from __future__ import unicode_literals
-import os.path
import re
import binascii
try:
from .external import FFmpegFD
from ..compat import (
+ compat_urllib_error,
compat_urlparse,
compat_struct_pack,
)
from ..utils import (
- encodeFilename,
- sanitize_open,
parse_m3u8_attributes,
update_url_query,
)
FD_NAME = 'hlsnative'
@staticmethod
- def can_download(manifest):
+ def can_download(manifest, info_dict):
UNSUPPORTED_FEATURES = (
r'#EXT-X-KEY:METHOD=(?!NONE|AES-128)', # encrypted streams [1]
- r'#EXT-X-BYTERANGE', # playlists composed of byte ranges of media files [2]
+ # r'#EXT-X-BYTERANGE', # playlists composed of byte ranges of media files [2]
# Live streams heuristic does not always work (e.g. geo restricted to Germany
# http://hls-geo.daserste.de/i/videoportal/Film/c_620000/622873/format,716451,716457,716450,716458,716459,.mp4.csmil/index_4_av.m3u8?null=0)
# 4. https://tools.ietf.org/html/draft-pantos-http-live-streaming-17#section-4.3.3.5
)
check_results = [not re.search(feature, manifest) for feature in UNSUPPORTED_FEATURES]
- check_results.append(can_decrypt_frag or '#EXT-X-KEY:METHOD=AES-128' not in manifest)
+ is_aes128_enc = '#EXT-X-KEY:METHOD=AES-128' in manifest
+ check_results.append(can_decrypt_frag or not is_aes128_enc)
+ check_results.append(not (is_aes128_enc and r'#EXT-X-BYTERANGE' in manifest))
+ check_results.append(not info_dict.get('is_live'))
return all(check_results)
def real_download(self, filename, info_dict):
man_url = info_dict['url']
self.to_screen('[%s] Downloading m3u8 manifest' % self.FD_NAME)
- manifest = self.ydl.urlopen(man_url).read()
+
+ manifest = self.ydl.urlopen(self._prepare_url(info_dict, man_url)).read()
s = manifest.decode('utf-8', 'ignore')
- if not self.can_download(s):
+ if not self.can_download(s, info_dict):
+ if info_dict.get('extra_param_to_segment_url'):
+ self.report_error('pycrypto not found. Please install it.')
+ return False
self.report_warning(
'hlsnative has detected features it does not support, '
'extraction will be delegated to ffmpeg')
self._prepare_and_start_frag_download(ctx)
+ fragment_retries = self.params.get('fragment_retries', 0)
+ skip_unavailable_fragments = self.params.get('skip_unavailable_fragments', True)
+ test = self.params.get('test', False)
+
+ extra_query = None
extra_param_to_segment_url = info_dict.get('extra_param_to_segment_url')
+ if extra_param_to_segment_url:
+ extra_query = compat_urlparse.parse_qs(extra_param_to_segment_url)
i = 0
media_sequence = 0
decrypt_info = {'METHOD': 'NONE'}
- frags_filenames = []
+ byte_range = {}
+ frag_index = 0
for line in s.splitlines():
line = line.strip()
if line:
if not line.startswith('#'):
+ frag_index += 1
+ if frag_index <= ctx['fragment_index']:
+ continue
frag_url = (
line
if re.match(r'^https?://', line)
else compat_urlparse.urljoin(man_url, line))
- frag_filename = '%s-Frag%d' % (ctx['tmpfilename'], i)
- if extra_param_to_segment_url:
- frag_url = update_url_query(frag_url, extra_param_to_segment_url)
- success = ctx['dl'].download(frag_filename, {'url': frag_url})
- if not success:
+ if extra_query:
+ frag_url = update_url_query(frag_url, extra_query)
+ count = 0
+ headers = info_dict.get('http_headers', {})
+ if byte_range:
+ headers['Range'] = 'bytes=%d-%d' % (byte_range['start'], byte_range['end'])
+ while count <= fragment_retries:
+ try:
+ success, frag_content = self._download_fragment(
+ ctx, frag_url, info_dict, headers)
+ if not success:
+ return False
+ break
+ except compat_urllib_error.HTTPError as err:
+ # Unavailable (possibly temporary) fragments may be served.
+ # First we try to retry then either skip or abort.
+ # See https://github.com/rg3/youtube-dl/issues/10165,
+ # https://github.com/rg3/youtube-dl/issues/10448).
+ count += 1
+ if count <= fragment_retries:
+ self.report_retry_fragment(err, frag_index, count, fragment_retries)
+ if count > fragment_retries:
+ if skip_unavailable_fragments:
+ i += 1
+ media_sequence += 1
+ self.report_skip_fragment(frag_index)
+ continue
+ self.report_error(
+ 'giving up after %s fragment retries' % fragment_retries)
return False
- down, frag_sanitized = sanitize_open(frag_filename, 'rb')
- frag_content = down.read()
- down.close()
if decrypt_info['METHOD'] == 'AES-128':
iv = decrypt_info.get('IV') or compat_struct_pack('>8xq', media_sequence)
+ decrypt_info['KEY'] = decrypt_info.get('KEY') or self.ydl.urlopen(decrypt_info['URI']).read()
frag_content = AES.new(
decrypt_info['KEY'], AES.MODE_CBC, iv).decrypt(frag_content)
- ctx['dest_stream'].write(frag_content)
- frags_filenames.append(frag_sanitized)
+ self._append_fragment(ctx, frag_content)
# We only download the first fragment during the test
- if self.params.get('test', False):
+ if test:
break
i += 1
media_sequence += 1
elif line.startswith('#EXT-X-KEY'):
+ decrypt_url = decrypt_info.get('URI')
decrypt_info = parse_m3u8_attributes(line[11:])
if decrypt_info['METHOD'] == 'AES-128':
if 'IV' in decrypt_info:
- decrypt_info['IV'] = binascii.unhexlify(decrypt_info['IV'][2:])
+ decrypt_info['IV'] = binascii.unhexlify(decrypt_info['IV'][2:].zfill(32))
if not re.match(r'^https?://', decrypt_info['URI']):
decrypt_info['URI'] = compat_urlparse.urljoin(
man_url, decrypt_info['URI'])
- if extra_param_to_segment_url:
- decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_param_to_segment_url)
- decrypt_info['KEY'] = self.ydl.urlopen(decrypt_info['URI']).read()
+ if extra_query:
+ decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_query)
+ if decrypt_url != decrypt_info['URI']:
+ decrypt_info['KEY'] = None
elif line.startswith('#EXT-X-MEDIA-SEQUENCE'):
media_sequence = int(line[22:])
+ elif line.startswith('#EXT-X-BYTERANGE'):
+ splitted_byte_range = line[17:].split('@')
+ sub_range_start = int(splitted_byte_range[1]) if len(splitted_byte_range) == 2 else byte_range['end']
+ byte_range = {
+ 'start': sub_range_start,
+ 'end': sub_range_start + int(splitted_byte_range[0]),
+ }
self._finish_frag_download(ctx)
- for frag_file in frags_filenames:
- os.remove(encodeFilename(frag_file))
-
return True
Rapsys Git / youtubedl / blobdiff