From 9a19091ac75a0dd57b289820183521b1b92b3c26 Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Tue, 16 Jun 2026 18:24:14 +0200
Subject: [PATCH] buffers: tweak some limits

Allow max 64 metadatas on a buffer
---
 src/modules/module-client-node/client-node.c     | 1 -
 src/modules/module-client-node/protocol-native.c | 2 +-
 src/pipewire/buffers.c                           | 3 ++-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/modules/module-client-node/client-node.c b/src/modules/module-client-node/client-node.c
index e79b616ea..b693c8e92 100644
--- a/src/modules/module-client-node/client-node.c
+++ b/src/modules/module-client-node/client-node.c
@@ -30,7 +30,6 @@ PW_LOG_TOPIC_EXTERN(mod_topic);
 
 #define AREA_SLOT	(sizeof(struct spa_io_async_buffers))
 #define AREA_SIZE	(4096u / AREA_SLOT)
-#define MAX_AREAS	32
 
 #define CHECK_FREE_PORT(impl,d,p)	(p <= pw_map_get_size(&impl->ports[d]) && !CHECK_PORT(impl,d,p))
 #define CHECK_PORT(impl,d,p)		(pw_map_lookup(&impl->ports[d], p) != NULL)
diff --git a/src/modules/module-client-node/protocol-native.c b/src/modules/module-client-node/protocol-native.c
index 17f8e2da1..f7f380642 100644
--- a/src/modules/module-client-node/protocol-native.c
+++ b/src/modules/module-client-node/protocol-native.c
@@ -17,7 +17,7 @@
 #define MAX_PARAMS	4096
 #define MAX_PARAM_INFO	128
 #define MAX_BUFFERS	64
-#define MAX_METAS	16u
+#define MAX_METAS	64u
 #define MAX_DATAS	256u
 
 PW_LOG_TOPIC_EXTERN(mod_topic);
diff --git a/src/pipewire/buffers.c b/src/pipewire/buffers.c
index 63e16bf43..e445b7700 100644
--- a/src/pipewire/buffers.c
+++ b/src/pipewire/buffers.c
@@ -18,6 +18,7 @@ PW_LOG_TOPIC_EXTERN(log_buffers);
 #define PW_LOG_TOPIC_DEFAULT log_buffers
 
 #define MAX_ALIGN	32u
+#define MAX_METAS	64u
 #define MAX_BLOCKS	256u
 
 struct port {
@@ -252,7 +253,7 @@ int pw_buffers_negotiate(struct pw_context *context, uint32_t flags,
 	if ((res = param_filter(result, &input, &output, SPA_PARAM_Meta, &b)) > 0)
 		n_params += res;
 
-	if (n_params > 4096)
+	if (n_params > MAX_METAS)
 		return -EINVAL;
 
 	metas = alloca(sizeof(struct spa_meta) * n_params * 2);