diff --git a/dom/media/webcodecs/VideoFrame.cpp b/dom/media/webcodecs/VideoFrame.cpp
index d1189c7b39d8..5b18ece19161 100644
--- a/dom/media/webcodecs/VideoFrame.cpp
+++ b/dom/media/webcodecs/VideoFrame.cpp
@@ -608,6 +608,19 @@ static Result<CombinedBufferLayout, MediaResult> ParseVideoFrameCopyToOptions(
 
   const Sequence<PlaneLayout>* optLayout = OptionalToPointer(aOptions.mLayout);
 
+  VideoFrame::Format format(aFormat);
+  if (aOptions.mFormat.WasPassed()) {
+    if (aOptions.mFormat.Value() != VideoPixelFormat::RGBA &&
+        aOptions.mFormat.Value() != VideoPixelFormat::RGBX &&
+        aOptions.mFormat.Value() != VideoPixelFormat::BGRA &&
+        aOptions.mFormat.Value() != VideoPixelFormat::BGRX) {
+      nsAutoCString error(dom::GetEnumString(aOptions.mFormat.Value()).get());
+      error.Append(" is unsupported in ParseVideoFrameCopyToOptions");
+      return Err(MediaResult(NS_ERROR_DOM_NOT_SUPPORTED_ERR, error));
+    }
+    format = VideoFrame::Format(aOptions.mFormat.Value());
+  }
+
   return ComputeLayoutAndAllocationSize(parsedRect, aFormat, optLayout);
 }
 
@@ -1744,7 +1757,12 @@ uint32_t VideoFrame::AllocationSize(const VideoFrameCopyToOptions& aOptions,
   auto r = ParseVideoFrameCopyToOptions(aOptions, mVisibleRect, mCodedSize,
                                         mResource->mFormat.ref());
   if (r.isErr()) {
-    aRv.ThrowTypeError(r.unwrapErr().Message());
+    MediaResult error = r.unwrapErr();
+    if (error.Code() == NS_ERROR_DOM_NOT_SUPPORTED_ERR) {
+      aRv.ThrowNotSupportedError(error.Message());
+    } else {
+      aRv.ThrowTypeError(error.Message());
+    }
     return 0;
   }
   CombinedBufferLayout layout = r.unwrap();
@@ -1776,7 +1794,12 @@ already_AddRefed<Promise> VideoFrame::CopyTo(
   auto r = ParseVideoFrameCopyToOptions(aOptions, mVisibleRect, mCodedSize,
                                         mResource->mFormat.ref());
   if (r.isErr()) {
-    p->MaybeRejectWithTypeError(r.unwrapErr().Message());
+    MediaResult error = r.unwrapErr();
+    if (error.Code() == NS_ERROR_DOM_NOT_SUPPORTED_ERR) {
+      p->MaybeRejectWithNotSupportedError(error.Message());
+    } else {
+      p->MaybeRejectWithTypeError(error.Message());
+    }
     return p.forget();
   }
   CombinedBufferLayout layout = r.unwrap();
diff --git a/testing/web-platform/meta/webcodecs/videoFrame-copyTo-rgb.any.js.ini b/testing/web-platform/meta/webcodecs/videoFrame-copyTo-rgb.any.js.ini
index 3390f6a282f5..c5a5376fe7d2 100644
--- a/testing/web-platform/meta/webcodecs/videoFrame-copyTo-rgb.any.js.ini
+++ b/testing/web-platform/meta/webcodecs/videoFrame-copyTo-rgb.any.js.ini
@@ -119,33 +119,6 @@
   [Convert 4-color canvas frame to RGBX / display-p3]
     expected: FAIL
 
-  [Unsupported format I420]
-    expected: FAIL
-
-  [Unsupported format I420P10]
-    expected: FAIL
-
-  [Unsupported format I420P12]
-    expected: FAIL
-
-  [Unsupported format I420A]
-    expected: FAIL
-
-  [Unsupported format I422]
-    expected: FAIL
-
-  [Unsupported format I422A]
-    expected: FAIL
-
-  [Unsupported format I444]
-    expected: FAIL
-
-  [Unsupported format I444A]
-    expected: FAIL
-
-  [Unsupported format NV12]
-    expected: FAIL
-
 
 [videoFrame-copyTo-rgb.any.worker.html]
   [Convert 4x4 null I420 frames to RGBA / srgb]
@@ -267,30 +240,3 @@
 
   [Convert 4-color canvas frame to RGBX / display-p3]
     expected: FAIL
-
-  [Unsupported format I420]
-    expected: FAIL
-
-  [Unsupported format I420P10]
-    expected: FAIL
-
-  [Unsupported format I420P12]
-    expected: FAIL
-
-  [Unsupported format I420A]
-    expected: FAIL
-
-  [Unsupported format I422]
-    expected: FAIL
-
-  [Unsupported format I422A]
-    expected: FAIL
-
-  [Unsupported format I444]
-    expected: FAIL
-
-  [Unsupported format I444A]
-    expected: FAIL
-
-  [Unsupported format NV12]
-    expected: FAIL