audio: pipewire: Remove the nickname portion of sink/source names

Removes the node nickname from sink/source nodes as it doesn't provide any useful information and names now match those used in Pulseaudio, so any stored configuration data will be compatible between the two audio backends.

src/audio/pipewire/SDL_pipewire.c

@@ -615,7 +615,7 @@ registry_event_global_callback(void *object, uint32_t id, uint32_t permissions,
         const char *media_class = spa_dict_lookup(props, PW_KEY_MEDIA_CLASS);
 
         if (media_class) {
-            const char *    node_nick, *node_desc;
+            const char *    node_desc;
             struct io_node *io;
             SDL_bool        is_capture;
             int             str_buffer_len;
@@ -629,10 +629,9 @@ registry_event_global_callback(void *object, uint32_t id, uint32_t permissions,
                 return;
             }
 
-            node_nick = spa_dict_lookup(props, PW_KEY_NODE_NICK);
             node_desc = spa_dict_lookup(props, PW_KEY_NODE_DESCRIPTION);
 
-            if (node_nick && node_desc) {
+            if (node_desc) {
                 node = node_object_new(id, type, version, &interface_node_events, &interface_core_events);
                 if (node == NULL) {
                     SDL_SetError("Pipewire: Failed to allocate interface node");
@@ -640,7 +639,7 @@ registry_event_global_callback(void *object, uint32_t id, uint32_t permissions,
                 }
 
                 /* Allocate and initialize the I/O node information struct */
-                str_buffer_len = SDL_strlen(node_nick) + SDL_strlen(node_desc) + 3;
+                str_buffer_len = SDL_strlen(node_desc) + 1;
                 node->userdata = io = SDL_calloc(1, sizeof(struct io_node) + str_buffer_len);
                 if (io == NULL) {
                     node_object_destroy(node);
@@ -652,7 +651,7 @@ registry_event_global_callback(void *object, uint32_t id, uint32_t permissions,
                 io->id          = id;
                 io->is_capture  = is_capture;
                 io->spec.format = AUDIO_F32; /* Pipewire uses floats internally, other formats require conversion. */
-                SDL_snprintf(io->name, str_buffer_len, "%s: %s", node_nick, node_desc);
+                SDL_strlcpy(io->name, node_desc, str_buffer_len);
 
                 /* Update sync points */
                 hotplug_core_sync(node);