mirror of
https://github.com/yt-dlp/yt-dlp.git
synced 2024-12-17 10:59:54 +01:00
63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
from __future__ import unicode_literals
|
|
|
|
from ..downloader import get_suitable_downloader
|
|
from .fragment import FragmentFD
|
|
|
|
from ..utils import urljoin
|
|
|
|
|
|
class DashSegmentsFD(FragmentFD):
|
|
"""
|
|
Download segments in a DASH manifest. External downloaders can take over
|
|
the fragment downloads by supporting the 'dash_frag_urls' protocol
|
|
"""
|
|
|
|
FD_NAME = 'dashsegments'
|
|
|
|
def real_download(self, filename, info_dict):
|
|
if info_dict.get('is_live'):
|
|
self.report_error('Live DASH videos are not supported')
|
|
|
|
fragment_base_url = info_dict.get('fragment_base_url')
|
|
fragments = info_dict['fragments'][:1] if self.params.get(
|
|
'test', False) else info_dict['fragments']
|
|
|
|
real_downloader = get_suitable_downloader(
|
|
info_dict, self.params, None, protocol='dash_frag_urls', to_stdout=(filename == '-'))
|
|
|
|
ctx = {
|
|
'filename': filename,
|
|
'total_frags': len(fragments),
|
|
}
|
|
|
|
if real_downloader:
|
|
self._prepare_external_frag_download(ctx)
|
|
else:
|
|
self._prepare_and_start_frag_download(ctx, info_dict)
|
|
|
|
fragments_to_download = []
|
|
frag_index = 0
|
|
for i, fragment in enumerate(fragments):
|
|
frag_index += 1
|
|
if frag_index <= ctx['fragment_index']:
|
|
continue
|
|
fragment_url = fragment.get('url')
|
|
if not fragment_url:
|
|
assert fragment_base_url
|
|
fragment_url = urljoin(fragment_base_url, fragment['path'])
|
|
|
|
fragments_to_download.append({
|
|
'frag_index': frag_index,
|
|
'index': i,
|
|
'url': fragment_url,
|
|
})
|
|
|
|
if real_downloader:
|
|
self.to_screen(
|
|
'[%s] Fragment downloads will be delegated to %s' % (self.FD_NAME, real_downloader.get_basename()))
|
|
info_dict['fragments'] = fragments_to_download
|
|
fd = real_downloader(self.ydl, self.params)
|
|
return fd.real_download(filename, info_dict)
|
|
|
|
return self.download_and_append_fragments(ctx, fragments_to_download, info_dict)
|