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[rtve] improve extraction
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- extract all formats
- fix RTVE Infantil extraction(closes ytdl-org#24851)
- extract is_live and series
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@remitamine @leshasmlesha
remitamine authored and leshasmlesha committed Apr 3, 2021
1 parent 6e9b452 commit 17fa852
Showing 1 changed file with 104 additions and 128 deletions.
232 changes: 104 additions & 128 deletions youtube_dl/extractor/rtve.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,9 @@
from __future__ import unicode_literals

import base64
import io
import re
import time
import sys

from .common import InfoExtractor
from ..compat import (
Expand All @@ -14,56 +15,13 @@
determine_ext,
ExtractorError,
float_or_none,
qualities,
remove_end,
remove_start,
sanitized_Request,
std_headers,
)


def _decrypt_url(png):
encrypted_data = compat_b64decode(png)
text_index = encrypted_data.find(b'tEXt')
text_chunk = encrypted_data[text_index - 4:]
length = compat_struct_unpack('!I', text_chunk[:4])[0]
# Use bytearray to get integers when iterating in both python 2.x and 3.x
data = bytearray(text_chunk[8:8 + length])
data = [chr(b) for b in data if b != 0]
hash_index = data.index('#')
alphabet_data = data[:hash_index]
url_data = data[hash_index + 1:]
if url_data[0] == 'H' and url_data[3] == '%':
# remove useless HQ%% at the start
url_data = url_data[4:]

alphabet = []
e = 0
d = 0
for l in alphabet_data:
if d == 0:
alphabet.append(l)
d = e = (e + 1) % 4
else:
d -= 1
url = ''
f = 0
e = 3
b = 1
for letter in url_data:
if f == 0:
l = int(letter) * 10
f = 1
else:
if e == 0:
l += int(letter)
url += alphabet[l]
e = (b + 3) % 4
f = 0
b += 1
else:
e -= 1

return url
_bytes_to_chr = (lambda x: x) if sys.version_info[0] == 2 else (lambda x: map(chr, x))


class RTVEALaCartaIE(InfoExtractor):
Expand All @@ -79,28 +37,31 @@ class RTVEALaCartaIE(InfoExtractor):
'ext': 'mp4',
'title': 'Balonmano - Swiss Cup masculina. Final: España-Suecia',
'duration': 5024.566,
'series': 'Balonmano',
},
'expected_warnings': ['Failed to download MPD manifest', 'Failed to download m3u8 information'],
}, {
'note': 'Live stream',
'url': 'http://www.rtve.es/alacarta/videos/television/24h-live/1694255/',
'info_dict': {
'id': '1694255',
'ext': 'flv',
'title': 'TODO',
'ext': 'mp4',
'title': 're:^24H LIVE [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
'is_live': True,
},
'params': {
'skip_download': 'live stream',
},
'skip': 'The f4m manifest can\'t be used yet',
}, {
'url': 'http://www.rtve.es/alacarta/videos/servir-y-proteger/servir-proteger-capitulo-104/4236788/',
'md5': 'e55e162379ad587e9640eda4f7353c0f',
'md5': 'd850f3c8731ea53952ebab489cf81cbf',
'info_dict': {
'id': '4236788',
'ext': 'mp4',
'title': 'Servir y proteger - Capítulo 104 ',
'title': 'Servir y proteger - Capítulo 104',
'duration': 3222.0,
},
'params': {
'skip_download': True, # requires ffmpeg
},
'expected_warnings': ['Failed to download MPD manifest', 'Failed to download m3u8 information'],
}, {
'url': 'http://www.rtve.es/m/alacarta/videos/cuentame-como-paso/cuentame-como-paso-t16-ultimo-minuto-nuestra-vida-capitulo-276/2969138/?media=tve',
'only_matching': True,
Expand All @@ -111,58 +72,102 @@ class RTVEALaCartaIE(InfoExtractor):

def _real_initialize(self):
user_agent_b64 = base64.b64encode(std_headers['User-Agent'].encode('utf-8')).decode('utf-8')
manager_info = self._download_json(
self._manager = self._download_json(
'http://www.rtve.es/odin/loki/' + user_agent_b64,
None, 'Fetching manager info')
self._manager = manager_info['manager']
None, 'Fetching manager info')['manager']

