[vlc-devel] VLC Lib Media Descriptor Additional Callbacks
pdherbemont at free.fr
Tue Oct 16 07:41:52 CEST 2007
Thanks for the patch. I have a comment though. What about sending
libvlc_MediaDescriptorDurationAvailable instead of
libvlc_MediaDescriptorPreparsedChanged. It seems a bit more explicit
The rest of the patch is fine for me.
On Oct 16, 2007, at 2:42 AM, Enrique Osuna wrote:
> For all that are interested, attached is a patch to add a few
> functions that I've found very useful to the media descriptor objects.
> 1. Store user data in the descritpor - this current application
> allows for the VLC.framework (MacOSX bindings) to create native
> objects and associate the objects with media descriptor objects,
> otherwise the integrity of the data is lost (or the VLC.framework
> would have to maintain a local copy of all the media descriptors it
> creates). libvlc_media_descriptor_[gs]et_user_data.
> 2. Can now retrieve the duration of a media object's input, versus
> retrieving the information from the playlist or a media instance.
> 3. Can now retrieve the preparsed state of a media object's input.
> This information is useful when attempt to trap key data, for
> instance one of my applications is that the program can't continue
> until it's discovered what duration of a media object is. It keeps
> polling the length and the preparsed state, if the length is not
> set and the preparsed state is true, then that means the duration
> is not available so it errors out.
> 4. Added associated callbacks for duration and preparsed states.
> When these values are changed libvlc_MediaDescriptorDurationChanged/
> vlc_InputItemDurationChanged and
> vlc_InputItemPreparsedChanged events are invoked.
> Thanks for the feedback.
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