from __future__ import unicode_literals
from .common import FileDownloader
+from .external import get_external_downloader
+from .f4m import F4mFD
from .hls import HlsFD
+from .hls import NativeHlsFD
from .http import HttpFD
from .mplayer import MplayerFD
from .rtmp import RtmpFD
-from .f4m import F4mFD
from ..utils import (
- determine_ext,
+ determine_protocol,
)
+PROTOCOL_MAP = {
+ 'rtmp': RtmpFD,
+ 'm3u8_native': NativeHlsFD,
+ 'm3u8': HlsFD,
+ 'mms': MplayerFD,
+ 'rtsp': MplayerFD,
+ 'f4m': F4mFD,
+}
-def get_suitable_downloader(info_dict):
+
+def get_suitable_downloader(info_dict, params={}):
"""Get the downloader class that can handle the info dict."""
- url = info_dict['url']
- protocol = info_dict.get('protocol')
-
- if url.startswith('rtmp'):
- return RtmpFD
- if (protocol == 'm3u8') or (protocol is None and determine_ext(url) == 'm3u8'):
- return HlsFD
- if url.startswith('mms') or url.startswith('rtsp'):
- return MplayerFD
- if determine_ext(url) == 'f4m':
- return F4mFD
- else:
- return HttpFD
+ protocol = determine_protocol(info_dict)
+ info_dict['protocol'] = protocol
+
+ external_downloader = params.get('external_downloader')
+ if external_downloader is not None:
+ ed = get_external_downloader(external_downloader)
+ if ed.supports(info_dict):
+ return ed
+
+ return PROTOCOL_MAP.get(protocol, HttpFD)
+
+
+__all__ = [
+ 'get_suitable_downloader',
+ 'FileDownloader',
+]