de329f64ab
[openload] Fix extraction ( closes #15166 )
2018-01-04 13:26:08 +08:00
75ba0efb52
[lynda] Skip invalid subtitles ( closes #15159 )
2018-01-03 16:41:28 +07:00
f0c6c2bce2
[twitch] Pass video id to url_result when extracting playlist
2018-01-03 16:22:55 +07:00
9650c3e91d
[rtve.es:alacarta] Fix extraction of some new URLs
2018-01-02 21:12:39 +01:00
b5e531f31a
[acast] Fix extraction
2018-01-02 23:32:17 +07:00
6648fd8ad6
changed to use .get to get field from json object
2018-01-01 18:33:14 +08:00
126f225bcf
[extractor/common] Add container meta field for formats extracted in _parse_mpd_formats
2017-12-31 04:04:09 +07:00
4f5cf31977
[slutload] Add support for mobile URLs
2017-12-31 01:41:07 +07:00
77341dae14
[abc:iview] Improve extraction and bypass geo restriction ( closes #14782 )
2017-12-31 01:27:28 +07:00
2e65e7db9e
[abc:iview] Fix extraction ( closes #14711 )
...
ABC dropped unmetering, so change to metered hls urls which
require auth.
2017-12-31 01:27:22 +07:00
620ee8712e
[openload] Fix extraction ( closes #15118 )
2017-12-30 15:03:13 +08:00
2ca7ed41fe
[mediasite] Improve extraction and code style, add support for DASH ( closes #11185 , closes #14343 , refs #5428 )
2017-12-30 08:04:43 +07:00
8056c8542d
[mediasite] Add extractor, subsume sandia and collegerama extractors
2017-12-30 07:23:41 +07:00
2501d41ef4
[common] use AACL as the default fourcc when AudioTag is 255
2017-12-30 07:22:07 +07:00
d97cb84b31
[ufctv] Add new extractor( closes #14520 )
2017-12-30 00:30:41 +01:00
2c8e11b4af
[pluralsight] Fix missing first line of subtitles ( closes #11118 )
2017-12-30 05:56:47 +07:00
d2c5b5a951
[openload] Fallback on f-page extraction ( closes #14665 , closes #14879 )
2017-12-30 05:53:56 +07:00
580f3c79d5
[vimeo] Improve password protected videos extraction ( closes #15114 )
2017-12-30 03:54:14 +07:00
48058d82dc
replace unused _download_webpage_handle with _download_webpage
2017-12-30 01:14:21 +08:00
6a41a12d29
replace split with strip_jsonp
2017-12-30 01:11:30 +08:00
5c97ec5ff5
replace urlencode.encode with urlencode_postdata
2017-12-30 01:08:56 +08:00
9d6ac71c27
[extractor/common] Fix extraction of DASH formats with the same representation id ( closes #15111 )
2017-12-29 23:14:56 +07:00
84f085d4bd
[aws] fix canonical/signed headers generation in python 2( closes #15102 )
2017-12-29 00:13:40 +01:00
640788f6f4
[internazionale] Improve extraction ( closes #14973 )
2017-12-27 23:27:48 +07:00
1ae0f0a21d
[internazionale] Add extractor
2017-12-27 23:27:43 +07:00
616bb95b28
[playtvak] Relax video regex and make description optional
2017-12-27 22:57:26 +07:00
be069839b4
[filmweb] improve extraction
2017-12-26 19:41:08 +01:00
c33de004e1
Merge branch 'master' of github.com:rg3/youtube-dl into weibo
2017-12-26 22:27:26 +08:00
42a1012c77
fix according to " https://github.com/rg3/youtube-dl/pull/15079#discussion_r158688607 "
2017-12-26 22:26:01 +08:00
a14001a5a1
[Filmweb] Add extractor
2017-12-26 15:19:37 +01:00
db145ee54a
[espn] Add new extractor for http://fivethirtyeight.com ( closes #6864 )
2017-12-26 14:20:21 +01:00
45d20488f1
[umg:de] Add new extractor( closes #11582 )( closes #11584 )
2017-12-26 12:32:04 +01:00
2593651224
fix compat_urllib_request for python2.7
2017-12-26 16:46:01 +08:00
951043724f
re-format code to pass flake8
2017-12-26 16:38:51 +08:00
d2be5bb5af
change to use compat urllib
2017-12-26 16:28:47 +08:00
447a5a710d
added weibo mobile site support
2017-12-26 16:24:56 +08:00
0f897e0929
[espn] add support for espnfc and extract more formats( closes #8053 )
2017-12-25 23:29:09 +01:00
d3ca283235
[youku] Add test case.
