[webkit-qt] seek not supported in Phonon

[henry.haverinen at nokia.com]

Hello Jianhua,

You can find the Qt Multimedia documentation here: 
http://doc.qt.nokia.com/qtmobility-1.0/multimedia.html. Even though
it's coming from the Mobility project, Qt Multimedia has implementations for desktop platforms.

Qt Multimedia is still a beta in the current mobility 1.0 release. The plan is to have a 
final release the 1.0.1 version that should be out soon. We'll focus on the Qt Multimedia based 
architecture in our future improvements to HTML5 media.

Regards,
Henry

On Jun 10, 2010, at 4:39 AM, ext jianhua zhou wrote:

> Hi Benjamin,
> 
> Thanks for your information.
> 
> So could you tell me when QtMultimedia will be officially relased? And
> also how can I get more information about
> QtMultiMeida framework to make sure that with this new framework I can
> implement the seek feature.
> 
> Another point is I guess QtWebKit and Phonon is greatly used for
> multimeida development and for a typical media player
> "seek" is a normial feature that player should support. How it can be
> implemented without modifying WebKit source code?
> 
> Thanks/Merci/Xiexie!
> 
> Jianhua
> 
> 
> 2010/6/10 Benjamin Poulain <benjamin.poulain at nokia.com>:
>> ext jianhua zhou wrote:
>>> 
>>> I am a new comer for webkit and I am meeting a difficult problem.
>>> In my project I develop a media player based on Webkit/Phonon and it
>>> can play media file now. However
>>> when I start to develop the "seek" (or "jump") I realized that it
>>> seems impossible with QtWebKit and phonon because the method
>>> 
>>> float MediaPlayerPrivate::maxTimeSeekable() const
>>> {
>>>    notImplemented();
>>>    return 0.0f;
>>> }
>>> 
>>> which leads to "HTMLMediaElement::seek" return in step 4 and it can
>>> not come to step 10 to have a real "seek".
>>> 
>>> Anybody has experience on this issue?
>> 
>> Tor Arne will probably have a lot more information about that but if I
>> remember correctly, the seek feature was impossible to implement with the
>> API of Phonon.
>> 
>> I guess the solution would be to use the QtMultimedia backend or maybe the
>> new Phonon if the new API provides what is needed. Both solutions would
>> require you to modify WebKit.
>> 
>> cheers,
>> Benjamin
>> 
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