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media-session: improve find_object

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Make it possible to search for a type
This commit is contained in:
Wim Taymans 2020-07-22 14:14:02 +02:00
parent f6753eefc3
commit 5f9a8a82ab
1 changed files with 26 additions and 36 deletions
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62
src/examples/media-session/media-session.c
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@ -185,12 +185,14 @@ static void remove_object(struct impl *impl, struct sm_object *obj)
obj->id = SPA_ID_INVALID;
}
static void *find_object(struct impl *impl, uint32_t id)
static void *find_object(struct impl *impl, uint32_t id, const char *type)
{
void *obj;
if ((obj = pw_map_lookup(&impl->globals, id)) != NULL)
return obj;
return NULL;
struct sm_object *obj;
if ((obj = pw_map_lookup(&impl->globals, id)) == NULL)
return NULL;
if (type != NULL && strcmp(obj->type, type) != 0)
return NULL;
return obj;
}
static struct data *object_find_data(struct sm_object *obj, const char *id)
@ -576,7 +578,7 @@ static int node_init(void *object)
if (props) {
if ((str = pw_properties_get(props, PW_KEY_DEVICE_ID)) != NULL)
node->device = find_object(impl, atoi(str));
node->device = find_object(impl, atoi(str), NULL);
pw_log_debug(NAME" %p: node %d parent device %s (%p)", impl,
node->obj.id, str, node->device);
if (node->device) {
@ -670,7 +672,7 @@ static int port_init(void *object)
if ((str = pw_properties_get(props, PW_KEY_AUDIO_CHANNEL)) != NULL)
port->channel = find_channel(str);
if ((str = pw_properties_get(props, PW_KEY_NODE_ID)) != NULL)
port->node = find_object(impl, atoi(str));
port->node = find_object(impl, atoi(str), PW_TYPE_INTERFACE_Node);
pw_log_debug(NAME" %p: port %d parent node %s (%p) direction:%d type:%d", impl,
port->obj.id, str, port->node, port->direction, port->type);
@ -824,7 +826,7 @@ static int endpoint_init(void *object)
if (props) {
if ((str = pw_properties_get(props, PW_KEY_SESSION_ID)) != NULL)
endpoint->session = find_object(impl, atoi(str));
endpoint->session = find_object(impl, atoi(str), PW_TYPE_INTERFACE_Session);
pw_log_debug(NAME" %p: endpoint %d parent session %s", impl,
endpoint->obj.id, str);
if (endpoint->session) {
@ -908,7 +910,7 @@ static int endpoint_stream_init(void *object)
if (props) {
if ((str = pw_properties_get(props, PW_KEY_ENDPOINT_ID)) != NULL)
stream->endpoint = find_object(impl, atoi(str));
stream->endpoint = find_object(impl, atoi(str), PW_TYPE_INTERFACE_Endpoint);
pw_log_debug(NAME" %p: stream %d parent endpoint %s", impl,
stream->obj.id, str);
if (stream->endpoint) {
@ -1216,7 +1218,7 @@ registry_global(void *data, uint32_t id,
if (info == NULL)
return;
obj = find_object(impl, id);
obj = find_object(impl, id, NULL);
if (obj == NULL) {
bind_object(impl, info, id, permissions, type, version, props);
} else {
@ -1253,7 +1255,7 @@ int sm_media_session_add_listener(struct sm_media_session *sess, struct spa_hook
struct sm_object *sm_media_session_find_object(struct sm_media_session *sess, uint32_t id)
{
struct impl *impl = SPA_CONTAINER_OF(sess, struct impl, this);
