diff options
Diffstat (limited to 'youtube_dl/downloader/dash.py')
| -rw-r--r-- | youtube_dl/downloader/dash.py | 50 |
1 files changed, 19 insertions, 31 deletions
diff --git a/youtube_dl/downloader/dash.py b/youtube_dl/downloader/dash.py index 8437dde30..576ece6db 100644 --- a/youtube_dl/downloader/dash.py +++ b/youtube_dl/downloader/dash.py @@ -1,13 +1,8 @@ from __future__ import unicode_literals -import os - from .fragment import FragmentFD from ..compat import compat_urllib_error -from ..utils import ( - sanitize_open, - encodeFilename, -) +from ..utils import urljoin class DashSegmentsFD(FragmentFD): @@ -18,38 +13,39 @@ class DashSegmentsFD(FragmentFD): FD_NAME = 'dashsegments' def real_download(self, filename, info_dict): - segments = info_dict['fragments'][:1] if self.params.get( + fragment_base_url = info_dict.get('fragment_base_url') + fragments = info_dict['fragments'][:1] if self.params.get( 'test', False) else info_dict['fragments'] ctx = { 'filename': filename, - 'total_frags': len(segments), + 'total_frags': len(fragments), } 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, fragment in enumerate(fragments): + 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}) + 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 - 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 @@ -60,22 +56,14 @@ class DashSegmentsFD(FragmentFD): # 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 |