[gst-devel] configuring plugin priority

[Sachin Pandhare]

A playbin i think will try to use the higher rank plugin (amongst all) for a
given processing.
i think init for the plugin will be called from playbin but playbin can't
change the rank. is this understanding correct?

In this case, how can i use "rank changing" to make playbin to select a
given plugin?


On Thu, Aug 28, 2008 at 3:36 PM, Tim-Philipp Müller <t.i.m at zen.co.uk> wrote:

> On Thu, 2008-08-28 at 14:56 +0530, Sachin Pandhare wrote:
>
> > is there any method by which i can prioritize plugins?
> > e.g. there are X, Y, Z plugins. and i want my playbin to use Y rather
> > than other 2.
> >
> > Can i use gst_plugin_feature_set_rank for this?
>
> Yes. (Or pass the rank you want to gst_element_register in your plugin's
> plugin_init function).
>
> > will it work properly?
>
> It should if your plugin behaves as expected.
>
> > as i read from the manual i can set any value apart from
> > GST_RANK_NONE, GST_RANK_MARGINAL, GST_RANK_SECONDARY,
> > GST_RANK_PRIMARY ?
>
> Yes, you may use e.g. GST_RANK_SECONDARY+5 or GST_RANK_PRIMARY*2 if you
> want, it's just a number. Decoders/demuxers neeed to have at least a
> rank of MARGINAL though to be used by playbin/decodebin.
>
> Cheers
>  -Tim
>
>
>
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