mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-12-28 01:41:06 +00:00
add96eb9f8
Authored by: seproDev Reviewed-by: bashonly <88596187+bashonly@users.noreply.github.com> Reviewed-by: Simon Sawicki <contact@grub4k.xyz>
140 lines
5.3 KiB
Python
140 lines
5.3 KiB
Python
import json
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import threading
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import time
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from . import get_suitable_downloader
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from .common import FileDownloader
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from .external import FFmpegFD
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from ..networking import Request
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from ..utils import DownloadError, str_or_none, try_get
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class NiconicoDmcFD(FileDownloader):
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""" Downloading niconico douga from DMC with heartbeat """
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def real_download(self, filename, info_dict):
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from ..extractor.niconico import NiconicoIE
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self.to_screen(f'[{self.FD_NAME}] Downloading from DMC')
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ie = NiconicoIE(self.ydl)
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info_dict, heartbeat_info_dict = ie._get_heartbeat_info(info_dict)
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fd = get_suitable_downloader(info_dict, params=self.params)(self.ydl, self.params)
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success = download_complete = False
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timer = [None]
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heartbeat_lock = threading.Lock()
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heartbeat_url = heartbeat_info_dict['url']
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heartbeat_data = heartbeat_info_dict['data'].encode()
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heartbeat_interval = heartbeat_info_dict.get('interval', 30)
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request = Request(heartbeat_url, heartbeat_data)
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def heartbeat():
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try:
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self.ydl.urlopen(request).read()
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except Exception:
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self.to_screen(f'[{self.FD_NAME}] Heartbeat failed')
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with heartbeat_lock:
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if not download_complete:
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timer[0] = threading.Timer(heartbeat_interval, heartbeat)
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timer[0].start()
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heartbeat_info_dict['ping']()
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self.to_screen('[%s] Heartbeat with %d second interval ...' % (self.FD_NAME, heartbeat_interval))
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try:
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heartbeat()
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if type(fd).__name__ == 'HlsFD':
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info_dict.update(ie._extract_m3u8_formats(info_dict['url'], info_dict['id'])[0])
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success = fd.real_download(filename, info_dict)
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finally:
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if heartbeat_lock:
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with heartbeat_lock:
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timer[0].cancel()
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download_complete = True
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return success
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class NiconicoLiveFD(FileDownloader):
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""" Downloads niconico live without being stopped """
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def real_download(self, filename, info_dict):
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video_id = info_dict['video_id']
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ws_url = info_dict['url']
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ws_extractor = info_dict['ws']
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ws_origin_host = info_dict['origin']
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live_quality = info_dict.get('live_quality', 'high')
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live_latency = info_dict.get('live_latency', 'high')
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dl = FFmpegFD(self.ydl, self.params or {})
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new_info_dict = info_dict.copy()
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new_info_dict.update({
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'protocol': 'm3u8',
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})
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def communicate_ws(reconnect):
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if reconnect:
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ws = self.ydl.urlopen(Request(ws_url, headers={'Origin': f'https://{ws_origin_host}'}))
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if self.ydl.params.get('verbose', False):
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self.to_screen('[debug] Sending startWatching request')
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ws.send(json.dumps({
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'type': 'startWatching',
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'data': {
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'stream': {
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'quality': live_quality,
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'protocol': 'hls+fmp4',
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'latency': live_latency,
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'chasePlay': False,
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},
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'room': {
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'protocol': 'webSocket',
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'commentable': True,
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},
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'reconnect': True,
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},
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}))
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else:
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ws = ws_extractor
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with ws:
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while True:
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recv = ws.recv()
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if not recv:
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continue
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data = json.loads(recv)
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if not data or not isinstance(data, dict):
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continue
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if data.get('type') == 'ping':
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# pong back
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ws.send(r'{"type":"pong"}')
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ws.send(r'{"type":"keepSeat"}')
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elif data.get('type') == 'disconnect':
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self.write_debug(data)
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return True
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elif data.get('type') == 'error':
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self.write_debug(data)
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message = try_get(data, lambda x: x['body']['code'], str) or recv
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return DownloadError(message)
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elif self.ydl.params.get('verbose', False):
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if len(recv) > 100:
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recv = recv[:100] + '...'
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self.to_screen(f'[debug] Server said: {recv}')
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def ws_main():
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reconnect = False
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while True:
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try:
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ret = communicate_ws(reconnect)
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if ret is True:
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return
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except BaseException as e:
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self.to_screen('[{}] {}: Connection error occured, reconnecting after 10 seconds: {}'.format('niconico:live', video_id, str_or_none(e)))
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time.sleep(10)
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continue
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finally:
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reconnect = True
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thread = threading.Thread(target=ws_main, daemon=True)
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thread.start()
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return dl.download(filename, new_info_dict)
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