From b8f8409980a11556fde79040c9be05a0da2bb52c Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Thu, 13 Jan 2022 10:00:25 +0100
Subject: [PATCH] global: limit the id to 24 bits

This leaves some extra bits for applications to mark things.
---
 src/pipewire/global.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/pipewire/global.c b/src/pipewire/global.c
index 70e296c51..632cc2424 100644
--- a/src/pipewire/global.c
+++ b/src/pipewire/global.c
@@ -36,7 +36,7 @@
 PW_LOG_TOPIC_EXTERN(log_global);
 #define PW_LOG_TOPIC_DEFAULT log_global
 
-static uint64_t serial = 0;
+static uint32_t serial = 0;
 
 /** \cond */
 struct impl {
@@ -96,9 +96,7 @@ pw_global_new(struct pw_context *context,
 	this->func = func;
 	this->object = object;
 	this->properties = properties;
-	this->id = serial++;
-	if ((uint32_t)this->id == SPA_ID_INVALID)
-		this->id = serial++;
+	this->id = serial++ & 0xffffff;
 
 	spa_list_init(&this->resource_list);
 	spa_hook_list_init(&this->listener_list);