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device: improve callbacks

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Pass info structures to device callbacks to make it more extensible.
Also notify about the supported params on the device because we
can.
This commit is contained in:
Wim Taymans 2019-02-13 11:13:46 +01:00
parent 5de7898808
commit ac5ec9bbe2
7 changed files with 135 additions and 64 deletions
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27
spa/plugins/bluez5/bluez5-device.c
View file

@ -91,15 +91,19 @@ static int emit_nodes(struct impl *this)
spa_list_for_each(t, &device->transport_list, device_link) {
if (t->profile == profile) {
struct spa_device_object_info info;
char transport[16];
snprintf(transport, 16, "%p", t);
items[0] = SPA_DICT_ITEM_INIT("bluez5.transport", transport);
this->callbacks->add(this->callbacks_data, 0,
&spa_a2dp_sink_factory,
SPA_TYPE_INTERFACE_Node,
&SPA_DICT_INIT(items, 1));
info = SPA_DEVICE_OBJECT_INFO_INIT();
info.type = SPA_TYPE_INTERFACE_Node;
info.factory = &spa_a2dp_sink_factory;
info.change_mask = SPA_DEVICE_OBJECT_CHANGE_MASK_INFO;
info.info = &SPA_DICT_INIT_ARRAY(items);
this->callbacks->object_info(this->callbacks_data, 0, &info);
break;
}
}
@ -125,10 +129,19 @@ static int impl_set_callbacks(struct spa_device *device,
this->callbacks_data = data;
if (callbacks) {
if (callbacks->info)
callbacks->info(data, &SPA_DICT_INIT_ARRAY(info_items));
if (callbacks->info) {
struct spa_device_info info;
if (this->callbacks->add)
info = SPA_DEVICE_INFO_INIT();
info.change_mask = SPA_DEVICE_CHANGE_MASK_INFO | SPA_DEVICE_CHANGE_MASK_PARAMS;
info.info = &SPA_DICT_INIT_ARRAY(info_items);
info.n_params = 0;
info.params = NULL;
callbacks->info(data, &info);
}
if (this->callbacks->object_info)
emit_nodes(this);
}