mirror of
https://github.com/ytdl-org/youtube-dl
synced 2024-08-25 03:30:40 +02:00
[f4m] Tolerate missed fragments on live streams
This commit is contained in:
parent
c4f8c453ae
commit
5eaaeb7c31
@ -11,6 +11,7 @@ from .common import FileDownloader
|
||||
from .http import HttpFD
|
||||
from ..compat import (
|
||||
compat_urlparse,
|
||||
compat_urllib_error,
|
||||
)
|
||||
from ..utils import (
|
||||
struct_pack,
|
||||
@ -389,22 +390,38 @@ class F4mFD(FileDownloader):
|
||||
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:
|
||||
down_data = down.read()
|
||||
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)
|
||||
try:
|
||||
success = http_dl.download(frag_filename, {'url': url})
|
||||
if not success:
|
||||
return False
|
||||
with open(frag_filename, 'rb') as down:
|
||||
down_data = down.read()
|
||||
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
|
||||
if live:
|
||||
os.remove(frag_filename)
|
||||
else:
|
||||
frags_filenames.append(frag_filename)
|
||||
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()
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user