Re: Querying stream position/duration with gstmm

[José Alburquerque <jaalburquerque cox net>]

Murray Cumming wrote:
> On Thu, 2007-12-13 at 10:13 -0500, José Alburquerque wrote:
>   
> > Murray Cumming wrote:
> >     
> > >   bool query_position(Format& format, ClockTime& position)
> > >
> > > Why the change of type for position? Is that an error in the gstreamer C
> > > API?
> > >
> > >   
> > >       
> > While working on the element query example (GADM 11.1 
> > <http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/chapter-queryevents.html#section-querying>), 
> > I noticed that, although gst_element_query_position() works with a 
> > gint64, the C macros used with the position (like GST_TIME_ARGS and 
> > GST_FORMAT_TIME in gstclock.h) imply that they are working with a 
> > GstClockTime.  Since C++ is strongly typed and C is not, I'm thinking 
> > that the developers used gint64 and GstClockTime interchangeably.  In 
> > C++ types are more enforced so I thought we might use Gst::ClockTime 
> > instead, but this might not be the best thing to do.  What do you think?
> >     
>
> Yes, that sounds like a good idea, but could you file a patch for
> gstreamer to make their API clearer. That would be one way to be sure.
>
>   
Sure.

-Jose