-from __future__ import unicode_literals
+from __future__ import division, unicode_literals
import base64
import io
from ..utils import (
struct_pack,
struct_unpack,
- format_bytes,
encodeFilename,
sanitize_open,
xpath_text,
""" 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_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
def write_metadata_tag(stream, metadata):
"""Writes optional metadata tag to stream"""
+ SCRIPT_TAG = b'\x12'
+ FLV_TAG_HEADER_LEN = 11
+
if metadata:
- # Script data
- stream.write(b'\x12')
- # Size of the metadata with 3 bytes
- stream.write(struct_pack('!L', len(metadata))[1:])
+ stream.write(SCRIPT_TAG)
+ write_unsigned_int_24(stream, len(metadata))
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')
+ 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,
- {
- '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 = [(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])
# 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'))
+ self.report_destination(filename)
+ http_dl = HttpQuietDownloader(
+ self.ydl,
+ {
+ 'continuedl': True,
+ 'quiet': True,
+ 'noprogress': True,
+ 'ratelimit': self.params.get('ratelimit', None),
+ 'test': self.params.get('test', False),
+ }
+ )
tmpfilename = self.temp_name(filename)
(dest_stream, tmpfilename) = sanitize_open(tmpfilename, 'wb')
+
write_flv_header(dest_stream)
write_metadata_tag(dest_stream, metadata)
# This dict stores the download progress, it's updated by the progress
# hook
state = {
+ 'status': 'downloading',
'downloaded_bytes': 0,
- 'frag_counter': 0,
+ 'frag_index': 0,
+ 'frag_count': total_frags,
+ 'filename': filename,
+ 'tmpfilename': tmpfilename,
}
start = time.time()
- 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)
- if status['status'] == 'finished':
+ def frag_progress_hook(s):
+ if s['status'] not in ('downloading', 'finished'):
+ return
+
+ frag_total_bytes = s.get('total_bytes', 0)
+ if s['status'] == 'finished':
state['downloaded_bytes'] += frag_total_bytes
- state['frag_counter'] += 1
- progress = self.calc_percent(state['frag_counter'], total_frags)
- byte_counter = state['downloaded_bytes']
+ state['frag_index'] += 1
+
+ estimated_size = (
+ (state['downloaded_bytes'] + frag_total_bytes)
+ / (state['frag_index'] + 1) * total_frags)
+ time_now = time.time()
+ state['total_bytes_estimate'] = estimated_size
+ state['elapsed'] = time_now - start
+
+ if s['status'] == 'finished':
+ progress = self.calc_percent(state['frag_index'], total_frags)
else:
- frag_downloaded_bytes = status['downloaded_bytes']
- byte_counter = state['downloaded_bytes'] + frag_downloaded_bytes
+ frag_downloaded_bytes = s['downloaded_bytes']
frag_progress = self.calc_percent(frag_downloaded_bytes,
frag_total_bytes)
- progress = self.calc_percent(state['frag_counter'], total_frags)
+ progress = self.calc_percent(state['frag_index'], 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)
+ state['eta'] = self.calc_eta(
+ start, time_now, estimated_size, state['downloaded_bytes'] + frag_downloaded_bytes)
+ state['speed'] = s.get('speed')
+ self._hook_progress(state)
+
http_dl.add_progress_hook(frag_progress_hook)
frags_filenames = []
frags_filenames.append(frag_filename)
dest_stream.close()
- self.report_finish(format_bytes(state['downloaded_bytes']), time.time() - start)
+ elapsed = time.time() - start
self.try_rename(tmpfilename, filename)
for frag_file in frags_filenames:
os.remove(frag_file)
'total_bytes': fsize,
'filename': filename,
'status': 'finished',
+ 'elapsed': elapsed,
})
return True
projects / youtube-dl / blobdiff