private void DoNormalize(string baseFilename, Action<string> addLogMessage, Action<long> sourceLengthCallback, Action<long> progressCallback)
{
Debug.Assert(addLogMessage != null);
Debug.Assert(sourceLengthCallback != null);
Debug.Assert(progressCallback != null);
addLogMessage("Running compressor...");
float maxValue = 0f;
var tempFile = Path.ChangeExtension(baseFilename, ".temp");
// Try to remove files, use some memory stream
using (var reader = new WaveFileReader(baseFilename))
{
sourceLengthCallback(reader.Length);
var sampleReader = new Pcm16BitToSampleProvider(reader);
var compressor = new FastAttackCompressor1175(sampleReader);
var aggregator = new MaxSampleAggregator(compressor);
//SimpleCompressorStream
aggregator.MaximumCalculated += (s, a) => maxValue = Math.Max(maxValue, a.MaxSample);
var sampleWriter = new SampleToWaveProvider16(aggregator);
FileCreator.CreateWaveFile(tempFile, sampleWriter, progressCallback);
}
File.Delete(baseFilename);
addLogMessage("Found max: " + maxValue.ToString());
addLogMessage("Normalizing...");
using (var reader = new WaveFileReader(tempFile))
{
sourceLengthCallback(reader.Length);
var sampleReader = new Pcm16BitToSampleProvider(reader);
var normalizer = new NormalizeProvider(sampleReader, .98f, maxValue);
var sampleWriter = new SampleToWaveProvider16(normalizer);
FileCreator.CreateWaveFile(baseFilename, sampleWriter, progressCallback);
}
File.Delete(tempFile);
}
protected void InputWasSet(AudioSignal newInput)
{
FWave16Provider = new SampleToWaveProvider16(newInput);
}
