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example: use bound event to find node id

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This commit is contained in:
Wim Taymans 2020-06-05 11:41:20 +02:00
parent ef770f9ccf
commit cecbf3191b
1 changed files with 10 additions and 11 deletions
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21
src/examples/export-spa.c
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@ -46,23 +46,22 @@ struct data {
const char *path;
struct pw_proxy *proxy;
struct spa_hook node_listener;
struct spa_hook proxy_listener;
uint32_t id;
};
static void node_event_info(void *object, const struct pw_node_info *info)
static void proxy_event_bound(void *object, uint32_t global_id)
{
struct data *data = object;
if (data->id != info->id) {
printf("node id: %u\n", info->id);
data->id = info->id;
if (data->id != global_id) {
printf("node id: %u\n", global_id);
data->id = global_id;
}
}
static const struct pw_node_events node_events = {
PW_VERSION_NODE_EVENTS,
.info = node_event_info,
static const struct pw_proxy_events proxy_events = {
PW_VERSION_PROXY_EVENTS,
.bound = proxy_event_bound,
};
static int make_node(struct data *data)
@ -99,8 +98,8 @@ static int make_node(struct data *data)
if (data->proxy == NULL)
return -errno;
pw_node_add_listener((struct pw_node*)data->proxy,
&data->node_listener, &node_events, data);
pw_proxy_add_listener(data->proxy,
&data->proxy_listener, &proxy_events, data);
return 0;
}