I normally run the Ubuntu nightly and I cannot get the glib module. go get github.com/ziutek/glib fails with the following (actually I only need this module for the gst module which as well is failing due to this):
type.go:74:1: error: 'g_thread_init' is deprecated (declared at /usr/include/glib-2.0/glib/deprecated/gthread.h:259) [-Werror=deprecated-declarations]
cc1: all warnings being treated as errors

A hack would be to change the cgo command and remove the -Werror flag (in go/src/cmd/cgo/gcc.go), any ideas for a better solution (the package I have installed for glib in ubuntu is libglib2.0-0)

P.S awesome work with the gst and other go modules, I am just getting started with go and these look really what I needed to start shifting my work.

Good afternoon,

I'm trying to connect to the notify::current-level-buffers signal of the gstreamer 1.0 queue. Unfortunately, the callback parameter needs to be of type GParam, which is not a type recognized by Type.Match in object.go#L247. (Type.Match() source)

The following is a super simplified version of what I'm trying to do. Any thoughts on either what I'm doing wrong or how to extend this package to handle the signal?

package main

import (
        "fmt"
        "github.com/ziutek/gst"
)

func main() {
        pl := gst.NewPipeline("pipeline")

        el := gst.ElementFactoryMake("queue", "queue")
        pl.Add(el)

        queue := pl.GetByName("queue")
        queue.ConnectNoi("notify::current-level-buffers", cbNotifyBuffers, nil)
}

func cbNotifyBuffers(bufferLevel interface{}) {
        fmt.Println(bufferLevel)
}

Running I get the following panic:

panic: Callback #0 param. type interface {} doesn't match signal spec GParam

(Obviously the callback shouldn't be an interface{}, but I don't think there is currently a type which would satisfy Type.Match())

Thank you for your help, and for the glib and gst packages!

Hi,

i get following error while trying to install your library.

go get github.com/ziutek/glib
# github.com/ziutek/glib
/tmp/go-build642310031/github.com/ziutek/glib/_obj/type.cgo2.o: In function `_cgo_4dd0e201dc87_Cfunc_g_thread_init':
/usr/share/go/src/pkg/github.com/ziutek/glib/type.go:81: undefined reference to `g_thread_init'
collect2: ld gab 1 als Ende-Status zurück

I've installed libglib2 and libglib2-dev with

sudo apt-get install libglib2.0 and libglib2.0-dev

My system is:
Ubuntu 12.04 LTS
Golang 1.0.1

Thank you!

(might this link has something to do with it?)
http://osdir.com/ml/commits.gnome/2011-10/msg08477.html)

pkg-config --cflags glib-2.0 gobject-2.0
-I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include

/*
#cgo pkg-config: nice
#include <agent.h>
*/
import "C"

agent := C.nice_agent_new(C.g_main_context_default(), C.NICE_COMPATIBILITY_RFC5245)
obj := &glib.Object{}
obj.SetPtr((glib.Pointer)(agent))
obj.Connect("component-state-changed", onStateChange, nil)

func (agent *C.NiceAgent, str, comp, state C.guint, data glib.Pointer) {
}

...
panic: Callback #0 param. type nice._Ctype_struct__NiceAgent doesn't match signal source: NiceAgent

Reference: http://nice.freedesktop.org/libnice/NiceAgent.html#NiceAgent-component-state-changed

Callback #1 param. type int doesn't match signal spec gint

error raised at ubuntu 13.10
when go install github.com/ziutek/gst

I get this error during install:

github.com/ziutek/glib

1: error: 'g_value_set_schar' undeclared (first use in this function)
1: note: each undeclared identifier is reported only once for each function it appears