From 1144cdc63a8a4811e28c953d02869d2afc6355c8 Mon Sep 17 00:00:00 2001
From: Seungha Yang <seungha@centricular.com>
Date: Fri, 12 Jun 2020 20:34:49 +0900
Subject: [PATCH] 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>
---
 sys/d3d11/gstd3d11decoder.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sys/d3d11/gstd3d11decoder.c b/sys/d3d11/gstd3d11decoder.c
index e22c74ff0d..39035577ba 100644
--- 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;