from .common import FileDownloader
from .http import HttpFD
+from ..compat import (
+ compat_urlparse,
+)
from ..utils import (
struct_pack,
struct_unpack,
- compat_urlparse,
format_bytes,
encodeFilename,
sanitize_open,
+ xpath_text,
)
if size == 1:
real_size = self.read_unsigned_long_long()
header_end = 16
- return real_size, box_type, self.read(real_size-header_end)
+ return real_size, box_type, self.read(real_size - header_end)
def read_asrt(self):
# version
""" Return a list of (segment, fragment) for each fragment in the video """
res = []
segment_run_table = boot_info['segments'][0]
- # I've only found videos with one segment
- segment_run_entry = segment_run_table['segment_run'][0]
- n_frags = segment_run_entry[1]
fragment_run_entry_table = boot_info['fragments'][0]['fragments']
first_frag_number = fragment_run_entry_table[0]['first']
- for (i, frag_number) in zip(range(1, n_frags+1), itertools.count(first_frag_number)):
- res.append((1, frag_number))
+ fragments_counter = itertools.count(first_frag_number)
+ for segment, fragments_count in segment_run_table['segment_run']:
+ for _ in range(fragments_count):
+ res.append((segment, next(fragments_counter)))
return res
-def write_flv_header(stream, metadata):
- """Writes the FLV header and the metadata to stream"""
+def write_unsigned_int(stream, val):
+ stream.write(struct_pack('!I', val))
+
+
+def write_unsigned_int_24(stream, val):
+ stream.write(struct_pack('!I', val)[1:])
+
+
+def write_flv_header(stream):
+ """Writes the FLV header to stream"""
# FLV header
stream.write(b'FLV\x01')
stream.write(b'\x05')
stream.write(b'\x00\x00\x00\x09')
- # FLV File body
stream.write(b'\x00\x00\x00\x00')
- # FLVTAG
- # Script data
- stream.write(b'\x12')
- # Size of the metadata with 3 bytes
- stream.write(struct_pack('!L', len(metadata))[1:])
- stream.write(b'\x00\x00\x00\x00\x00\x00\x00')
- stream.write(metadata)
- # Magic numbers extracted from the output files produced by AdobeHDS.php
- #(https://github.com/K-S-V/Scripts)
- stream.write(b'\x00\x00\x01\x73')
+
+
+def write_metadata_tag(stream, metadata):
+ """Writes optional metadata tag to stream"""
+ SCRIPT_TAG = b'\x12'
+ FLV_TAG_HEADER_LEN = 11
+
+ if metadata:
+ stream.write(SCRIPT_TAG)
+ write_unsigned_int_24(stream, len(metadata))
+ stream.write(b'\x00\x00\x00\x00\x00\x00\x00')
+ stream.write(metadata)
+ write_unsigned_int(stream, FLV_TAG_HEADER_LEN + len(metadata))
def _add_ns(prop):
A downloader for f4m manifests or AdobeHDS.
