[pmwiki-users] Video problems with Safari 9.0.1

Paul Bloch paul at cs.uoregon.edu
Tue Nov 17 18:56:13 CST 2015

Thanks. This helps. I have it working now.


> On 17 Nov 2015, at 9:58 AM, Petko Yotov <5ko at 5ko.fr> wrote:
> Looking at the response headers, there are only a few differences: the direct download from the server contains a header "Accept-Ranges: bytes" which allows the browsers to restart a download or to skip forward. The PmWiki's protected download feature does not provide such a function, a file is served at once, the browser has to download it linearly.
> If you remove or comment out the line
>  $EnableDirectDownload = 0;
> from your local configuration, and fix Apache .htaccess permissions, it will probably work.
> OTOH if you have disabled direct downloads, you probably have a reason for this.
> Alternatively, you may define and use an InterMap prefix to easily link from your pages to a directly accessible directory (or symlink) on the server, for example:
>  # in the page [[Site.InterMap]]:
>  Videos: /~paul/Videos/
> where on the server the Videos directory is a symlink to one uploads subdirectory that may be accessed without passwords.
> In content wiki page:
>  [[Videos:Concession_LAN_800k-h.mp4]]
> See http://www.pmwiki.org/wiki/PmWiki/InterMap for more information. Your authors will still need to upload the videos the usual way.
> Petko
> ---
> Change log     :  http://www.pmwiki.org/wiki/PmWiki/ChangeLog
> Release notes  :  http://www.pmwiki.org/wiki/PmWiki/ReleaseNotes
> If you upgrade :  http://www.pmwiki.org/wiki/PmWiki/Upgrades
> On 2015-11-16 20:01, Paul Bloch wrote:
>> I post videos on our PmWiki as simple upload links:
>> "[[Attach:Video.mp4]]".  This has worked fine until Safari 9.0.1,
>> which doesn’t play them. They still play in Google Chrome and Firefox.
>> To troubleshoot, I updated to the latest PmWiki software and used the
>> PmWiki Site Analyzer to check Cookbook and configuration and disabled
>> all my Safari extensions. Safari still won’t play the videos. What I
>> discovered is that the video _does_ play if I move it out of PmWiki
>> and just link to it directly.
>> You can try this yourself in my WikiSandbox:
>> <https://ix.cs.uoregon.edu/~paul/wackie/index.php?n=Main.WikiSandbox>.
>> Here is the wiki markup of those two links. The file pointed to in the
>> second line is a symlink to the file in my "uploads" directory; it is
>> the same file.
>> *[[Attach:Concession_LAN_800k-h.mp4]] (works with Chrome46.0.2490.86,
>> Firefox42, Safari5.1.10)
>> *[[https://ix.cs.uoregon.edu/~paul/Concession_LAN_800k-h.mp4]](works
>> with Chrome46.0.2490.86, Firefox42, Safari5.1.10, Safari9.0.1)
>> What is PmWiki doing that keeps this from playing in Safari 9.0.1?
>> Paul E. Bloch, Systems Admin
>> Computer & Information Science
>> University of Oregon
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