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-rw-r--r--youtube_dl/extractor/common.py202
1 files changed, 151 insertions, 51 deletions
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 507ea5ec0..def6caa0d 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -18,6 +18,7 @@ from ..compat import (
compat_HTTPError,
compat_http_client,
compat_urllib_error,
+ compat_urllib_parse,
compat_urllib_parse_urlparse,
compat_urllib_request,
compat_urlparse,
@@ -37,6 +38,7 @@ from ..utils import (
RegexNotFoundError,
sanitize_filename,
unescapeHTML,
+ url_basename,
)
@@ -978,69 +980,167 @@ class InfoExtractor(object):
self._sort_formats(formats)
return formats
- # TODO: improve extraction
- def _extract_smil_formats(self, smil_url, video_id, fatal=True):
- smil = self._download_xml(
- smil_url, video_id, 'Downloading SMIL file',
- 'Unable to download SMIL file', fatal=fatal)
+ @staticmethod
+ def _xpath_ns(path, namespace=None):
+ if not namespace:
+ return path
+ out = []
+ for c in path.split('/'):
+ if not c or c == '.':
+ out.append(c)
+ else:
+ out.append('{%s}%s' % (namespace, c))
+ return '/'.join(out)
+
+ def _extract_smil_formats(self, smil_url, video_id, fatal=True, f4m_params=None):
+ smil = self._download_smil(smil_url, video_id, fatal=fatal)
+
if smil is False:
assert not fatal
return []
- base = smil.find('./head/meta').get('base')
+ namespace = self._parse_smil_namespace(smil)
+
+ return self._parse_smil_formats(
+ smil, smil_url, video_id, namespace=namespace, f4m_params=f4m_params)
+
+ def _extract_smil_info(self, smil_url, video_id, fatal=True, f4m_params=None):
+ smil = self._download_smil(smil_url, video_id, fatal=fatal)
+ if smil is False:
+ return {}
+ return self._parse_smil(smil, smil_url, video_id, f4m_params=f4m_params)
+
+ def _download_smil(self, smil_url, video_id, fatal=True):
+ return self._download_xml(
+ smil_url, video_id, 'Downloading SMIL file',
+ 'Unable to download SMIL file', fatal=fatal)
+
+ def _parse_smil(self, smil, smil_url, video_id, f4m_params=None):
+ namespace = self._parse_smil_namespace(smil)
+
+ formats = self._parse_smil_formats(
+ smil, smil_url, video_id, namespace=namespace, f4m_params=f4m_params)
+ subtitles = self._parse_smil_subtitles(smil, namespace=namespace)
+
+ video_id = os.path.splitext(url_basename(smil_url))[0]
+ title = None
+ description = None
+ for meta in smil.findall(self._xpath_ns('./head/meta', namespace)):
+ name = meta.attrib.get('name')
+ content = meta.attrib.get('content')
+ if not name or not content:
+ continue
+ if not title and name == 'title':
+ title = content
+ elif not description and name in ('description', 'abstract'):
+ description = content
+
+ return {
+ 'id': video_id,
+ 'title': title or video_id,
+ 'description': description,
+ 'formats': formats,
+ 'subtitles': subtitles,
+ }
+
+ def _parse_smil_namespace(self, smil):
+ return self._search_regex(
+ r'(?i)^{([^}]+)?}smil$', smil.tag, 'namespace', default=None)
+
+ def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None):
+ base = smil_url
+ for meta in smil.findall(self._xpath_ns('./head/meta', namespace)):
+ b = meta.get('base') or meta.get('httpBase')
+ if b:
+ base = b
+ break
formats = []
rtmp_count = 0
- if smil.findall('./body/seq/video'):
- video = smil.findall('./body/seq/video')[0]
- fmts, rtmp_count = self._parse_smil_video(video, video_id, base, rtmp_count)
- formats.extend(fmts)
- else:
- for video in smil.findall('./body/switch/video'):
