Empty subtitles from Pluralsight

[andras-zoltan]

Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2016.10.21.1. If it's not read this FAQ entry and update. Issues with outdated version will be rejected.

• I've verified and I assure that I'm running youtube-dl 2016.10.21.1

Before submitting an issue make sure you have:

• At least skimmed through README and most notably FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones

What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add -v flag to your command line you run youtube-dl with, copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

root@dns-315:~# youtube-dl --username ****** --password ****** --write-sub --embed-subs --verbose https://app.pluralsight.com/library/courses/csharp-language-internals-part2/table-of-contents

[debug] System config: []
[debug] User config: []
[debug] Command-line args: [u'--username', u'PRIVATE', u'--password', u'PRIVATE', u'--write-sub', u'--embed-subs', u'--verbose', u'https://app.pluralsight.com/library/courses/csharp-language-internals-part2/table-of-contents']
[debug] Encodings: locale ASCII, fs ASCII, out ASCII, pref ASCII
[debug] youtube-dl version 2016.10.21.1
[debug] Python version 2.7.6 - Linux-2.6.31.14_7820-armv6l-with-libc0
[debug] exe versions: ffmpeg 2.1.8-compiled_by_barmalej2_for_ffp0.7arm, ffprobe 2.1.8-compiled_by_barmalej2_for_ffp0.7arm, rtmpdump 2.4
[debug] Proxy map: {}
[pluralsight:course] csharp-language-internals-part2: Downloading course JSON
[pluralsight:course] csharp-language-internals-part2: Downloading course data JSON
[download] Downloading playlist: C# Language Internals - Part 2
[pluralsight:course] playlist C# Language Internals - Part 2: Collected 64 video ids (downloading 64 of them)
[download] Downloading video 1 of 64
[pluralsight] Downloading login page
[pluralsight] Logging in as ******
[pluralsight] csharp-language-internals-part2-m1-0: Downloading JSON metadata
[pluralsight] csharp-language-internals-part2-m1-0: Downloading mp4-high viewclip JSON
[pluralsight] csharp-language-internals-part2-m1-0: Waiting for 3 seconds to avoid throttling
[pluralsight] csharp-language-internals-part2-m1-0: Downloading captions JSON
[info] Writing video subtitles to: Investigating Iterators - Introducing Iterators-csharp-language-internals-part2-m1-01.en.srt
[debug] Invoking downloader on u'http://vid.pluralsight.com/expiretime=1477052698/fb11e3a4073293295161a73e07ec94cd/clip-videos/bart-desmet/csharp-language-internals-part2-m1/csharp-language-internals-part2-m1-01/1024x768mp4/20140609133747.mp4'
[download] Destination: Investigating Iterators - Introducing Iterators-csharp-language-internals-part2-m1-01.mp4
[download] 100% of 7.13MiB in 00:01
[ffmpeg] Embedding subtitles in 'Investigating Iterators - Introducing Iterators-csharp-language-internals-part2-m1-01.mp4'
[debug] ffmpeg command line: ffmpeg -y -i 'file:Investigating Iterators - Introducing Iterators-csharp-language-internals-part2-m1-01.mp4' -i 'file:Investigating Iterators - Introducing Iterators-csharp-language-internals-part2-m1-01.en.srt' -map 0 -c copy -map -0:s -c:s mov_text -map 1:0 -metadata:s:s:0 language=eng 'file:Investigating Iterators - Introducing Iterators-csharp-language-internals-part2-m1-01.temp.mp4'
ERROR: file:Investigating Iterators - Introducing Iterators-csharp-language-internals-part2-m1-01.en.srt: Invalid data found when processing input
Traceback (most recent call last):
  File "/ffp/bin/youtube-dl/youtube_dl/YoutubeDL.py", line 1837, in post_process
    files_to_delete, info = pp.run(info)
  File "/ffp/bin/youtube-dl/youtube_dl/postprocessor/ffmpeg.py", line 381, in run
    self.run_ffmpeg_multiple_files(input_files, temp_filename, opts)
  File "/ffp/bin/youtube-dl/youtube_dl/postprocessor/ffmpeg.py", line 192, in run_ffmpeg_multiple_files
    raise FFmpegPostProcessorError(msg)
FFmpegPostProcessorError
[debug] Proxy map: {}
...
<end of log>

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The downloaded subtitles are created but always empty.