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Authored by: bashonly
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bashonly 2025-05-20 15:43:55 -05:00
parent 11dfa446ec
commit e242c884a8
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1 changed files with 7 additions and 4 deletions
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11
yt_dlp/extractor/twitch.py
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@ -187,7 +187,7 @@ class TwitchBaseIE(InfoExtractor):
'url': thumbnail,
}] if thumbnail else None
def _extract_twitch_m3u8_formats(self, path, video_id, token, signature):
def _extract_twitch_m3u8_formats(self, path, video_id, token, signature, live_from_start=False):
formats = self._extract_m3u8_formats(
f'{self._USHER_BASE}/{path}/{video_id}.m3u8', video_id, 'mp4', query={
'allow_source': 'true',
@ -205,7 +205,7 @@ class TwitchBaseIE(InfoExtractor):
if fmt.get('vcodec') and fmt['vcodec'].startswith('av01'):
# mpegts does not yet have proper support for av1
fmt.setdefault('downloader_options', {}).update({'ffmpeg_args_out': ['-f', 'mp4']})
if self.get_param('live_from_start'):
if live_from_start:
fmt.setdefault('downloader_options', {}).update({'ffmpeg_args': ['-live_start_index', '0']})
fmt['is_from_start'] = True
@ -553,7 +553,8 @@ class TwitchVodIE(TwitchBaseIE):
access_token = self._download_access_token(vod_id, 'video', 'id')
formats = self._extract_twitch_m3u8_formats(
'vod', vod_id, access_token['value'], access_token['signature'])
'vod', vod_id, access_token['value'], access_token['signature'],
live_from_start=self.get_param('live_from_start'))
formats.extend(self._extract_storyboard(vod_id, video.get('storyboard'), info.get('duration')))
self._prefer_source(formats)
@ -1062,10 +1063,12 @@ class TwitchStreamIE(TwitchPlaylistBaseIE):
timestamp = unified_timestamp(stream.get('createdAt'))
if self.get_param('live_from_start'):
self.to_screen(f'{channel_name}: Extracting VOD to download live from start')
entry = next(self._entries(channel_name, None, 'time'), None)
if entry and entry['timestamp'] >= timestamp:
return entry
self.report_warning('Unable to extract associated VOD; cannot download live from start')
self.report_warning(
'Unable to extract the VOD associated with this livestream', video_id=channel_name)
access_token = self._download_access_token(
channel_name, 'stream', 'channelName')