On Wed, 2009-09-02 at 13:52 +0200, Peter Kornatowski wrote:
> Hi,
>
> I have a linux application where i do some stuff with bluez (4.50) over dbus. I have 3 headsets with which I test (Jabra BT530, Sora B-Speech, official PS3-BT headset) and on all I get the same behaviour/error.
>
> I would like to set the speakergain of a headset from my linux-app. I tried two methods:
>
> a) call the method "SetProperty":
>
> GValue value;
> value.g_type = 0; // also tried: value = { 0 };
> guint16 ugain = (guint16)gain; // also tried: guint ugain = (guint)gain;
> g_value_init(&value, G_TYPE_UINT);
> g_value_set_uint(&value, ugain);
> dbus_g_proxy_call(proxy, "SetProperty", &error, G_TYPE_STRING,
> "SpeakerGain", G_TYPE_VALUE, &value, G_TYPE_INVALID, G_TYPE_INVALID);
This would work (and you don't need to use a GValue, the call will take
care of marshalling the value to the proper type:
dbus_g_proxy_call(proxy, "SetProperty", &error, G_TYPE_STRING,
"SpeakerGain", G_TYPE_UINT, ugain, G_TYPE_INVALID, G_TYPE_INVALID);
> g_value_unset(&value);
Cheers
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