private WaveStream CreateInputStream(string fileName)
{
WaveChannel32 inputStream;
if (fileName.EndsWith(".wav"))
{
WaveStream readerStream = new WaveFileReader(fileName);
if (readerStream.WaveFormat.Encoding != WaveFormatEncoding.Pcm)
{
readerStream = WaveFormatConversionStream.CreatePcmStream(readerStream);
readerStream = new BlockAlignReductionStream(readerStream);
}
if (readerStream.WaveFormat.BitsPerSample != 16)
{
var format = new WaveFormat(readerStream.WaveFormat.SampleRate,
16, readerStream.WaveFormat.Channels);
readerStream = new WaveFormatConversionStream(format, readerStream);
}
inputStream = new WaveChannel32(readerStream);
}
else if (fileName.EndsWith(".mp3"))
{
WaveStream mp3Reader = new Mp3FileReader(fileName);
//WaveStream pcmStream = WaveFormatConversionStream.CreatePcmStream(mp3Reader);
//WaveStream blockAlignedStream = new BlockAlignReductionStream(mp3Reader);
inputStream = new WaveChannel32(mp3Reader);
}
else
{
throw new InvalidOperationException("Unsupported extension");
}
// we are not going into a mixer so we don't need to zero pad
//((WaveChannel32)inputStream).PadWithZeroes = false;
volumeStream = inputStream;
var meteringStream = new MeteringStream(inputStream, inputStream.WaveFormat.SampleRate / 10);
meteringStream.StreamVolume += new EventHandler <StreamVolumeEventArgs>(meteringStream_StreamVolume);
return(meteringStream);
}
private WaveStream CreateInputStream(string fileName)
{
WaveChannel32 inputStream;
if (fileName.EndsWith(".wav"))
{
WaveStream readerStream = new WaveFileReader(fileName);
if (readerStream.WaveFormat.Encoding != WaveFormatEncoding.Pcm)
{
readerStream = WaveFormatConversionStream.CreatePcmStream(readerStream);
readerStream = new BlockAlignReductionStream(readerStream);
}
if (readerStream.WaveFormat.BitsPerSample != 16)
{
var format = new WaveFormat(readerStream.WaveFormat.SampleRate,
16, readerStream.WaveFormat.Channels);
readerStream = new WaveFormatConversionStream(format, readerStream);
}
inputStream = new WaveChannel32(readerStream);
}
else if (fileName.EndsWith(".mp3"))
{
WaveStream mp3Reader = new Mp3FileReader(fileName);
//WaveStream pcmStream = WaveFormatConversionStream.CreatePcmStream(mp3Reader);
//WaveStream blockAlignedStream = new BlockAlignReductionStream(mp3Reader);
inputStream = new WaveChannel32(mp3Reader);
}
else
{
throw new InvalidOperationException("Unsupported extension");
}
// we are not going into a mixer so we don't need to zero pad
//((WaveChannel32)inputStream).PadWithZeroes = false;
volumeStream = inputStream;
var meteringStream = new MeteringStream(inputStream, inputStream.WaveFormat.SampleRate / 10);
meteringStream.StreamVolume += new EventHandler<StreamVolumeEventArgs>(meteringStream_StreamVolume);
return meteringStream;
}
