func toGValue(v interface{}) *C.GValue {
value := C.gvalue_new()
switch reflect.TypeOf(v).Kind() {
case reflect.String:
C.g_value_init(value, C.G_TYPE_STRING)
cStr := C.CString(v.(string))
defer C.free(unsafe.Pointer(cStr))
C.g_value_set_string(value, (*C.gchar)(unsafe.Pointer(cStr)))
case reflect.Int:
C.g_value_init(value, C.G_TYPE_INT)
C.g_value_set_int(value, C.gint(v.(int)))
case reflect.Struct:
switch rv := v.(type) {
case Fraction:
C.g_value_init(value, C.gst_fraction_get_type())
C.gst_value_set_fraction(value, C.gint(rv.N), C.gint(rv.D))
default:
p("unknown struct type %v\n", v)
panic("fixme") //TODO
}
case reflect.Ptr:
switch reflect.TypeOf(v) {
case gstCapsType:
C.g_value_init(value, C.gst_caps_get_type())
C.gst_value_set_caps(value, v.(*C.GstCaps))
default:
panic(fmt.Sprintf("unknown type %v", v)) //TODO
}
default:
panic(fmt.Sprintf("unknown type %v", v)) //TODO
}
return value
}
func init() {
alen := C.int(len(os.Args))
argv := make([]*C.char, alen)
for i, s := range os.Args {
argv[i] = C.CString(s)
}
ret := C._gst_init(&alen, &argv[0])
argv = (*[1 << 16]*C.char)(unsafe.Pointer(ret))[:alen]
os.Args = make([]string, alen)
for i, s := range argv {
os.Args[i] = C.GoString(s)
}
TYPE_INT_RANGE = glib.Type(C.gst_int_range_get_type())
TYPE_FRACTION = glib.Type(C.gst_fraction_get_type())
}
