From ca2ee60cd2a28ad30df4d55daee837fe41c5049d Mon Sep 17 00:00:00 2001
From: roytam1 <roytam@gmail.com>
Date: Fri, 20 Feb 2026 09:16:14 +0800
Subject: [PATCH] import from UXP: Issue #2949 - Part 4: Don't attempt to use
 WMF VP9 decoder for profiles 1 and 3. (26708f41)

---
 dom/media/platforms/wmf/WMFVideoMFTManager.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/dom/media/platforms/wmf/WMFVideoMFTManager.cpp b/dom/media/platforms/wmf/WMFVideoMFTManager.cpp
index 81b662e59..f3f620057 100644
--- a/dom/media/platforms/wmf/WMFVideoMFTManager.cpp
+++ b/dom/media/platforms/wmf/WMFVideoMFTManager.cpp
@@ -578,6 +578,16 @@ WMFVideoMFTManager::Input(MediaRawData* aSample)
     return E_FAIL;
   }
 
+  if (mStreamType == VP9 && aSample->mKeyframe) {
+    // Check the VP9 profile. the VP9 MFT can only handle correctly profile 0
+    // and 2 (yuv420 8/10/12 bits)
+    int profile =
+      VPXDecoder::GetVP9Profile(MakeSpan(aSample->Data(), aSample->Size()));
+    if (profile != 0 && profile != 2) {
+      return E_FAIL;
+    }
+  }
+
   HRESULT hr = mDecoder->CreateInputSample(aSample->Data(),
                                            uint32_t(aSample->Size()),
                                            aSample->mTime,