pass the right types to the methods

This currently works because we accept void* for these functions but it
will fail when we will use the real types.

pipewire-alsa/alsa-plugins/ctl_pipewire.c

@@ -555,7 +555,7 @@ static int set_volume_mute(snd_ctl_pipewire_t *ctl, const char *name, struct vol
 		param = spa_pod_builder_pop(&b, &f[0]);
 
 		pw_log_debug("set device %d mute/volume for node %d", dg->id, g->id);
-		pw_device_set_param((struct pw_node*)dg->proxy,
+		pw_device_set_param((struct pw_device*)dg->proxy,
 			SPA_PARAM_Route, 0, param);
 	} else {
 		if (!SPA_FLAG_IS_SET(g->permissions, PW_PERM_W | PW_PERM_X))

pipewire-jack/src/pipewire-jack.c

@@ -3859,7 +3859,7 @@ static void registry_event_global(void *data, uint32_t id,
 			pw_proxy_add_listener(proxy,
 					&c->metadata->proxy_listener,
 					&metadata_proxy_events, c);
-			pw_metadata_add_listener(proxy,
+			pw_metadata_add_listener(c->metadata->proxy,
 					&c->metadata->listener,
 					&metadata_events, c);
 			do_sync = true;

pipewire-v4l2/src/pipewire-v4l2.c

@@ -2326,7 +2326,7 @@ static int vidioc_s_ctrl(struct file *file, struct v4l2_control *arg)
 			}
 
 			param = spa_pod_builder_pop(&b, &f[0]);
-			pw_node_set_param(file->node->proxy, SPA_PARAM_Props, 0, param);
+			pw_node_set_param((struct pw_node*)file->node->proxy, SPA_PARAM_Props, 0, param);
 
 			found = true;
 			pw_log_info("ctrl 0x%08" PRIx32 " set ok", arg->id);

src/modules/module-protocol-pulse/manager.c

@@ -809,7 +809,7 @@ int pw_manager_set_metadata(struct pw_manager *manager,
 		value = NULL;
 	}
 
-	pw_metadata_set_property(metadata->proxy,
+	pw_metadata_set_property((struct pw_metadata*)metadata->proxy,
 			subject, key, type, value);
 	return 0;
 }