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unable to download a videolectures.net video #4968

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notuntoward opened this issue Feb 17, 2015 · 6 comments
Closed

unable to download a videolectures.net video #4968

notuntoward opened this issue Feb 17, 2015 · 6 comments

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@notuntoward
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@notuntoward notuntoward commented Feb 17, 2015

I'm unable to download the lecture from this URL: http://videolectures.net/nips09_hinton_dlmi/
Using the trial version of getflv, I'm able to download the 1st few minutes, so apparently, there's nothing prohibiting a download, or at least it's possible to get around it.

Using the youtube-dl windows executable and cygwin (which does work for other videolectures.net urls), here's the error:

$ youtube-dl --verbose http://videolectures.net/nips09_hinton_dlmi/
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'http://videolectures.net/nips09_hinton_dlmi/']
[debug] Encodings: locale cp1252, fs mbcs, out None, pref cp1252
[debug] youtube-dl version 2015.02.16.1
[debug] Python version 2.7.8 - Windows-7-6.1.7601-SP1
[debug] exe versions: none
[debug] Proxy map: {'http': '10.13.13.5:3128', u'https': '10.13.13.5:3128'}
[videolectures.net] nips09_hinton_dlmi: Downloading XML
[debug] Invoking downloader on 'http://hydro.ijs.si/v007/e7/47onolszaysxm4gtj43qi7jfsmtfk5ib.flv'
ERROR: unable to download video data: HTTP Error 403: Forbidden
Traceback (most recent call last):
File "youtube_dl\YoutubeDL.pyo", line 1320, in process_info
File "youtube_dl\YoutubeDL.pyo", line 1295, in dl
File "youtube_dl\downloader\common.pyo", line 316, in download
File "youtube_dl\downloader\http.pyo", line 66, in real_download
File "youtube_dl\YoutubeDL.pyo", line 1611, in urlopen
File "urllib2.pyo", line 410, in open
File "urllib2.pyo", line 523, in http_response
File "urllib2.pyo", line 448, in error
File "urllib2.pyo", line 382, in _call_chain
File "urllib2.pyo", line 531, in http_error_default
HTTPError: HTTP Error 403: Forbidden
$ youtube-dl --verbose http://videolectures.net/nips09_hinton_dlmi/
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['--verbose', 'http://videolectures.net/nips09_hinton_dlmi/']
[debug] Encodings: locale cp1252, fs mbcs, out None, pref cp1252
[debug] youtube-dl version 2015.02.16.1
[debug] Python version 2.7.8 - Windows-7-6.1.7601-SP1
[debug] exe versions: none
[debug] Proxy map: {'http': '10.13.13.5:3128', u'https': '10.13.13.5:3128'}
[videolectures.net] nips09_hinton_dlmi: Downloading XML
[debug] Invoking downloader on 'http://hydro.ijs.si/v007/e7/47onolszaysxm4gtj43qi7jfsmtfk5ib.flv'
ERROR: unable to download video data: HTTP Error 403: Forbidden
Traceback (most recent call last):
File "youtube_dl\YoutubeDL.pyo", line 1320, in process_info
File "youtube_dl\YoutubeDL.pyo", line 1295, in dl
File "youtube_dl\downloader\common.pyo", line 316, in download
File "youtube_dl\downloader\http.pyo", line 66, in real_download
File "youtube_dl\YoutubeDL.pyo", line 1611, in urlopen
File "urllib2.pyo", line 410, in open
File "urllib2.pyo", line 523, in http_response
File "urllib2.pyo", line 448, in error
File "urllib2.pyo", line 382, in _call_chain
File "urllib2.pyo", line 531, in http_error_default
HTTPError: HTTP Error 403: Forbidden
@dstftw dstftw closed this in 0d93378 Feb 17, 2015
@dstftw
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@dstftw dstftw commented Feb 17, 2015

Thanks for the report, this will be fixed in the next version.
@phihag
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@phihag phihag commented Feb 17, 2015

Fixed in youtube-dl 2015.02.17.2. See our FAQ if you need help updating.
@notuntoward
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@notuntoward notuntoward commented Feb 17, 2015

Thanks, this does now download something, but there's a problem with the result: The download appears to be made of chunks which are spliced together with overlap instead of being butted together. So, for example, at time=01:00 minutes, the video may jump back to five seconds to time=0:55, then play until time=01:30, and then jump back to time 01:20 (actually, the pattern is not that regular. I'm not sure what it is).

