-        return auth_result
-
-    def construct_video_urls(self, data, video_id, _uuid, tvid):
-        def do_xor(x, y):
-            a = y % 3
-            if a == 1:
-                return x ^ 121
-            if a == 2:
-                return x ^ 72
-            return x ^ 103
-
-        def get_encode_code(l):
-            a = 0
-            b = l.split('-')
-            c = len(b)
-            s = ''
-            for i in range(c - 1, -1, -1):
-                a = do_xor(int(b[c - i - 1], 16), i)
-                s += chr(a)
-            return s[::-1]
-
-        def get_path_key(x, format_id, segment_index):
-            mg = ')(*&^flash@#$%a'
-            tm = self._download_json(
-                'http://data.video.qiyi.com/t?tn=' + str(random.random()), video_id,
-                note='Download path key of segment %d for format %s' % (segment_index + 1, format_id)
-            )['t']
-            t = str(int(math.floor(int(tm) / (600.0))))
-            return md5_text(t + mg + x)
-
-        video_urls_dict = {}
-        need_vip_warning_report = True
-        for format_item in data['vp']['tkl'][0]['vs']:
-            if 0 < int(format_item['bid']) <= 10:
-                format_id = self.get_format(format_item['bid'])
-            else:
-                continue
-
-            video_urls = []
-
-            video_urls_info = format_item['fs']
-            if not format_item['fs'][0]['l'].startswith('/'):
-                t = get_encode_code(format_item['fs'][0]['l'])
-                if t.endswith('mp4'):
-                    video_urls_info = format_item['flvs']
-
-            for segment_index, segment in enumerate(video_urls_info):
-                vl = segment['l']
-                if not vl.startswith('/'):
-                    vl = get_encode_code(vl)
-                is_vip_video = '/vip/' in vl
-                filesize = segment['b']
-                base_url = data['vp']['du'].split('/')
-                if not is_vip_video:
-                    key = get_path_key(
-                        vl.split('/')[-1].split('.')[0], format_id, segment_index)
-                    base_url.insert(-1, key)
-                base_url = '/'.join(base_url)
-                param = {
-                    'su': _uuid,
-                    'qyid': uuid.uuid4().hex,
-                    'client': '',
-                    'z': '',
-                    'bt': '',
-                    'ct': '',
-                    'tn': str(int(time.time()))
-                }
-                api_video_url = base_url + vl
-                if is_vip_video:
-                    api_video_url = api_video_url.replace('.f4v', '.hml')
-                    auth_result = self._authenticate_vip_video(
-                        api_video_url, video_id, tvid, _uuid, need_vip_warning_report)
-                    if auth_result is False:
-                        need_vip_warning_report = False
-                        break
-                    param.update({
-                        't': auth_result['data']['t'],
-                        # cid is hard-coded in com/qiyi/player/core/player/RuntimeData.as
-                        'cid': 'afbe8fd3d73448c9',
-                        'vid': video_id,
-                        'QY00001': auth_result['data']['u'],
-                    })
-                api_video_url += '?' if '?' not in api_video_url else '&'
-                api_video_url += compat_urllib_parse.urlencode(param)
-                js = self._download_json(
-                    api_video_url, video_id,
-                    note='Download video info of segment %d for format %s' % (segment_index + 1, format_id))
-                video_url = js['l']
-                video_urls.append(
-                    (video_url, filesize))
-
-            video_urls_dict[format_id] = video_urls
-        return video_urls_dict
-
-    def get_format(self, bid):
-        matched_format_ids = [_format_id for _bid, _format_id in self._FORMATS_MAP if _bid == str(bid)]
-        return matched_format_ids[0] if len(matched_format_ids) else None
-
-    def get_bid(self, format_id):
-        matched_bids = [_bid for _bid, _format_id in self._FORMATS_MAP if _format_id == format_id]
-        return matched_bids[0] if len(matched_bids) else None
-
-    def get_raw_data(self, tvid, video_id, enc_key, _uuid):
-        tm = str(int(time.time()))
-        tail = tm + tvid
-        param = {
-            'key': 'fvip',
-            'src': md5_text('youtube-dl'),
-            'tvId': tvid,