...
Some playlist has no data-id value.
Change-Id: I97455f2907f08bda03b538cdc13ec827e2f8ce26
2017-12-25 22:02:47 +08:00
d99a1000c7
[youku] Fix list extraction.( close #15065 )
...
Change-Id: I578fdc5b69509bdcd8d3191e3917afe47c234ff6
2017-12-25 22:02:47 +08:00
a75419586b
[openload] Remove a confusing exception
...
If phantomjs is not installed, there's an error besides the missing
phantomjs exception:
Exception ignored in: <bound method PhantomJSwrapper.__del__ of <youtube_dl.extractor.openload.PhantomJSwrapper object at 0x7f8ad5e78278>>
Traceback (most recent call last):
File "/home/yen/Projects/youtube-dl/youtube_dl/extractor/openload.py", line 142, in __del__
os.remove(self._TMP_FILES[name].name)
AttributeError: 'PhantomJSwrapper' object has no attribute '_TMP_FILES'
2017-12-24 20:47:42 +08:00
273c23d960
[openload] Add support for oload.stream ( closes #15070 )
2017-12-24 13:53:27 +07:00
0e25a1a278
[youku] Update ccode
...
Change-Id: Id397e814e81ff560506d68563b7409eebbe5943d
2017-12-23 23:34:42 +08:00
c2f2f8b120
[kaltura] Fix typo
2017-12-23 21:22:41 +07:00
69d69da98a
[kaltura] Add another embed pattern for entry_id
...
For cases when player configuration map is setup via indexing operator, e.g. kalturaPlayerConfiguration_1_lre6rg3i_10[entry_id] = 1_lre6rg3i (see https://www.heise.de/video/artikel/odcast-c-t-uplink-20-1-Apple-CarPlay-vs-Android-Auto-Galileo-3D-Sound-erklaert-3919694.html )
2017-12-23 21:17:53 +07:00
5c5e60cff8
[voot] Fix video identification
2017-12-23 21:17:53 +07:00
2132edaa03
[extractor/common] Move X-Forwarded-For setup code into _request_webpage
2017-12-23 21:17:53 +07:00
4b7dd1705a
[7plus] Add new extractor( closes #15043 )
2017-12-23 13:22:20 +01:00
d2d766bc6d
[animeondemand] Fix typo
2017-12-20 23:18:14 +07:00
17c3aced5d
[animeondemand] Relax login error regex
2017-12-19 22:53:04 +07:00
78466fcab5
[shahid] add support for show pages( closes #7401 )
2017-12-19 02:00:38 +01:00
07aeced68e
[youtube] Extract uploader, uploader_id and uploader_url for playlists ( #11427 , #15018 )
2017-12-19 03:51:28 +07:00
c10c93238e
[extractor/common] Introduce uploader, uploader_id and uploader_url meta fields for playlists ( #11427 , #15018 )
2017-12-19 03:51:03 +07:00
4a109f81bc
[afreecatv] Improve format extraction ( closes #15019 )
2017-12-19 00:38:39 +07:00
7e81010987
[cspan] add support for audio only pages and catch page errors( closes #14995 )
2017-12-17 19:15:59 +01:00
549bb416f5
[mailru] Fix issues and improve ( closes #14904 )
2017-12-17 18:38:27 +07:00
25475dfab3
[mailru] Add support for embed URLs
2017-12-17 18:37:03 +07:00
3dfa9ec213
[crunchyroll] Future-proof XML element checks( closes #15013 )
2017-12-17 09:15:44 +01:00
06dbcd7be4
[cbslocal] Fix timestamp extraction ( closes #14999 , closes #15000 )
2017-12-16 21:57:30 +07:00
c402e7f3a0
[discoverygo] correct ttml subtitle extension
2017-12-16 12:55:44 +01:00
498a8a4ca5
[vk] Make view count optional ( closes #14979 )
2017-12-15 22:53:56 +07:00
d05ba4b89e
[disney] skip Apple FairPlay formats( #14982 )
2017-12-15 09:28:07 +01:00
23f511f5c7
[voot] sort formats
2017-12-15 09:05:59 +01:00
1c4804ef9b
[voot] fix format extraction( closes #14758 )
2017-12-14 23:05:43 +01:00
3fae11ac00
[itv] Improve extraction, extract more subtitles and duration ( closes #14944 )
2017-12-14 04:49:07 +07:00
6bf9c28b0a
[byutv] add support for geo restricted videos
2017-12-13 17:51:56 +01:00
c8be7d5f74
[byutv] Fix extraction ( closes #14966 , closes #14967 )
2017-12-13 23:14:30 +07:00
15960255fe
[tbs] fix typo
2017-12-12 18:16:45 +01:00
6b2d8c9182
[bbc.co.uk] fix extraction for 320k m3u8 streams
...
