import time
import xml.etree.ElementTree as etree
-from .common import FileDownloader
-from .http import HttpFD
+from .fragment import FragmentFD
from ..compat import (
compat_urlparse,
+ compat_urllib_error,
)
from ..utils import (
struct_pack,
struct_unpack,
- encodeFilename,
- sanitize_open,
xpath_text,
)
return '{http://ns.adobe.com/f4m/1.0}%s' % prop
-class HttpQuietDownloader(HttpFD):
- def to_screen(self, *args, **kargs):
- pass
-
-
-class F4mFD(FileDownloader):
+class F4mFD(FragmentFD):
"""
A downloader for f4m manifests or AdobeHDS.
"""
+ FD_NAME = 'f4m'
+
def _get_unencrypted_media(self, doc):
media = doc.findall(_add_ns('media'))
if not media:
boot_info = self._get_bootstrap_from_url(bootstrap_url)
else:
bootstrap_url = None
- bootstrap = base64.b64decode(node.text)
+ bootstrap = base64.b64decode(node.text.encode('ascii'))
boot_info = read_bootstrap_info(bootstrap)
return (boot_info, bootstrap_url)
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')
+ self.to_screen('[%s] Downloading f4m manifest' % self.FD_NAME)
manifest = self.ydl.urlopen(man_url).read()
doc = etree.fromstring(manifest)
live = boot_info['live']
metadata_node = media.find(_add_ns('metadata'))
if metadata_node is not None:
- metadata = base64.b64decode(metadata_node.text)
+ metadata = base64.b64decode(metadata_node.text.encode('ascii'))
else:
metadata = None
# 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')
+ ctx = {
+ 'filename': filename,
+ 'total_frags': total_frags,
+ }
+
+ self._prepare_frag_download(ctx)
+
+ dest_stream = ctx['dest_stream']
write_flv_header(dest_stream)
if not live:
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_index': 0,
- 'frag_count': total_frags,
- 'filename': filename,
- 'tmpfilename': tmpfilename,
- }
- start = time.time()
-
- 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_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 = s['downloaded_bytes']
- frag_progress = self.calc_percent(frag_downloaded_bytes,
- frag_total_bytes)
- progress = self.calc_percent(state['frag_index'], total_frags)
- progress += frag_progress / float(total_frags)
-
- 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)
+ self._start_frag_download(ctx)
frags_filenames = []
while fragments_list:
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:
- return False
- with open(frag_filename, 'rb') as down:
+ if info_dict.get('extra_param_to_segment_url'):
+ url += info_dict.get('extra_param_to_segment_url')
+ frag_filename = '%s-%s' % (ctx['tmpfilename'], name)
+ try:
+ success = ctx['dl'].download(frag_filename, {'url': url})
+ if not success:
+ return False
+ (down, frag_sanitized) = sanitize_open(frag_filename, 'rb')
down_data = down.read()
+ down.close()
reader = FlvReader(down_data)
while True:
_, box_type, box_data = reader.read_box_info()
if box_type == b'mdat':
dest_stream.write(box_data)
break
- frags_filenames.append(frag_filename)
+ if live:
+ os.remove(encodeFilename(frag_sanitized))
+ else:
+ frags_filenames.append(frag_sanitized)
+ except (compat_urllib_error.HTTPError, ) as err:
+ if live and (err.code == 404 or err.code == 410):
+ # We didn't keep up with the live window. Continue
+ # with the next available fragment.
+ msg = 'Fragment %d unavailable' % frag_i
+ self.report_warning(msg)
+ fragments_list = []
+ else:
+ raise
if not fragments_list and live and bootstrap_url:
fragments_list = self._update_live_fragments(bootstrap_url, frag_i)
- self.to_screen('Updated available fragments: %d' % len(fragments_list))
+ total_frags += len(fragments_list)
+ if fragments_list and (fragments_list[0][1] > frag_i + 1):
+ msg = 'Missed %d fragments' % (fragments_list[0][1] - (frag_i + 1))
+ self.report_warning(msg)
- dest_stream.close()
+ self._finish_frag_download(ctx)
- elapsed = time.time() - start
- self.try_rename(tmpfilename, filename)
for frag_file in frags_filenames:
- os.remove(frag_file)
-
- fsize = os.path.getsize(encodeFilename(filename))
- self._hook_progress({
- 'downloaded_bytes': fsize,
- 'total_bytes': fsize,
- 'filename': filename,
- 'status': 'finished',
- 'elapsed': elapsed,
- })
+ os.remove(encodeFilename(frag_file))
return True
projects / youtube-dl / blobdiff