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			112 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			3.3 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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)
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def _get_real_downloader(info_dict, protocol=None, *args, **kwargs):
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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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    return get_suitable_downloader(info_copy, *args, **kwargs)
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# Some of these require _get_real_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=HttpFD):
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    """Get the downloader class that can handle the info dict."""
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    protocol = determine_protocol(info_dict)
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    info_dict['protocol'] = protocol
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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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    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 and external_downloader.lower() == 'native':
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        external_downloader = 'native'
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    if external_downloader not in (None, '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 == 'native':
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            return HlsFD
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        elif _get_real_downloader(info_dict, 'm3u8_frag_urls', params, None):
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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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