mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-23 11:31:29 +01:00
Fix formats sorting; simplify m3u8 extraction in downloader; clean code
This commit is contained in:
Mozi
parent
52d9594ea6
commit
06bd726ab3
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@ -15,7 +15,6 @@
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RetryManager,
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str_or_none,
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traverse_obj,
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try_get,
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urljoin,
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)
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@ -78,6 +77,7 @@ def _ws_context(self, info_dict):
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""" Hold a WebSocket object and release it when leaving """
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video_id = info_dict['id']
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format_id = info_dict['format_id']
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live_latency = info_dict['downloader_options']['live_latency']
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ws_url = info_dict['downloader_options']['ws_url']
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@ -89,12 +89,12 @@ def _ws_context(self, info_dict):
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def communicate_ws():
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self.ws = self.ydl.urlopen(Request(ws_url, headers=info_dict.get('http_headers')))
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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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self.write_debug('Sending HLS server request')
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self.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': 'abr',
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'quality': format_id,
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'protocol': 'hls',
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'latency': live_latency,
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'chasePlay': False,
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@ -103,7 +103,6 @@ def communicate_ws():
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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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with self.ws:
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@ -112,7 +111,7 @@ def communicate_ws():
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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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if 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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@ -126,12 +125,12 @@ def communicate_ws():
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return
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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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message = traverse_obj(data, ('data', 'code')) or recv
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raise 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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self.write_debug(f'Server said: {recv}')
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stopped = threading.Event()
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@ -146,7 +145,8 @@ def ws_main():
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self.m3u8_lock.clear() # m3u8 url may be changed
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self.to_screen('[{}] {}: Connection error occured, reconnecting after {} seconds: {}'.format('niconico:live', video_id, self._WEBSOCKET_RECONNECT_DELAY, str_or_none(e)))
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self.to_screen('[{}] {}: Connection error occured, reconnecting after {} seconds: {}'.format(
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'niconico:live', video_id, self._WEBSOCKET_RECONNECT_DELAY, str_or_none(e)))
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time.sleep(self._WEBSOCKET_RECONNECT_DELAY)
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self.m3u8_lock.set() # Release possible locks
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@ -181,7 +181,6 @@ def real_download(self, filename, info_dict):
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ie = NiconicoIE(self.ydl)
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video_id = info_dict['id']
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format_index = next((i for i, fmt in enumerate(info_dict['formats']) if fmt['format_id'] == info_dict['format_id']))
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# Get video info
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total_duration = 0
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@ -209,13 +208,10 @@ def real_download(self, filename, info_dict):
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retry_manager = RetryManager(self.params.get('fragment_retries'), self.report_retry)
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for retry in retry_manager:
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try:
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# Refresh master m3u8 (if possible) and get the url of the previously-chose format
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master_m3u8_url = ws_context._master_m3u8_url()
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formats = ie._extract_m3u8_formats(
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master_m3u8_url, video_id, query={'start': downloaded_duration}, live=False, note=False, fatal=False)
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media_m3u8_url = traverse_obj(formats, (format_index, {dict}, 'url'), get_all=False)
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if not media_m3u8_url:
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raise DownloadError('Unable to get playlist')
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# Refresh master m3u8 (if possible) to get the new URL of the previously-chose format
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media_m3u8_url = ie._extract_m3u8_formats(
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ws_context._master_m3u8_url(), video_id, note=False,
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query={'start': downloaded_duration}, live=False)[0]['url']
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# Get all fragments
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media_m3u8 = ie._download_webpage(
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@ -7,7 +7,6 @@
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import urllib.parse
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from .common import InfoExtractor, SearchInfoExtractor
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from ..networking import Request
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from ..networking.exceptions import HTTPError
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from ..utils import (
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ExtractorError,
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@ -957,7 +956,7 @@ class NiconicoLiveIE(NiconicoBaseIE):
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def _yield_formats(self, ws_url, headers, latency, video_id, is_live):
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ws = self._request_webpage(
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Request(ws_url, headers=headers), video_id, note='Connecting to WebSocket server')
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ws_url, video_id, note='Connecting to WebSocket server', headers=headers)
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self.write_debug('Sending HLS server request')
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ws.send(json.dumps({
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@ -973,10 +972,10 @@ def _yield_formats(self, ws_url, headers, latency, video_id, is_live):
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'protocol': 'webSocket',
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'commentable': True,
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},
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'reconnect': False,
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},
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}))
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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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@ -989,21 +988,20 @@ def _yield_formats(self, ws_url, headers, latency, video_id, is_live):
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qualities = data['data']['availableQualities']
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break
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elif data.get('type') == 'disconnect':
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self.write_debug(recv)
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self.write_debug(data)
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raise ExtractorError('Disconnected at middle of extraction')
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elif data.get('type') == 'error':
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self.write_debug(recv)
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message = traverse_obj(data, ('body', 'code')) or recv
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self.write_debug(data)
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message = traverse_obj(data, ('data', 'code')) or recv
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raise ExtractorError(message)
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elif self.get_param('verbose', False):
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if len(recv) > 100:
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recv = recv[:100] + '...'
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self.write_debug(f'Server said: {recv}')
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ws.close()
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formats = self._extract_m3u8_formats(m3u8_url, video_id, ext='mp4', live=is_live)
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for fmt, q in zip(formats, reversed(qualities[1:])):
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formats = sorted(self._extract_m3u8_formats(
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m3u8_url, video_id, ext='mp4', live=is_live), key=lambda f: f['tbr'], reverse=True)
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for fmt, q in zip(formats, qualities[1:]):
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fmt.update({
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'format_id': q,
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'protocol': 'niconico_live',
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