mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-11-21 20:46:36 -05:00
[f4m] Implement f4m fd in terms of fragment fd
This commit is contained in:
Sergey M․
parent
95d8f7ea12
commit
ab81ef8fa7
1 changed files with 17 additions and 81 deletions
|
|
@ -7,8 +7,7 @@
|
|||
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,
|
||||
|
|
@ -16,8 +15,6 @@
|
|||
from ..utils import (
|
||||
struct_pack,
|
||||
struct_unpack,
|
||||
encodeFilename,
|
||||
sanitize_open,
|
||||
xpath_text,
|
||||
)
|
||||
|
||||
|
|
@ -226,16 +223,13 @@ def _add_ns(prop):
|
|||
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:
|
||||
|
|
@ -288,7 +282,7 @@ def _parse_bootstrap_node(self, node, base_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)
|
||||
|
|
@ -320,67 +314,20 @@ def real_download(self, filename, info_dict):
|
|||
# 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:
|
||||
|
|
@ -391,9 +338,9 @@ def frag_progress_hook(s):
|
|||
url += '?' + akamai_pv.strip(';')
|
||||
if info_dict.get('extra_param_to_segment_url'):
|
||||
url += info_dict.get('extra_param_to_segment_url')
|
||||
frag_filename = '%s-%s' % (tmpfilename, name)
|
||||
frag_filename = '%s-%s' % (ctx['tmpfilename'], name)
|
||||
try:
|
||||
success = http_dl.download(frag_filename, {'url': url})
|
||||
success = ctx['dl'].download(frag_filename, {'url': url})
|
||||
if not success:
|
||||
return False
|
||||
with open(frag_filename, 'rb') as down:
|
||||
|
|
@ -425,20 +372,9 @@ def frag_progress_hook(s):
|
|||
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,
|
||||
})
|
||||
|
||||
return True
|
||||
|
|
|
|||
Loading…
Reference in a new issue