Method DoCommit

Source/Looper.cpp:391–434

}

void Looper::DoCommit(double time)
{
   PROFILER(LooperDoCommit);

   assert(mCommitBuffer);

   {
      PROFILER(Looper_DoCommit_undo);
      mUndoBuffer->CopyFrom(mBuffer, mLoopLength);
   }

   if (mReplaceOnCommit)
      Clear();

   if (mMute)
   {
      Clear();
      mMute = false;
      mMuteRamp.Start(time, mMute ? 0 : 1, time + 1);
   }

   {
      PROFILER(LooperDoCommit_commit);
      int commitSamplesBack = mCommitMsOffset / gInvSampleRateMs;
      int commitLength = mLoopLength + LOOPER_COMMIT_FADE_SAMPLES;
      for (int i = 0; i < commitLength; ++i)
      {
         int idx = i - LOOPER_COMMIT_FADE_SAMPLES;
         int pos = int(mLoopPos + (idx * GetPlaybackSpeed()) + mLoopLength) % mLoopLength;
         float fade = 1;
         if (idx < 0)
            fade = float(LOOPER_COMMIT_FADE_SAMPLES + idx) / LOOPER_COMMIT_FADE_SAMPLES;
         if (idx >= mLoopLength - LOOPER_COMMIT_FADE_SAMPLES)
            fade = 1 - (float(idx - (mLoopLength - LOOPER_COMMIT_FADE_SAMPLES)) / LOOPER_COMMIT_FADE_SAMPLES);

         for (int ch = 0; ch < mBuffer->NumActiveChannels(); ++ch)
         {
            mBuffer->GetChannel(ch)[pos] += mCommitBuffer->GetSample(ofClamp(commitLength - i - commitSamplesBack, 0, MAX_BUFFER_SIZE - 1), ch) * fade;
         }
      }
   }

   mClearCommitBuffer = true;
}

void Looper::Fill(ChannelBuffer* buffer, int length)
{