diff options
Diffstat (limited to 'youtube_dl/downloader/hls.py')
| -rw-r--r-- | youtube_dl/downloader/hls.py | 65 |
1 files changed, 50 insertions, 15 deletions
diff --git a/youtube_dl/downloader/hls.py b/youtube_dl/downloader/hls.py index 8d7971e..7373ec0 100644 --- a/youtube_dl/downloader/hls.py +++ b/youtube_dl/downloader/hls.py @@ -13,6 +13,7 @@ from .fragment import FragmentFD from .external import FFmpegFD from ..compat import ( + compat_urllib_error, compat_urlparse, compat_struct_pack, ) @@ -30,7 +31,7 @@ class HlsFD(FragmentFD): FD_NAME = 'hlsnative' @staticmethod - def can_download(manifest): + def can_download(manifest, info_dict): UNSUPPORTED_FEATURES = ( r'#EXT-X-KEY:METHOD=(?!NONE|AES-128)', # encrypted streams [1] r'#EXT-X-BYTERANGE', # playlists composed of byte ranges of media files [2] @@ -52,16 +53,18 @@ class HlsFD(FragmentFD): ) check_results = [not re.search(feature, manifest) for feature in UNSUPPORTED_FEATURES] check_results.append(can_decrypt_frag or '#EXT-X-KEY:METHOD=AES-128' not in manifest) + check_results.append(not info_dict.get('is_live')) return all(check_results) def real_download(self, filename, info_dict): man_url = info_dict['url'] self.to_screen('[%s] Downloading m3u8 manifest' % self.FD_NAME) - manifest = self.ydl.urlopen(man_url).read() + + manifest = self.ydl.urlopen(self._prepare_url(info_dict, man_url)).read() s = manifest.decode('utf-8', 'ignore') - if not self.can_download(s): + if not self.can_download(s, info_dict): self.report_warning( 'hlsnative has detected features it does not support, ' 'extraction will be delegated to ffmpeg') @@ -83,7 +86,14 @@ class HlsFD(FragmentFD): self._prepare_and_start_frag_download(ctx) + fragment_retries = self.params.get('fragment_retries', 0) + skip_unavailable_fragments = self.params.get('skip_unavailable_fragments', True) + test = self.params.get('test', False) + + extra_query = None extra_param_to_segment_url = info_dict.get('extra_param_to_segment_url') + if extra_param_to_segment_url: + extra_query = compat_urlparse.parse_qs(extra_param_to_segment_url) i = 0 media_sequence = 0 decrypt_info = {'METHOD': 'NONE'} @@ -96,15 +106,40 @@ class HlsFD(FragmentFD): line if re.match(r'^https?://', line) else compat_urlparse.urljoin(man_url, line)) - frag_filename = '%s-Frag%d' % (ctx['tmpfilename'], i) - if extra_param_to_segment_url: - frag_url = update_url_query(frag_url, extra_param_to_segment_url) - success = ctx['dl'].download(frag_filename, {'url': frag_url}) - if not success: + frag_name = 'Frag%d' % i + frag_filename = '%s-%s' % (ctx['tmpfilename'], frag_name) + if extra_query: + frag_url = update_url_query(frag_url, extra_query) + count = 0 + while count <= fragment_retries: + try: + success = ctx['dl'].download(frag_filename, { + 'url': frag_url, + 'http_headers': info_dict.get('http_headers'), + }) + if not success: + return False + down, frag_sanitized = sanitize_open(frag_filename, 'rb') + frag_content = down.read() + down.close() + break + except compat_urllib_error.HTTPError as err: + # Unavailable (possibly temporary) fragments may be served. + # First we try to retry then either skip or abort. + # See https://github.com/rg3/youtube-dl/issues/10165, + # https://github.com/rg3/youtube-dl/issues/10448). + count += 1 + if count <= fragment_retries: + self.report_retry_fragment(err, frag_name, count, fragment_retries) + if count > fragment_retries: + if skip_unavailable_fragments: + i += 1 + media_sequence += 1 + self.report_skip_fragment(frag_name) + continue + self.report_error( + 'giving up after %s fragment retries' % fragment_retries) return False - down, frag_sanitized = sanitize_open(frag_filename, 'rb') - frag_content = down.read() - down.close() if decrypt_info['METHOD'] == 'AES-128': iv = decrypt_info.get('IV') or compat_struct_pack('>8xq', media_sequence) frag_content = AES.new( @@ -112,7 +147,7 @@ class HlsFD(FragmentFD): ctx['dest_stream'].write(frag_content) frags_filenames.append(frag_sanitized) # We only download the first fragment during the test - if self.params.get('test', False): + if test: break i += 1 media_sequence += 1 @@ -120,12 +155,12 @@ class HlsFD(FragmentFD): decrypt_info = parse_m3u8_attributes(line[11:]) if decrypt_info['METHOD'] == 'AES-128': if 'IV' in decrypt_info: - decrypt_info['IV'] = binascii.unhexlify(decrypt_info['IV'][2:]) + decrypt_info['IV'] = binascii.unhexlify(decrypt_info['IV'][2:].zfill(32)) if not re.match(r'^https?://', decrypt_info['URI']): decrypt_info['URI'] = compat_urlparse.urljoin( man_url, decrypt_info['URI']) - if extra_param_to_segment_url: - decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_param_to_segment_url) + if extra_query: + decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_query) decrypt_info['KEY'] = self.ydl.urlopen(decrypt_info['URI']).read() elif line.startswith('#EXT-X-MEDIA-SEQUENCE'): media_sequence = int(line[22:]) |