broken since 197224b7a4
2017-12-12 18:04:05 +01:00
e6b8803d59
[toutv] add support special video urls( closes #14179 )
2017-12-12 11:11:44 +01:00
cb0c2310fb
[discovery] fix free videos extraction( #14157 )( #14954 )
2017-12-12 10:33:03 +01:00
23b6e23002
[tvnow] fix extraction( closes #7831 )
2017-12-11 21:36:12 +01:00
127e98d31d
[nickelodeon:br] correct extractor name
2017-12-11 17:21:31 +01:00
e4f201bc1b
[extractors] add import for NickBrIE
2017-12-11 17:19:16 +01:00
08d77a95c9
[nickelodeon:br] add support for Nickelodeon(Brazil) websites( closes #14893 )
2017-12-11 17:18:05 +01:00
5868079e99
[nick.com] improve extraction( fixes #14876 )
2017-12-11 14:37:03 +01:00
b6f78d76c1
[tbs] fix extraction( fixes #13658 )
2017-12-11 13:39:25 +01:00
0c69958844
add other properties; remove print verbose
2017-12-11 16:02:14 +08:00
3281af3464
a working version
2017-12-11 15:56:54 +08:00
29ac31afaf
simply get the correct webpage, but not parsed to extract information
2017-12-11 12:26:19 +08:00
c38970ca10
[culturebox] Improve video id extraction ( closes #14947 )
2017-12-10 22:46:21 +07:00
51f2863357
[twitter] improve extraction( closes #14197 )
2017-12-10 14:11:09 +01:00
913b61eeee
[udemy] Extract more HLS formats
2017-12-09 20:02:54 +07:00
6f1ec339a0
[udemy] Improve course id extraction ( closes #14938 )
2017-12-09 20:02:49 +07:00
a3de5e6c0e
[stretchinternet] Fix issues and improve ( closes #14576 )
2017-12-09 17:59:08 +07:00
f4cc03d60b
[stretchinternet] Add extractor
2017-12-09 17:58:49 +07:00
2a57b62b80
[ellentube] Fix issues, improve and simplify ( closes #14570 )
2017-12-09 02:16:54 +07:00
e2707a832c
[ellentube] Fix extraction ( closes #14407 )
2017-12-09 02:16:48 +07:00
1115271ac6
[raiplay:playlist] Fix issues and improve ( closes #14563 )
2017-12-09 00:48:04 +07:00
d21d0ba6c1
[raiplay:playlist] Add extractor
2017-12-09 00:47:40 +07:00
1bd4fc96e6
[sonyliv] extract higher quality formats and bypass geo restriction( closes #14922 )
2017-12-07 08:46:30 +01:00
684ae10236
[fox] add support for adobe pass auth and extract subtitles( close #14489 )( closes #14205 )
2017-12-06 22:56:14 +01:00
3c4fbfeca2
[dailymotion] remove dailymotion cloud extractor( closes #6794 )
...
https://web.archive.org/web/20160312110217/https://www.dmcloud.net/
2017-12-06 10:56:48 +01:00
b271e33526
[xhamster] Add support for mobile URLs and fix thumbnail extraction
2017-12-06 00:08:31 +07:00
d3f8b76b69
[extractor/generic] Fix typo ( closes #14902 )
...
