bool EffectNoise::Process() { if (noiseDuration <= 0.0) noiseDuration = sDefaultGenerateLen; //Iterate over each track int ntrack = 0; this->CopyInputWaveTracks(); // Set up mOutputWaveTracks. bool bGoodResult = true; #ifdef EXPERIMENTAL_FULL_LINKING HandleLinkedTracksOnGenerate(noiseDuration, mT0); #endif TrackListIterator iter(mOutputWaveTracks); WaveTrack *track = (WaveTrack *)iter.First(); while (track) { WaveTrack *tmp = mFactory->NewWaveTrack(track->GetSampleFormat(), track->GetRate()); numSamples = track->TimeToLongSamples(noiseDuration); sampleCount i = 0; float *data = new float[tmp->GetMaxBlockSize()]; sampleCount block; while ((i < numSamples) && bGoodResult) { block = tmp->GetBestBlockSize(i); if (block > (numSamples - i)) block = numSamples - i; MakeNoise(data, block, track->GetRate(), noiseAmplitude); tmp->Append((samplePtr)data, floatSample, block); i += block; //Update the Progress meter if (TrackProgress(ntrack, (double)i / numSamples)) bGoodResult = false; } delete[] data; tmp->Flush(); track->HandleClear(mT0, mT1, false, false); track->HandlePaste(mT0, tmp); delete tmp; if (!bGoodResult) break; //Iterate to the next track ntrack++; track = (WaveTrack *)iter.Next(); } if (bGoodResult) { /* save last used values save duration unless value was got from selection, so we save only when user explicitely setup a value */ if (mT1 == mT0) gPrefs->Write(wxT("/CsPresets/NoiseGen_Duration"), noiseDuration); gPrefs->Write(wxT("/CsPresets/NoiseGen_Type"), noiseType); gPrefs->Write(wxT("/CsPresets/NoiseGen_Amp"), noiseAmplitude); mT1 = mT0 + noiseDuration; // Update selection. } this->ReplaceProcessedWaveTracks(bGoodResult); return bGoodResult; }