X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/ced7488f6d3a519b2c1b1cbd31048743fb8285bd..a5a28b1eabe0533f26d23c4157c97144215b22b7:/youtube_dl/downloader/hls.py?ds=sidebyside diff --git a/youtube_dl/downloader/hls.py b/youtube_dl/downloader/hls.py index 8d7971e..fd30452 100644 --- a/youtube_dl/downloader/hls.py +++ b/youtube_dl/downloader/hls.py @@ -1,6 +1,5 @@ from __future__ import unicode_literals -import os.path import re import binascii try: @@ -13,12 +12,11 @@ from .fragment import FragmentFD from .external import FFmpegFD from ..compat import ( + compat_urllib_error, compat_urlparse, compat_struct_pack, ) from ..utils import ( - encodeFilename, - sanitize_open, parse_m3u8_attributes, update_url_query, ) @@ -30,10 +28,10 @@ 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] + # r'#EXT-X-BYTERANGE', # playlists composed of byte ranges of media files [2] # Live streams heuristic does not always work (e.g. geo restricted to Germany # http://hls-geo.daserste.de/i/videoportal/Film/c_620000/622873/format,716451,716457,716450,716458,716459,.mp4.csmil/index_4_av.m3u8?null=0) @@ -51,17 +49,24 @@ class HlsFD(FragmentFD): # 4. https://tools.ietf.org/html/draft-pantos-http-live-streaming-17#section-4.3.3.5 ) 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) + is_aes128_enc = '#EXT-X-KEY:METHOD=AES-128' in manifest + check_results.append(can_decrypt_frag or not is_aes128_enc) + check_results.append(not (is_aes128_enc and r'#EXT-X-BYTERANGE' 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() - s = manifest.decode('utf-8', 'ignore') + urlh = self.ydl.urlopen(self._prepare_url(info_dict, man_url)) + man_url = urlh.geturl() + s = urlh.read().decode('utf-8', 'ignore') - if not self.can_download(s): + if not self.can_download(s, info_dict): + if info_dict.get('extra_param_to_segment_url'): + self.report_error('pycrypto not found. Please install it.') + return False self.report_warning( 'hlsnative has detected features it does not support, ' 'extraction will be delegated to ffmpeg') @@ -70,69 +75,130 @@ class HlsFD(FragmentFD): fd.add_progress_hook(ph) return fd.real_download(filename, info_dict) - total_frags = 0 + def is_ad_fragment(s): + return (s.startswith('#ANVATO-SEGMENT-INFO') and 'type=ad' in s or + s.startswith('#UPLYNK-SEGMENT') and s.endswith(',ad')) + + media_frags = 0 + ad_frags = 0 + ad_frag_next = False for line in s.splitlines(): line = line.strip() - if line and not line.startswith('#'): - total_frags += 1 + if not line: + continue + if line.startswith('#'): + if is_ad_fragment(line): + ad_frags += 1 + ad_frag_next = True + continue + if ad_frag_next: + ad_frag_next = False + continue + media_frags += 1 ctx = { 'filename': filename, - 'total_frags': total_frags, + 'total_frags': media_frags, + 'ad_frags': ad_frags, } 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'} - frags_filenames = [] + byte_range = {} + frag_index = 0 + ad_frag_next = False for line in s.splitlines(): line = line.strip() if line: if not line.startswith('#'): + if ad_frag_next: + ad_frag_next = False + continue + frag_index += 1 + if frag_index <= ctx['fragment_index']: + continue frag_url = ( 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: + if extra_query: + frag_url = update_url_query(frag_url, extra_query) + count = 0 + headers = info_dict.get('http_headers', {}) + if byte_range: + headers['Range'] = 'bytes=%d-%d' % (byte_range['start'], byte_range['end']) + while count <= fragment_retries: + try: + success, frag_content = self._download_fragment( + ctx, frag_url, info_dict, headers) + if not success: + return False + 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_index, count, fragment_retries) + if count > fragment_retries: + if skip_unavailable_fragments: + i += 1 + media_sequence += 1 + self.report_skip_fragment(frag_index) + 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) + decrypt_info['KEY'] = decrypt_info.get('KEY') or self.ydl.urlopen( + self._prepare_url(info_dict, decrypt_info['URI'])).read() frag_content = AES.new( decrypt_info['KEY'], AES.MODE_CBC, iv).decrypt(frag_content) - ctx['dest_stream'].write(frag_content) - frags_filenames.append(frag_sanitized) + self._append_fragment(ctx, frag_content) # We only download the first fragment during the test - if self.params.get('test', False): + if test: break i += 1 media_sequence += 1 elif line.startswith('#EXT-X-KEY'): + decrypt_url = decrypt_info.get('URI') 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) - decrypt_info['KEY'] = self.ydl.urlopen(decrypt_info['URI']).read() + if extra_query: + decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_query) + if decrypt_url != decrypt_info['URI']: + decrypt_info['KEY'] = None elif line.startswith('#EXT-X-MEDIA-SEQUENCE'): media_sequence = int(line[22:]) + elif line.startswith('#EXT-X-BYTERANGE'): + splitted_byte_range = line[17:].split('@') + sub_range_start = int(splitted_byte_range[1]) if len(splitted_byte_range) == 2 else byte_range['end'] + byte_range = { + 'start': sub_range_start, + 'end': sub_range_start + int(splitted_byte_range[0]), + } + elif is_ad_fragment(line): + ad_frag_next = True self._finish_frag_download(ctx) - for frag_file in frags_filenames: - os.remove(encodeFilename(frag_file)) - return True