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118 lines
3.6 KiB
Python
118 lines
3.6 KiB
Python
from __future__ import unicode_literals
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from ..compat import compat_str
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from ..utils import (
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determine_protocol,
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NO_DEFAULT
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)
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def get_suitable_downloader(info_dict, params={}, default=NO_DEFAULT, protocol=None, to_stdout=False):
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info_dict['protocol'] = determine_protocol(info_dict)
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info_copy = info_dict.copy()
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if protocol:
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info_copy['protocol'] = protocol
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info_copy['to_stdout'] = to_stdout
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return _get_suitable_downloader(info_copy, params, default)
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# Some of these require get_suitable_downloader
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from .common import FileDownloader
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from .dash import DashSegmentsFD
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from .f4m import F4mFD
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from .hls import HlsFD
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from .http import HttpFD
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from .rtmp import RtmpFD
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from .rtsp import RtspFD
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from .ism import IsmFD
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from .mhtml import MhtmlFD
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from .niconico import NiconicoDmcFD
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from .websocket import WebSocketFragmentFD
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from .youtube_live_chat import YoutubeLiveChatFD
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from .external import (
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get_external_downloader,
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FFmpegFD,
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)
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PROTOCOL_MAP = {
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'rtmp': RtmpFD,
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'rtmp_ffmpeg': FFmpegFD,
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'm3u8_native': HlsFD,
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'm3u8': FFmpegFD,
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'mms': RtspFD,
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'rtsp': RtspFD,
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'f4m': F4mFD,
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'http_dash_segments': DashSegmentsFD,
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'ism': IsmFD,
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'mhtml': MhtmlFD,
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'niconico_dmc': NiconicoDmcFD,
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'websocket_frag': WebSocketFragmentFD,
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'youtube_live_chat': YoutubeLiveChatFD,
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'youtube_live_chat_replay': YoutubeLiveChatFD,
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}
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def shorten_protocol_name(proto, simplify=False):
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short_protocol_names = {
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'm3u8_native': 'm3u8_n',
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'rtmp_ffmpeg': 'rtmp_f',
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'http_dash_segments': 'dash',
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'niconico_dmc': 'dmc',
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'websocket_frag': 'WSfrag',
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}
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if simplify:
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short_protocol_names.update({
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'https': 'http',
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'ftps': 'ftp',
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'm3u8_native': 'm3u8',
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'rtmp_ffmpeg': 'rtmp',
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'm3u8_frag_urls': 'm3u8',
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'dash_frag_urls': 'dash',
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})
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return short_protocol_names.get(proto, proto)
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def _get_suitable_downloader(info_dict, params, default):
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"""Get the downloader class that can handle the info dict."""
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if default is NO_DEFAULT:
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default = HttpFD
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# if (info_dict.get('start_time') or info_dict.get('end_time')) and not info_dict.get('requested_formats') and FFmpegFD.can_download(info_dict):
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# return FFmpegFD
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protocol = info_dict['protocol']
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downloaders = params.get('external_downloader')
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external_downloader = (
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downloaders if isinstance(downloaders, compat_str) or downloaders is None
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else downloaders.get(shorten_protocol_name(protocol, True), downloaders.get('default')))
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if external_downloader is None:
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if info_dict['to_stdout'] and FFmpegFD.can_merge_formats(info_dict, params):
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return FFmpegFD
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elif external_downloader.lower() != 'native':
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ed = get_external_downloader(external_downloader)
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if ed.can_download(info_dict, external_downloader):
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return ed
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if protocol in ('m3u8', 'm3u8_native'):
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if info_dict.get('is_live'):
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return FFmpegFD
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elif (external_downloader or '').lower() == 'native':
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return HlsFD
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elif get_suitable_downloader(
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info_dict, params, None, protocol='m3u8_frag_urls', to_stdout=info_dict['to_stdout']):
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return HlsFD
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elif params.get('hls_prefer_native') is True:
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return HlsFD
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elif params.get('hls_prefer_native') is False:
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return FFmpegFD
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return PROTOCOL_MAP.get(protocol, default)
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__all__ = [
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'FileDownloader',
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'get_suitable_downloader',
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'shorten_protocol_name',
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]
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