixed_after = [],
            fixed_url,
            equals_position,
            key,
            value,
            fix_component = function(component){
                return encodeURIComponent(component)
                                .replace(/~/g, '%7E')
                                .replace(/\*/g, '%2A')
                                .replace(/\//g, '%2F');
            };

        for(var i = 0; i < param_parts.length; i++){
            param_part = param_parts[i];
            equals_position = param_part.indexOf("=");
            if(equals_position < -1){
                fixed_after.push(param_part);
            } else {
                key = decodeURIComponent(param_part.substr(0, equals_position));
                value = decodeURIComponent(param_part.substr(equals_position + 1));
                fixed_after.push(fix_component(key) + "=" + fix_component(value));
            }
        }

        return before + fixed_after.join("&");
    };