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alsa-endpoint: monitor and update node params

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This commit is contained in:
Wim Taymans 2019-11-27 12:19:28 +01:00
parent 4361e5f326
commit 8c06760480
1 changed files with 49 additions and 0 deletions
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49
src/examples/media-session/alsa-endpoint.c
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@ -248,8 +248,55 @@ static struct stream *endpoint_add_stream(struct endpoint *endpoint)
return s;
}
static void update_params(void *data)
{
uint32_t n_params;
const struct spa_pod **params;
struct endpoint *endpoint = data;
struct sm_node *node = endpoint->obj->snode;
struct sm_param *p;
pw_log_debug(NAME" %p: endpoint", endpoint);
params = alloca(sizeof(struct spa_pod *) * node->n_params);
n_params = 0;
spa_list_for_each(p, &node->param_list, link) {
switch (p->id) {
case SPA_PARAM_Props:
case SPA_PARAM_PropInfo:
params[n_params++] = p->param;
break;
default:
break;
}
}
pw_client_endpoint_proxy_update(endpoint->client_endpoint,
PW_CLIENT_ENDPOINT_UPDATE_PARAMS |
PW_CLIENT_ENDPOINT_UPDATE_INFO,
n_params, params,
&endpoint->info);
}
static struct endpoint *make_endpoint(struct alsa_node *obj, struct endpoint *monitor);
static void object_update(void *data)
{
struct endpoint *endpoint = data;
struct impl *impl = endpoint->obj->impl;
struct sm_node *node = endpoint->obj->snode;
pw_log_debug(NAME" %p: endpoint %p", impl, endpoint);
if (node->obj.changed & SM_NODE_CHANGE_MASK_PARAMS)
update_params(endpoint);
}
static const struct sm_object_events object_events = {
SM_VERSION_OBJECT_EVENTS,
.update = object_update
};
static void complete_endpoint(void *data)
{
struct endpoint *endpoint = data;
@ -300,6 +347,8 @@ static void complete_endpoint(void *data)
endpoint_add_stream(monitor);
}
stream_set_active(endpoint, stream, true);
sm_object_add_listener(&endpoint->obj->snode->obj, &endpoint->listener, &object_events, endpoint);
}
static struct endpoint *make_endpoint(struct alsa_node *obj, struct endpoint *monitor)