Don't pass video_id as mpd_id
2017-12-05 23:11:15 +07:00
91328f26b0
[ard] Skip invalid stream URLs ( closes #14906 )
2017-12-05 23:01:57 +07:00
61d18c8a4b
[porncom] Fix metadata extraction ( closes #14911 )
2017-12-05 22:42:02 +07:00
c94427dd60
[pluralsight] Detect agreement request ( #14913 )
2017-12-05 22:34:56 +07:00
d7df308981
[toutv] fix login(closes 14614)
2017-12-02 20:22:40 +01:00
78593e294c
Add references for #14844
2017-12-02 21:22:43 +07:00
603fc4e0ea
[extractor/common] Add durations for DASH fragments with bare SegmentURLs
2017-12-02 21:21:01 +07:00
41bf647e89
[extractor/common] Add support for DASH manifests with SegmentLists with bare SegmentURLs
2017-12-02 21:16:36 +07:00
fea92aa65d
[xhamster] Fix extraction ( closes #14884 )
2017-12-02 19:04:59 +07:00
0981585bef
[youku] Update ccode ( closes #14872 )
2017-12-02 18:16:22 +07:00
f5ac68d88f
[mnet] fix format extraction( fixes #14883 )
2017-11-30 23:45:33 +01:00
1663b32946
[xiami] add Referer header to api request
2017-11-29 20:36:55 +01:00
5ea765fb72
[mtv] correct scc extention in extracted subtitles( closes #13730 )
2017-11-29 17:50:38 +01:00
fb61b57d0f
[vvvvid] fix extraction for kenc videos( fixes #13406 )
2017-11-29 16:09:45 +01:00
07cf18b9c5
[br] add support for BR Mediathek videos( fixes #14560 )( fixes #14788 )
2017-11-29 14:21:38 +01:00
5f699251e9
[daisuki] add support for motto.daisuki.com( fixes #14681 )
2017-11-28 10:57:22 +01:00
a3474aa59e
[Odnoklassniki] fix api metadata request( fixes #14862 )
2017-11-28 09:04:51 +01:00
115afb77ec
[itv] update hls formats extraction
2017-11-27 21:59:27 +01:00
53f024e7c5
[pbs] add another media id regex
2017-11-27 16:55:27 +01:00
7512aa986f
Fix some only matching tests ( closes #14855 )
2017-11-26 20:53:10 +07:00
93f3f10cdc
[fczenit] fix extraction
2017-11-25 19:28:26 +01:00
87dac57cf6
[firstpost] remove extractor
2017-11-25 18:50:15 +01:00
b485d5d6bf
[nexx] make http format ids more consistent
2017-11-25 18:36:31 +01:00
a238a868ba
[freespeech] fix extraction
2017-11-25 18:25:00 +01:00
c0f647a179
[nexx] extract more formats
2017-11-25 18:13:26 +01:00
6ff27b8d5a
[openload] Don't use bare except when removing temp files
2017-11-26 00:05:28 +07:00
9ef909f2b2
[openload] Add support for openload.link
2017-11-26 00:04:13 +07:00
8cfbcfab9a
[tnaflix] Extract common parts of tnaflix and empflix
2017-11-25 23:42:20 +07:00
b7785cf156
[empflix] Relax _VALID_URL
2017-11-25 23:42:20 +07:00
9105523818
[empflix] Fix extractrion
2017-11-25 23:42:20 +07:00
dbb25af657
[tnaflix] Don't modify download URLs ( closes #14811 )
2017-11-25 23:42:20 +07:00
fe4bfe36e1
[gamersyde] remove extractor
2017-11-25 15:58:28 +01:00
6f5c598a28
[france2.fr:generation-what] fix extraction
2017-11-25 15:49:49 +01:00
cd9ff4ec5b
[massengeschmacktv] Add support for Massengeschmack TV(replaces Fernseh Kritik TV)
2017-11-24 20:00:01 +01:00
c6c6a64aa5
[fox9] fix extraction
2017-11-24 19:00:56 +01:00
e0a8686f48
[faz] fix extraction and add support for Perform Group embeds( fixes #14714 )
2017-11-24 18:42:41 +01:00
805f5bf759
[Generic] ie_key in JWPlatform test 72
2017-11-24 21:39:55 +08:00
32ad4f3faf
[JWPlatform] Use non-capturing group in RE
...
Per @yan12125.
