Gst Device Provider Bus Callbacks

[Ilya Aleshkov]

Hi,

Have you tried to use gst_bus_set_sync_handler?

Thanks,
Ilya

On Wed, Mar 31, 2021 at 1:30 PM Townsheriff <arturs.valenieks at gmail.com>
wrote:

> Hey,
>
> I'm writing a small application where I want to start a pipeline when a
> device is connected. To detect device I'm using DeviceMonitor api. I'm
> having trouble receiving an event from `gst_bus_add_watch_full`, but it
> works fine if I do it with timed iteration `gst_bus_timed_pop`. I was
> following  this
> <http://(
> https://gstreamer.freedesktop.org/documentation/gstreamer/gstdevicemonitor.html?gi-language=c>
>
> tutorial.
>
> What I'm doing wrong here?
>
>
> fn main() -> Result<(), Error> {
>     gst::init();
>
>     let monitor = gst::DeviceMonitor::new();
>     monitor.set_show_all_devices(true);
>
>     let bus = monitor.get_bus();
>
>     let r = bus.add_watch(|bus, msg| { // never called
>         println!("WATCH Message {:?}", &msg);
>
>         Continue(true)
>     });
>
>     println!("result {:?}", r);
>
>
>     let caps = gst::Caps::new_any();
>     monitor.add_filter(None, Some(&caps));
>
>     monitor.start();
>
>     monitor.get_providers()
>         .into_iter().for_each(|provider| println!("provider {:?}",
> String::from(provider)));
>
>     let devices =monitor.get_devices();
>     println!("devices {:?}", &devices);
>
>     for msg in bus.iter_timed(gst::CLOCK_TIME_NONE) { // works fine
>         println!("Message iter {:?}", &msg);
>     }
>
>     Ok(())
> }
>
>
> Cheers!
>
>
>
>
> --
> Sent from: http://gstreamer-devel.966125.n4.nabble.com/
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