Merge pull request #10818 from TRox1972/criterion_match_id
[youtube-dl] / youtube_dl / downloader / __init__.py
1 from __future__ import unicode_literals
2
3 from .common import FileDownloader
4 from .f4m import F4mFD
5 from .hls import HlsFD
6 from .http import HttpFD
7 from .rtmp import RtmpFD
8 from .dash import DashSegmentsFD
9 from .rtsp import RtspFD
10 from .external import (
11     get_external_downloader,
12     FFmpegFD,
13 )
14
15 from ..utils import (
16     determine_protocol,
17 )
18
19 PROTOCOL_MAP = {
20     'rtmp': RtmpFD,
21     'm3u8_native': HlsFD,
22     'm3u8': FFmpegFD,
23     'mms': RtspFD,
24     'rtsp': RtspFD,
25     'f4m': F4mFD,
26     'http_dash_segments': DashSegmentsFD,
27 }
28
29
30 def get_suitable_downloader(info_dict, params={}):
31     """Get the downloader class that can handle the info dict."""
32     protocol = determine_protocol(info_dict)
33     info_dict['protocol'] = protocol
34
35     # 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):
36     #     return FFmpegFD
37
38     external_downloader = params.get('external_downloader')
39     if external_downloader is not None:
40         ed = get_external_downloader(external_downloader)
41         if ed.can_download(info_dict):
42             return ed
43
44     if protocol == 'm3u8' and params.get('hls_prefer_native') is True:
45         return HlsFD
46
47     if protocol == 'm3u8_native' and params.get('hls_prefer_native') is False:
48         return FFmpegFD
49
50     return PROTOCOL_MAP.get(protocol, HttpFD)
51
52
53 __all__ = [
54     'get_suitable_downloader',
55     'FileDownloader',
56 ]