2017-11-24 21:39:55 +08:00
6899b1d9e8
[Generic] Update test 69 (suffolk/sjc)
...
suffolk.edu/sjc => suffolk.edu/sjc/live.php
Unfortunately it only transmits video a few mornings per month, so
leaving the 'skip' is probably appropriate. Updating the 'skip- to
include the calendar information though.
2017-11-24 21:39:55 +08:00
939be9adfe
[JWPlatform] Support iframes
...
Support content.jwplatform... src attributes inside <iframe> tags in
addition to <script> tags. Just a regexp change.
Add a test (currently Generic_72).
2017-11-24 21:39:55 +08:00
2688664762
[culturebox] Fix extraction ( closes #14827 )
2017-11-23 06:39:11 +07:00
8f63941104
[youku] Fix extraction; update ccode ( closes #14815 )
2017-11-22 22:49:48 +08:00
a9efdf3d4a
[livestream] make smil extraction non fatal( fixes #14792 )
2017-11-19 12:59:31 +01:00
f610dbb05f
[extractor/common] Use final URL when dumping request ( closes #14769 )
2017-11-18 19:04:56 +07:00
38db52adf3
[drtuber] Add support for mobile URLs
2017-11-17 01:50:07 +07:00
3192d4bc7a
[spankbang] Add support for mobile URLs and fix test
2017-11-17 01:05:04 +07:00
9cbd4dda10
[instagram] Fix description, timestamp and counters extraction ( closes #14755 )
2017-11-15 22:14:54 +07:00
ea2295842f
[common] skip Apple FairPlay m3u8 manifests( closes #14741 )
2017-11-14 17:41:30 +01:00
a2b6aba8de
[vshare] Improve extraction, fix formats sorting and carry long lines
2017-11-14 22:50:15 +07:00
ff31f2d5c3
[vshare] Capture and output error message
2017-11-14 22:39:54 +07:00
0987f2ddb2
[vshare] Fix extraction ( closes #14473 )
2017-11-14 22:34:45 +07:00
05dee6c520
[crunchyroll] extract old rtmp formats
2017-11-13 19:15:49 +01:00
27adc9ec65
[tva] fix extraction( closes #14736 )
2017-11-13 11:24:15 +01:00
388beb86e0
[gamespot] add test for #14652
2017-11-13 10:30:12 +01:00
d4e31b72b9
[gamespot] lower the preference of http formats( #14652 )
2017-11-13 10:24:35 +01:00
5fc12b9549
[instagram:user] Fix extraction ( closes #14699 )
2017-11-12 18:36:18 +07:00
af85ce29c6
[ccma] Fix typo
2017-11-12 13:25:21 +07:00
e4d9586562
Remove sensitive data from logging in messages
2017-11-11 20:52:12 +07:00
79d1f8ed68
[gamespot] add support for article URLS( closes #14652 )
2017-11-11 13:03:16 +01:00
a5203935d6
[gamespot] skip Brightcove Once http formats( #14652 )
2017-11-11 13:03:16 +01:00
59d2e6d04f
[cartoonnetwork] Update tokenizer_src ( closes #14666 )
2017-11-11 04:59:48 +07:00
a9543e37c8
[wsj] Recognize another URL pattern ( closes #14704 )
2017-11-11 00:29:08 +08:00
61fb07e156
[pandatv] Modernize ( closes #14693 )
2017-11-09 23:30:25 +07:00
4222346fb2
[pandatv] Update API URL and sign format URLs
2017-11-09 23:26:46 +07:00
cc6a960e13
use older login method( closes #11572 )
2017-11-08 20:30:05 +01:00
909191de91
[hotstar:playlist] Fix issues and improve ( closes #12465 )
2017-11-05 19:15:40 +07:00
477c97f86b
[hotstar:playlist] Add extractor
2017-11-05 19:15:34 +07:00
6e71bbf4ab
[hotstar] Bypass geo restriction ( closes #14672 )
2017-11-05 16:12:56 +07:00
187ee66c94
[extractor/common] Add protocol for f4m formats
2017-11-04 22:11:39 +07:00
48107c198b
[f4m] Prefer baseURL for relative URLs ( closes #14660 )
2017-11-04 22:10:55 +07:00
cd670befc4
[22tracks] Remove extractor ( closes #11024 )