@staticmethod
def _decrypt_url(png):
encrypted_data = io.BytesIO(compat_b64decode(png)[8:])
while True:
length = compat_struct_unpack('!I', encrypted_data.read(4))[0]
chunk_type = encrypted_data.read(4)
if chunk_type == b'IEND':
break
data = encrypted_data.read(length)
if chunk_type == b'tEXt':
alphabet_data, text = data.split(b'\0')
quality, url_data = text.split(b'%%')
alphabet = []
e = 0
d = 0
for l in _bytes_to_chr(alphabet_data):
if d == 0:
alphabet.append(l)
d = e = (e + 1) % 4
else:
d -= 1
url = ''
f = 0
e = 3
b = 1
for letter in _bytes_to_chr(url_data):
if f == 0:
l = int(letter) * 10
f = 1
else:
if e == 0:
l += int(letter)
url += alphabet[l]
e = (b + 3) % 4
f = 0
b += 1
else:
e -= 1

yield quality.decode(), url
encrypted_data.read(4) # CRC

def _extract_png_formats(self, video_id):
png = self._download_webpage(
'http://www.rtve.es/ztnr/movil/thumbnail/%s/videos/%s.png' % (self._manager, video_id),
video_id, 'Downloading url information', query={'q': 'v2'})
q = qualities(['Media', 'Alta', 'HQ', 'HD_READY', 'HD_FULL'])
formats = []
for quality, video_url in self._decrypt_url(png):
ext = determine_ext(video_url)
if ext == 'm3u8':
formats.extend(self._extract_m3u8_formats(
video_url, video_id, 'mp4', 'm3u8_native',
m3u8_id='hls', fatal=False))
elif ext == 'mpd':
formats.extend(self._extract_mpd_formats(
video_url, video_id, 'dash', fatal=False))
else:
formats.append({
'format_id': quality,
'quality': q(quality),
'url': video_url,
})
self._sort_formats(formats)
return formats

def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
video_id = self._match_id(url)
info = self._download_json(
'http://www.rtve.es/api/videos/%s/config/alacarta_videos.json' % video_id,
video_id)['page']['items'][0]
if info['state'] == 'DESPU':
raise ExtractorError('The video is no longer available', expected=True)
title = info['title']
png_url = 'http://www.rtve.es/ztnr/movil/thumbnail/%s/videos/%s.png' % (self._manager, video_id)
png_request = sanitized_Request(png_url)
png_request.add_header('Referer', url)
png = self._download_webpage(png_request, video_id, 'Downloading url information')
video_url = _decrypt_url(png)
ext = determine_ext(video_url)

formats = []
if not video_url.endswith('.f4m') and ext != 'm3u8':
if '?' not in video_url:
video_url = video_url.replace('resources/', 'auth/resources/')
video_url = video_url.replace('.net.rtve', '.multimedia.cdn.rtve')

if ext == 'm3u8':
formats.extend(self._extract_m3u8_formats(
video_url, video_id, ext='mp4', entry_protocol='m3u8_native',
m3u8_id='hls', fatal=False))
elif ext == 'f4m':
formats.extend(self._extract_f4m_formats(
video_url, video_id, f4m_id='hds', fatal=False))
else:
formats.append({
'url': video_url,
})
self._sort_formats(formats)
title = info['title'].strip()
formats = self._extract_png_formats(video_id)

subtitles = None
if info.get('sbtFile') is not None:
subtitles = self.extract_subtitles(video_id, info['sbtFile'])
sbt_file = info.get('sbtFile')
if sbt_file:
subtitles = self.extract_subtitles(video_id, sbt_file)

is_live = info.get('live') is True

return {
'id': video_id,
'title': title,
'title': self._live_title(title) if is_live else title,
'formats': formats,
'thumbnail': info.get('image'),
'page_url': url,
'subtitles': subtitles,
'duration': float_or_none(info.get('duration'), scale=1000),
'duration': float_or_none(info.get('duration'), 1000),
'is_live': is_live,
'series': info.get('programTitle'),
}

