--- a/dom/media/platforms/PlatformDecoderModule.h
+++ b/dom/media/platforms/PlatformDecoderModule.h
@@ -61,17 +61,17 @@ struct MOZ_STACK_CLASS CreateDecoderPara
   using OptionSet = EnumSet<Option>;
 
   struct UseNullDecoder {
     UseNullDecoder() = default;
     explicit UseNullDecoder(bool aUseNullDecoder) : mUse(aUseNullDecoder) {}
     bool mUse = false;
   };
 
-  // Do not wrap H264 decoder in a H264Converter.
+  // Do not wrap decoder in a MediaChangeMonitor.
   struct NoWrapper {
     NoWrapper() = default;
     explicit NoWrapper(bool aDontUseWrapper)
         : mDontUseWrapper(aDontUseWrapper) {}
     bool mDontUseWrapper = false;
   };
 
   struct VideoFrameRate {

--- a/dom/media/platforms/wrappers/MediaChangeMonitor.cpp
+++ b/dom/media/platforms/wrappers/MediaChangeMonitor.cpp
@@ -466,20 +466,29 @@ MediaResult MediaChangeMonitor::CreateDe
 
   MediaResult error = NS_OK;
   mDecoder = mPDM->CreateVideoDecoder(
       {mCurrentConfig, mTaskQueue, aDiagnostics, mImageContainer,
        mKnowsCompositor, mGMPCrashHelper, mType, mOnWaitingForKeyEvent,
        mDecoderOptions, mRate, &error});
 
   if (!mDecoder) {
-    if (NS_FAILED(error)) {
-      // The decoder supports CreateDecoderParam::mError, returns the value.
-      return error;
-    } else {
+    // We failed to create a decoder with the existing PDM; attempt once again
+    // with a PDMFactory.
+    RefPtr<PDMFactory> factory = new PDMFactory();
+    mDecoder = factory->CreateDecoder(
+        {mCurrentConfig, mTaskQueue, aDiagnostics, mImageContainer,
+         mKnowsCompositor, mGMPCrashHelper, mType, mOnWaitingForKeyEvent,
+         mDecoderOptions, mRate, &error, CreateDecoderParams::NoWrapper(true)});
+
+    if (!mDecoder) {
+      if (NS_FAILED(error)) {
+        // The decoder supports CreateDecoderParam::mError, returns the value.
+        return error;
+      }
       return MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR,
                          RESULT_DETAIL("Unable to create decoder"));
     }
   }
 
   DDLINKCHILD("decoder", mDecoder.get());
 
   mDecoderInitialized = false;