[Qt-interest] Phonon - Play back a downloading video file

[Jonathan Wong]

Hi Andy,

Don't you need to close the 6MB file before you do a setSource?

Of course, it'll be marvelous if I could setSource while still appending to the same video file.

I just tried it myself. MediaObject is unable to load a video file if it is not closed. And I
can't open a video file for appending if MediaObject had already loaded it for playing.

Andy Bell wrote:
> Hi Jonathan,
> 
> I guess it may be important here to mention that I am using Qt 4.4.0 on
> Windows XP.
> 
> The video files are pretty large, like 700MB, what I find is that after
> say 6MB of download the video files plays back fine.  This is obviously
> all dependent on bitrate and the download rate but it seems to work
> fine.  I will try out that signal to see if I can work the player to run
> smoothly on higher bitrates and/or slower connection speeds.
> 
> Andy
> 
> On Wed, May 20, 2009 at 6:08 AM, Jonathan Wong <jhannwong at gmail.com
> <mailto:jhannwong at gmail.com>> wrote:
> 
>     Andy,
> 
>     My colleague tried it. Did a MediaObject.setSource(), but failed to
>     open the file again. Opening
>     the file first will cause setSource() to fail.
> 
>     How did you play a video file while it is still open for appending?
> 
>     Jonathan Wong wrote:
>     > Wow, one of my staff told me that wasn't possible, playing video
>     file while still appending to it.
>     > Thanks for the heads up!
>     >
>     > (Sorry, repost. Sent to Andy privately before. The Reply-to
>     doesn't seem to be the list address.)
>     >
>     > Andy Bell wrote:
>     >> Hi All,
>     >>
>     >> I would like to playback a video via Phonon whilst I am actually
>     >> downloading the video.  I can open the video file and play it back
>     >> whilst it is downloading but I would like to be able to have the
>     player
>     >> pause when it reaches the end of the already downloaded video so that
>     >> more video can be buffered and played back.  Is this possible?
>      If so,
>     >> what do I need to do to accomplish this with Phonon?
>     >>
>     >> Thanks in advance.
>     >>
>     >> Andy Bell
>     >>
>     >>
>     >>
>     >>
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