- fmts, rtmp_count = self._parse_smil_video(video, video_id, base, rtmp_count)
- formats.extend(fmts)
+ http_count = 0
+
+ videos = smil.findall(self._xpath_ns('.//video', namespace))
+ for video in videos:
+ src = video.get('src')
+ if not src:
+ continue
+
+ bitrate = int_or_none(video.get('system-bitrate') or video.get('systemBitrate'), 1000)
+ filesize = int_or_none(video.get('size') or video.get('fileSize'))
+ width = int_or_none(video.get('width'))
+ height = int_or_none(video.get('height'))
+ proto = video.get('proto')
+ ext = video.get('ext')
+ src_ext = determine_ext(src)
+ streamer = video.get('streamer') or base
+
+ if proto == 'rtmp' or streamer.startswith('rtmp'):
+ rtmp_count += 1
+ formats.append({
+ 'url': streamer,
+ 'play_path': src,
+ 'ext': 'flv',
+ 'format_id': 'rtmp-%d' % (rtmp_count if bitrate is None else bitrate),
+ 'tbr': bitrate,
+ 'filesize': filesize,
+ 'width': width,
+ 'height': height,
+ })
+ continue
+
+ src_url = src if src.startswith('http') else compat_urlparse.urljoin(base, src)
+
+ if proto == 'm3u8' or src_ext == 'm3u8':
+ formats.extend(self._extract_m3u8_formats(
+ src_url, video_id, ext or 'mp4', m3u8_id='hls'))
+ continue
+
+ if src_ext == 'f4m':
+ f4m_url = src_url
+ if not f4m_params:
+ f4m_params = {
+ 'hdcore': '3.2.0',
+ 'plugin': 'flowplayer-3.2.0.1',
+ }
+ f4m_url += '&' if '?' in f4m_url else '?'
+ f4m_url += compat_urllib_parse.urlencode(f4m_params)
+ formats.extend(self._extract_f4m_formats(f4m_url, video_id, f4m_id='hds'))
+ continue
+
+ if src_url.startswith('http'):
+ http_count += 1
+ formats.append({
+ 'url': src_url,
+ 'ext': ext or src_ext or 'flv',
+ 'format_id': 'http-%d' % (bitrate or http_count),
+ 'tbr': bitrate,
+ 'filesize': filesize,
+ 'width': width,
+ 'height': height,
+ })
+ continue
self._sort_formats(formats)
return formats
- def _parse_smil_video(self, video, video_id, base, rtmp_count):
- src = video.get('src')
- if not src:
- return [], rtmp_count
- bitrate = int_or_none(video.get('system-bitrate') or video.get('systemBitrate'), 1000)
- width = int_or_none(video.get('width'))
- height = int_or_none(video.get('height'))
- proto = video.get('proto')
- if not proto:
- if base:
- if base.startswith('rtmp'):
- proto = 'rtmp'
- elif base.startswith('http'):
- proto = 'http'
- ext = video.get('ext')
- if proto == 'm3u8':
- return self._extract_m3u8_formats(src, video_id, ext), rtmp_count
- elif proto == 'rtmp':
- rtmp_count += 1
- streamer = video.get('streamer') or base
- return ([{
- 'url': streamer,
- 'play_path': src,
- 'ext': 'flv',
- 'format_id': 'rtmp-%d' % (rtmp_count if bitrate is None else bitrate),
- 'tbr': bitrate,
- 'width': width,
- 'height': height,
- }], rtmp_count)
- elif proto.startswith('http'):
- return ([{
- 'url': base + src,
- 'ext': ext or 'flv',
- 'tbr': bitrate,
- 'width': width,
- 'height': height,
- }], rtmp_count)
+ def _parse_smil_subtitles(self, smil, namespace=None):
+ subtitles = {}
+ for num, textstream in enumerate(smil.findall(self._xpath_ns('.//textstream', namespace))):
+ src = textstream.get('src')
+ if not src:
+ continue
+ ext = textstream.get('ext') or determine_ext(src)
+ if not ext:
+ type_ = textstream.get('type')
+ if type_ == 'text/srt':
+ ext = 'srt'
+ lang = textstream.get('systemLanguage') or textstream.get('systemLanguageName')
+ subtitles.setdefault(lang, []).append({
+ 'url': src,
+ 'ext': ext,
+ })
+ return subtitles
def _live_title(self, name):
""" Generate the title for a live video """