add support for videos from tvkultura.ru

[spvkgn]

youtube-dl -v http://tvkultura.ru/video/show/brand_id/31724/episode_id/972347/video_id/978186
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', 'http://tvkultura.ru/video/show/brand_id/31724/episode_id/972347/video_id/978186']
[debug] Encodings: locale 'UTF-8', fs 'UTF-8', out 'UTF-8', pref: 'UTF-8'
[debug] youtube-dl version 2014.03.07.1
[debug] Python version 2.7.3 - Linux-3.2.0-39-generic-i686-with-LinuxMint-13-maya
[debug] Proxy map: {}
[generic] 978186: Requesting header
WARNING: Falling back on generic information extractor.
[generic] 978186: Downloading webpage
[generic] 978186: Extracting information
ERROR: Unsupported URL: http://tvkultura.ru/video/show/brand_id/31724/episode_id/972347/video_id/978186; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.
Traceback (most recent call last):
  File "/home/pavel/apps/bin/youtube-dl/youtube_dl/extractor/generic.py", line 277, in _real_extract
    doc = xml.etree.ElementTree.fromstring(webpage.encode('utf-8'))
  File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1301, in XML
    parser.feed(text)
  File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1643, in feed
    self._raiseerror(v)
  File "/usr/lib/python2.7/xml/etree/ElementTree.py", line 1507, in _raiseerror
    raise err
ParseError: not well-formed (invalid token): line 6, column 58
Traceback (most recent call last):
  File "/home/pavel/apps/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 500, in extract_info
    ie_result = ie.extract(url)
  File "/home/pavel/apps/bin/youtube-dl/youtube_dl/extractor/common.py", line 162, in extract
    return self._real_extract(url)
  File "/home/pavel/apps/bin/youtube-dl/youtube_dl/extractor/generic.py", line 472, in _real_extract
    raise ExtractorError('Unsupported URL: %s' % url)
ExtractorError: Unsupported URL: http://tvkultura.ru/video/show/brand_id/31724/episode_id/972347/video_id/978186; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output. Make sure you are using the latest version; type  youtube-dl -U  to update.

I have found this URL there and it works with player:

mpv http://cdnmg.v.rtr-vesti.ru/_cdn_auth/secure/v/vh/vod_hls/definst/smil:vh/smil/978/186_d20140307133001.smil/chunklist-b1296000.m3u8?wowzasessionid=1803071434
Playing: http://cdnmg.v.rtr-vesti.ru/_cdn_auth/secure/v/vh/vod_hls/definst/smil:vh/smil/978/186_d20140307133001.smil/chunklist-b1296000.m3u8?wowzasessionid=1803071434
[cache] Cache size set to 320 KiB
Cache fill:  4.80% (15740 bytes)   
[lavf] LAVF: Program 0 
Detected file format: Apple HTTP Live Streaming (libavformat)
[stream] Video (+) --vid=1 (h264)
[stream] Audio (+) --aid=1 (aac)
Trying to use hardware decoding.
Selected video codec: H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 [lavc:h264]
Selected audio codec: AAC (Advanced Audio Coding) [lavc:aac]
AO: [alsa] 48000Hz stereo 2ch float
VO: [vdpau] 704x528 => 704x528 vdpau
[vo/vdpau] Got display refresh rate 60.020 Hz.
[vo/vdpau] If that value looks wrong give the -vo vdpau:fps=X suboption manually.
AV: 00:00:24 / 00:48:26 (0%) A-V:  0.000 Late: 3 Cache: 0%

[dstftw]

Thanks for the report, support for more vgtrk channels has just been added. This will be available in the next release of youtube-dl.

[phihag]

Fixed in youtube-dl 2014.03.10. Type youtube-dl -U to update.