diff --git a/dom/media/MediaFormatReader.cpp b/dom/media/MediaFormatReader.cpp
index a658298e2d..53437182dc 100644
--- a/dom/media/MediaFormatReader.cpp
+++ b/dom/media/MediaFormatReader.cpp
@@ -1509,6 +1509,15 @@ MediaFormatReader::Update(TrackType aTrack)
         nsCString error;
         mVideo.mIsHardwareAccelerated =
           mVideo.mDecoder && mVideo.mDecoder->IsHardwareAccelerated(error);
+#ifdef XP_WIN
+        // D3D11_YCBCR_IMAGE images are GPU based, we try to limit the amount
+        // of GPU RAM used.
+        VideoData* videoData = static_cast<VideoData*>(output.get());
+        mVideo.mIsHardwareAccelerated =
+          mVideo.mIsHardwareAccelerated ||
+          (videoData->mImage &&
+           videoData->mImage->GetFormat() == ImageFormat::D3D11_YCBCR_IMAGE);
+#endif
       }
     } else if (decoder.HasFatalError()) {
       LOG("Rejecting %s promise: DECODE_ERROR", TrackTypeToStr(aTrack));