public void CanRepositionToNonBlockAlignedPositions()
{
BlockAlignedWaveStream inputStream = new BlockAlignedWaveStream(726, 80000);
BlockAlignReductionStream blockStream = new BlockAlignReductionStream(inputStream);
byte[] inputBuffer = new byte[1024];
int read = blockStream.Read(inputBuffer, 0, 1024);
Assert.AreEqual(1024, read, "bytes read 1");
Assert.AreEqual(blockStream.Position, 1024);
CheckReadBuffer(inputBuffer, 1024, 0);
read = blockStream.Read(inputBuffer, 0, 1024);
Assert.AreEqual(1024, read, "bytes read 2");
Assert.AreEqual(2048, blockStream.Position, "position 2");
CheckReadBuffer(inputBuffer, 1024, 1024);
// can reposition correctly
blockStream.Position = 1000;
read = blockStream.Read(inputBuffer, 0, 1024);
Assert.AreEqual(1024, read, "bytes read 3");
Assert.AreEqual(2024, blockStream.Position, "position 3");
CheckReadBuffer(inputBuffer, 1024, 1000);
}
public static Song LoadMP3(string path)
{
Song song = new Song();
int readLength = 100000;
using (Mp3FileReader reader = new Mp3FileReader(path)) {
byte[] buffer = new byte[0];
using (WaveStream pcm = WaveFormatConversionStream.CreatePcmStream(reader)) {
using (WaveStream aligned = new BlockAlignReductionStream(pcm)) {
buffer = new byte[aligned.Length];
for (int i = 0; i < aligned.Length; i += readLength)
{
aligned.Read(buffer, i, readLength);
}
song.sampleRate = aligned.WaveFormat.SampleRate;
song.channels = aligned.WaveFormat.Channels;
}
}
song.samples = new double[buffer.Length / 2];
for (int i = 0; i < song.samples.Length; i++)
{
song.samples[i] = BitConverter.ToInt16(buffer, i * 2) / 32768.0f;
}
}
return(song);
}
private void PlayNotificationSound()
{
if (DateTime.UtcNow >= nextAudioAlertPlay)
{
DisableAudioAlertForDuration();
try
{
System.Windows.Resources.StreamResourceInfo sri = Application.GetResourceStream(new Uri("WPFApp/Resources/audio/FeenPhoneDJAlert.wav", UriKind.Relative));
using (WaveStream ws =
new BlockAlignReductionStream(
WaveFormatConversionStream.CreatePcmStream(
new WaveFileReader(sri.Stream))))
{
var length = ws.Length;
if (length < int.MaxValue)
{
byte[] data = new byte[length];
var format = ws.WaveFormat;
int read = ws.Read(data, 0, (int)length);
EventSource.InvokePlaySoundEffect(this, format, data);
}
}
}
catch { }
}
}
public void CanReadNonBlockAlignedLengths()
{
BlockAlignedWaveStream inputStream = new BlockAlignedWaveStream(726, 80000);
BlockAlignReductionStream blockStream = new BlockAlignReductionStream(inputStream);
byte[] inputBuffer = new byte[1024];
int read = blockStream.Read(inputBuffer, 0, 1024);
Assert.AreEqual(1024, read, "bytes read 1");
Assert.AreEqual(blockStream.Position, 1024);
CheckReadBuffer(inputBuffer, 1024, 0);
read = blockStream.Read(inputBuffer, 0, 1024);
Assert.AreEqual(1024, read, "bytes read 2");
Assert.AreEqual(2048, blockStream.Position, "position 2");
CheckReadBuffer(inputBuffer, 1024, 1024);
}
