youtube-dl/youtube_dl/downloader/__init__.py

53 lines
1.3 KiB
Python

from __future__ import unicode_literals
from .common import FileDownloader
from .f4m import F4mFD
from .hls import HlsFD
from .http import HttpFD
from .rtmp import RtmpFD
from .dash import DashSegmentsFD
from .external import (
get_external_downloader,
FFmpegFD,
)
from ..utils import (
determine_protocol,
)
PROTOCOL_MAP = {
'rtmp': RtmpFD,
'm3u8_native': HlsFD,
'm3u8': FFmpegFD,
'mms': FFmpegFD,
'rtsp': FFmpegFD,
'f4m': F4mFD,
'http_dash_segments': DashSegmentsFD,
}
def get_suitable_downloader(info_dict, params={}):
"""Get the downloader class that can handle the info dict."""
protocol = determine_protocol(info_dict)
info_dict['protocol'] = protocol
if (info_dict.get('start_time') or info_dict.get('end_time')) and FFmpegFD.available() and FFmpegFD.supports(info_dict):
return FFmpegFD
external_downloader = params.get('external_downloader')
if external_downloader is not None:
ed = get_external_downloader(external_downloader)
if ed.available() and ed.supports(info_dict):
return ed
if protocol == 'm3u8' and params.get('hls_prefer_native'):
return HlsFD
return PROTOCOL_MAP.get(protocol, HttpFD)
__all__ = [
'get_suitable_downloader',
'FileDownloader',
]