From e615f175733cd3cad646e07fb4096288baad6ad6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jonas=20=C3=85dahl?= <jadahl@gmail.com>
Date: Mon, 10 Nov 2025 23:38:18 +0100
Subject: [PATCH] examples/video-src-fixate: Fake DmaBuf fd with memfd

Otherwise the stream will fail due to not being able to import fd.
---
 src/examples/video-src-fixate.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/examples/video-src-fixate.c b/src/examples/video-src-fixate.c
index 4e2fa959f..0620c4ceb 100644
--- a/src/examples/video-src-fixate.c
+++ b/src/examples/video-src-fixate.c
@@ -295,7 +295,11 @@ static void on_stream_add_buffer(void *_data, struct pw_buffer *buffer)
 	if ((d[0].type & (1<<SPA_DATA_DmaBuf)) > 0) {
 		printf("pretend to support dmabufs while setting the fd to -1\n");
 		d[0].type = SPA_DATA_DmaBuf;
+#ifdef HAVE_MEMFD_CREATE
+		d[0].fd = memfd_create("video-src-fixate-fake-dmabuf", MFD_CLOEXEC | MFD_ALLOW_SEALING);
+#else
 		d[0].fd = -1;
+#endif
 		d[0].data = NULL;
 		return;
 	}