[DashSegmentsFD] Correctly detect errors when fragment_retries == 0

* use the success flag instead of the retry count
* establish the fragment_url outside the retry loop
* only report skipping a fragment once.
* resolves #32033
This commit is contained in:
dirkf 2023-04-13 00:15:07 +01:00
parent 2da3fa04a6
commit 26035bde46

View file

@ -38,12 +38,13 @@ class DashSegmentsFD(FragmentFD):
# In DASH, the first segment contains necessary headers to
# generate a valid MP4 file, so always abort for the first segment
fatal = frag_index == 1 or not skip_unavailable_fragments
fragment_url = fragment.get('url')
if not fragment_url:
assert fragment_base_url
fragment_url = urljoin(fragment_base_url, fragment['path'])
success = False
for count in itertools.count():
try:
fragment_url = fragment.get('url')
if not fragment_url:
assert fragment_base_url
fragment_url = urljoin(fragment_base_url, fragment['path'])
success, frag_content = self._download_fragment(ctx, fragment_url, info_dict)
if not success:
return False
@ -63,14 +64,13 @@ class DashSegmentsFD(FragmentFD):
# itself since it has its own retry settings
if fatal:
raise
self.report_skip_fragment(frag_index)
break
if count >= fragment_retries:
if not success:
if not fatal:
self.report_skip_fragment(frag_index)
continue
self.report_error('giving up after %s fragment retries' % fragment_retries)
self.report_error('giving up after %s fragment retries' % count)
return False
self._finish_frag_download(ctx)