return find_object(impl, id);
return find_object(impl, id, NULL);
}
int sm_media_session_destroy_object(struct sm_media_session *sess, uint32_t id)
@ -1347,7 +1349,7 @@ registry_global_remove(void *data, uint32_t id)
pw_log_debug(NAME " %p: remove global '%d'", impl, id);
if ((obj = find_object(impl, id)) == NULL)
if ((obj = find_object(impl, id, NULL)) == NULL)
return;
sm_object_destroy(obj);
@ -1577,39 +1579,30 @@ int sm_media_session_create_links(struct sm_media_session *sess,
/* find output node */
if ((str = spa_dict_lookup(dict, PW_KEY_LINK_OUTPUT_NODE)) != NULL &&
(obj = find_object(impl, atoi(str))) != NULL &&
strcmp(obj->type, PW_TYPE_INTERFACE_Node) == 0) {
(obj = find_object(impl, atoi(str), PW_TYPE_INTERFACE_Node)) != NULL)
outnode = (struct sm_node*)obj;
}
/* find input node */
if ((str = spa_dict_lookup(dict, PW_KEY_LINK_INPUT_NODE)) != NULL &&
(obj = find_object(impl, atoi(str))) != NULL &&
strcmp(obj->type, PW_TYPE_INTERFACE_Node) == 0) {
(obj = find_object(impl, atoi(str), PW_TYPE_INTERFACE_Node)) != NULL)
innode = (struct sm_node*)obj;
}
/* find endpoints and streams */
if ((str = spa_dict_lookup(dict, PW_KEY_ENDPOINT_LINK_OUTPUT_ENDPOINT)) != NULL &&
(obj = find_object(impl, atoi(str))) != NULL &&
strcmp(obj->type, PW_TYPE_INTERFACE_Endpoint) == 0) {
(obj = find_object(impl, atoi(str), PW_TYPE_INTERFACE_Endpoint)) != NULL)
outendpoint = (struct sm_endpoint*)obj;
}
if ((str = spa_dict_lookup(dict, PW_KEY_ENDPOINT_LINK_OUTPUT_STREAM)) != NULL &&
(obj = find_object(impl, atoi(str))) != NULL &&
strcmp(obj->type, PW_TYPE_INTERFACE_EndpointStream) == 0) {
(obj = find_object(impl, atoi(str), PW_TYPE_INTERFACE_EndpointStream)) != NULL)
outstream = (struct sm_endpoint_stream*)obj;
}
if ((str = spa_dict_lookup(dict, PW_KEY_ENDPOINT_LINK_INPUT_ENDPOINT)) != NULL &&
(obj = find_object(impl, atoi(str))) != NULL &&
strcmp(obj->type, PW_TYPE_INTERFACE_Endpoint) == 0) {
(obj = find_object(impl, atoi(str), PW_TYPE_INTERFACE_Endpoint)) != NULL)
inendpoint = (struct sm_endpoint*)obj;
}
if ((str = spa_dict_lookup(dict, PW_KEY_ENDPOINT_LINK_INPUT_STREAM)) != NULL &&
(obj = find_object(impl, atoi(str))) != NULL &&
strcmp(obj->type, PW_TYPE_INTERFACE_EndpointStream) == 0) {
(obj = find_object(impl, atoi(str), PW_TYPE_INTERFACE_EndpointStream)) != NULL)
instream = (struct sm_endpoint_stream*)obj;
}
if (outendpoint != NULL && inendpoint != NULL) {
link = calloc(1, sizeof(struct endpoint_link));
@ -1663,17 +1656,14 @@ int sm_media_session_remove_links(struct sm_media_session *sess,
/* find output node */
if ((str = spa_dict_lookup(dict, PW_KEY_LINK_OUTPUT_NODE)) != NULL &&
(obj = find_object(impl, atoi(str))) != NULL &&
strcmp(obj->type, PW_TYPE_INTERFACE_Node) == 0) {
(obj = find_object(impl, atoi(str), PW_TYPE_INTERFACE_Node)) != NULL)
outnode = (struct sm_node*)obj;
}
/* find input node */
if ((str = spa_dict_lookup(dict, PW_KEY_LINK_INPUT_NODE)) != NULL &&
(obj = find_object(impl, atoi(str))) != NULL &&
strcmp(obj->type, PW_TYPE_INTERFACE_Node) == 0) {
(obj = find_object(impl, atoi(str), PW_TYPE_INTERFACE_Node)) != NULL)
innode = (struct sm_node*)obj;
}
if (innode == NULL || outnode == NULL)
return -EINVAL;