paradizelost/youtube-dl
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[downloader/dash] Support range in fragment (format f'{start}-{end}')

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* adapted from https://github.com/ytdl-org/youtube-dl/pull/30279
 * thx former GH user kikuyan
This commit is contained in:
dirkf 2024-01-27 00:07:14 +00:00
parent c58b655a9e
commit bec9180e89
1 changed files with 7 additions and 2 deletions
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9
youtube_dl/downloader/dash.py
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@ -35,6 +35,7 @@ class DashSegmentsFD(FragmentFD):
for frag_index, fragment in enumerate(fragments, 1): for frag_index, fragment in enumerate(fragments, 1):
if frag_index <= ctx['fragment_index']: if frag_index <= ctx['fragment_index']:
continue continue
success = False
# In DASH, the first segment contains necessary headers to # In DASH, the first segment contains necessary headers to
# generate a valid MP4 file, so always abort for the first segment # generate a valid MP4 file, so always abort for the first segment
fatal = frag_index == 1 or not skip_unavailable_fragments fatal = frag_index == 1 or not skip_unavailable_fragments
@ -42,10 +43,14 @@ class DashSegmentsFD(FragmentFD):
if not fragment_url: if not fragment_url:
assert fragment_base_url assert fragment_base_url
fragment_url = urljoin(fragment_base_url, fragment['path']) fragment_url = urljoin(fragment_base_url, fragment['path'])
success = False headers = info_dict.get('http_headers')
fragment_range = fragment.get('range')
if fragment_range:
headers = headers.copy() if headers else {}
headers['Range'] = 'bytes=%s' % (fragment_range,)
for count in itertools.count(): for count in itertools.count():
try: try:
success, frag_content = self._download_fragment(ctx, fragment_url, info_dict) success, frag_content = self._download_fragment(ctx, fragment_url, info_dict, headers)
if not success: if not success:
return False return False
self._append_fragment(ctx, frag_content) self._append_fragment(ctx, frag_content)