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1 | from .common import InfoExtractor | |
2 | from ..utils import ( | |
3 | determine_ext, | |
4 | ExtractorError, | |
5 | int_or_none, | |
6 | mimetype2ext, | |
7 | parse_iso8601, | |
8 | strip_jsonp, | |
9 | unified_timestamp, | |
10 | url_or_none, | |
11 | ) | |
12 | ||
13 | ||
14 | class AMPIE(InfoExtractor): # XXX: Conventionally, base classes should end with BaseIE/InfoExtractor | |
15 | # parse Akamai Adaptive Media Player feed | |
16 | def _extract_feed_info(self, url): | |
17 | feed = self._download_json( | |
18 | url, None, 'Downloading Akamai AMP feed', | |
19 | 'Unable to download Akamai AMP feed', transform_source=strip_jsonp) | |
20 | item = feed.get('channel', {}).get('item') | |
21 | if not item: | |
22 | raise ExtractorError('%s said: %s' % (self.IE_NAME, feed['error'])) | |
23 | ||
24 | video_id = item['guid'] | |
25 | ||
26 | def get_media_node(name, default=None): | |
27 | media_name = 'media-%s' % name | |
28 | media_group = item.get('media-group') or item | |
29 | return media_group.get(media_name) or item.get(media_name) or item.get(name, default) | |
30 | ||
31 | thumbnails = [] | |
32 | media_thumbnail = get_media_node('thumbnail') | |
33 | if media_thumbnail: | |
34 | if isinstance(media_thumbnail, dict): | |
35 | media_thumbnail = [media_thumbnail] | |
36 | for thumbnail_data in media_thumbnail: | |
37 | thumbnail = thumbnail_data.get('@attributes', {}) | |
38 | thumbnail_url = url_or_none(thumbnail.get('url')) | |
39 | if not thumbnail_url: | |
40 | continue | |
41 | thumbnails.append({ | |
42 | 'url': self._proto_relative_url(thumbnail_url, 'http:'), | |
43 | 'width': int_or_none(thumbnail.get('width')), | |
44 | 'height': int_or_none(thumbnail.get('height')), | |
45 | }) | |
46 | ||
47 | subtitles = {} | |
48 | media_subtitle = get_media_node('subTitle') | |
49 | if media_subtitle: | |
50 | if isinstance(media_subtitle, dict): | |
51 | media_subtitle = [media_subtitle] | |
52 | for subtitle_data in media_subtitle: | |
53 | subtitle = subtitle_data.get('@attributes', {}) | |
54 | subtitle_href = url_or_none(subtitle.get('href')) | |
55 | if not subtitle_href: | |
56 | continue | |
57 | subtitles.setdefault(subtitle.get('lang') or 'en', []).append({ | |
58 | 'url': subtitle_href, | |
59 | 'ext': mimetype2ext(subtitle.get('type')) or determine_ext(subtitle_href), | |
60 | }) | |
61 | ||
62 | formats = [] | |
63 | media_content = get_media_node('content') | |
64 | if isinstance(media_content, dict): | |
65 | media_content = [media_content] | |
66 | for media_data in media_content: | |
67 | media = media_data.get('@attributes', {}) | |
68 | media_url = url_or_none(media.get('url')) | |
69 | if not media_url: | |
70 | continue | |
71 | ext = mimetype2ext(media.get('type')) or determine_ext(media_url) | |
72 | if ext == 'f4m': | |
73 | formats.extend(self._extract_f4m_formats( | |
74 | media_url + '?hdcore=3.4.0&plugin=aasp-3.4.0.132.124', | |
75 | video_id, f4m_id='hds', fatal=False)) | |
76 | elif ext == 'm3u8': | |
77 | fmts, subs = self._extract_m3u8_formats_and_subtitles( | |
78 | media_url, video_id, 'mp4', m3u8_id='hls', fatal=False) | |
79 | formats.extend(fmts) | |
80 | self._merge_subtitles(subs, target=subtitles) | |
81 | else: | |
82 | formats.append({ | |
83 | 'format_id': media_data.get('media-category', {}).get('@attributes', {}).get('label'), | |
84 | 'url': media_url, | |
85 | 'tbr': int_or_none(media.get('bitrate')), | |
86 | 'filesize': int_or_none(media.get('fileSize')), | |
87 | 'ext': ext, | |
88 | }) | |
89 | ||
90 | timestamp = unified_timestamp(item.get('pubDate'), ' ') or parse_iso8601(item.get('dc-date')) | |
91 | ||
92 | return { | |
93 | 'id': video_id, | |
94 | 'title': get_media_node('title'), | |
95 | 'description': get_media_node('description'), | |
96 | 'thumbnails': thumbnails, | |
97 | 'timestamp': timestamp, | |
98 | 'duration': int_or_none(media_content[0].get('@attributes', {}).get('duration')), | |
99 | 'subtitles': subtitles, | |
100 | 'formats': formats, | |
101 | } |