diff --git a/dom/media/platforms/wmf/DXVA2Manager.cpp b/dom/media/platforms/wmf/DXVA2Manager.cpp
index 19b2a6b97e79..466514e666fd 100644
--- a/dom/media/platforms/wmf/DXVA2Manager.cpp
+++ b/dom/media/platforms/wmf/DXVA2Manager.cpp
@@ -210,19 +210,19 @@ HRESULT ConvertMFTypeToDXVAType(IMFMediaType* pType, DXVA2_VideoDesc* pDesc) {
 
   UINT32 fpsNumerator = 0;
   UINT32 fpsDenominator = 0;
-  hr = MFGetAttributeRatio(pType, MF_MT_FRAME_RATE, &fpsNumerator,
-                           &fpsDenominator);
-  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
-  pDesc->InputSampleFreq.Numerator = fpsNumerator;
-  pDesc->InputSampleFreq.Denominator = fpsDenominator;
+  if (SUCCEEDED(MFGetAttributeRatio(pType, MF_MT_FRAME_RATE, &fpsNumerator,
+                                    &fpsDenominator))) {
+    pDesc->InputSampleFreq.Numerator = fpsNumerator;
+    pDesc->InputSampleFreq.Denominator = fpsDenominator;
 
-  GetDXVA2ExtendedFormatFromMFMediaType(pType, &pDesc->SampleFormat);
-  pDesc->OutputFrameFreq = pDesc->InputSampleFreq;
-  if ((pDesc->SampleFormat.SampleFormat ==
-       DXVA2_SampleFieldInterleavedEvenFirst) ||
-      (pDesc->SampleFormat.SampleFormat ==
-       DXVA2_SampleFieldInterleavedOddFirst)) {
-    pDesc->OutputFrameFreq.Numerator *= 2;
+    GetDXVA2ExtendedFormatFromMFMediaType(pType, &pDesc->SampleFormat);
+    pDesc->OutputFrameFreq = pDesc->InputSampleFreq;
+    if ((pDesc->SampleFormat.SampleFormat ==
+         DXVA2_SampleFieldInterleavedEvenFirst) ||
+        (pDesc->SampleFormat.SampleFormat ==
+         DXVA2_SampleFieldInterleavedOddFirst)) {
+      pDesc->OutputFrameFreq.Numerator *= 2;
+    }
   }
 
   return S_OK;
@@ -275,9 +275,7 @@ bool D3D9DXVA2Manager::SupportsConfig(IMFMediaType* aInputType,
   }
 
   DXVA2_VideoDesc desc;
-  // TODO Bug 1764823: ConvertMFTypeToDXVAType should accept the input type
-  // instead.
-  hr = ConvertMFTypeToDXVAType(aOutputType, &desc);
+  hr = ConvertMFTypeToDXVAType(aInputType, &desc);
   NS_ENSURE_TRUE(SUCCEEDED(hr), false);
   return CanCreateDecoder(desc, aFramerate);
 }
diff --git a/dom/media/platforms/wmf/WMFVideoMFTManager.cpp b/dom/media/platforms/wmf/WMFVideoMFTManager.cpp
index 2c050818a4b3..4739f88a12d2 100644
--- a/dom/media/platforms/wmf/WMFVideoMFTManager.cpp
+++ b/dom/media/platforms/wmf/WMFVideoMFTManager.cpp
@@ -526,6 +526,12 @@ WMFVideoMFTManager::SetDecoderMediaTypes() {
                           mVideoInfo.ImageRect().height);
   NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
 
+  UINT32 fpsDenominator = 1000;
+  UINT32 fpsNumerator = static_cast<uint32_t>(mFramerate * fpsDenominator);
+  hr = MFSetAttributeRatio(inputType, MF_MT_FRAME_RATE, fpsNumerator,
+                           fpsDenominator);
+  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
+
   RefPtr<IMFMediaType> outputType;
   hr = wmf::MFCreateMediaType(getter_AddRefs(outputType));
   NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
@@ -538,6 +544,10 @@ WMFVideoMFTManager::SetDecoderMediaTypes() {
                           mVideoInfo.ImageRect().height);
   NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
 
+  hr = MFSetAttributeRatio(outputType, MF_MT_FRAME_RATE, fpsNumerator,
+                           fpsDenominator);
+  NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
+
   GUID outputSubType = mUseHwAccel ? MFVideoFormat_NV12 : MFVideoFormat_YV12;
   hr = outputType->SetGUID(MF_MT_SUBTYPE, outputSubType);
   NS_ENSURE_TRUE(SUCCEEDED(hr), hr);
@@ -990,14 +1000,46 @@ bool WMFVideoMFTManager::IsHardwareAccelerated(
 nsCString WMFVideoMFTManager::GetDescriptionName() const {
   nsCString failureReason;
   bool hw = IsHardwareAccelerated(failureReason);
-  return nsPrintfCString("wmf %s codec %s video decoder - %s",
+
+  const char* formatName = [&]() {
+    GUID format = mDecoder->GetOutputMediaSubType();
+    if (format == MFVideoFormat_NV12) {
+      if (!gfx::DeviceManagerDx::Get()->CanUseNV12()) {
+        return "nv12->argb32";
+      }
+      return "nv12";
+    }
+    if (format == MFVideoFormat_P010) {
+      if (!gfx::DeviceManagerDx::Get()->CanUseP010()) {
+        return "p010->argb32";
+      }
+      return "p010";
+    }
+    if (format == MFVideoFormat_P016) {
+      if (!gfx::DeviceManagerDx::Get()->CanUseP016()) {
+        return "p016->argb32";
+      }
+      return "p016";
+    }
+    if (format == MFVideoFormat_YV12) {
+      return "yv12";
+    }
+    return "unknown";
+  }();
+
+  const char* dxvaName = [&]() {
+    if (!mDXVA2Manager) {
+      return "no DXVA";
+    }
+    if (mDXVA2Manager->IsD3D11()) {
+      return "D3D11";
+    }
+    return "D3D9";
+  }();
+
+  return nsPrintfCString("wmf %s codec %s video decoder - %s, %s",
                          WMFDecoderModule::StreamTypeToString(mStreamType),
-                         hw ? "hardware" : "software",
-                         hw ? StaticPrefs::media_wmf_use_nv12_format() &&
-                                      gfx::DeviceManagerDx::Get()->CanUseNV12()
-                                  ? "nv12"
-                                  : "rgba32"
-                            : "yuv420");
+                         hw ? "hardware" : "software", dxvaName, formatName);
 }
 
 }  // namespace mozilla