static unsafe void FixedSizeBuffers_Test()
{
var a1 = new SB()
{
arr = new int[5]
};
var a2 = new FSB();
Print.Address((long)&a2);
Print.Address((long)a2.arr);
Print.Address((long)&a2.arr);//数组指针变量的地址
Print.Address((long)&a2.x);
//Console.WriteLine(sizeof(SB));//SB作为托管类型不能计算大小
Console.WriteLine(sizeof(FSB));
}
public void CreateFromFSB(FormatData data, Stream[] fsbstreams, AudioFormat format)
{
List <Stream> streams = new List <Stream>();
foreach (Stream stream in fsbstreams)
{
FSB fsb = new FSB(stream);
foreach (FSB.Sample sample in fsb.Samples)
{
if (sample.Channels <= 2)
{
streams.Add(sample.Data);
continue;
}
byte[] buffer = new byte[0x04];
sample.Data.Position = 0;
Stream[] samples = new Stream[sample.Channels];
for (int i = 0; i < sample.Channels; i++)
{
samples[i] = new TemporaryStream();
streams.Add(samples[i]);
}
int channel = -1;
while (!sample.Data.EOF())
{
sample.Data.Read(buffer, 0, 4);
try {
Mp3.Header header = new Mp3.Header(buffer);
channel = (channel + 1) % sample.Channels;
} catch (FormatException) { }
samples[channel].Write(buffer);
}
}
}
Create(data, streams.ToArray(), format);
}
