Commit dade295b authored by Karl Tomlinson's avatar Karl Tomlinson
Browse files

b=923301 skip delay processing when nothing is buffered and input is null r=roc 

--HG--
extra : transplant_source : %60%1B%88Z%BD%9AoAI%92%FA%B1%E4%A1%EFg%2A%FE%05%8F
parent c0875227

content/media/webaudio/DelayNode.cpp

+4 −8
Original line number Diff line number Diff line
@@ -84,7 +84,6 @@ public: 
                                 mProcessor.BufferChannelCount() :

                                 aInput.mChannelData.Length();



    bool playedBackAllLeftOvers = false;

    if (!aInput.IsNull()) {

      if (mLeftOverData <= 0) {

        nsRefPtr<PlayingRefChanged> refchanged =
@@ -97,12 +96,15 @@ public: 
    } else {

      if (mLeftOverData != INT32_MIN) {

        mLeftOverData = INT32_MIN;

        playedBackAllLeftOvers = true;

        // Delete our buffered data now we no longer need it

        mProcessor.Reset();



        nsRefPtr<PlayingRefChanged> refchanged =

          new PlayingRefChanged(aStream, PlayingRefChanged::RELEASE);

        NS_DispatchToMainThread(refchanged);

      }

      *aOutput = aInput;

      return;

    }



    AllocateAudioBlock(numChannels, aOutput);
@@ -149,12 +151,6 @@ public: 
      mProcessor.Process(computedDelay, inputChannels, outputChannels,

                         numChannels, WEBAUDIO_BLOCK_SIZE);

    }





    if (playedBackAllLeftOvers) {

      // Delete our buffered data once we no longer need it

      mProcessor.Reset();

    }

  }



  AudioNodeStream* mSource;