1 files changed, 3 insertions, 0 deletions
diff --git a/dom/media/platforms/apple/AppleEncoderModule.cpp b/dom/media/platforms/apple/AppleEncoderModule.cpp
index e18d9a05c4..6fa4a53ab5 100644
--- a/dom/media/platforms/apple/AppleEncoderModule.cpp
+++ b/dom/media/platforms/apple/AppleEncoderModule.cpp
@@ -27,6 +27,9 @@ bool AppleEncoderModule::Supports(const EncoderConfig& aConfig) const {
   if (!CanLikelyEncode(aConfig)) {
     return false;
   }
+  if (aConfig.mScalabilityMode != ScalabilityMode::None) {
+    return false;
+  }
   return aConfig.mCodec == CodecType::H264;
 }