Phonon used in Qt Project - Custom QIODevice to support encrypted files

[Thiago Macieira]

On terça-feira, 27 de novembro de 2012 09.53.54, Harald Sitter wrote:
> > "Warning: On Windows, we only support QIODevices containing the avi, mp3,
> > or mpg formats. Use the constructor that takes a file name to open files
> > (the Qt backend does not use a QFile internally)."
> > 
> > Is there any way to avoid this restrictions and to extend this
> > functionality? Unfortunalety I definitely have to use encrypted files. And
> > perhaps can tell me somebody what's the reason behind this? Using usual
> > (not encrypted) files without the custom IODevice there is no problem
> > playing video files containing other formats like WMV or (with the right
> > codecs) MP4.
> 
> We do not maintain Qt's Phonon, if you want support for it Digia/Qt-Project
> is the better place to ask. What I recommend however is building the
> regular Phonon along with the Phonon VLC backend. Not only has it numerous
> bug fixes compared to the Qt copy but also vastly greater and more reliable
> codec support (through VLC).

And the limitation above probably does not apply. The limitation probably is 
rooted on the DirectShow 9 API used to implement the codec when it comes with 
Qt. I don't see why VLC would be affected.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
   Software Architect - Intel Open Source Technology Center
      PGP/GPG: 0x6EF45358; fingerprint:
      E067 918B B660 DBD1 105C  966C 33F5 F005 6EF4 5358
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