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Commit | Line | Data |
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db1f3888 PH |
1 | from __future__ import unicode_literals |
2 | ||
52a8a1e1 | 3 | from ..compat import compat_str |
5219cb3e | 4 | from ..utils import ( |
5 | determine_protocol, | |
dbf5416a | 6 | NO_DEFAULT |
5219cb3e | 7 | ) |
8 | ||
9 | ||
96fccc10 | 10 | def get_suitable_downloader(info_dict, params={}, default=NO_DEFAULT, protocol=None, to_stdout=False): |
dbf5416a | 11 | info_dict['protocol'] = determine_protocol(info_dict) |
5219cb3e | 12 | info_copy = info_dict.copy() |
96fccc10 | 13 | info_copy['to_stdout'] = to_stdout |
c111cefa | 14 | |
adbc4ec4 THD |
15 | protocols = (protocol or info_copy['protocol']).split('+') |
16 | downloaders = [_get_suitable_downloader(info_copy, proto, params, default) for proto in protocols] | |
17 | ||
c111cefa | 18 | if set(downloaders) == {FFmpegFD} and FFmpegFD.can_merge_formats(info_copy, params): |
19 | return FFmpegFD | |
adbc4ec4 THD |
20 | elif (set(downloaders) == {DashSegmentsFD} |
21 | and not (to_stdout and len(protocols) > 1) | |
22 | and set(protocols) == {'http_dash_segments_generator'}): | |
23 | return DashSegmentsFD | |
c111cefa | 24 | elif len(downloaders) == 1: |
25 | return downloaders[0] | |
26 | return None | |
5219cb3e | 27 | |
28 | ||
dbf5416a | 29 | # Some of these require get_suitable_downloader |
3bc2ddcc | 30 | from .common import FileDownloader |
5219cb3e | 31 | from .dash import DashSegmentsFD |
222516d9 | 32 | from .f4m import F4mFD |
3bc2ddcc JMF |
33 | from .hls import HlsFD |
34 | from .http import HttpFD | |
3bc2ddcc | 35 | from .rtmp import RtmpFD |
be24916a | 36 | from .rtsp import RtspFD |
b2758123 | 37 | from .ism import IsmFD |
cdb19aa4 | 38 | from .mhtml import MhtmlFD |
fb198a8a | 39 | from .niconico import NiconicoDmcFD |
e36d50c5 | 40 | from .websocket import WebSocketFragmentFD |
c60ee3a2 | 41 | from .youtube_live_chat import YoutubeLiveChatFD |
12b84ac8 | 42 | from .external import ( |
43 | get_external_downloader, | |
44 | FFmpegFD, | |
45 | ) | |
3bc2ddcc | 46 | |
a055469f PH |
47 | PROTOCOL_MAP = { |
48 | 'rtmp': RtmpFD, | |
f304da8a | 49 | 'rtmpe': RtmpFD, |
0fa9a1e2 | 50 | 'rtmp_ffmpeg': FFmpegFD, |
12b84ac8 | 51 | 'm3u8_native': HlsFD, |
52 | 'm3u8': FFmpegFD, | |
be24916a | 53 | 'mms': RtspFD, |
54 | 'rtsp': RtspFD, | |
a055469f | 55 | 'f4m': F4mFD, |
423d2be5 | 56 | 'http_dash_segments': DashSegmentsFD, |
adbc4ec4 | 57 | 'http_dash_segments_generator': DashSegmentsFD, |
b2758123 | 58 | 'ism': IsmFD, |
cdb19aa4 | 59 | 'mhtml': MhtmlFD, |
fb198a8a | 60 | 'niconico_dmc': NiconicoDmcFD, |
e36d50c5 | 61 | 'websocket_frag': WebSocketFragmentFD, |
c60ee3a2 | 62 | 'youtube_live_chat': YoutubeLiveChatFD, |
63 | 'youtube_live_chat_replay': YoutubeLiveChatFD, | |
a055469f | 64 | } |
f89197d7 | 65 | |
a055469f | 66 | |
52a8a1e1 | 67 | def shorten_protocol_name(proto, simplify=False): |
