From 95e89f786aad1077dab59f5b1bde572ceab12b7a Mon Sep 17 00:00:00 2001
From: Elliot Chen <elliot.chen@nxp.com>
Date: Sat, 28 Feb 2026 14:47:22 +0900
Subject: [PATCH] pipewiresrc: update per-plane stride and offset according to
 chunk info

---
 meson.build              |  2 +-
 src/gst/gstpipewiresrc.c | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/meson.build b/meson.build
index df1b412f8..37badca51 100644
--- a/meson.build
+++ b/meson.build
@@ -412,7 +412,7 @@ gst_deps_def = {
   'gio-unix-2.0': {},
   'gstreamer-1.0': {'version': '>= 1.10.0'},
   'gstreamer-base-1.0': {},
-  'gstreamer-video-1.0': {},
+  'gstreamer-video-1.0': {'version': '>= 1.22.0'},
   'gstreamer-audio-1.0': {},
   'gstreamer-allocators-1.0': {},
 }
diff --git a/src/gst/gstpipewiresrc.c b/src/gst/gstpipewiresrc.c
index b0de17dfd..1755a8d4f 100644
--- a/src/gst/gstpipewiresrc.c
+++ b/src/gst/gstpipewiresrc.c
@@ -838,6 +838,17 @@ static GstBuffer *dequeue_buffer(GstPipeWireSrc *pwsrc)
 
       video_size += d->chunk->size;
     }
+
+    /* If the buffer number is smaller than the plane number,
+     * update the stride and offset for the remaining planes.
+     */
+    if (n_datas && n_datas < n_planes) {
+      for (i = n_datas; i < n_planes; i++) {
+        meta->stride[i] = gst_video_format_info_extrapolate_stride (info->finfo, i, b->buffer->datas[0].chunk->stride);
+        meta->offset[i] = meta->offset[i-1] +
+            meta->stride[i-1] * GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (info->finfo, i-1, GST_VIDEO_INFO_HEIGHT(info));
+      }
+    }
   }
 
   if (b->buffer->n_datas != gst_buffer_n_memory(data->buf)) {