mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-27 10:31:29 +00:00
[extractor/common] Extract f4m and m3u8 formats, subtitles and info
This commit is contained in:
Sergey M․
parent
3f125c8c70
commit
a107193e4b
|
|
@ -18,6 +18,7 @@
|
|||
compat_HTTPError,
|
||||
compat_http_client,
|
||||
compat_urllib_error,
|
||||
compat_urllib_parse,
|
||||
compat_urllib_parse_urlparse,
|
||||
compat_urllib_request,
|
||||
compat_urlparse,
|
||||
|
|
@ -37,6 +38,7 @@
|
|||
RegexNotFoundError,
|
||||
sanitize_filename,
|
||||
unescapeHTML,
|
||||
url_basename,
|
||||
)
|
||||
|
||||
|
||||
|
|
@ -978,69 +980,165 @@ def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,
|
|||
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._search_regex(
|
||||
r'{([^}]+)?}smil', smil.tag, 'namespace', default=None)
|
||||
|
||||
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._search_regex(
|
||||
r'{([^}]+)?}smil', smil.tag, 'namespace', default=None)
|
||||
|
||||
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_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).encode('utf-8')
|
||||
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 """
|
||||
|
|
|
|||
Loading…
Reference in a new issue