68 | short_protocol_names = { | |
69 | 'm3u8_native': 'm3u8_n', | |
0fa9a1e2 | 70 | 'rtmp_ffmpeg': 'rtmp_f', |
52a8a1e1 | 71 | 'http_dash_segments': 'dash', |
adbc4ec4 | 72 | 'http_dash_segments_generator': 'dash_g', |
52a8a1e1 | 73 | 'niconico_dmc': 'dmc', |
e36d50c5 | 74 | 'websocket_frag': 'WSfrag', |
52a8a1e1 | 75 | } |
76 | if simplify: | |
77 | short_protocol_names.update({ | |
78 | 'https': 'http', | |
79 | 'ftps': 'ftp', | |
80 | 'm3u8_native': 'm3u8', | |
adbc4ec4 | 81 | 'http_dash_segments_generator': 'dash', |
0fa9a1e2 | 82 | 'rtmp_ffmpeg': 'rtmp', |
52a8a1e1 | 83 | 'm3u8_frag_urls': 'm3u8', |
84 | 'dash_frag_urls': 'dash', | |
85 | }) | |
86 | return short_protocol_names.get(proto, proto) | |
87 | ||
88 | ||
c111cefa | 89 | def _get_suitable_downloader(info_dict, protocol, params, default): |
3bc2ddcc | 90 | """Get the downloader class that can handle the info dict.""" |
dbf5416a | 91 | if default is NO_DEFAULT: |
92 | default = HttpFD | |
a055469f | 93 | |
6ae27bed | 94 | # 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): |
da1973a0 | 95 | # return FFmpegFD |
12b84ac8 | 96 | |
c111cefa | 97 | info_dict['protocol'] = protocol |
52a8a1e1 | 98 | downloaders = params.get('external_downloader') |
99 | external_downloader = ( | |
68379de5 | 100 | downloaders if isinstance(downloaders, compat_str) or downloaders is None |
52a8a1e1 | 101 | else downloaders.get(shorten_protocol_name(protocol, True), downloaders.get('default'))) |
52a8a1e1 | 102 | |
96fccc10 | 103 | if external_downloader is None: |
104 | if info_dict['to_stdout'] and FFmpegFD.can_merge_formats(info_dict, params): | |
105 | return FFmpegFD | |
106 | elif external_downloader.lower() != 'native': | |
222516d9 | 107 | ed = get_external_downloader(external_downloader) |
7f7de7f9 | 108 | if ed.can_download(info_dict, external_downloader): |
222516d9 PH |
109 | return ed |
110 | ||
6251555f | 111 | if protocol == 'http_dash_segments': |
45842107 | 112 | if info_dict.get('is_live') and (external_downloader or '').lower() != 'native': |
6251555f | 113 | return FFmpegFD |
114 | ||
72e1fe96 | 115 | if protocol in ('m3u8', 'm3u8_native'): |
5219cb3e | 116 | if info_dict.get('is_live'): |
117 | return FFmpegFD | |
96fccc10 | 118 | elif (external_downloader or '').lower() == 'native': |
52a8a1e1 | 119 | return HlsFD |
96fccc10 | 120 | elif get_suitable_downloader( |
121 | info_dict, params, None, protocol='m3u8_frag_urls', to_stdout=info_dict['to_stdout']): | |
5219cb3e | 122 | return HlsFD |
123 | elif params.get('hls_prefer_native') is True: | |
124 | return HlsFD | |
125 | elif params.get('hls_prefer_native') is False: | |
126 | return FFmpegFD | |
bf09af3a | 127 | |
5219cb3e | 128 | return PROTOCOL_MAP.get(protocol, default) |
a055469f | 129 | |
14d4e90e PH |
130 | |
131 | __all__ = [ | |
14d4e90e | 132 | 'FileDownloader', |
52a8a1e1 | 133 | 'get_suitable_downloader', |
134 | 'shorten_protocol_name', | |
14d4e90e | 135 | ] |