meaning of arrows in the gstreamer dot graph?

Jacques Bride jacques.bride at gmail.com
Mon Jan 14 07:08:39 PST 2013


Thanks a lot for the confirmation
Would it be easy to add a function that create a legend box inside of the
graph? As far as I have seen it looks not easy to figure out the free
position where to place the box, unless added at the very left of the
graph?
Jacques




2013/1/12 marcin at saepia.net <marcin at saepia.net>

> Yes, it is pull/push mode indicator.
>
>
> The code that generates that is
>
>   const gchar *activation_mode = "-><";
>
> and then such char gets concatenated
>
>   activation_mode[pad->mode]
>
> while mode is one of
>
>   typedef enum {
>     GST_ACTIVATE_NONE,
>     GST_ACTIVATE_PUSH,
>     GST_ACTIVATE_PULL
>   } GstActivateMode;
>
>
> So:
>
> mode NONE = "-"
> mode PUSH = ">"
> mode PULL = "<"
>
>
>
> m.
>
> 2013/1/9 Jacques Bride <jacques.bride at gmail.com>:
> > Hello all
> >
> > What is the exact meaning of the arrows [>] and [<] added in the
> > automatically generated dot graph when running a pipeline with
> > GST_DEBUG_DUMP_DOT_DIR flag enabled?
> >
> > Does it correspond to the pull/push mode information?
> >
> > Thanks
> > Jacques
> >
> >
> > _______________________________________________
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> > gstreamer-devel at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> >
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