[YoutubeDL] Change how DashSegmentsFD is selected

[youtube-dl] / youtube_dl / downloader / __init__.py

diff --git a/youtube_dl/downloader/__init__.py b/youtube_dl/downloader/__init__.py
index aaa92bc758e59fce78265ebf01f87236c540e326..1b618ab54ae17ace63f60f9df173837a5e5a9171 100644 (file)
--- a/youtube_dl/downloader/__init__.py
+++ b/youtube_dl/downloader/__init__.py
@@ -1,26 +1,48 @@
 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 .rtsp import RtspFD
 from .rtmp import RtmpFD
+from .dash import DashSegmentsFD
 
 from ..utils import (
-    determine_ext,
+    determine_protocol,
 )
 
+PROTOCOL_MAP = {
+    'rtmp': RtmpFD,
+    'm3u8_native': NativeHlsFD,
+    'm3u8': HlsFD,
+    'mms': RtspFD,
+    'rtsp': RtspFD,
+    'f4m': F4mFD,
+    'dash_segments': DashSegmentsFD,
+}
 
-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
-    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
+
+    if protocol == 'm3u8' and params.get('hls_prefer_native'):
+        return NativeHlsFD
+
+    return PROTOCOL_MAP.get(protocol, HttpFD)
+
+
+__all__ = [
+    'get_suitable_downloader',
+    'FileDownloader',
+]