Plugin cleanup and tweaks
This commit is contained in:
@@ -1,23 +1,21 @@
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from __future__ import unicode_literals
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import re
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import io
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import binascii
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import io
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import re
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import urllib.parse
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from ..downloader import get_suitable_downloader
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from .fragment import FragmentFD
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from . import get_suitable_downloader
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from .external import FFmpegFD
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from ..compat import (
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compat_pycrypto_AES,
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compat_urlparse,
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)
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from ..utils import (
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parse_m3u8_attributes,
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update_url_query,
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bug_reports_message,
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)
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from .fragment import FragmentFD
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from .. import webvtt
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from ..dependencies import Cryptodome
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from ..utils import (
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bug_reports_message,
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parse_m3u8_attributes,
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remove_start,
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traverse_obj,
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update_url_query,
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urljoin,
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)
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class HlsFD(FragmentFD):
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@@ -70,12 +68,18 @@ class HlsFD(FragmentFD):
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s = urlh.read().decode('utf-8', 'ignore')
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can_download, message = self.can_download(s, info_dict, self.params.get('allow_unplayable_formats')), None
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if can_download and not compat_pycrypto_AES and '#EXT-X-KEY:METHOD=AES-128' in s:
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if FFmpegFD.available():
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if can_download:
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has_ffmpeg = FFmpegFD.available()
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no_crypto = not Cryptodome and '#EXT-X-KEY:METHOD=AES-128' in s
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if no_crypto and has_ffmpeg:
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can_download, message = False, 'The stream has AES-128 encryption and pycryptodomex is not available'
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else:
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elif no_crypto:
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message = ('The stream has AES-128 encryption and neither ffmpeg nor pycryptodomex are available; '
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'Decryption will be performed natively, but will be extremely slow')
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elif info_dict.get('extractor_key') == 'Generic' and re.search(r'(?m)#EXT-X-MEDIA-SEQUENCE:(?!0$)', s):
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install_ffmpeg = '' if has_ffmpeg else 'install ffmpeg and '
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message = ('Live HLS streams are not supported by the native downloader. If this is a livestream, '
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f'please {install_ffmpeg}add "--downloader ffmpeg --hls-use-mpegts" to your command')
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if not can_download:
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has_drm = re.search('|'.join([
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r'#EXT-X-FAXS-CM:', # Adobe Flash Access
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@@ -102,8 +106,7 @@ class HlsFD(FragmentFD):
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if real_downloader and not real_downloader.supports_manifest(s):
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real_downloader = None
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if real_downloader:
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self.to_screen(
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'[%s] Fragment downloads will be delegated to %s' % (self.FD_NAME, real_downloader.get_basename()))
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self.to_screen(f'[{self.FD_NAME}] Fragment downloads will be delegated to {real_downloader.get_basename()}')
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def is_ad_fragment_start(s):
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return (s.startswith('#ANVATO-SEGMENT-INFO') and 'type=ad' in s
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@@ -150,10 +153,17 @@ class HlsFD(FragmentFD):
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extra_query = None
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extra_param_to_segment_url = info_dict.get('extra_param_to_segment_url')
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if extra_param_to_segment_url:
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extra_query = compat_urlparse.parse_qs(extra_param_to_segment_url)
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extra_query = urllib.parse.parse_qs(extra_param_to_segment_url)
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i = 0
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media_sequence = 0
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decrypt_info = {'METHOD': 'NONE'}
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external_aes_key = traverse_obj(info_dict, ('hls_aes', 'key'))
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if external_aes_key:
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external_aes_key = binascii.unhexlify(remove_start(external_aes_key, '0x'))
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assert len(external_aes_key) in (16, 24, 32), 'Invalid length for HLS AES-128 key'
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external_aes_iv = traverse_obj(info_dict, ('hls_aes', 'iv'))
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if external_aes_iv:
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external_aes_iv = binascii.unhexlify(remove_start(external_aes_iv, '0x').zfill(32))
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byte_range = {}
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discontinuity_count = 0
