[Qtwebengine] Pepper plugins (flash/widevine) on Linux

Dmitry B linuxsquirrel.dev at gmail.com
Thu Oct 15 19:47:18 CEST 2015

Hi. Well, actually an issue with flash was my fault. It is working more or
less. I am able to open flash-based websites. But with WideVine I still
cannot see DR content. For example:

./demobrowser --ppapi-out-of-process

The HTML page says "Unfortunately, your browser is not supported."

/opt/libwidevinecdmadapter.so is copied from Ubuntu version of Chromium
(45.0.2454.101-0ubuntu0. Since Chromium's
libwidevinecdmadapter.so depends on libbase.so, I added Chromum's library

BTW strace shows that it at least opens
libwidevinecdmadapter.so/libwidevinecdm.so without errors.

The second test tries libwidevinecdmadapter.so/libwidevinecdm.so from
Google Chrome. I've replaced those libraries in /opt and run again:

export LD_LIBRARY_PATH=/opt/Qt-custom/lib:/opt
./demobrowser --ppapi-out-of-process

Still says "Unfortunately, your browser is not supported.". With Google
Chrome and Ubuntu Chromium that page works OK.

Maybe I am missing something?

2015-10-15 2:38 GMT-07:00 Allan Sandfeld Jensen <
allan.jensen at theqtcompany.com>:

> On Thursday 15 October 2015, Dmitry B wrote:
> > Hi everybody.
> >
> > Does the current Qt 5.6 from GIT support PEPPER plugins such as flash and
> > WideVine? I tried the latest GIT version and it cannot find flash PEPPER
> > plugin on Ubuntu 14.04, however I have
> > /usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so installed. Maybe
> I
> > am missing something? Any help is appreciated.
> No that should be one of the paths we explicitly search, see
> content_client_qt.cpp:118
> How are you testing it?
> --
> The Qt Company
> Rudower Chausse 13, 12489 D-Berlin
> The Qt Company is a group company of Digia Plc,
> Valimotie 21, FI-00380 Helsinki Finland
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