mfvideosrc: Fix negotiation when interlace-mode is specified

Given caps does not need to be strictly subset of device caps.
Allow accept it if device caps and requested caps can intersect

Fixes: https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/issues/1619
Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2391>

2 files changed, 2 insertions, 2 deletions

diff --git a/sys/mediafoundation/gstmfcapturewinrt.cpp b/sys/mediafoundation/gstmfcapturewinrt.cpp
index c2f4699ab..22d8ed582 100644
--- a/sys/mediafoundation/gstmfcapturewinrt.cpp
+++ b/sys/mediafoundation/gstmfcapturewinrt.cpp
@@ -609,7 +609,7 @@ gst_mf_capture_winrt_set_caps (GstMFSourceObject * object, GstCaps * caps)
   }
 
   for (const auto& iter: desc_list) {
-    if (gst_caps_is_subset (iter.caps_, caps)) {
+    if (gst_caps_can_intersect (iter.caps_, caps)) {
       target_caps = gst_caps_ref (iter.caps_);
       self->capture->SetMediaDescription(iter);
       break;
diff --git a/sys/mediafoundation/gstmfsourcereader.cpp b/sys/mediafoundation/gstmfsourcereader.cpp
index 396151e81..995916e88 100644
--- a/sys/mediafoundation/gstmfsourcereader.cpp
+++ b/sys/mediafoundation/gstmfsourcereader.cpp
@@ -603,7 +603,7 @@ gst_mf_source_reader_set_caps (GstMFSourceObject * object, GstCaps * caps)
 
   for (iter = self->media_types; iter; iter = g_list_next (iter)) {
     GstMFStreamMediaType *minfo = (GstMFStreamMediaType *) iter->data;
-    if (gst_caps_is_subset (minfo->caps, caps)) {
+    if (gst_caps_can_intersect (minfo->caps, caps)) {
       best_type = minfo;
       break;
     }