From fca7e5aa23ac37870a16a75bfd567b3a5a25f2de Mon Sep 17 00:00:00 2001
From: Seungha Yang <seungha@centricular.com>
Date: Mon, 24 Jun 2024 23:30:24 +0900
Subject: [PATCH] video: convertframe: Add support for d3d12 conversion

Use d3d12convert in case of d3d12 memory

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7095>
---
 .../gst-libs/gst/video/convertframe.c         | 26 ++++++++++++++-----
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/subprojects/gst-plugins-base/gst-libs/gst/video/convertframe.c b/subprojects/gst-plugins-base/gst-libs/gst/video/convertframe.c
index fd14c6b4f4..2ece4a632d 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/video/convertframe.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/video/convertframe.c
@@ -138,7 +138,7 @@ fail:
 static GstElement *
 build_convert_frame_pipeline_d3d11 (GstElement ** src_element,
     GstElement ** sink_element, GstCaps * from_caps, GstCaps * to_caps,
-    GError ** err)
+    gboolean is_d3d12, GError ** err)
 {
   GstElement *pipeline = NULL;
   GstElement *appsrc = NULL;
@@ -148,10 +148,17 @@ build_convert_frame_pipeline_d3d11 (GstElement ** src_element,
   GstElement *enc = NULL;
   GstElement *appsink = NULL;
   GError *error = NULL;
+  const gchar *d3d_conv_name = "d3d11convert";
+  const gchar *d3d_download_name = "d3d11download";
+
+  if (is_d3d12) {
+    d3d_conv_name = "d3d12convert";
+    d3d_download_name = "d3d12download";
+  }
 
   if (!create_element ("appsrc", &appsrc, &error) ||
-      !create_element ("d3d11convert", &d3d11_convert, &error) ||
-      !create_element ("d3d11download", &d3d11_download, &error) ||
+      !create_element (d3d_conv_name, &d3d11_convert, &error) ||
+      !create_element (d3d_download_name, &d3d11_download, &error) ||
       !create_element ("videoconvert", &convert, &error) ||
       !create_element ("appsink", &appsink, &error)) {
     GST_ERROR ("Could not create element");
@@ -224,9 +231,16 @@ build_convert_frame_pipeline (GstElement ** src_element,
   GstCapsFeatures *features;
 
   features = gst_caps_get_features (from_caps, 0);
-  if (features && gst_caps_features_contains (features, "memory:D3D11Memory")) {
-    return build_convert_frame_pipeline_d3d11 (src_element, sink_element,
-        from_caps, to_caps, err);
+  if (features && !gst_caps_features_is_any (features)) {
+    gboolean is_d3d11 =
+        gst_caps_features_contains (features, "memory:D3D11Memory");
+    gboolean is_d3d12 =
+        gst_caps_features_contains (features, "memory:D3D12Memory");
+
+    if (is_d3d11 || is_d3d12) {
+      return build_convert_frame_pipeline_d3d11 (src_element, sink_element,
+          from_caps, to_caps, is_d3d12, err);
+    }
   }
 #ifdef HAVE_GL
   if (features &&