From 0b69f37a7c5db5dd519e6a88c36d0e728bc981dd Mon Sep 17 00:00:00 2001
From: Robert Mader <robert.mader@collabora.com>
Date: Mon, 20 Feb 2023 22:25:05 +0100
Subject: [PATCH] gstpipewiresrc: Do not alter meta plane count

Shared memory buffers may contain multiple planes.
Thus we need to keep the meta plane number as derived from the format.

Closes https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/3045
---
 src/gst/gstpipewiresrc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/gst/gstpipewiresrc.c b/src/gst/gstpipewiresrc.c
index 2ff087cc7..baed43bb0 100644
--- a/src/gst/gstpipewiresrc.c
+++ b/src/gst/gstpipewiresrc.c
@@ -626,8 +626,7 @@ static GstBuffer *dequeue_buffer(GstPipeWireSrc *pwsrc)
                              info->offset,
                              info->stride);
 
-    meta->n_planes = MIN(meta->n_planes, b->buffer->n_datas);
-    for (i = 0; i < meta->n_planes; i++) {
+    for (i = 0; i < MIN (b->buffer->n_datas, GST_VIDEO_MAX_PLANES); i++) {
       struct spa_data *d = &b->buffer->datas[i];
       meta->offset[i] = video_size;
       meta->stride[i] = d->chunk->stride;