At least, the output with the verbose flag does show that the video is being downloaded in chunks:

youtube-dl --verbose http://videolectures.net/nips09_hinton_dlmi

[rtmpdump] DEBUG: RTMP_ClientPacket, received: notify 24 bytes [rtmpdump] DEBUG: (object begin) [rtmpdump] DEBUG: (object end) [rtmpdump] DEBUG: RTMP_ClientPacket, received: notify 44 bytes [rtmpdump] DEBUG: (object begin) [rtmpdump] DEBUG: (object begin) [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: (object end) [rtmpdump] DEBUG: (object end) [rtmpdump] DEBUG: RTMP_ClientPacket, received: notify 224 bytes [rtmpdump] DEBUG: (object begin) [rtmpdump] DEBUG: (object begin) [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: (object end) [rtmpdump] DEBUG: (object end) [rtmpdump] INFO: Metadata: [rtmpdump] INFO: duration 3251.64 [rtmpdump] INFO: width 352.00 [rtmpdump] INFO: height 288.00 [rtmpdump] INFO: videodatarate 300.00 [rtmpdump] INFO: framerate 25.00 [rtmpdump] INFO: videocodecid 4.00 [rtmpdump] INFO: audiodatarate 64.00 [rtmpdump] INFO: audiodelay 0.05 [rtmpdump] INFO: audiocodecid 2.00 [rtmpdump] INFO: canSeekToEnd TRUE [rtmpdump] DEBUG: HandleCtrl, received ctrl. type: 32, len: 6 [rtmpdump] DEBUG: HandleCtrl, Stream BufferReady 1 [rtmpdump] DEBUG: HandleCtrl, received ctrl. type: 31, len: 6 [rtmpdump] DEBUG: HandleCtrl, Stream BufferEmpty 1 [rtmpdump] DEBUG: HandleCtrl, received ctrl. type: 32, len: 6 [rtmpdump] DEBUG: HandleCtrl, Stream BufferReady 1 [download] 99.7% of ~359.74MiB at 781.22KiB/s ETA 00:01 [rtmpdump] DEBUG: HandleCtrl, received ctrl. type: 31, len: 6 [rtmpdump] DEBUG: HandleCtrl, Stream BufferEmpty 1 [rtmpdump] DEBUG: RTMP_SendPause, 1, pauseTime=3244251 [rtmpdump] DEBUG: Invoking pause [rtmpdump] DEBUG: HandleCtrl, received ctrl. type: 32, len: 6 [rtmpdump] DEBUG: HandleCtrl, Stream BufferReady 1 [rtmpdump] DEBUG: HandleCtrl, received ctrl. type: 31, len: 6 [rtmpdump] DEBUG: HandleCtrl, Stream BufferEmpty 1 [rtmpdump] DEBUG: ignoring too small audio packet: size: 0 [rtmpdump] DEBUG: HandleCtrl, received ctrl. type: 1, len: 6 [rtmpdump] DEBUG: HandleCtrl, Stream EOF 1 [rtmpdump] DEBUG: RTMP_ClientPacket, received: notify 102 bytes [rtmpdump] DEBUG: (object begin) [rtmpdump] DEBUG: (object begin) [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: (object end) [rtmpdump] DEBUG: (object end) [rtmpdump] DEBUG: HandleCtrl, received ctrl. type: 1, len: 6 [rtmpdump] DEBUG: HandleCtrl, Stream EOF 1 [rtmpdump] DEBUG: RTMP_ClientPacket, received: invoke 232 bytes [rtmpdump] DEBUG: (object begin) [rtmpdump] DEBUG: Property: NULL [rtmpdump] DEBUG: (object begin) [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: Property: [rtmpdump] DEBUG: (object end) [rtmpdump] DEBUG: (object end) [rtmpdump] DEBUG: HandleInvoke, server invoking [rtmpdump] DEBUG: HandleInvoke, onStatus: NetStream.Play.Stop [rtmpdump] DEBUG: Invoking deleteStream [rtmpdump] DEBUG: Got Play.Complete or Play.Stop from server. Assuming stream is complete [download] 358.85MiB at 782.23KiB/s (07:49) [rtmpdump] DEBUG: RTMP_Read returned: 0 [rtmpdump] Download complete [rtmpdump] DEBUG: Closing connection. [rtmpdump] 376281107 bytes
@phihag phihag reopened this Feb 17, 2015
@dstftw dstftw closed this in 4a8d4a5 Feb 17, 2015
@phihag
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@phihag phihag commented Feb 19, 2015

I believe these glitches to be fixed in youtube-dl 2015.02.19.3. Again, see our FAQ if you need help updating.
@notuntoward
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@notuntoward notuntoward commented Feb 20, 2015

Yes, thanks, the download now works. I'm not sure if this is related, but
it now downloads at what seems to be streaming speed -- a 46 minute lecture
took about 46 minutes to download. If that's how it has to be, well, I'm
still pretty happy.

On Thu, Feb 19, 2015 at 7:31 PM, Philipp Hagemeister <
notifications@github.com> wrote:

I believe these glitches to be fixed in youtube-dl 2015.02.19.3. Again,
see our FAQ https://yt-dl.org/update if you need help updating.

—
Reply to this email directly or view it on GitHub
#4968 (comment).
@naglis
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@naglis naglis commented Feb 20, 2015

@notuntoward, yes, it's related - we've passed the --realtime flag to rtmpdump which is a known workaround for the issue of video jumping back all over again [1] and yes, the slowdown is the consequence of that 😞
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@phihag @naglis @dstftw @notuntoward
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