--- a/dom/media/platforms/agnostic/OpusDecoder.cpp
+++ b/dom/media/platforms/agnostic/OpusDecoder.cpp
@@ -158,22 +158,19 @@ OpusDataDecoder::ProcessDecode(MediaRawD
   switch (err) {
     case DecodeError::FATAL_ERROR:
       mCallback->Error(MediaDataDecoderError::FATAL_ERROR);
       return;
     case DecodeError::DECODE_ERROR:
       mCallback->Error(MediaDataDecoderError::DECODE_ERROR);
       break;
     case DecodeError::DECODE_SUCCESS:
+      mCallback->InputExhausted();
       break;
   }
-
-  if (mTaskQueue->IsEmpty()) {
-    mCallback->InputExhausted();
-  }
 }
 
 OpusDataDecoder::DecodeError
 OpusDataDecoder::DoDecode(MediaRawData* aSample)
 {
   int64_t aDiscardPadding = 0;
   if (aSample->mExtraData) {
     aDiscardPadding = BigEndian::readInt64(aSample->mExtraData->Elements());