d3d11decoder: Adjust alignment constraint for Xbox device

XBox doesn't seem to support 128 bytes alignment for 4K HEVC

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1339>

diff --git a/sys/d3d11/gstd3d11decoder.c b/sys/d3d11/gstd3d11decoder.c
index e22c74f..3903557 100644 (file)
--- a/sys/d3d11/gstd3d11decoder.c
+++ b/sys/d3d11/gstd3d11decoder.c
@@ -680,7 +680,11 @@ gst_d3d11_decoder_open (GstD3D11Decoder * decoder, GstD3D11Codec codec,
    * But... where it is? */
   switch (codec) {
     case GST_D3D11_CODEC_H265:
-      alignment = 128;
+      /* See directx_va_Setup() impl. in vlc */
+      if (!gst_d3d11_is_xbox_device (priv->device))
+        alignment = 128;
+      else
+        alignment = 16;
       break;
     default:
       alignment = 16;