2017-11-02 23:48:43 +07:00
44cca168cc
[skysport] add support ooyala embed_token protected videos( fixes #14641 )
2017-11-02 14:16:15 +01:00
b0f4331002
[gamespot] extract formats referenced with new data fields( #14652 )
2017-11-02 13:30:50 +01:00
044eeb1455
[extractor/common] Respect URL query in _extract_wowza_formats ( closes #14645 )
2017-11-01 23:39:26 +07:00
8fe767e072
[spankbang] Detect unavailable videos ( closes #14644 )
2017-10-31 23:05:25 +07:00
514e8aefd4
[egghead] Fix extraction ( closes #14388 )
2017-10-29 07:11:37 +07:00
9211e3319e
[extractor/common] Prefix format id for audio only HLS formats
2017-10-29 07:05:55 +07:00
c3206d02e9
[fxnetworks] Extract series metadata
2017-10-29 05:20:18 +07:00
eb4b5818e2
[younow] Fix issues and improve extraction ( closes #9255 , closes #9432 , closes #12436 )
2017-10-29 04:18:43 +07:00
47a8587915
[younow] Add extractor
2017-10-29 04:17:03 +07:00
8e01f3ca81
[dctptv] Fix extraction ( closes #14599 )
2017-10-28 22:58:01 +07:00
f2332f18e6
[youtube] Restrict embed regex ( #14600 )
2017-10-27 22:26:43 +07:00
7c1f419341
[vimeo] Restrict iframe embed regex ( closes #14600 )
2017-10-27 22:21:47 +07:00
30e6161799
[soundgasm] Improve extraction ( closes #14588 )
2017-10-26 23:16:16 +07:00
dc24a7d4a2
[myvideo] Remove extractor ( closes #8557 )
...
Redirects to store.maxdome.de
2017-10-25 23:27:55 +07:00
d673ab6562
[nbc] Add support for classic-tv videos
2017-10-25 23:23:27 +07:00
b8c6ffc518
[vrtnu] Add support for cookies authentication and simplify ( #11873 )
2017-10-25 23:21:51 +07:00
7913e0fca7
[canvas] Add support for vrt.be/vrtnu ( closes #11873 )
2017-10-25 23:17:28 +07:00
cdd1ce92c4
[twitch:clips] Fix title extraction
2017-10-23 23:12:50 +07:00
55c727a547
[ndtv] Add support for sub-sites
2017-10-22 08:32:20 +07:00
36e2d3ca43
[dramafever] Fix login error message extraction
2017-10-22 08:16:30 +07:00
9ff6273cae
[nickru] Add support for more sites
2017-10-22 01:51:01 +07:00
f03ee0b372
[nickde] Add support for nickelodeon.be
2017-10-22 01:42:44 +07:00
cf6bda312b
[nickde] Add support for nick.ch
2017-10-22 01:30:35 +07:00
3ebbd9991e
[nick] Add support for more nickelodeon sites ( closes #14553 )
2017-10-22 01:26:58 +07:00
424505df76
[azmedien] Fix test
2017-10-21 01:10:56 +07:00
fc5c47d13c
[parliamentliveuk] Fix extraction ( closes #14524 )
2017-10-20 23:31:13 +07:00
a26a3c6d34
[soundcloud] Update client id ( closes #14546 )
2017-10-20 21:43:34 +07:00
e1d168e592
[servus] Add extractor ( closes #14362 )
2017-10-19 22:17:20 +07:00
ca1c9f26fa
[unity] Add extractor ( fixes #14528 )
2017-10-19 04:46:06 +07:00
fa4bc6e712
[youtube] replace youtube redirect urls in description( fixes #14517 )
2017-10-17 10:07:37 +00:00
6b9cbd023f
[pbs] restrict direct video url regex( fixes #14519 )
2017-10-17 09:23:11 +00:00
c233003afe
[megaphone] Fix deprecated escape sequence
2017-10-17 15:39:06 +08:00
83fcf19e2d
[drtv] Respect preference for direct http formats ( #14509 )
2017-10-16 05:48:45 +07:00
acc4ea6237
[eporner] Add support for embed URLs ( closes #14507 )
2017-10-16 05:11:25 +07:00
8cc1840ccb
[arte] Capture and output error message
2017-10-15 22:12:34 +07:00
aaab8c5e71
[niconico] Improve uploader metadata extraction robustness ( closes #14135 )
2017-10-15 10:40:57 +07:00
Yen Chi Hsuan