def _get_subtitles(self, video_id, sub_file):
Expand All @@ -174,48 +179,26 @@ def _get_subtitles(self, video_id, sub_file):
for s in subs)


class RTVEInfantilIE(InfoExtractor):
class RTVEInfantilIE(RTVEALaCartaIE):
IE_NAME = 'rtve.es:infantil'
IE_DESC = 'RTVE infantil'
_VALID_URL = r'https?://(?:www\.)?rtve\.es/infantil/serie/(?P<show>[^/]*)/video/(?P<short_title>[^/]*)/(?P<id>[0-9]+)/'
_VALID_URL = r'https?://(?:www\.)?rtve\.es/infantil/serie/[^/]+/video/[^/]+/(?P<id>[0-9]+)/'

_TESTS = [{
'url': 'http://www.rtve.es/infantil/serie/cleo/video/maneras-vivir/3040283/',
'md5': '915319587b33720b8e0357caaa6617e6',
'md5': '5747454717aedf9f9fdf212d1bcfc48d',
'info_dict': {
'id': '3040283',
'ext': 'mp4',
'title': 'Maneras de vivir',
'thumbnail': 'http://www.rtve.es/resources/jpg/6/5/1426182947956.JPG',
'thumbnail': r're:https?://.+/1426182947956\.JPG',
'duration': 357.958,
},
'expected_warnings': ['Failed to download MPD manifest', 'Failed to download m3u8 information'],
}]

def _real_extract(self, url):
video_id = self._match_id(url)
info = self._download_json(
'http://www.rtve.es/api/videos/%s/config/alacarta_videos.json' % video_id,
video_id)['page']['items'][0]

webpage = self._download_webpage(url, video_id)
vidplayer_id = self._search_regex(
r' id="vidplayer([0-9]+)"', webpage, 'internal video ID')

png_url = 'http://www.rtve.es/ztnr/movil/thumbnail/default/videos/%s.png' % vidplayer_id
png = self._download_webpage(png_url, video_id, 'Downloading url information')
video_url = _decrypt_url(png)

return {
'id': video_id,
'ext': 'mp4',
'title': info['title'],
'url': video_url,
'thumbnail': info.get('image'),
'duration': float_or_none(info.get('duration'), scale=1000),
}


class RTVELiveIE(InfoExtractor):
class RTVELiveIE(RTVEALaCartaIE):
IE_NAME = 'rtve.es:live'
IE_DESC = 'RTVE.es live streams'
_VALID_URL = r'https?://(?:www\.)?rtve\.es/directo/(?P<id>[a-zA-Z0-9-]+)'
Expand All @@ -225,7 +208,7 @@ class RTVELiveIE(InfoExtractor):
'info_dict': {
'id': 'la-1',
'ext': 'mp4',
'title': 're:^La 1 [0-9]{4}-[0-9]{2}-[0-9]{2}Z[0-9]{6}$',
'title': 're:^La 1 [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
},
'params': {
'skip_download': 'live stream',
Expand All @@ -234,29 +217,22 @@ class RTVELiveIE(InfoExtractor):

def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
start_time = time.gmtime()
video_id = mobj.group('id')

webpage = self._download_webpage(url, video_id)
title = remove_end(self._og_search_title(webpage), ' en directo en RTVE.es')
title = remove_start(title, 'Estoy viendo ')
title += ' ' + time.strftime('%Y-%m-%dZ%H%M%S', start_time)

vidplayer_id = self._search_regex(
(r'playerId=player([0-9]+)',
r'class=["\'].*?\blive_mod\b.*?["\'][^>]+data-assetid=["\'](\d+)',
r'data-id=["\'](\d+)'),
webpage, 'internal video ID')
png_url = 'http://www.rtve.es/ztnr/movil/thumbnail/amonet/videos/%s.png' % vidplayer_id
png = self._download_webpage(png_url, video_id, 'Downloading url information')
m3u8_url = _decrypt_url(png)
formats = self._extract_m3u8_formats(m3u8_url, video_id, ext='mp4')
self._sort_formats(formats)

return {
'id': video_id,
'title': title,
'formats': formats,
'title': self._live_title(title),
'formats': self._extract_png_formats(vidplayer_id),
'is_live': True,
}

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