from __future__ import unicode_literals
-import os
-
from .fragment import FragmentFD
from ..compat import compat_urllib_error
-from ..utils import (
- sanitize_open,
- encodeFilename,
-)
class DashSegmentsFD(FragmentFD):
self._prepare_and_start_frag_download(ctx)
- segments_filenames = []
-
fragment_retries = self.params.get('fragment_retries', 0)
skip_unavailable_fragments = self.params.get('skip_unavailable_fragments', True)
- def process_segment(segment, tmp_filename, num):
- segment_url = segment['url']
- segment_name = 'Frag%d' % num
- target_filename = '%s-%s' % (tmp_filename, segment_name)
+ frag_index = 0
+ for i, segment in enumerate(segments):
+ frag_index += 1
+ if frag_index <= ctx['fragment_index']:
+ continue
# In DASH, the first segment contains necessary headers to
# generate a valid MP4 file, so always abort for the first segment
- fatal = num == 0 or not skip_unavailable_fragments
+ fatal = i == 0 or not skip_unavailable_fragments
count = 0
while count <= fragment_retries:
try:
- success = ctx['dl'].download(target_filename, {
- 'url': segment_url,
- 'http_headers': info_dict.get('http_headers'),
- })
+ success, frag_content = self._download_fragment(ctx, segment['url'], info_dict)
if not success:
return False
- down, target_sanitized = sanitize_open(target_filename, 'rb')
- ctx['dest_stream'].write(down.read())
- down.close()
- segments_filenames.append(target_sanitized)
+ self._append_fragment(ctx, frag_content)
break
except compat_urllib_error.HTTPError as err:
# YouTube may often return 404 HTTP error for a fragment causing the
# HTTP error.
count += 1
if count <= fragment_retries:
- self.report_retry_fragment(err, segment_name, count, fragment_retries)
+ self.report_retry_fragment(err, frag_index, count, fragment_retries)
if count > fragment_retries:
if not fatal:
- self.report_skip_fragment(segment_name)
- return True
+ self.report_skip_fragment(frag_index)
+ continue
self.report_error('giving up after %s fragment retries' % fragment_retries)
return False
- return True
-
- for i, segment in enumerate(segments):
- if not process_segment(segment, ctx['tmpfilename'], i):
- return False
self._finish_frag_download(ctx)
- for segment_file in segments_filenames:
- os.remove(encodeFilename(segment_file))
-
return True