static void Main(string[] args)
{
Console.WriteLine("Hello World!");
Mp3Stream mp3Stream = new Mp3Stream(AppDomain.CurrentDomain.BaseDirectory + @"/Sample/sample2.mp3");
WaveFile waveFile = new WaveFile();
int openfileResult = waveFile.OpenFile(AppDomain.CurrentDomain.BaseDirectory + @"/Sample/sample2.wav", WaveFormat.WF_PCM_S16LE, false, 8000, 1);
if (openfileResult == 0)
{
short[,] data = null;
byte[] buffer = new byte[512];
int ret;
ret = mp3Stream.Read(buffer, 0, buffer.Length);
Console.WriteLine("File Format: {0}", mp3Stream.Format);
Console.WriteLine("Frequency: {0}", mp3Stream.Frequency);
Console.WriteLine("Channel Count: {0}", mp3Stream.ChannelCount);
if (mp3Stream.ChannelCount <= 0 || mp3Stream.Frequency <= 0)
{
Console.WriteLine("Cannnot decode file.");
}
else
{
waveFile.CreateData(ref data, 128);
Console.WriteLine("Data Length [{0},{1}]", data.GetLength(0), data.GetLength(1));
while (ret != 0)
{
int i;
for (i = 0; i < data.GetLength(1); i++)
{
if (i * 4 >= ret)
{
break;
}
double p1 = (double)BitConverter.ToInt16(buffer, i * 2) / 32767.0;
data[0, i] = (short)(
((double)BitConverter.ToInt16(buffer, i * 4) / 32767.0
+ (double)BitConverter.ToInt16(buffer, i * 4 + 2) / 32767.0
) * 32767.0 / 2.0);
}
waveFile.PutData(data, i);
ret = mp3Stream.Read(buffer, 0, buffer.Length);
}
}
waveFile.FlushFile();
waveFile.CloseFile();
}
else
{
Console.WriteLine("Can not create waveFile:{0}", openfileResult);
}
Console.WriteLine("Finished");
Console.ReadLine();
return;
}