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frag_index = 0
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@@ -169,10 +179,7 @@ class HlsFD(FragmentFD):
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frag_index += 1
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if frag_index <= ctx['fragment_index']:
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continue
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frag_url = (
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line
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if re.match(r'^https?://', line)
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else compat_urlparse.urljoin(man_url, line))
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frag_url = urljoin(man_url, line)
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if extra_query:
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frag_url = update_url_query(frag_url, extra_query)
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@@ -194,13 +201,18 @@ class HlsFD(FragmentFD):
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return False
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frag_index += 1
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map_info = parse_m3u8_attributes(line[11:])
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frag_url = (
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map_info.get('URI')
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if re.match(r'^https?://', map_info.get('URI'))
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else compat_urlparse.urljoin(man_url, map_info.get('URI')))
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frag_url = urljoin(man_url, map_info.get('URI'))
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if extra_query:
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frag_url = update_url_query(frag_url, extra_query)
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if map_info.get('BYTERANGE'):
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splitted_byte_range = map_info.get('BYTERANGE').split('@')
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sub_range_start = int(splitted_byte_range[1]) if len(splitted_byte_range) == 2 else byte_range['end']
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byte_range = {
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'start': sub_range_start,
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'end': sub_range_start + int(splitted_byte_range[0]),
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}
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fragments.append({
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'frag_index': frag_index,
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'url': frag_url,
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@@ -210,27 +222,22 @@ class HlsFD(FragmentFD):
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})
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media_sequence += 1
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if map_info.get('BYTERANGE'):
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splitted_byte_range = map_info.get('BYTERANGE').split('@')
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sub_range_start = int(splitted_byte_range[1]) if len(splitted_byte_range) == 2 else byte_range['end']
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byte_range = {
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'start': sub_range_start,
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'end': sub_range_start + int(splitted_byte_range[0]),
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}
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elif line.startswith('#EXT-X-KEY'):
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decrypt_url = decrypt_info.get('URI')
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decrypt_info = parse_m3u8_attributes(line[11:])
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if decrypt_info['METHOD'] == 'AES-128':
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if 'IV' in decrypt_info:
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if external_aes_iv:
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decrypt_info['IV'] = external_aes_iv
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elif 'IV' in decrypt_info:
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decrypt_info['IV'] = binascii.unhexlify(decrypt_info['IV'][2:].zfill(32))
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if not re.match(r'^https?://', decrypt_info['URI']):
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decrypt_info['URI'] = compat_urlparse.urljoin(
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man_url, decrypt_info['URI'])
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if extra_query:
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decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_query)
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if decrypt_url != decrypt_info['URI']:
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decrypt_info['KEY'] = None
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if external_aes_key:
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decrypt_info['KEY'] = external_aes_key
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else:
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decrypt_info['URI'] = urljoin(man_url, decrypt_info['URI'])
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if extra_query:
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decrypt_info['URI'] = update_url_query(decrypt_info['URI'], extra_query)
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if decrypt_url != decrypt_info['URI']:
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decrypt_info['KEY'] = None
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elif line.startswith('#EXT-X-MEDIA-SEQUENCE'):
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media_sequence = int(line[22:])
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@@ -339,7 +346,7 @@ class HlsFD(FragmentFD):
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continue
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block.write_into(output)
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return output.getvalue().encode('utf-8')
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return output.getvalue().encode()
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def fin_fragments():
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dedup_window = extra_state.get('webvtt_dedup_window')
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@@ -350,7 +357,7 @@ class HlsFD(FragmentFD):
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for cue in dedup_window:
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webvtt.CueBlock.from_json(cue).write_into(output)
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return output.getvalue().encode('utf-8')
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return output.getvalue().encode()
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self.download_and_append_fragments(
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ctx, fragments, info_dict, pack_func=pack_fragment, finish_func=fin_fragments)
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