"""
+ def _get_unencrypted_media(self, doc):
+ media = doc.findall(_add_ns('media'))
+ if not media:
+ self.report_error('No media found')
+ for e in (doc.findall(_add_ns('drmAdditionalHeader')) +
+ doc.findall(_add_ns('drmAdditionalHeaderSet'))):
+ # If id attribute is missing it's valid for all media nodes
+ # without drmAdditionalHeaderId or drmAdditionalHeaderSetId attribute
+ if 'id' not in e.attrib:
+ self.report_error('Missing ID in f4m DRM')
+ media = list(filter(lambda e: 'drmAdditionalHeaderId' not in e.attrib and
+ 'drmAdditionalHeaderSetId' not in e.attrib,
+ media))
+ if not media:
+ self.report_error('Unsupported DRM')
+ return media
+
def real_download(self, filename, info_dict):
man_url = info_dict['url']
+ requested_bitrate = info_dict.get('tbr')
self.to_screen('[download] Downloading f4m manifest')
manifest = self.ydl.urlopen(man_url).read()
self.report_destination(filename)
- http_dl = HttpQuietDownloader(self.ydl,
+ http_dl = HttpQuietDownloader(
+ self.ydl,
{
'continuedl': True,
'quiet': True,
'noprogress': True,
+ 'ratelimit': self.params.get('ratelimit', None),
'test': self.params.get('test', False),
- })
+ }
+ )
doc = etree.fromstring(manifest)
- formats = [(int(f.attrib.get('bitrate', -1)), f) for f in doc.findall(_add_ns('media'))]
- formats = sorted(formats, key=lambda f: f[0])
- rate, media = formats[-1]
+ formats = [(int(f.attrib.get('bitrate', -1)), f)
+ for f in self._get_unencrypted_media(doc)]
+ if requested_bitrate is None:
+ # get the best format
+ formats = sorted(formats, key=lambda f: f[0])
+ rate, media = formats[-1]
+ else:
+ rate, media = list(filter(
+ lambda f: int(f[0]) == requested_bitrate, formats))[0]
+
base_url = compat_urlparse.urljoin(man_url, media.attrib['url'])
- bootstrap = base64.b64decode(doc.find(_add_ns('bootstrapInfo')).text)
- metadata = base64.b64decode(media.find(_add_ns('metadata')).text)
+ bootstrap_node = doc.find(_add_ns('bootstrapInfo'))
+ if bootstrap_node.text is None:
+ bootstrap_url = compat_urlparse.urljoin(
+ base_url, bootstrap_node.attrib['url'])
+ bootstrap = self.ydl.urlopen(bootstrap_url).read()
+ else:
+ bootstrap = base64.b64decode(bootstrap_node.text)
+ metadata_node = media.find(_add_ns('metadata'))
+ if metadata_node is not None:
+ metadata = base64.b64decode(metadata_node.text)
+ else:
+ metadata = None
boot_info = read_bootstrap_info(bootstrap)
+
fragments_list = build_fragments_list(boot_info)
if self.params.get('test', False):
# We only download the first fragment
fragments_list = fragments_list[:1]
total_frags = len(fragments_list)
+ # For some akamai manifests we'll need to add a query to the fragment url
+ akamai_pv = xpath_text(doc, _add_ns('pv-2.0'))
tmpfilename = self.temp_name(filename)
(dest_stream, tmpfilename) = sanitize_open(tmpfilename, 'wb')
- write_flv_header(dest_stream, metadata)
+ write_flv_header(dest_stream)
+ write_metadata_tag(dest_stream, metadata)
# This dict stores the download progress, it's updated by the progress
# hook
def frag_progress_hook(status):
frag_total_bytes = status.get('total_bytes', 0)
estimated_size = (state['downloaded_bytes'] +
- (total_frags - state['frag_counter']) * frag_total_bytes)
+ (total_frags - state['frag_counter']) * frag_total_bytes)
if status['status'] == 'finished':
state['downloaded_bytes'] += frag_total_bytes
state['frag_counter'] += 1
frag_downloaded_bytes = status['downloaded_bytes']
byte_counter = state['downloaded_bytes'] + frag_downloaded_bytes
frag_progress = self.calc_percent(frag_downloaded_bytes,
- frag_total_bytes)
+ frag_total_bytes)
progress = self.calc_percent(state['frag_counter'], total_frags)
progress += frag_progress / float(total_frags)
eta = self.calc_eta(start, time.time(), estimated_size, byte_counter)
self.report_progress(progress, format_bytes(estimated_size),
- status.get('speed'), eta)
+ status.get('speed'), eta)
http_dl.add_progress_hook(frag_progress_hook)
frags_filenames = []
for (seg_i, frag_i) in fragments_list:
name = 'Seg%d-Frag%d' % (seg_i, frag_i)
url = base_url + name
+ if akamai_pv:
+ url += '?' + akamai_pv.strip(';')
frag_filename = '%s-%s' % (tmpfilename, name)
success = http_dl.download(frag_filename, {'url': url})
if not success:
Rapsys Git / youtubedl / blobdiff